{
  "id": "facebook-w2v-bert-2-0",
  "name": "w2v-bert-2.0",
  "developer": "Meta",
  "family": "w2v-bert-2.0",
  "variant": "w2v-bert-2.0",
  "model": {
    "parameters": "0.580493B",
    "total_parameters_billions": 0.58049312,
    "context": {
      "value": null,
      "display": "Not declared in checked config/model card",
      "status": "not-disclosed",
      "evidence": []
    },
    "modality": "Embeddings / features",
    "tags": [
      "transformers",
      "safetensors",
      "wav2vec2-bert",
      "feature-extraction",
      "af",
      "am",
      "ar",
      "as",
      "az",
      "be",
      "bn",
      "bs",
      "bg",
      "ca",
      "cs",
      "zh",
      "cy",
      "da",
      "de",
      "el"
    ]
  },
  "weights": {
    "status": "verified-available",
    "repository": "https://huggingface.co/facebook/w2v-bert-2.0",
    "access": "public",
    "exact_files": [
      "conformer_shaw.pt",
      "model.safetensors"
    ],
    "file_count": 2,
    "formats": [
      "Safetensors",
      "PyTorch"
    ],
    "precision_availability": {
      "bf16": {
        "available": false,
        "status": "verified"
      },
      "fp16": {
        "available": false,
        "status": "verified"
      },
      "fp8": {
        "available": false,
        "status": "verified"
      },
      "int8": {
        "available": false,
        "status": "verified"
      },
      "int4": {
        "available": false,
        "status": "verified"
      },
      "gguf": {
        "available": false,
        "status": "verified"
      }
    },
    "dtype_evidence": [
      "F32",
      "FLOAT32"
    ],
    "evidence": [
      {
        "source": "https://huggingface.co/api/models/facebook/w2v-bert-2.0",
        "type": "Hugging Face model API siblings"
      }
    ]
  },
  "license": {
    "id": "mit",
    "name": "MIT",
    "url": null,
    "status": "verified",
    "commercial_use": {
      "status": "allowed",
      "label": "Commercial use allowed under MIT conditions",
      "basis": null
    },
    "repository_license_files": [],
    "verification": {
      "status": "metadata-only",
      "checked_at": "2026-10-02",
      "source": null
    }
  },
  "hardware": {
    "status": "estimated",
    "weight_only_gb": {
      "bf16_fp16": 1.16,
      "fp8_int8": 0.58,
      "int4": 0.29
    },
    "note": "Weight-only decimal-GB estimate from total parameter count; excludes KV cache, activations, runtime overhead, optimizer state and sharding."
  },
  "lineage": {
    "family": "w2v-bert-2.0",
    "variant": "w2v-bert-2.0",
    "base_model": {
      "status": "not-declared",
      "models": [],
      "relation": null,
      "evidence": []
    }
  },
  "training_assets": {
    "training_recipe": {
      "status": "training-or-recipe-links-present",
      "files": [],
      "links": [
        "https://huggingface.co/blog/fine-tune-w2v2-bert",
        "https://github.com/huggingface/transformers/blob/main/examples/pytorch/speech-recognition/run_speech_recognition_ctc.py"
      ],
      "evidence": []
    },
    "data_disclosure": {
      "status": "not-disclosed-in-standard-metadata-or-obvious-model-card-section",
      "datasets": [],
      "evidence": []
    },
    "evaluations": "Not classified by automated verifier",
    "intermediate_checkpoints": "Not classified by automated verifier"
  },
  "sources": [
    {
      "type": "model_repository",
      "url": "https://huggingface.co/facebook/w2v-bert-2.0",
      "tier": "primary"
    },
    {
      "type": "model_api",
      "url": "https://huggingface.co/api/models/facebook/w2v-bert-2.0",
      "tier": "primary"
    },
    {
      "type": "model_card",
      "url": "https://huggingface.co/facebook/w2v-bert-2.0/blob/main/README.md",
      "tier": "primary",
      "available": true
    },
    {
      "type": "config",
      "url": "https://huggingface.co/facebook/w2v-bert-2.0/blob/main/config.json",
      "tier": "primary",
      "available": true
    }
  ],
  "verification": {
    "level": "field-verified",
    "checked_at": "2026-10-03",
    "checked_at_iso": "2026-10-03T11:09:10+00:00",
    "method": "Hugging Face API + repository file list + model card + config.json",
    "mode": "repository-revision-unchanged",
    "full_verified_at": "2026-10-02",
    "readme_accessible": true,
    "config_accessible": true,
    "fields": {
      "license": "verified",
      "commercial_use": "classified",
      "context": "not-disclosed",
      "weight_files": "verified",
      "formats": "verified",
      "base_model": "not-declared",
      "training_recipe": "not-disclosed-in-checked-repository",
      "data_disclosure": "not-disclosed-in-standard-metadata-or-obvious-model-card-section",
      "runtime_support": "source-derived-not-runtime-tested"
    },
    "history": [
      {
        "date": "2026-10-03",
        "event": "Repository revision check",
        "detail": "Official Hugging Face repository SHA unchanged; prior field evidence retained."
      },
      {
        "date": "2026-10-02",
        "event": "Repository revision check",
        "detail": "Official Hugging Face repository SHA unchanged; prior field evidence retained."
      },
      {
        "date": "2026-10-02",
        "event": "Field-by-field verification",
        "detail": "Checked Hugging Face API metadata, exact repository file list, model card and config when accessible."
      },
      {
        "date": "2026-10-02",
        "event": "Registry record created",
        "detail": "Previous verification level: discovered-pending."
      }
    ]
  },
  "discovery": {
    "source": "Hugging Face public model index",
    "repo_id": "facebook/w2v-bert-2.0",
    "rank": 325,
    "downloads": 1668431,
    "likes": 233,
    "last_modified": "2024-01-25T13:51:13+00:00",
    "created_at": "2023-12-19T07:41:49+00:00",
    "library_name": "transformers",
    "pipeline_tag": "feature-extraction",
    "discovered_at": "2026-10-03T11:09:08+00:00",
    "pinned": false
  },
  "runtime_support": {
    "declared_library": "Transformers",
    "pipeline_tag": "feature-extraction",
    "declared": [
      "Transformers"
    ],
    "mentioned_in_model_card": [],
    "artifact_signals": [],
    "tested_by_openmodelweights": false
  },
  "hub": {
    "last_modified": "2024-01-25T13:51:13.000Z",
    "created_at": "2023-12-19T07:41:49.000Z",
    "downloads": 1668431,
    "likes": 233,
    "sha": "da985ba0987f70aaeb84a80f2851cfac8c697a7b",
    "library_name": "transformers",
    "pipeline_tag": "feature-extraction",
    "tags": [
      "transformers",
      "safetensors",
      "wav2vec2-bert",
      "feature-extraction",
      "af",
      "am",
      "ar",
      "as",
      "az",
      "be",
      "bn",
      "bs",
      "bg",
      "ca",
      "cs",
      "zh",
      "cy",
      "da",
      "de",
      "el",
      "en",
      "et",
      "fi",
      "fr",
      "or",
      "om",
      "ga",
      "gl",
      "gu",
      "ha",
      "he",
      "hi",
      "hr",
      "hu",
      "hy",
      "ig",
      "id",
      "is",
      "it",
      "jv",
      "ja",
      "kn",
      "ka",
      "kk",
      "mn",
      "km",
      "ky",
      "ko",
      "lo",
      "ln",
      "lt",
      "lb",
      "lg",
      "lv",
      "ml",
      "mr",
      "mk",
      "mt",
      "mi",
      "my",
      "nl",
      "nb",
      "ne",
      "ny",
      "oc",
      "pa",
      "ps",
      "fa",
      "pl",
      "pt",
      "ro",
      "ru",
      "sk",
      "sl",
      "sn",
      "sd",
      "so",
      "es",
      "sr",
      "sv",
      "sw",
      "ta",
      "te",
      "tg",
      "tl",
      "th",
      "tr",
      "uk",
      "ur",
      "uz",
      "vi",
      "wo",
      "xh",
      "yo",
      "ms",
      "zu",
      "ary",
      "arz",
      "yue",
      "kea",
      "arxiv:2312.05187",
      "license:mit",
      "deploy:azure",
      "region:us"
    ]
  }
}