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        "source_key_absent_before_contribution": true,
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          "token_count",
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        "phone-like",
        "PESEL-like",
        "letter ratio"
      ],
      "selection": {
        "columns_excluded": [
          "audio",
          "client_id",
          "age",
          "gender",
          "accents",
          "variant",
          "path"
        ],
        "language": "Polish",
        "locale": "pl",
        "split": "validated"
      },
      "source_path": "src/fetch_common_voice_pl.py",
      "tokenizer": "cl100k_base"
    },
    "environment": {
      "determinism": {
        "sampling": "hash-ranked sample only",
        "seed": "sha256(sample:id)"
      },
      "machine": "AMD64",
      "packages": {
        "duckdb": "1.5.5",
        "pyarrow": "25.0.1",
        "tiktoken": "0.14.0"
      },
      "platform": "Windows-10-10.0.26200-SP0",
      "python": "3.11.9 (tags/v3.11.9:de54cf5, Apr  2 2024, 10:12:12) [MSC v.1938 64 bit (AMD64)]"
    },
    "finished_at": "2026-09-05T12:00:00Z",
    "git_commit": "2e3e62d374df8cad50e443a356e2c2bec86e10b4",
    "id": "common-voice-pl-v26-20260905T120000Z",
    "inputs": [
      {
        "role": "official_upstream",
        "version_id": "mdc://dataset/cmqinmu2a00winq07gyrtri0q@26.0"
      },
      {
        "role": "access_mirror",
        "version_id": "hf://datasets/Peacockery/common-voice-scripted-speech-26@b4d8b94d43831475de59a455345acf6945cfd66e"
      },
      {
        "role": "target_base",
        "version_id": "hf://datasets/SlayerLab/polish-dynaword@a916edecabc2be8832e08fb2bd9dfafcc1d2dd71"
      }
    ],
    "outputs": [
      {
        "role": "dataset_source",
        "version_id": "slayer://version/dataset-source/common_voice_pl@sha256:097ceddeda1333d9a400bbfcbfac885cc9b9b62760c752da1bfd3f8f41225545"
      }
    ],
    "protocol_version_id": "slayer://version/protocol/common_voice_pl-text-projection@sha256:8d74ca15c0a1584b8ba094ae8926fbeddfbd0490fb1b096a25d21acda1912d05",
    "started_at": "2026-09-05T12:00:00Z"
  },
  "schema_version": "slayer.ai/dataset-source-contribution/v1",
  "version": {
    "created_at": "2026-09-05T12:00:00Z",
    "created_by": "hf:PiotrSty",
    "digest": "sha256:097ceddeda1333d9a400bbfcbfac885cc9b9b62760c752da1bfd3f8f41225545",
    "id": "slayer://version/dataset-source/common_voice_pl@sha256:097ceddeda1333d9a400bbfcbfac885cc9b9b62760c752da1bfd3f8f41225545",
    "object_id": "slayer://object/dataset-source/common_voice_pl",
    "payload_uri": "hf://datasets/PiotrSty/common-voice-pl-text@2e3e62d374df8cad50e443a356e2c2bec86e10b4/data/train-00000-of-00001.parquet",
    "schema_version": "slayer.ai/dataset-source/v1"
  }
}