{
 "schema_version": "1.7.0",
 "id": "x_NXMC-2026-0046",
 "modified": "2026-10-19T02:33:38.839Z",
 "published": "2026-10-18T09:00:52.565Z",
 "summary": "OTel-2.0-LLM-31B-IT: structural change at 522937f (2026-09-01)",
 "details": "OTel-2.0-LLM-31B-IT: EOS changed from 106 to [1,106]; anything fine-tuned or served against the old value stops at a different token; derived parameters 30.15B to 30.56B (+418.7M, +0.84 GB of bf16 weights); architectures declared as [\"Gemma4ForConditionalGeneration\"] (was unset) (2026-09-01).\n\nRepository: https://huggingface.co/farbodtavakkoli/OTel-2.0-LLM-31B-IT. Revisions from 522937ff14a94c47b2d2960b95e474ec7ab40aa2 onward carry this change; a pin at 84e7ead1824ba47765a33403f6eda19c77f34f43 or earlier does not.\n\nChanged keys:\n- architectures: unset -> [\"Gemma4ForConditionalGeneration\"] (metadata)\n- eos_token_id: 106 -> [1,106] (tokenizer)\n- model_type: gemma4_text -> gemma4 (structural)\n- tokenizer chat_template_sha256: ae53464bf3be2580 -> 7d35f613f292abfc (template)\n\nThis record says what the change does mechanically. It is not a report that anything broke for anyone.",
 "affected": [
  {
   "ranges": [
    {
     "type": "GIT",
     "repo": "https://huggingface.co/farbodtavakkoli/OTel-2.0-LLM-31B-IT",
     "events": [
      {
       "introduced": "522937ff14a94c47b2d2960b95e474ec7ab40aa2"
      }
     ]
    }
   ],
   "database_specific": {
    "model": "farbodtavakkoli/OTel-2.0-LLM-31B-IT",
    "previous_revision": "84e7ead1824ba47765a33403f6eda19c77f34f43"
   }
  }
 ],
 "references": [
  {
   "type": "INTRODUCED",
   "url": "https://huggingface.co/farbodtavakkoli/OTel-2.0-LLM-31B-IT/commit/522937ff14a94c47b2d2960b95e474ec7ab40aa2"
  },
  {
   "type": "PACKAGE",
   "url": "https://huggingface.co/farbodtavakkoli/OTel-2.0-LLM-31B-IT"
  },
  {
   "type": "WEB",
   "url": "https://www.neurarch.com/changes-feeds/models/farbodtavakkoli/OTel-2.0-LLM-31B-IT.html"
  }
 ],
 "database_specific": {
  "source": "neurarch model change tracker",
  "model": "farbodtavakkoli/OTel-2.0-LLM-31B-IT",
  "kind": "structural",
  "classes": [
   "structural",
   "tokenizer",
   "template",
   "metadata"
  ],
  "changed_keys": [
   {
    "file": "config",
    "key": "architectures",
    "before": null,
    "after": [
     "Gemma4ForConditionalGeneration"
    ],
    "class": "metadata"
   },
   {
    "file": "config",
    "key": "eos_token_id",
    "before": 106,
    "after": [
     1,
     106
    ],
    "class": "tokenizer"
   },
   {
    "file": "config",
    "key": "model_type",
    "before": "gemma4_text",
    "after": "gemma4",
    "class": "structural"
   },
   {
    "file": "tokenizer",
    "key": "chat_template_sha256",
    "before": "ae53464bf3be2580",
    "after": "7d35f613f292abfc",
    "class": "template"
   }
  ],
  "impact": {
   "memory": true,
   "serving": true,
   "tokenizer": true,
   "licence": null
  },
  "breaking": true,
  "breaking_rule": "https://www.neurarch.com/changes-feeds/advisories/index.json#breaking_rule",
  "consequence": {
   "params": {
    "before": 30146156544,
    "after": 30564872304
   },
   "weightsGbBf16": {
    "before": 60.292,
    "after": 61.13
   },
   "trainPeakGb": {
    "before": 1630.22,
    "after": 1745.918
   },
   "fingerprint": {
    "before": "5acf84f3",
    "after": "79e55b50"
   },
   "context": null,
   "eos": {
    "before": 106,
    "after": [
     1,
     106
    ]
   },
   "bos": null
  },
  "commit_date": "2026-09-01T15:45:54.000Z",
  "detected_at": "2026-10-18T09:00:52.565Z",
  "detected_by": "backfill",
  "days_since_first_commit": 28,
  "license": "CC-BY-4.0"
 }
}