diff --git a/docs/source/tutorials/flywire_annotations.ipynb b/docs/source/tutorials/flywire_annotations.ipynb
index 73accb3..e710534 100644
--- a/docs/source/tutorials/flywire_annotations.ipynb
+++ b/docs/source/tutorials/flywire_annotations.ipynb
@@ -2,7 +2,11 @@
  "cells": [
   {
    "cell_type": "raw",
-   "metadata": {},
+   "metadata": {
+    "vscode": {
+     "languageId": "raw"
+    }
+   },
    "source": [
     ".. _flywire_annotations:\n",
     "\n",
@@ -26,20 +30,19 @@
     "the \"Community labels\" column while (2) and (3) are used to fill the \"Classification\"\n",
     "and \"Type\" columns.\n",
     "\n",
-    "Currently ``fafbseg`` allows you to query (1) and (2) programmatically.\n",
-    "(3) is not yet supported."
+    "Currently ``fafbseg`` allows you to query (1) and (2) programmatically. (3) is not yet supported."
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 1,
+   "execution_count": 2,
    "metadata": {},
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Default dataset set to \"public\"\n"
+      "Default dataset set to \"public\".\n"
      ]
     }
    ],
@@ -59,15 +62,15 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": 3,
    "metadata": {},
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Using materialization version 630\n",
-      "Caching community annotations for materialization version \"630\"... Done.\n"
+      "Using materialization version 783.\n",
+      "Caching community annotations for materialization version \"783\"... Done.\n"
      ]
     },
     {
@@ -92,75 +95,92 @@
        "    <tr style=\"text-align: right;\">\n",
        "      <th></th>\n",
        "      <th>id</th>\n",
+       "      <th>created</th>\n",
+       "      <th>superceded_id</th>\n",
        "      <th>pt_position_x</th>\n",
        "      <th>pt_position_y</th>\n",
        "      <th>pt_position_z</th>\n",
-       "      <th>pt_supervoxel_id</th>\n",
-       "      <th>pt_root_id</th>\n",
        "      <th>tag</th>\n",
        "      <th>user</th>\n",
        "      <th>user_id</th>\n",
+       "      <th>pt_supervoxel_id</th>\n",
+       "      <th>pt_root_id</th>\n",
+       "      <th>user_name</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th>21364</th>\n",
+       "      <th>0</th>\n",
        "      <td>22248</td>\n",
+       "      <td>2022-02-07 05:30:08.054976+00:00</td>\n",
+       "      <td>NaN</td>\n",
        "      <td>485772</td>\n",
        "      <td>238836</td>\n",
        "      <td>49920</td>\n",
-       "      <td>78957304514692633</td>\n",
-       "      <td>720575940625431866</td>\n",
        "      <td>ALad1; right; acetylcholine</td>\n",
        "      <td>Alexander Bates</td>\n",
        "      <td>355</td>\n",
+       "      <td>78957304514692633</td>\n",
+       "      <td>720575940625431866</td>\n",
+       "      <td>Alexander Bates</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>21365</th>\n",
+       "      <th>1</th>\n",
        "      <td>22249</td>\n",
+       "      <td>2022-02-07 05:30:08.056123+00:00</td>\n",
+       "      <td>NaN</td>\n",
        "      <td>485772</td>\n",
        "      <td>238836</td>\n",
        "      <td>49920</td>\n",
-       "      <td>78957304514692633</td>\n",
-       "      <td>720575940625431866</td>\n",
        "      <td>ALad1; right; acetylcholine</td>\n",
        "      <td>Lab Members</td>\n",
        "      <td>1063</td>\n",
+       "      <td>78957304514692633</td>\n",
+       "      <td>720575940625431866</td>\n",
+       "      <td>Lab Members</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>51385</th>\n",
+       "      <th>2</th>\n",
        "      <td>49507</td>\n",
+       "      <td>2022-04-27 14:36:19.985327+00:00</td>\n",
+       "      <td>NaN</td>\n",
        "      <td>485776</td>\n",
        "      <td>238836</td>\n",
        "      <td>49920</td>\n",
-       "      <td>78957304514685298</td>\n",
-       "      <td>720575940625431866</td>\n",
        "      <td>ALPN,VM5v_adPN</td>\n",
        "      <td>Philipp Schlegel</td>\n",
        "      <td>62</td>\n",
+       "      <td>78957304514685298</td>\n",
+       "      <td>720575940625431866</td>\n",
+       "      <td>Philipp Schlegel</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
        "</div>"
       ],
       "text/plain": [
-       "          id  pt_position_x  pt_position_y  pt_position_z   pt_supervoxel_id  \\\n",
-       "21364  22248         485772         238836          49920  78957304514692633   \n",
-       "21365  22249         485772         238836          49920  78957304514692633   \n",
-       "51385  49507         485776         238836          49920  78957304514685298   \n",
+       "      id                          created  superceded_id  pt_position_x  \\\n",
+       "0  22248 2022-02-07 05:30:08.054976+00:00            NaN         485772   \n",
+       "1  22249 2022-02-07 05:30:08.056123+00:00            NaN         485772   \n",
+       "2  49507 2022-04-27 14:36:19.985327+00:00            NaN         485776   \n",
        "\n",
-       "               pt_root_id                          tag              user  \\\n",
-       "21364  720575940625431866  ALad1; right; acetylcholine   Alexander Bates   \n",
-       "21365  720575940625431866  ALad1; right; acetylcholine       Lab Members   \n",
-       "51385  720575940625431866               ALPN,VM5v_adPN  Philipp Schlegel   \n",
+       "   pt_position_y  pt_position_z                          tag  \\\n",
+       "0         238836          49920  ALad1; right; acetylcholine   \n",
+       "1         238836          49920  ALad1; right; acetylcholine   \n",
+       "2         238836          49920               ALPN,VM5v_adPN   \n",
        "\n",
-       "       user_id  \n",
-       "21364      355  \n",
-       "21365     1063  \n",
-       "51385       62  "
+       "               user  user_id   pt_supervoxel_id          pt_root_id  \\\n",
+       "0   Alexander Bates      355  78957304514692633  720575940625431866   \n",
+       "1       Lab Members     1063  78957304514692633  720575940625431866   \n",
+       "2  Philipp Schlegel       62  78957304514685298  720575940625431866   \n",
+       "\n",
+       "          user_name  \n",
+       "0   Alexander Bates  \n",
+       "1       Lab Members  \n",
+       "2  Philipp Schlegel  "
       ]
      },
-     "execution_count": 2,
+     "execution_count": 3,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -179,14 +199,15 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 4,
    "metadata": {},
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Using cached materialization version 630\n"
+      "Using annotation version \"latest commit\" (b2bceba) from https://github.com/flyconnectome/flywire_annotations.\n",
+      "Using materialization version 783.\n"
      ]
     },
     {
@@ -221,11 +242,11 @@
        "      <th>nucleus_id</th>\n",
        "      <th>flow</th>\n",
        "      <th>...</th>\n",
-       "      <th>ito_lee_hemilineage</th>\n",
-       "      <th>hartenstein_hemilineage</th>\n",
        "      <th>morphology_group</th>\n",
        "      <th>top_nt</th>\n",
        "      <th>top_nt_conf</th>\n",
+       "      <th>known_nt</th>\n",
+       "      <th>known_nt_source</th>\n",
        "      <th>side</th>\n",
        "      <th>nerve</th>\n",
        "      <th>vfb_id</th>\n",
@@ -247,11 +268,11 @@
        "      <td>4518783.0</td>\n",
        "      <td>intrinsic</td>\n",
        "      <td>...</td>\n",
-       "      <td>ALad1</td>\n",
-       "      <td>BAmv3</td>\n",
        "      <td>ALad1__1</td>\n",
        "      <td>acetylcholine</td>\n",
        "      <td>0.957189</td>\n",
+       "      <td>acetylcholine</td>\n",
+       "      <td>Tanaka et al., 2012</td>\n",
        "      <td>left</td>\n",
        "      <td>NaN</td>\n",
        "      <td>fw036274</td>\n",
@@ -260,26 +281,26 @@
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
-       "<p>1 rows × 25 columns</p>\n",
+       "<p>1 rows × 27 columns</p>\n",
        "</div>"
       ],
       "text/plain": [
        "       supervoxel_id             root_id   pos_x  pos_y  pos_z    soma_x  \\\n",
        "0  78957304514685298  720575940625431866  121444  59709   1248  125088.0   \n",
        "\n",
-       "    soma_y  soma_z  nucleus_id       flow  ... ito_lee_hemilineage  \\\n",
-       "0  52048.0   782.0   4518783.0  intrinsic  ...               ALad1   \n",
+       "    soma_y  soma_z  nucleus_id       flow  ... morphology_group  \\\n",
+       "0  52048.0   782.0   4518783.0  intrinsic  ...         ALad1__1   \n",
        "\n",
-       "  hartenstein_hemilineage morphology_group         top_nt top_nt_conf  side  \\\n",
-       "0                   BAmv3         ALad1__1  acetylcholine    0.957189  left   \n",
+       "          top_nt top_nt_conf       known_nt      known_nt_source  side nerve  \\\n",
+       "0  acetylcholine    0.957189  acetylcholine  Tanaka et al., 2012  left   NaN   \n",
        "\n",
-       "  nerve    vfb_id        fbbt_id  status  \n",
-       "0   NaN  fw036274  FBbt_00100386     NaN  \n",
+       "     vfb_id        fbbt_id  status  \n",
+       "0  fw036274  FBbt_00100386     NaN  \n",
        "\n",
-       "[1 rows x 25 columns]"
+       "[1 rows x 27 columns]"
       ]
      },
-     "execution_count": 3,
+     "execution_count": 4,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -299,41 +320,43 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 5,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/plain": [
-       "supervoxel_id               78957304514685298\n",
-       "root_id                    720575940625431866\n",
-       "pos_x                                  121444\n",
-       "pos_y                                   59709\n",
-       "pos_z                                    1248\n",
-       "soma_x                               125088.0\n",
-       "soma_y                                52048.0\n",
-       "soma_z                                  782.0\n",
-       "nucleus_id                          4518783.0\n",
-       "flow                                intrinsic\n",
-       "super_class                           central\n",
-       "cell_class                               ALPN\n",
-       "cell_sub_class                  uniglomerular\n",
-       "cell_type                                 NaN\n",
-       "hemibrain_type                      VM5v_adPN\n",
-       "ito_lee_hemilineage                     ALad1\n",
-       "hartenstein_hemilineage                 BAmv3\n",
-       "morphology_group                     ALad1__1\n",
-       "top_nt                          acetylcholine\n",
-       "top_nt_conf                          0.957189\n",
-       "side                                     left\n",
-       "nerve                                     NaN\n",
-       "vfb_id                               fw036274\n",
-       "fbbt_id                         FBbt_00100386\n",
-       "status                                    NaN\n",
+       "supervoxel_id                78957304514685298\n",
+       "root_id                     720575940625431866\n",
+       "pos_x                                   121444\n",
+       "pos_y                                    59709\n",
+       "pos_z                                     1248\n",
+       "soma_x                                125088.0\n",
+       "soma_y                                 52048.0\n",
+       "soma_z                                   782.0\n",
+       "nucleus_id                           4518783.0\n",
+       "flow                                 intrinsic\n",
+       "super_class                            central\n",
+       "cell_class                                ALPN\n",
+       "cell_sub_class                   uniglomerular\n",
+       "cell_type                                  NaN\n",
+       "hemibrain_type                       VM5v_adPN\n",
+       "ito_lee_hemilineage                      ALad1\n",
+       "hartenstein_hemilineage                  BAmv3\n",
+       "morphology_group                      ALad1__1\n",
+       "top_nt                           acetylcholine\n",
+       "top_nt_conf                           0.957189\n",
+       "known_nt                         acetylcholine\n",
+       "known_nt_source            Tanaka et al., 2012\n",
+       "side                                      left\n",
+       "nerve                                      NaN\n",
+       "vfb_id                                fw036274\n",
+       "fbbt_id                          FBbt_00100386\n",
+       "status                                     NaN\n",
        "Name: 0, dtype: object"
       ]
      },
-     "execution_count": 4,
+     "execution_count": 5,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -353,14 +376,14 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 6,
    "metadata": {},
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Caching community annotations for materialization version \"630\"... Done.\n"
+      "Caching community annotations for materialization version \"783\"... Done.\n"
      ]
     },
     {
@@ -385,98 +408,123 @@
        "    <tr style=\"text-align: right;\">\n",
        "      <th></th>\n",
        "      <th>id</th>\n",
+       "      <th>created</th>\n",
+       "      <th>superceded_id</th>\n",
        "      <th>pos_x</th>\n",
        "      <th>pos_y</th>\n",
        "      <th>pos_z</th>\n",
-       "      <th>supervoxel_id</th>\n",
-       "      <th>root_id</th>\n",
        "      <th>tag</th>\n",
        "      <th>user</th>\n",
        "      <th>user_id</th>\n",
+       "      <th>supervoxel_id</th>\n",
+       "      <th>root_id</th>\n",
+       "      <th>user_name</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th>51343</th>\n",
+       "      <th>0</th>\n",
        "      <td>48935</td>\n",
+       "      <td>2022-04-27 14:21:54.766389+00:00</td>\n",
+       "      <td>NaN</td>\n",
        "      <td>142332</td>\n",
        "      <td>61350</td>\n",
        "      <td>928</td>\n",
-       "      <td>80435185514499960</td>\n",
-       "      <td>720575940622287142</td>\n",
        "      <td>ALPN,VM5v_adPN</td>\n",
        "      <td>Philipp Schlegel</td>\n",
        "      <td>62</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>51385</th>\n",
-       "      <td>49507</td>\n",
-       "      <td>121444</td>\n",
-       "      <td>59709</td>\n",
-       "      <td>1248</td>\n",
-       "      <td>78957304514685298</td>\n",
-       "      <td>720575940625431866</td>\n",
-       "      <td>ALPN,VM5v_adPN</td>\n",
-       "      <td>Philipp Schlegel</td>\n",
-       "      <td>62</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>51389</th>\n",
-       "      <td>49514</td>\n",
-       "      <td>142668</td>\n",
-       "      <td>61600</td>\n",
-       "      <td>891</td>\n",
-       "      <td>80435185514491668</td>\n",
-       "      <td>720575940624661552</td>\n",
-       "      <td>ALPN,VM5v_adPN</td>\n",
+       "      <td>80435185514499960</td>\n",
+       "      <td>720575940622287142</td>\n",
        "      <td>Philipp Schlegel</td>\n",
-       "      <td>62</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>51620</th>\n",
+       "      <th>1</th>\n",
        "      <td>49092</td>\n",
+       "      <td>2022-04-27 14:26:00.639112+00:00</td>\n",
+       "      <td>NaN</td>\n",
        "      <td>120504</td>\n",
        "      <td>60065</td>\n",
        "      <td>1194</td>\n",
-       "      <td>78887004489925320</td>\n",
-       "      <td>720575940620189790</td>\n",
        "      <td>ALPN,VM5v_adPN</td>\n",
        "      <td>Philipp Schlegel</td>\n",
        "      <td>62</td>\n",
+       "      <td>78887004489925320</td>\n",
+       "      <td>720575940620189790</td>\n",
+       "      <td>Philipp Schlegel</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>51998</th>\n",
+       "      <th>2</th>\n",
        "      <td>49429</td>\n",
+       "      <td>2022-04-27 14:34:21.735996+00:00</td>\n",
+       "      <td>NaN</td>\n",
        "      <td>142744</td>\n",
        "      <td>62078</td>\n",
        "      <td>944</td>\n",
+       "      <td>ALPN,VM5v_adPN</td>\n",
+       "      <td>Philipp Schlegel</td>\n",
+       "      <td>62</td>\n",
        "      <td>80435185514524409</td>\n",
        "      <td>720575940619637780</td>\n",
+       "      <td>Philipp Schlegel</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>49507</td>\n",
+       "      <td>2022-04-27 14:36:19.985327+00:00</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>121444</td>\n",
+       "      <td>59709</td>\n",
+       "      <td>1248</td>\n",
        "      <td>ALPN,VM5v_adPN</td>\n",
        "      <td>Philipp Schlegel</td>\n",
        "      <td>62</td>\n",
+       "      <td>78957304514685298</td>\n",
+       "      <td>720575940625431866</td>\n",
+       "      <td>Philipp Schlegel</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>49495</td>\n",
+       "      <td>2022-04-27 14:36:02.233129+00:00</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>121284</td>\n",
+       "      <td>59660</td>\n",
+       "      <td>1036</td>\n",
+       "      <td>ALPN,VM5v_adPN</td>\n",
+       "      <td>Philipp Schlegel</td>\n",
+       "      <td>62</td>\n",
+       "      <td>78957304447921539</td>\n",
+       "      <td>720575940610505170</td>\n",
+       "      <td>Philipp Schlegel</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
        "</div>"
       ],
       "text/plain": [
-       "          id   pos_x  pos_y  pos_z      supervoxel_id             root_id  \\\n",
-       "51343  48935  142332  61350    928  80435185514499960  720575940622287142   \n",
-       "51385  49507  121444  59709   1248  78957304514685298  720575940625431866   \n",
-       "51389  49514  142668  61600    891  80435185514491668  720575940624661552   \n",
-       "51620  49092  120504  60065   1194  78887004489925320  720575940620189790   \n",
-       "51998  49429  142744  62078    944  80435185514524409  720575940619637780   \n",
+       "      id                          created  superceded_id   pos_x  pos_y  \\\n",
+       "0  48935 2022-04-27 14:21:54.766389+00:00            NaN  142332  61350   \n",
+       "1  49092 2022-04-27 14:26:00.639112+00:00            NaN  120504  60065   \n",
+       "2  49429 2022-04-27 14:34:21.735996+00:00            NaN  142744  62078   \n",
+       "3  49507 2022-04-27 14:36:19.985327+00:00            NaN  121444  59709   \n",
+       "4  49495 2022-04-27 14:36:02.233129+00:00            NaN  121284  59660   \n",
        "\n",
-       "                  tag              user  user_id  \n",
-       "51343  ALPN,VM5v_adPN  Philipp Schlegel       62  \n",
-       "51385  ALPN,VM5v_adPN  Philipp Schlegel       62  \n",
-       "51389  ALPN,VM5v_adPN  Philipp Schlegel       62  \n",
-       "51620  ALPN,VM5v_adPN  Philipp Schlegel       62  \n",
-       "51998  ALPN,VM5v_adPN  Philipp Schlegel       62  "
+       "   pos_z             tag              user  user_id      supervoxel_id  \\\n",
+       "0    928  ALPN,VM5v_adPN  Philipp Schlegel       62  80435185514499960   \n",
+       "1   1194  ALPN,VM5v_adPN  Philipp Schlegel       62  78887004489925320   \n",
+       "2    944  ALPN,VM5v_adPN  Philipp Schlegel       62  80435185514524409   \n",
+       "3   1248  ALPN,VM5v_adPN  Philipp Schlegel       62  78957304514685298   \n",
+       "4   1036  ALPN,VM5v_adPN  Philipp Schlegel       62  78957304447921539   \n",
+       "\n",
+       "              root_id         user_name  \n",
+       "0  720575940622287142  Philipp Schlegel  \n",
+       "1  720575940620189790  Philipp Schlegel  \n",
+       "2  720575940619637780  Philipp Schlegel  \n",
+       "3  720575940625431866  Philipp Schlegel  \n",
+       "4  720575940610505170  Philipp Schlegel  "
       ]
      },
-     "execution_count": 5,
+     "execution_count": 6,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -489,14 +537,14 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 7,
    "metadata": {},
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Using materialization version 630\n"
+      "Using materialization version 783.\n"
      ]
     },
     {
@@ -531,21 +579,21 @@
        "      <th>nucleus_id</th>\n",
        "      <th>flow</th>\n",
        "      <th>...</th>\n",
-       "      <th>hemibrain_type</th>\n",
-       "      <th>ito_lee_hemilineage</th>\n",
-       "      <th>hartenstein_hemilineage</th>\n",
        "      <th>morphology_group</th>\n",
        "      <th>top_nt</th>\n",
        "      <th>top_nt_conf</th>\n",
+       "      <th>known_nt</th>\n",
+       "      <th>known_nt_source</th>\n",
        "      <th>side</th>\n",
        "      <th>nerve</th>\n",
+       "      <th>vfb_id</th>\n",
        "      <th>fbbt_id</th>\n",
        "      <th>status</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th>561</th>\n",
+       "      <th>0</th>\n",
        "      <td>80435185514499960</td>\n",
        "      <td>720575940622287142</td>\n",
        "      <td>142332</td>\n",
@@ -557,19 +605,19 @@
        "      <td>5057638.0</td>\n",
        "      <td>intrinsic</td>\n",
        "      <td>...</td>\n",
-       "      <td>VM5v_adPN</td>\n",
-       "      <td>ALad1</td>\n",
-       "      <td>BAmv3</td>\n",
-       "      <td>ALad1_1</td>\n",
+       "      <td>ALad1__1</td>\n",
        "      <td>acetylcholine</td>\n",
-       "      <td>0.938421</td>\n",
+       "      <td>0.943605</td>\n",
+       "      <td>acetylcholine</td>\n",
+       "      <td>Tanaka et al., 2012</td>\n",
        "      <td>right</td>\n",
        "      <td>NaN</td>\n",
+       "      <td>fw000568</td>\n",
        "      <td>FBbt_00100386</td>\n",
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>11874</th>\n",
+       "      <th>1</th>\n",
        "      <td>78887004489925320</td>\n",
        "      <td>720575940620189790</td>\n",
        "      <td>120504</td>\n",
@@ -581,19 +629,19 @@
        "      <td>4518437.0</td>\n",
        "      <td>intrinsic</td>\n",
        "      <td>...</td>\n",
-       "      <td>VM5v_adPN</td>\n",
-       "      <td>ALad1</td>\n",
-       "      <td>BAmv3</td>\n",
-       "      <td>ALad1_1</td>\n",
+       "      <td>ALad1__1</td>\n",
        "      <td>acetylcholine</td>\n",
-       "      <td>0.948491</td>\n",
+       "      <td>0.950719</td>\n",
+       "      <td>acetylcholine</td>\n",
+       "      <td>Tanaka et al., 2012</td>\n",
        "      <td>left</td>\n",
        "      <td>NaN</td>\n",
+       "      <td>fw012119</td>\n",
        "      <td>FBbt_00100386</td>\n",
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>34685</th>\n",
+       "      <th>2</th>\n",
        "      <td>80435185514524409</td>\n",
        "      <td>720575940619637780</td>\n",
        "      <td>142744</td>\n",
@@ -605,19 +653,19 @@
        "      <td>5739285.0</td>\n",
        "      <td>intrinsic</td>\n",
        "      <td>...</td>\n",
-       "      <td>VM5v_adPN</td>\n",
-       "      <td>ALad1</td>\n",
-       "      <td>BAmv3</td>\n",
-       "      <td>ALad1_1</td>\n",
+       "      <td>ALad1__1</td>\n",
+       "      <td>acetylcholine</td>\n",
+       "      <td>0.920976</td>\n",
        "      <td>acetylcholine</td>\n",
-       "      <td>0.918128</td>\n",
+       "      <td>Tanaka et al., 2012</td>\n",
        "      <td>right</td>\n",
        "      <td>NaN</td>\n",
+       "      <td>fw034817</td>\n",
        "      <td>FBbt_00100386</td>\n",
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>35972</th>\n",
+       "      <th>3</th>\n",
        "      <td>78957304447921539</td>\n",
        "      <td>720575940610505170</td>\n",
        "      <td>121284</td>\n",
@@ -629,19 +677,19 @@
        "      <td>4515954.0</td>\n",
        "      <td>intrinsic</td>\n",
        "      <td>...</td>\n",
-       "      <td>VM5v_adPN</td>\n",
-       "      <td>ALad1</td>\n",
-       "      <td>BAmv3</td>\n",
-       "      <td>ALad1_1</td>\n",
+       "      <td>ALad1__1</td>\n",
+       "      <td>acetylcholine</td>\n",
+       "      <td>0.951816</td>\n",
        "      <td>acetylcholine</td>\n",
-       "      <td>0.949083</td>\n",
+       "      <td>Tanaka et al., 2012</td>\n",
        "      <td>left</td>\n",
        "      <td>NaN</td>\n",
+       "      <td>fw036072</td>\n",
        "      <td>FBbt_00100386</td>\n",
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>36182</th>\n",
+       "      <th>4</th>\n",
        "      <td>78957304514685298</td>\n",
        "      <td>720575940625431866</td>\n",
        "      <td>121444</td>\n",
@@ -653,55 +701,55 @@
        "      <td>4518783.0</td>\n",
        "      <td>intrinsic</td>\n",
        "      <td>...</td>\n",
-       "      <td>VM5v_adPN</td>\n",
-       "      <td>ALad1</td>\n",
-       "      <td>BAmv3</td>\n",
-       "      <td>ALad1_1</td>\n",
+       "      <td>ALad1__1</td>\n",
+       "      <td>acetylcholine</td>\n",
+       "      <td>0.957189</td>\n",
        "      <td>acetylcholine</td>\n",
-       "      <td>0.954871</td>\n",
+       "      <td>Tanaka et al., 2012</td>\n",
        "      <td>left</td>\n",
        "      <td>NaN</td>\n",
+       "      <td>fw036274</td>\n",
        "      <td>FBbt_00100386</td>\n",
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
-       "<p>5 rows × 24 columns</p>\n",
+       "<p>5 rows × 27 columns</p>\n",
        "</div>"
       ],
       "text/plain": [
-       "           supervoxel_id             root_id   pos_x  pos_y  pos_z    soma_x  \\\n",
-       "561    80435185514499960  720575940622287142  142332  61350    928  139912.0   \n",
-       "11874  78887004489925320  720575940620189790  120504  60065   1194  124824.0   \n",
-       "34685  80435185514524409  720575940619637780  142744  62078    944  140752.0   \n",
-       "35972  78957304447921539  720575940610505170  121284  59660   1036  124040.0   \n",
-       "36182  78957304514685298  720575940625431866  121444  59709   1248  125088.0   \n",
+       "       supervoxel_id             root_id   pos_x  pos_y  pos_z    soma_x  \\\n",
+       "0  80435185514499960  720575940622287142  142332  61350    928  139912.0   \n",
+       "1  78887004489925320  720575940620189790  120504  60065   1194  124824.0   \n",
+       "2  80435185514524409  720575940619637780  142744  62078    944  140752.0   \n",
+       "3  78957304447921539  720575940610505170  121284  59660   1036  124040.0   \n",
+       "4  78957304514685298  720575940625431866  121444  59709   1248  125088.0   \n",
        "\n",
-       "        soma_y  soma_z  nucleus_id       flow  ... hemibrain_type  \\\n",
-       "561    51768.0   698.0   5057638.0  intrinsic  ...      VM5v_adPN   \n",
-       "11874  49920.0   998.0   4518437.0  intrinsic  ...      VM5v_adPN   \n",
-       "34685  52368.0   374.0   5739285.0  intrinsic  ...      VM5v_adPN   \n",
-       "35972  49616.0   906.0   4515954.0  intrinsic  ...      VM5v_adPN   \n",
-       "36182  52048.0   782.0   4518783.0  intrinsic  ...      VM5v_adPN   \n",
+       "    soma_y  soma_z  nucleus_id       flow  ... morphology_group  \\\n",
+       "0  51768.0   698.0   5057638.0  intrinsic  ...         ALad1__1   \n",
+       "1  49920.0   998.0   4518437.0  intrinsic  ...         ALad1__1   \n",
+       "2  52368.0   374.0   5739285.0  intrinsic  ...         ALad1__1   \n",
+       "3  49616.0   906.0   4515954.0  intrinsic  ...         ALad1__1   \n",
+       "4  52048.0   782.0   4518783.0  intrinsic  ...         ALad1__1   \n",
        "\n",
-       "      ito_lee_hemilineage hartenstein_hemilineage morphology_group  \\\n",
-       "561                 ALad1                   BAmv3          ALad1_1   \n",
-       "11874               ALad1                   BAmv3          ALad1_1   \n",
-       "34685               ALad1                   BAmv3          ALad1_1   \n",
-       "35972               ALad1                   BAmv3          ALad1_1   \n",
-       "36182               ALad1                   BAmv3          ALad1_1   \n",
+       "          top_nt top_nt_conf       known_nt      known_nt_source   side nerve  \\\n",
+       "0  acetylcholine    0.943605  acetylcholine  Tanaka et al., 2012  right   NaN   \n",
+       "1  acetylcholine    0.950719  acetylcholine  Tanaka et al., 2012   left   NaN   \n",
+       "2  acetylcholine    0.920976  acetylcholine  Tanaka et al., 2012  right   NaN   \n",
+       "3  acetylcholine    0.951816  acetylcholine  Tanaka et al., 2012   left   NaN   \n",
+       "4  acetylcholine    0.957189  acetylcholine  Tanaka et al., 2012   left   NaN   \n",
        "\n",
-       "              top_nt top_nt_conf   side nerve        fbbt_id  status  \n",
-       "561    acetylcholine    0.938421  right   NaN  FBbt_00100386     NaN  \n",
-       "11874  acetylcholine    0.948491   left   NaN  FBbt_00100386     NaN  \n",
-       "34685  acetylcholine    0.918128  right   NaN  FBbt_00100386     NaN  \n",
-       "35972  acetylcholine    0.949083   left   NaN  FBbt_00100386     NaN  \n",
-       "36182  acetylcholine    0.954871   left   NaN  FBbt_00100386     NaN  \n",
+       "     vfb_id        fbbt_id  status  \n",
+       "0  fw000568  FBbt_00100386     NaN  \n",
+       "1  fw012119  FBbt_00100386     NaN  \n",
+       "2  fw034817  FBbt_00100386     NaN  \n",
+       "3  fw036072  FBbt_00100386     NaN  \n",
+       "4  fw036274  FBbt_00100386     NaN  \n",
        "\n",
-       "[5 rows x 24 columns]"
+       "[5 rows x 27 columns]"
       ]
      },
-     "execution_count": 6,
+     "execution_count": 7,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -721,14 +769,14 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 8,
    "metadata": {},
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Using materialization version 630\n"
+      "Using materialization version 783.\n"
      ]
     },
     {
@@ -763,11 +811,11 @@
        "      <th>nucleus_id</th>\n",
        "      <th>flow</th>\n",
        "      <th>...</th>\n",
-       "      <th>ito_lee_hemilineage</th>\n",
-       "      <th>hartenstein_hemilineage</th>\n",
        "      <th>morphology_group</th>\n",
        "      <th>top_nt</th>\n",
        "      <th>top_nt_conf</th>\n",
+       "      <th>known_nt</th>\n",
+       "      <th>known_nt_source</th>\n",
        "      <th>side</th>\n",
        "      <th>nerve</th>\n",
        "      <th>vfb_id</th>\n",
@@ -790,10 +838,10 @@
        "      <td>afferent</td>\n",
        "      <td>...</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
        "      <td>acetylcholine</td>\n",
        "      <td>0.701929</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
        "      <td>left</td>\n",
        "      <td>PhN</td>\n",
        "      <td>fw039687</td>\n",
@@ -814,10 +862,10 @@
        "      <td>afferent</td>\n",
        "      <td>...</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
        "      <td>acetylcholine</td>\n",
        "      <td>0.623311</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
        "      <td>left</td>\n",
        "      <td>MxLbN</td>\n",
        "      <td>fw043484</td>\n",
@@ -838,10 +886,10 @@
        "      <td>afferent</td>\n",
        "      <td>...</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
        "      <td>acetylcholine</td>\n",
        "      <td>0.716926</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
        "      <td>left</td>\n",
        "      <td>MxLbN</td>\n",
        "      <td>fw043485</td>\n",
@@ -862,10 +910,10 @@
        "      <td>afferent</td>\n",
        "      <td>...</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
        "      <td>acetylcholine</td>\n",
        "      <td>0.747361</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
        "      <td>left</td>\n",
        "      <td>MxLbN</td>\n",
        "      <td>fw043486</td>\n",
@@ -886,10 +934,10 @@
        "      <td>afferent</td>\n",
        "      <td>...</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
        "      <td>acetylcholine</td>\n",
        "      <td>0.727190</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
        "      <td>left</td>\n",
        "      <td>MxLbN</td>\n",
        "      <td>fw043487</td>\n",
@@ -898,7 +946,7 @@
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
-       "<p>5 rows × 25 columns</p>\n",
+       "<p>5 rows × 27 columns</p>\n",
        "</div>"
       ],
       "text/plain": [
@@ -909,31 +957,24 @@
        "3  78888516385974174  720575940635791167  120512  82676   2063     NaN   \n",
        "4  78747710244640262  720575940629270339  118458  82316   2109     NaN   \n",
        "\n",
-       "   soma_y  soma_z  nucleus_id      flow  ... ito_lee_hemilineage  \\\n",
-       "0     NaN     NaN         NaN  afferent  ...                 NaN   \n",
-       "1     NaN     NaN         NaN  afferent  ...                 NaN   \n",
-       "2     NaN     NaN         NaN  afferent  ...                 NaN   \n",
-       "3     NaN     NaN         NaN  afferent  ...                 NaN   \n",
-       "4     NaN     NaN         NaN  afferent  ...                 NaN   \n",
-       "\n",
-       "  hartenstein_hemilineage morphology_group         top_nt top_nt_conf  side  \\\n",
-       "0                     NaN              NaN  acetylcholine    0.701929  left   \n",
-       "1                     NaN              NaN  acetylcholine    0.623311  left   \n",
-       "2                     NaN              NaN  acetylcholine    0.716926  left   \n",
-       "3                     NaN              NaN  acetylcholine    0.747361  left   \n",
-       "4                     NaN              NaN  acetylcholine    0.727190  left   \n",
+       "   soma_y  soma_z  nucleus_id      flow  ... morphology_group         top_nt  \\\n",
+       "0     NaN     NaN         NaN  afferent  ...              NaN  acetylcholine   \n",
+       "1     NaN     NaN         NaN  afferent  ...              NaN  acetylcholine   \n",
+       "2     NaN     NaN         NaN  afferent  ...              NaN  acetylcholine   \n",
+       "3     NaN     NaN         NaN  afferent  ...              NaN  acetylcholine   \n",
+       "4     NaN     NaN         NaN  afferent  ...              NaN  acetylcholine   \n",
        "\n",
-       "   nerve    vfb_id fbbt_id  status  \n",
-       "0    PhN  fw039687     NaN     NaN  \n",
-       "1  MxLbN  fw043484     NaN     NaN  \n",
-       "2  MxLbN  fw043485     NaN     NaN  \n",
-       "3  MxLbN  fw043486     NaN     NaN  \n",
-       "4  MxLbN  fw043487     NaN     NaN  \n",
+       "  top_nt_conf known_nt known_nt_source  side  nerve    vfb_id fbbt_id  status  \n",
+       "0    0.701929      NaN             NaN  left    PhN  fw039687     NaN     NaN  \n",
+       "1    0.623311      NaN             NaN  left  MxLbN  fw043484     NaN     NaN  \n",
+       "2    0.716926      NaN             NaN  left  MxLbN  fw043485     NaN     NaN  \n",
+       "3    0.747361      NaN             NaN  left  MxLbN  fw043486     NaN     NaN  \n",
+       "4    0.727190      NaN             NaN  left  MxLbN  fw043487     NaN     NaN  \n",
        "\n",
-       "[5 rows x 25 columns]"
+       "[5 rows x 27 columns]"
       ]
      },
-     "execution_count": 6,
+     "execution_count": 8,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -962,7 +1003,7 @@
      "output_type": "stream",
      "text": [
       "Found 8 neurons matching the given criteria.\n",
-      "Using cached materialization version 630\n"
+      "Using materialization version 783.\n"
      ]
     },
     {
@@ -997,11 +1038,11 @@
        "      <th>nucleus_id</th>\n",
        "      <th>flow</th>\n",
        "      <th>...</th>\n",
-       "      <th>ito_lee_hemilineage</th>\n",
-       "      <th>hartenstein_hemilineage</th>\n",
        "      <th>morphology_group</th>\n",
        "      <th>top_nt</th>\n",
        "      <th>top_nt_conf</th>\n",
+       "      <th>known_nt</th>\n",
+       "      <th>known_nt_source</th>\n",
        "      <th>side</th>\n",
        "      <th>nerve</th>\n",
        "      <th>vfb_id</th>\n",
@@ -1023,11 +1064,11 @@
        "      <td>2469243.0</td>\n",
        "      <td>intrinsic</td>\n",
        "      <td>...</td>\n",
-       "      <td>ALl1_ventral</td>\n",
-       "      <td>BAlc_ventral</td>\n",
        "      <td>ALl1_ventral__7</td>\n",
        "      <td>acetylcholine</td>\n",
        "      <td>0.929829</td>\n",
+       "      <td>acetylcholine</td>\n",
+       "      <td>Tanaka et al., 2012</td>\n",
        "      <td>left</td>\n",
        "      <td>NaN</td>\n",
        "      <td>fw012440</td>\n",
@@ -1047,11 +1088,11 @@
        "      <td>2469812.0</td>\n",
        "      <td>intrinsic</td>\n",
        "      <td>...</td>\n",
-       "      <td>ALl1_ventral</td>\n",
-       "      <td>BAlc_ventral</td>\n",
        "      <td>ALl1_ventral__7</td>\n",
        "      <td>acetylcholine</td>\n",
        "      <td>0.909374</td>\n",
+       "      <td>acetylcholine</td>\n",
+       "      <td>Tanaka et al., 2012</td>\n",
        "      <td>left</td>\n",
        "      <td>NaN</td>\n",
        "      <td>fw032945</td>\n",
@@ -1071,11 +1112,11 @@
        "      <td>2468760.0</td>\n",
        "      <td>intrinsic</td>\n",
        "      <td>...</td>\n",
-       "      <td>ALl1_ventral</td>\n",
-       "      <td>BAlc_ventral</td>\n",
        "      <td>ALl1_ventral__7</td>\n",
        "      <td>acetylcholine</td>\n",
        "      <td>0.894545</td>\n",
+       "      <td>acetylcholine</td>\n",
+       "      <td>Tanaka et al., 2012</td>\n",
        "      <td>left</td>\n",
        "      <td>NaN</td>\n",
        "      <td>fw033427</td>\n",
@@ -1095,11 +1136,11 @@
        "      <td>2471407.0</td>\n",
        "      <td>intrinsic</td>\n",
        "      <td>...</td>\n",
-       "      <td>ALl1_ventral</td>\n",
-       "      <td>BAlc_ventral</td>\n",
        "      <td>ALl1_ventral__7</td>\n",
        "      <td>acetylcholine</td>\n",
        "      <td>0.930650</td>\n",
+       "      <td>acetylcholine</td>\n",
+       "      <td>Tanaka et al., 2012</td>\n",
        "      <td>left</td>\n",
        "      <td>NaN</td>\n",
        "      <td>fw033526</td>\n",
@@ -1119,11 +1160,11 @@
        "      <td>2468972.0</td>\n",
        "      <td>intrinsic</td>\n",
        "      <td>...</td>\n",
-       "      <td>ALl1_ventral</td>\n",
-       "      <td>BAlc_ventral</td>\n",
        "      <td>ALl1_ventral__7</td>\n",
        "      <td>acetylcholine</td>\n",
        "      <td>0.916676</td>\n",
+       "      <td>acetylcholine</td>\n",
+       "      <td>Tanaka et al., 2012</td>\n",
        "      <td>left</td>\n",
        "      <td>NaN</td>\n",
        "      <td>fw034548</td>\n",
@@ -1143,11 +1184,11 @@
        "      <td>2476421.0</td>\n",
        "      <td>intrinsic</td>\n",
        "      <td>...</td>\n",
-       "      <td>ALl1_ventral</td>\n",
-       "      <td>BAlc_ventral</td>\n",
        "      <td>ALl1_ventral__7</td>\n",
        "      <td>acetylcholine</td>\n",
        "      <td>0.928285</td>\n",
+       "      <td>acetylcholine</td>\n",
+       "      <td>Tanaka et al., 2012</td>\n",
        "      <td>left</td>\n",
        "      <td>NaN</td>\n",
        "      <td>fw035057</td>\n",
@@ -1167,11 +1208,11 @@
        "      <td>2468593.0</td>\n",
        "      <td>intrinsic</td>\n",
        "      <td>...</td>\n",
-       "      <td>ALl1_ventral</td>\n",
-       "      <td>BAlc_ventral</td>\n",
        "      <td>ALl1_ventral__7</td>\n",
        "      <td>acetylcholine</td>\n",
        "      <td>0.938961</td>\n",
+       "      <td>acetylcholine</td>\n",
+       "      <td>Tanaka et al., 2012</td>\n",
        "      <td>left</td>\n",
        "      <td>NaN</td>\n",
        "      <td>fw035224</td>\n",
@@ -1191,11 +1232,11 @@
        "      <td>2532594.0</td>\n",
        "      <td>intrinsic</td>\n",
        "      <td>...</td>\n",
-       "      <td>ALl1_ventral</td>\n",
-       "      <td>BAlc_ventral</td>\n",
        "      <td>ALl1_ventral__7</td>\n",
        "      <td>acetylcholine</td>\n",
        "      <td>0.899551</td>\n",
+       "      <td>acetylcholine</td>\n",
+       "      <td>Tanaka et al., 2012</td>\n",
        "      <td>left</td>\n",
        "      <td>NaN</td>\n",
        "      <td>fw036329</td>\n",
@@ -1204,7 +1245,7 @@
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
-       "<p>8 rows × 25 columns</p>\n",
+       "<p>8 rows × 27 columns</p>\n",
        "</div>"
       ],
       "text/plain": [
@@ -1218,37 +1259,37 @@
        "6  78323779658618911  720575940603231916  112038  56471   1216  100672.0   \n",
        "7  78464654585926444  720575940605102694  113795  58276   1223  103744.0   \n",
        "\n",
-       "    soma_y  soma_z  nucleus_id       flow  ... ito_lee_hemilineage  \\\n",
-       "0  57432.0  1311.0   2469243.0  intrinsic  ...        ALl1_ventral   \n",
-       "1  55568.0  1655.0   2469812.0  intrinsic  ...        ALl1_ventral   \n",
-       "2  56608.0  1386.0   2468760.0  intrinsic  ...        ALl1_ventral   \n",
-       "3  55800.0  1508.0   2471407.0  intrinsic  ...        ALl1_ventral   \n",
-       "4  54536.0  1584.0   2468972.0  intrinsic  ...        ALl1_ventral   \n",
-       "5  55088.0  1687.0   2476421.0  intrinsic  ...        ALl1_ventral   \n",
-       "6  54976.0  1388.0   2468593.0  intrinsic  ...        ALl1_ventral   \n",
-       "7  60904.0  1295.0   2532594.0  intrinsic  ...        ALl1_ventral   \n",
+       "    soma_y  soma_z  nucleus_id       flow  ... morphology_group  \\\n",
+       "0  57432.0  1311.0   2469243.0  intrinsic  ...  ALl1_ventral__7   \n",
+       "1  55568.0  1655.0   2469812.0  intrinsic  ...  ALl1_ventral__7   \n",
+       "2  56608.0  1386.0   2468760.0  intrinsic  ...  ALl1_ventral__7   \n",
+       "3  55800.0  1508.0   2471407.0  intrinsic  ...  ALl1_ventral__7   \n",
+       "4  54536.0  1584.0   2468972.0  intrinsic  ...  ALl1_ventral__7   \n",
+       "5  55088.0  1687.0   2476421.0  intrinsic  ...  ALl1_ventral__7   \n",
+       "6  54976.0  1388.0   2468593.0  intrinsic  ...  ALl1_ventral__7   \n",
+       "7  60904.0  1295.0   2532594.0  intrinsic  ...  ALl1_ventral__7   \n",
        "\n",
-       "  hartenstein_hemilineage morphology_group         top_nt top_nt_conf  side  \\\n",
-       "0            BAlc_ventral  ALl1_ventral__7  acetylcholine    0.929829  left   \n",
-       "1            BAlc_ventral  ALl1_ventral__7  acetylcholine    0.909374  left   \n",
-       "2            BAlc_ventral  ALl1_ventral__7  acetylcholine    0.894545  left   \n",
-       "3            BAlc_ventral  ALl1_ventral__7  acetylcholine    0.930650  left   \n",
-       "4            BAlc_ventral  ALl1_ventral__7  acetylcholine    0.916676  left   \n",
-       "5            BAlc_ventral  ALl1_ventral__7  acetylcholine    0.928285  left   \n",
-       "6            BAlc_ventral  ALl1_ventral__7  acetylcholine    0.938961  left   \n",
-       "7            BAlc_ventral  ALl1_ventral__7  acetylcholine    0.899551  left   \n",
+       "          top_nt top_nt_conf       known_nt      known_nt_source  side nerve  \\\n",
+       "0  acetylcholine    0.929829  acetylcholine  Tanaka et al., 2012  left   NaN   \n",
+       "1  acetylcholine    0.909374  acetylcholine  Tanaka et al., 2012  left   NaN   \n",
+       "2  acetylcholine    0.894545  acetylcholine  Tanaka et al., 2012  left   NaN   \n",
+       "3  acetylcholine    0.930650  acetylcholine  Tanaka et al., 2012  left   NaN   \n",
+       "4  acetylcholine    0.916676  acetylcholine  Tanaka et al., 2012  left   NaN   \n",
+       "5  acetylcholine    0.928285  acetylcholine  Tanaka et al., 2012  left   NaN   \n",
+       "6  acetylcholine    0.938961  acetylcholine  Tanaka et al., 2012  left   NaN   \n",
+       "7  acetylcholine    0.899551  acetylcholine  Tanaka et al., 2012  left   NaN   \n",
        "\n",
-       "  nerve    vfb_id        fbbt_id  status  \n",
-       "0   NaN  fw012440  FBbt_00067363     NaN  \n",
-       "1   NaN  fw032945  FBbt_00067363     NaN  \n",
-       "2   NaN  fw033427  FBbt_00067363     NaN  \n",
-       "3   NaN  fw033526  FBbt_00067363     NaN  \n",
-       "4   NaN  fw034548  FBbt_00067363     NaN  \n",
-       "5   NaN  fw035057  FBbt_00067363     NaN  \n",
-       "6   NaN  fw035224  FBbt_00067363     NaN  \n",
-       "7   NaN  fw036329  FBbt_00067363     NaN  \n",
+       "     vfb_id        fbbt_id  status  \n",
+       "0  fw012440  FBbt_00067363     NaN  \n",
+       "1  fw032945  FBbt_00067363     NaN  \n",
+       "2  fw033427  FBbt_00067363     NaN  \n",
+       "3  fw033526  FBbt_00067363     NaN  \n",
+       "4  fw034548  FBbt_00067363     NaN  \n",
+       "5  fw035057  FBbt_00067363     NaN  \n",
+       "6  fw035224  FBbt_00067363     NaN  \n",
+       "7  fw036329  FBbt_00067363     NaN  \n",
        "\n",
-       "[8 rows x 25 columns]"
+       "[8 rows x 27 columns]"
       ]
      },
      "execution_count": 9,
@@ -1288,7 +1329,7 @@
      "output_type": "stream",
      "text": [
       "Found 8 neurons matching the given criteria.\n",
-      "Using materialization version 630\n"
+      "Using materialization version 783.\n"
      ]
     },
     {
@@ -1333,7 +1374,7 @@
        "    <tr>\n",
        "      <th>2</th>\n",
        "      <td>720575940603231916</td>\n",
-       "      <td>720575940630610425</td>\n",
+       "      <td>720575940635945919</td>\n",
        "      <td>46</td>\n",
        "    </tr>\n",
        "    <tr>\n",
@@ -1345,7 +1386,7 @@
        "    <tr>\n",
        "      <th>4</th>\n",
        "      <td>720575940614309535</td>\n",
-       "      <td>720575940630610425</td>\n",
+       "      <td>720575940635945919</td>\n",
        "      <td>39</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
@@ -1356,9 +1397,9 @@
        "                  pre                post  weight\n",
        "0  720575940605102694  720575940646122804      64\n",
        "1  720575940603231916  720575940629163931      50\n",
-       "2  720575940603231916  720575940630610425      46\n",
+       "2  720575940603231916  720575940635945919      46\n",
        "3  720575940603231916  720575940646122804      42\n",
-       "4  720575940614309535  720575940630610425      39"
+       "4  720575940614309535  720575940635945919      39"
       ]
      },
      "execution_count": 10,
@@ -1382,7 +1423,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": 12,
    "metadata": {},
    "outputs": [
     {
@@ -1395,7 +1436,7 @@
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "94b6e7a5f99b4e82896b43df392d3caf",
+       "model_id": "b4e78c34b33946cfa3f8d6c10160248b",
        "version_major": 2,
        "version_minor": 0
       },
@@ -1409,7 +1450,7 @@
     {
      "data": {
       "text/html": [
-       "&lt;class 'navis.core.neuronlist.NeuronList'&gt; containing 8 neurons (663.5KiB)<div>\n",
+       "&lt;class 'navis.core.neuronlist.NeuronList'&gt; containing 8 neurons (827.5KiB)<div>\n",
        "<style scoped>\n",
        "    .dataframe tbody tr th:only-of-type {\n",
        "        vertical-align: middle;\n",
@@ -1445,12 +1486,12 @@
        "      <td>navis.TreeNeuron</td>\n",
        "      <td>skeleton</td>\n",
        "      <td>720575940603231916</td>\n",
-       "      <td>2499</td>\n",
+       "      <td>3588</td>\n",
        "      <td>None</td>\n",
-       "      <td>594</td>\n",
-       "      <td>652</td>\n",
-       "      <td>1995934.875</td>\n",
-       "      <td>[104, 311, 313, 315, 317, 318, 320, 323, 894, ...</td>\n",
+       "      <td>586</td>\n",
+       "      <td>645</td>\n",
+       "      <td>2050971.75</td>\n",
+       "      <td>[141, 458, 460, 462, 464, 466, 467, 469, 470, ...</td>\n",
        "      <td>1 nanometer</td>\n",
        "    </tr>\n",
        "    <tr>\n",
@@ -1458,12 +1499,12 @@
        "      <td>navis.TreeNeuron</td>\n",
        "      <td>skeleton</td>\n",
        "      <td>720575940605102694</td>\n",
-       "      <td>3291</td>\n",
+       "      <td>4596</td>\n",
        "      <td>None</td>\n",
-       "      <td>914</td>\n",
-       "      <td>1026</td>\n",
-       "      <td>2545239.250</td>\n",
-       "      <td>[9, 71, 75, 83, 86, 95, 111, 112, 115, 128, 15...</td>\n",
+       "      <td>856</td>\n",
+       "      <td>971</td>\n",
+       "      <td>2598267.50</td>\n",
+       "      <td>[121, 125, 128, 130, 131, 149, 161, 173, 183, ...</td>\n",
        "      <td>1 nanometer</td>\n",
        "    </tr>\n",
        "    <tr>\n",
@@ -1484,12 +1525,12 @@
        "      <td>navis.TreeNeuron</td>\n",
        "      <td>skeleton</td>\n",
        "      <td>720575940626034819</td>\n",
-       "      <td>2387</td>\n",
+       "      <td>3519</td>\n",
        "      <td>None</td>\n",
-       "      <td>531</td>\n",
-       "      <td>578</td>\n",
-       "      <td>1940427.250</td>\n",
-       "      <td>[21, 153, 158, 252, 253, 254, 256, 912, 958, 9...</td>\n",
+       "      <td>522</td>\n",
+       "      <td>570</td>\n",
+       "      <td>1986607.75</td>\n",
+       "      <td>[15, 19, 21, 22, 239, 242, 384, 385, 387, 389,...</td>\n",
        "      <td>1 nanometer</td>\n",
        "    </tr>\n",
        "    <tr>\n",
@@ -1497,12 +1538,12 @@
        "      <td>navis.TreeNeuron</td>\n",
        "      <td>skeleton</td>\n",
        "      <td>720575940637208718</td>\n",
-       "      <td>2857</td>\n",
+       "      <td>4143</td>\n",
        "      <td>None</td>\n",
-       "      <td>694</td>\n",
-       "      <td>758</td>\n",
-       "      <td>2260301.500</td>\n",
-       "      <td>[187, 565, 572, 582, 981, 1017, 1042, 1045, 10...</td>\n",
+       "      <td>688</td>\n",
+       "      <td>750</td>\n",
+       "      <td>2318905.00</td>\n",
+       "      <td>[280, 535, 656, 692, 729, 751, 829, 1355, 1396...</td>\n",
        "      <td>1 nanometer</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
@@ -1510,30 +1551,30 @@
        "</div>"
       ],
       "text/plain": [
-       "<class 'navis.core.neuronlist.NeuronList'> containing 8 neurons (663.5KiB)\n",
+       "<class 'navis.core.neuronlist.NeuronList'> containing 8 neurons (827.5KiB)\n",
        "                type      name                  id  n_nodes n_connectors  \\\n",
-       "0   navis.TreeNeuron  skeleton  720575940603231916     2499         None   \n",
-       "1   navis.TreeNeuron  skeleton  720575940605102694     3291         None   \n",
+       "0   navis.TreeNeuron  skeleton  720575940603231916     3588         None   \n",
+       "1   navis.TreeNeuron  skeleton  720575940605102694     4596         None   \n",
        "..               ...       ...                 ...      ...          ...   \n",
-       "6   navis.TreeNeuron  skeleton  720575940626034819     2387         None   \n",
-       "7   navis.TreeNeuron  skeleton  720575940637208718     2857         None   \n",
+       "6   navis.TreeNeuron  skeleton  720575940626034819     3519         None   \n",
+       "7   navis.TreeNeuron  skeleton  720575940637208718     4143         None   \n",
        "\n",
        "    n_branches  n_leafs  cable_length  \\\n",
-       "0          594      652   1995934.875   \n",
-       "1          914     1026   2545239.250   \n",
+       "0          586      645    2050971.75   \n",
+       "1          856      971    2598267.50   \n",
        "..         ...      ...           ...   \n",
-       "6          531      578   1940427.250   \n",
-       "7          694      758   2260301.500   \n",
+       "6          522      570    1986607.75   \n",
+       "7          688      750    2318905.00   \n",
        "\n",
        "                                                 soma        units  \n",
-       "0   [104, 311, 313, 315, 317, 318, 320, 323, 894, ...  1 nanometer  \n",
-       "1   [9, 71, 75, 83, 86, 95, 111, 112, 115, 128, 15...  1 nanometer  \n",
+       "0   [141, 458, 460, 462, 464, 466, 467, 469, 470, ...  1 nanometer  \n",
+       "1   [121, 125, 128, 130, 131, 149, 161, 173, 183, ...  1 nanometer  \n",
        "..                                                ...          ...  \n",
-       "6   [21, 153, 158, 252, 253, 254, 256, 912, 958, 9...  1 nanometer  \n",
-       "7   [187, 565, 572, 582, 981, 1017, 1042, 1045, 10...  1 nanometer  "
+       "6   [15, 19, 21, 22, 239, 242, 384, 385, 387, 389,...  1 nanometer  \n",
+       "7   [280, 535, 656, 692, 729, 751, 829, 1355, 1396...  1 nanometer  "
       ]
      },
-     "execution_count": 13,
+     "execution_count": 12,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1541,14 +1582,17 @@
    "source": [
     ">>> sk = flywire.get_skeletons(NC(type='DA1_lPN',\n",
     "...                               side='left',\n",
-    "...                               materialization=630),\n",
-    "...                            dataset=630)\n",
+    "...                               materialization=783))\n",
     ">>> sk"
    ]
   },
   {
    "cell_type": "raw",
-   "metadata": {},
+   "metadata": {
+    "vscode": {
+     "languageId": "raw"
+    }
+   },
    "source": [
     "Please see the :ref:`API reference <api_annotations>` for a full list\n",
     "of annotation-related functions.\n",
@@ -1565,7 +1609,7 @@
     "At the time of writing, the repository already contains 3 versions of the annotations\n",
     "(`v1.0.0`, `v1.1.0` and `v2.0.0`; see \"Releases\" on the repository) and we're\n",
     "planning to release new versions with updated labels in the future. By default,\n",
-    "``fafbseg`` will use the latest available version but you can also specify which\n",
+    "``fafbseg`` will use the latest available data but you can also specify which\n",
     "version you want to use (see :func:`~fafbseg.flywire.set_default_annotation_version`).\n",
     "\n",
     "These annotation versions are _technically_ independent of the segmentation since\n",
@@ -1598,7 +1642,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.9"
+   "version": "3.11.8"
   },
   "orig_nbformat": 4
  },
diff --git a/fafbseg/flywire/annotations.py b/fafbseg/flywire/annotations.py
index 19966ad..27c6a31 100644
--- a/fafbseg/flywire/annotations.py
+++ b/fafbseg/flywire/annotations.py
@@ -84,6 +84,7 @@
 
 # The default annotation version
 DEFAULT_ANNOTATION_VERSION = os.environ.get('FLYWIRE_DEFAULT_ANNOTATION_VERSION', None)
+_CURRENT_ANNOTATION_COMMIT = None  # this is to keep track of the current commit
 
 
 def parse_neuroncriteria(allow_all=True, allow_empty=False):
@@ -1110,9 +1111,9 @@ def search_annotations(x,
                   - if `None` (default), will use in order:
                      1. The version set by ``flywire.set_default_annotation_version()``
                      2. The version set by environment variable ``FLYWIRE_DEFAULT_ANNOTATION_VERSION``
-                     3. The latest commit available on the "main" branch
-                  - if `latest_commit` will use the latest available release
-                  - if `latest_tag` will use the latest available tag
+                     3. The latest tagged release available on the "main" branch
+                  - if `latest_commit` will use the latest available commit
+                  - if `latest_tag` will use the latest available tag (release)
                 Please see the online tutorial on annotations for details.
     materialization : "auto" | "live" | "latest" | int | bool
                 Which materialization version to search:
@@ -1309,53 +1310,76 @@ def search_annotations(x,
 
 def version_to_commit(annotation_version):
     """Map version to commit."""
-    if annotation_version == 'latest_commit':
-        return _get_available_commits()[0]['sha']
-
     # Get available tags for the repo
     tags = _get_available_annotation_versions()
 
     # If no version specified in this function
+    annotation_version_str = "unspecified"
     if annotation_version is None:
         # If no default annotation version
         if DEFAULT_ANNOTATION_VERSION is None:
-            # Use latest tagged release
+            # Use latest commit
+            annotation_version_str = "latest tagged release"
             annotation_version = tags[0]['name']
+            #annotation_version = _get_available_commits()[0]['sha']
         else:
+            annotation_version_str = f"default ({DEFAULT_ANNOTATION_VERSION})"
             annotation_version = DEFAULT_ANNOTATION_VERSION
-    elif annotation_version == 'latest_tag':
+
+    if annotation_version == 'latest_tag':
+        annotation_version_str = "latest tagged release"
         annotation_version = tags[0]['name']
+    elif annotation_version == 'latest_commit':
+        annotation_version_str = "latest commit"
+        annotation_version = _get_available_commits()[0]['sha']
+
+    # Now map the annotation version to the actual commit sha
+    sha = None
 
-    # Map annotation version to commit
-    commit = None
     # See if any of the tags match `annotation_version`
     for t in tags:
         if annotation_version == t['name']:
-            commit = t['commit']['sha']
+            sha = t['commit']['sha']
             break
-    # If no commit, look for a branch
-    if not commit:
+    # If still no commit, look for a branch
+    if not sha:
         branches = _get_available_branches()
         for b in branches:
             if annotation_version == b['name']:
-                commit = b['commit']['sha']
+                sha = b['commit']['sha']
                 break
-    # If no commit, look for an actual commit
-    if not commit:
+    # If still no commit, look for an actual commit
+    if not sha:
         all_commits = _get_available_commits()
         for c in all_commits:
             if c['sha'].startswith(annotation_version):
-                commit = c['sha']
+                sha = c['sha']
                 break
 
     # If still no commit, raise error
-    if not commit:
+    if not sha:
         raise ValueError(f'`annotation_version="{annotation_version}"` could not '
                          'be mapped to a commit.\n'
                          f'Available versions are: {", ".join([t["name"] for t in tags])}\n'
                          f'Available branches are: {", ".join([b["name"] for b in branches])}')
 
-    return commit
+    # Report which version we are using on first call
+    global _CURRENT_ANNOTATION_COMMIT
+    if _CURRENT_ANNOTATION_COMMIT != sha:
+        all_commits = _get_available_commits()
+        for c in all_commits:
+            if c['sha'] == sha:
+                commit = c
+                break
+        try:
+            # This works if we have a commit date
+            date = f" from {dt.datetime.fromisoformat(commit['commit']['author']['date']).date()}"
+        except BaseException:
+            date = ''
+        print(f'Using annotation version "{annotation_version_str}" ({sha[:7]}{date}) from https://github.com/flyconnectome/flywire_annotations.')
+        _CURRENT_ANNOTATION_COMMIT = sha
+
+    return sha
 
 
 def clear_cached_annotations():
@@ -1399,9 +1423,9 @@ def get_hierarchical_annotations(annotation_version=None,
                          - if `None` (default), will use in order:
                              1. The version set by ``flywire.set_default_annotation_version()``
                              2. The version set by environment variable ``FLYWIRE_DEFAULT_ANNOTATION_VERSION``
-                             3. The latest commit available on the "main" branch
-                         - if `latest_commit` will use the latest available release
-                         - if `latest_tag` will use the latest available tag
+                             3. The latest tagged release available on the "main" branch
+                         - if `latest_commit` will use the latest available commit
+                         - if `latest_tag` will use the latest available tag (release)
                         Please see the online tutorial on annotations for details.
     materialization :   "live" | "latest" | int, optional
                         Which materialization you want the root IDs to correspond to:
@@ -2243,7 +2267,9 @@ def set_default_annotation_version(version):
     tags = [t['name'] for t in _get_available_annotation_versions()]
 
     if version:
-        if version in branches:
+        if version in ('latest_commit', 'latest_tag'):
+            pass
+        elif version in branches:
             print(f'Default annotation version set to latest commit in branch "{version}".')
         elif version in tags:
             print(f'Default annotation version set to tag "{version}".')
@@ -2254,5 +2280,5 @@ def set_default_annotation_version(version):
     else:
         print('Default annotation version set to `None` (will use latest release on "main" branch).')
 
-    global FLYWIRE_DEFAULT_ANNOTATION_VERSION
-    FLYWIRE_DEFAULT_ANNOTATION_VERSION = version
+    global DEFAULT_ANNOTATION_VERSION
+    DEFAULT_ANNOTATION_VERSION = version