{
  "schema_version": 1,
  "date_utc": "2026-10-06",
  "scope": "exploratory developer-run whole-recording acoustic diagnostic; not detector validation",
  "fixed_threshold": 0.5,
  "registered": 64,
  "sources": {
    "publisher": "https://www.idmt.fraunhofer.de/en/publications/datasets/ODSS-open-dataset-synthetic-speech.html",
    "deposit": "https://zenodo.org/records/8370668",
    "source_corpus": "https://www.openslr.org/109/",
    "audio_license": "CC-BY-SA-4.0",
    "source_corpus_license": "CC-BY-4.0"
  },
  "pins": {
    "score_deposit_sha256": "77f6f655c7208b6d17bfc5cb38834d29385260bbd018e987a2cc0c3b95af44e6",
    "analysis_sha256": "114dafb3c974fde1d02ef71c5ca20a564e06fc93adbe9e884234b98ab9595a88",
    "engine_sha256": "ca6a48f4f408ec1f83e54546c036dfb8f84c47c0ca9336c7e20ca642cd8b2e51",
    "prepared_manifest_sha256": "4da37a4a41e1ba511a36d382f393a4a13d65b1916a9bde230b9e08d594a1888a"
  },
  "results": {
    "development": {
      "speakers": 4,
      "records": 32,
      "synthetic_generator_directory": "fastpitch-hifigan",
      "aggregate": {
        "human": {
          "registered": 16,
          "determinate": 16,
          "correct": 5,
          "incorrect": 11,
          "processing_errors": 0,
          "abstentions": 0,
          "incorrect_fraction_registered": 0.6875,
          "incorrect_fraction_determinate": 0.6875,
          "correct_fraction_intention_to_score": 0.3125
        },
        "synthetic": {
          "registered": 16,
          "determinate": 16,
          "correct": 11,
          "incorrect": 5,
          "processing_errors": 0,
          "abstentions": 0,
          "incorrect_fraction_registered": 0.3125,
          "incorrect_fraction_determinate": 0.3125,
          "correct_fraction_intention_to_score": 0.6875
        },
        "balanced_correct_intention_to_score": 0.5
      },
      "descriptive_paired_speaker_bootstrap": {
        "seed": 20261006,
        "resamples": 10000,
        "clusters": 4,
        "percentile_indices": [
          249,
          9749
        ],
        "95_percentile_interval": [
          0.40625,
          0.59375
        ],
        "fragile_four_clusters": true
      }
    },
    "test": {
      "speakers": 4,
      "records": 32,
      "synthetic_generator_directory": "vits",
      "aggregate": {
        "human": {
          "registered": 16,
          "determinate": 16,
          "correct": 6,
          "incorrect": 10,
          "processing_errors": 0,
          "abstentions": 0,
          "incorrect_fraction_registered": 0.625,
          "incorrect_fraction_determinate": 0.625,
          "correct_fraction_intention_to_score": 0.375
        },
        "synthetic": {
          "registered": 16,
          "determinate": 16,
          "correct": 12,
          "incorrect": 4,
          "processing_errors": 0,
          "abstentions": 0,
          "incorrect_fraction_registered": 0.25,
          "incorrect_fraction_determinate": 0.25,
          "correct_fraction_intention_to_score": 0.75
        },
        "balanced_correct_intention_to_score": 0.5625
      },
      "descriptive_paired_speaker_bootstrap": {
        "seed": 20261006,
        "resamples": 10000,
        "clusters": 4,
        "percentile_indices": [
          249,
          9749
        ],
        "95_percentile_interval": [
          0.40625,
          0.78125
        ],
        "fragile_four_clusters": true
      }
    }
  },
  "limitations": [
    "Four test speakers; fragile descriptive intervals",
    "Developer-run; no independent custody",
    "Generator directory and detector-calibration speaker separation; synthesis-training exposure unknown",
    "No calibrated confidence, EER, authentication, streaming, radio or general-population claim",
    "Original ASV frozen192selection unchanged; no ASV detector result",
    "Audio and per-record score inputs remain private",
    "Metadata over-read and V1 ZIP parsing failure retained as deviations"
  ],
  "external_spending_usd": 0,
  "electricity_measured": false
}