Retire legacy dataset references

README.md

@@ -27,7 +27,7 @@ The included Icefall inference script retains its upstream Apache-2.0 source-cod
 
 ## Training data
 
-- [Common Voice 23.0 Spanish](https://datacollective.mozillafoundation.org/datasets/cmflnuzw51ddgmwjkxpm9z1lw), CC0-1.0.
+- [Common Voice 23.0 Spanish](https://mozilladatacollective.com/datasets/cmj8u3pe600fhnxxbqol7x8bg), CC0-1.0.
 - [OpenSLR72 Colombian Spanish](https://www.openslr.org/72/), CC BY-SA 4.0.
 - [TinyVox Spanish](https://talkbank.org/phon/access/Derived/TinyVox.html), CC BY-NC-SA 3.0; source-hosted only.
 
@@ -169,13 +169,20 @@ is an explicit source-reproducibility limit rather than a claim that current
 The two public companion datasets expose the accepted Common Voice and SLR72
 rows, but exact training additionally requires:
 
-- the pinned full source repositories `bookbot/common_voice_23_0_es` at
-  `591a99e9c5c9e308231746c7baa03eadfe670483` and
-  `bookbot/slr72_dataset` at
-  `e7c9924b964eecbdcba1181add860367d3c7ca3a`;
+- pinned full-source snapshots obtained from
+  [Mozilla Data Collective](https://mozilladatacollective.com/datasets/cmj8u3pe600fhnxxbqol7x8bg)
+  and [OpenSLR72](https://www.openslr.org/72/), identified by historical
+  preparation revisions `591a99e9c5c9e308231746c7baa03eadfe670483` and
+  `e7c9924b964eecbdcba1181add860367d3c7ca3a`, respectively;
 - an existing verified Common Voice/SLR72 Lhotse fbank store;
 - locally obtained TinyVox Spanish data and the licensed alignment lexicon.
 
+Bookbot no longer hosts those full historical source snapshots. Exact
+preparation therefore requires preserved local copies matching the recorded
+revision and manifest hashes. The versioned IPA datasets above contain only
+accepted final cuts and cannot replace the larger full-source inputs in this
+historical preparation command.
+
 TinyVox is not redistributed here. Obtain it from TalkBank and comply with
 CC BY-NC-SA 3.0 and the TalkBank Ground Rules. With those prerequisites, the
 historical preparation stages are:

SHA256SUMS

@@ -1,5 +1,5 @@
 1301f5da1d189f21124a38b721bb9be7b3ba5d8ddacd7b9da4fbe5777cabfddf  .gitattributes
-95292c575186406d589c4d9736a5257db87e07f5f8fb4feca4062fd7e794df8c  README.md
+7798701a64d866f716cbfae7f29cd5881c19d865b9352e730a0f37d9a41928a4  README.md
 e6704a4c639f94e7361fb07d6fac698d3ea0c67d8f3eecef4ad6c0423013b646  epoch-80.pt
 d5cde97d82c214da39c3d9decffa84eaf6b15869c7b6521d2f184a2e59ad30e5  evaluated-avg-76-80.pt
 a0e2c1f3d0328595288a2faff77d1adfd30fa5070a61ed869091f643f593e377  jit_script_chunk_16_left_128.pt
@@ -15,7 +15,7 @@ cac4637b2c4844ea18624eed6676c8ba84cdd1135ca4b397cef5b97600db3b82  data/lang_phon
 df966241e868574effd699220a9a152127299e597a84fc4aef8f8dcd85598317  data/lang_phone/words.txt
 d9b7ab428ce395ae446f5aa5a8aba4f61ba0b41013da487a780249eec23f95f7  test_waves/README.txt
 4b3a5651a9df2b796904239873f23799ed0fe90e9b9fe511feb47288b7c21c86  test_waves/common_voice_es_19696062.wav
-a0ab749b25614da7fa59ea1c3cf1174096c39ccc067959d2533ab4100622dad6  streaming/evaluation-common-voice-23-0-es-slr72.json
+0773be57c5f3673b5d17ab777244f49fa19e358500e7f27f155b26bca3c41147  streaming/evaluation-common-voice-23-0-es-slr72.json
 bef68d78a9602160c97c123f5c974bc4784553afafb60cfd7c28826115ed51d7  tensorboard/events.out.tfevents.1790163322.Bookbot-GPU1.1704718.0
 66723a421beddb1c2215e5da6fd265e6547265be30242f229893ab0f092789fa  log/log-train-2026-09-23-21-35-22-0
 32b940810543686bd00454fa29a56075039a26c6022f8e7a4a42a1989c60579d  log/log-train-2026-09-23-21-35-22-1

streaming/evaluation-common-voice-23-0-es-slr72.json

@@ -16,7 +16,7 @@
   },
   "corpora": {
     "common_voice_23_0_es_test": {
-      "source_manifest": "hf://datasets/bookbot/common_voice_23_0_es/manifest.tsv",
+      "source_distribution": "https://mozilladatacollective.com/datasets/cmj8u3pe600fhnxxbqol7x8bg",
       "source_manifest_sha256": "ca5e485fd427ca33802293a228b534e1ebb0a14e6f7187bf04f51dc56702d35c",
       "preparation_revision": "591a99e9c5c9e308231746c7baa03eadfe670483",
       "source_test_rows": 15893,
@@ -29,7 +29,7 @@
       "overlap_note": "This official test split is reused by the recipe for validation."
     },
     "slr72_test": {
-      "source_manifest": "hf://datasets/bookbot/slr72_dataset/manifest.tsv",
+      "source_distribution": "https://www.openslr.org/72/",
       "source_manifest_sha256": "fda09e2a168617d6eebabe6553b93ee0b6cce654d26e050cb3482b41718c7d27",
       "preparation_revision": "e7c9924b964eecbdcba1181add860367d3c7ca3a",
       "source_test_rows": 981,