{
  "code": {
    "converter": "forge_model/CWRU/convert_cwru.py",
    "evidence_gate": {
      "perception": [
        "confirmed",
        "weak"
      ],
      "reasoning": [
        "confirmed"
      ]
    },
    "forge_agent_commit": "8f7c384bda3faa43f1f67ac07e1eba99d48aa1a0",
    "forge_model_commit": "a88573f32fb0f50ddbe7d865c8dcbfc48f3a74b1",
    "pipeline": "forge_agent/examples/cwru/convert.py"
  },
  "dataset": "CWRU-perception",
  "generated_at": "2026-07-02T05:00:14",
  "raw_form_provenance": {
    "evidence_tier_by_class": {
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        "absent": 400,
        "confirmed": 195,
        "weak": 480
      },
      "inner_race": {
        "absent": 20,
        "confirmed": 880,
        "weak": 190
      },
      "normal": {
        "confirmed": 175
      },
      "outer_race": {
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        "confirmed": 1945,
        "weak": 415
      }
    },
    "excluded": [
      {
        "file": 3001,
        "reason": "NTN_bearing_geometry"
      },
      {
        "file": 3002,
        "reason": "NTN_bearing_geometry"
      },
      {
        "file": 3003,
        "reason": "NTN_bearing_geometry"
      },
      {
        "file": 3004,
        "reason": "NTN_bearing_geometry"
      },
      {
        "file": 3005,
        "reason": "NTN_bearing_geometry"
      },
      {
        "file": 3006,
        "reason": "NTN_bearing_geometry"
      },
      {
        "file": 3007,
        "reason": "NTN_bearing_geometry"
      },
      {
        "file": 3008,
        "reason": "NTN_bearing_geometry"
      },
      {
        "file": 191,
        "reason": "unreadable:OSError"
      }
    ],
    "files_kept": 107,
    "generation": {
      "forge_agent_commit": "8f7c384bda3faa43f1f67ac07e1eba99d48aa1a0",
      "generated_at": "2026-07-01T09:19:25",
      "params": {
        "band_topk": 4,
        "excluded": "NTN 0.028in (3001-3008) + corrupt/unreadable (191)",
        "representations": [
          "spectrum",
          "spectrogram",
          "scalogram",
          "waveform",
          "reshaped"
        ],
        "split": "bearing-wise (fault,size,position); all loads + both fs together; ~last 1/4 of each fault class -> test; normal (single bearing) -> train",
        "window_seconds": 1.0,
        "windows_per_file": null
      },
      "source": "CWRU Bearing Data Center -- 12k/48k Drive-End + Normal (.mat)",
      "tool": "forge_agent/examples/cwru/convert.py"
    },
    "records": 4905,
    "sr_crosscheck": {
      "diagnosable_confirmed": "3095/3925",
      "nondiag_weak_or_absent": "880/980"
    }
  },
  "schema": "unified 7-field SFT (query, image, annot, reasoning, cate=C, task=T-C1, metadata)",
  "source": "CWRU Bearing Data Center -- 12k/48k Drive-End + Normal (.mat), open for research use",
  "stats": {
    "reshaped": {
      "evidence_tier": {
        "confirmed": 639,
        "weak": 217
      },
      "labels": {
        "ball": 135,
        "inner_race": 214,
        "normal": 35,
        "outer_race": 472
      },
      "splits": {
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        "train": 660
      },
      "total": 856
    },
    "scalogram": {
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        "weak": 217
      },
      "labels": {
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        "inner_race": 214,
        "normal": 35,
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      },
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        "train": 660
      },
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    },
    "spectrogram": {
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      },
      "labels": {
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        "inner_race": 214,
        "normal": 35,
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      },
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        "train": 660
      },
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    },
    "waveform": {
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      },
      "labels": {
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        "inner_race": 214,
        "normal": 35,
        "outer_race": 472
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      "splits": {
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        "train": 660
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      "total": 856
    }
  }
}