{
  "schema_version": 1,
  "date": "2026-10-06",
  "timezone": "America/Los_Angeles",
  "scope": "developer-selected speaker-disjoint two-TTS-family internal diagnostic of a historical JavaScript detector snapshot; not current detector validation",
  "registered": 192,
  "fixed_threshold": 0.5,
  "results": [
    {
      "partition": "development",
      "registered": 96,
      "human": 48,
      "synthetic": 48,
      "true_positive": 41,
      "true_negative": 15,
      "false_positive": 33,
      "false_negative": 7,
      "abstention": 0,
      "processing_error": 0,
      "correct_over_registered": 0.5833333333333334,
      "human_false_flag_over_all_human": 0.6875,
      "synthetic_miss_over_all_synthetic": 0.14583333333333334,
      "coverage": 1.0
    },
    {
      "partition": "evaluation",
      "registered": 96,
      "human": 48,
      "synthetic": 48,
      "true_positive": 40,
      "true_negative": 26,
      "false_positive": 22,
      "false_negative": 8,
      "abstention": 0,
      "processing_error": 0,
      "correct_over_registered": 0.6875,
      "human_false_flag_over_all_human": 0.4583333333333333,
      "synthetic_miss_over_all_synthetic": 0.16666666666666666,
      "coverage": 1.0
    },
    {
      "partition": "combined",
      "registered": 192,
      "human": 96,
      "synthetic": 96,
      "true_positive": 81,
      "true_negative": 41,
      "false_positive": 55,
      "false_negative": 15,
      "abstention": 0,
      "processing_error": 0,
      "correct_over_registered": 0.6354166666666666,
      "human_false_flag_over_all_human": 0.5729166666666666,
      "synthetic_miss_over_all_synthetic": 0.15625,
      "coverage": 1.0
    }
  ],
  "pins": {
    "engine_sha256": "ca6a48f4f408ec1f83e54546c036dfb8f84c47c0ca9336c7e20ca642cd8b2e51",
    "score_deposit_sha256": "dda43bb0d6e680f358d9e7748130dc426a3739f0e916188f263cdc343616686f",
    "selection_sha256": "b87a343a59677d28a25907efcea7ac0f1a3ed656a1bdd513ad4195b3149f10d0",
    "analysis_sha256": "f0648dff9d451daea7f543f975e2a2ca946ecd3001b8b0abde9b5ab689d89b01",
    "internal_audit_sha256": "345545385854b0037242985af6f124b0e56d653f95ef34b261f9b00a2d8f3089",
    "acquisition_reconciliation_sha256": "2588cf9b91712d4fadf09e45d2f84032cd8caf61a779a7a38e8a2353300734d5"
  },
  "acquisition": {
    "archives": 13,
    "network_bytes": 104817612800,
    "selected_audio_files": 192,
    "original_selected_hashes_verified": 192,
    "publisher_md5_assurance": "bound to pinned acquisition streamer; discarded archives not independently replayed"
  },
  "preprocessing": "original channel0 selected; native sample rate and frame count; float64 decode to mono float32 WAV; no resampling or normalization",
  "limitations": [
    "developer selected; no independent blinded custodian",
    "two base TTS families with a shared vocoder and related adversarial derivative; not four-family generalization",
    "source-utterance/channel linkage and synthesis-training exposure unknown",
    "scores uncalibrated; no speaker authentication, streaming, radio or general-population claim",
    "historical frozen detector; current deployed implementation not validated by these results",
    "descriptive fractions; no confirmatory statistical test or population confidence interval",
    "publisher database terms documented; separate synthetic-content reuse rights unresolved; no audio redistribution"
  ],
  "external_spending_usd": 0,
  "electricity_measured": false
}