{
  "claim": "OpenAI/Google export-source patterns; not SynthID detection",
  "artifact_sha256": "0e94e565c181416e4f63a2bfc06cd5179f4201befda7481ac510f6a168c612f4",
  "classes": ["openai", "google", "unknown"],
  "public_qwen_originals": {
    "dataset": "Qwen/Qwen-Image-Bench",
    "revision": "d2493deb153b020cf169c7e3f57d15e4dd697038",
    "label_provenance": "dataset uploader assertion, not per-file signed source",
    "selection_status": "opened before this candidate; regression, not independent validation",
    "openai": {"n": 200, "correct": 198},
    "google": {"n": 200, "correct": 196},
    "flux_unknown": {"n": 200, "correct": 200}
  },
  "camera_controls": {
    "dataset": "lightcella/photo-corpus",
    "revision": "8d960ee416e50a13f5c73d71f47dc37ee3c1da11",
    "shard": "oi/oi-0002.tar",
    "selection_status": "prefix and qualification fixed before scoring this model",
    "origin_caveat": "camera EXIF is not cryptographic human-origin proof",
    "n_sources": 42,
    "false_provider_matches": {
      "original": 0,
      "jpeg95_420": 0,
      "jpeg75_420": 0,
      "bilinear_max1024": 0
    }
  }
}