music/records/exemplars/UNMATCHED__25_-_Area_51.acquisition.json
{
"schema": "exemplar-acquisition-proof/v1",
"verdict": "REJECT_UNMATCHED",
"track_id": "UNMATCHED__25_-_Area_51",
"source_path": "D:\\audio\\exemplars\\DeusEx_OST\\deus_ex_soundtrack\\25 - Area 51.mp3",
"sha256": "749ca8a6a0ee882f5370f1980acbb2a8b3efb3c6a6b301ffd63c73bed4cae5b0",
"bytes": 3578140,
"source_format": "mp3",
"source_codec": "mp3",
"source_sample_rate_hz": 44100,
"lossless_source": false,
"decoder": "ffmpeg.exe :: ffmpeg version 9.0-full_build-www.gyan.dev Copyright (c) 2000-2026 the FFmpeg developers",
"measured_at": "2026-08-06T21:09:25+00:00",
"measurements_summary": {
"duration_s": 142.576,
"sections": 8,
"baseline_bpm": 152.0,
"key": "C",
"mode": "minor",
"max_lanes": 9,
"melodic_salience": 0.6645,
"note_count": 109,
"events": {
"drops": 18,
"raises": 23,
"breaks": 1,
"tuttis": 14
},
"silence_budget": 0.0197,
"dynamic_range_db": 14.72,
"onset_type": "fade_in",
"time_to_hook_s": 0.128,
"complexity_boundary_step_share": 0.333
},
"formula_card": "build/audio/exemplars/formula_cards/UNMATCHED__25_-_Area_51.json",
"formula_card_page": "build/audio/exemplars/formula_cards/UNMATCHED__25_-_Area_51.md",
"corpus_match": {
"matched": false,
"reason": "no corpus row scored above the 0.62 bar on title AND total",
"candidates": [
{
"id": "EX_124",
"t": "Deus Ex Main Title (UNATCO)",
"g": "Deus Ex",
"score": 0.3479,
"title_score": 0.0827
},
{
"id": "EX_139",
"t": "The Great Sea",
"g": "Zelda: The Wind Waker",
"score": 0.2584,
"title_score": 0.31
},
{
"id": "EX_011",
"t": "Nate's Theme",
"g": "Uncharted: Drake's Fortune",
"score": 0.2556,
"title_score": 0.2862
},
{
"id": "EX_080",
"t": "Ashes of Dreams",
"g": "NieR Gestalt & Replicant",
"score": 0.2298,
"title_score": 0.2611
},
{
"id": "EX_032",
"t": "Terra's Theme",
"g": "Final Fantasy VI",
"score": 0.2283,
"title_score": 0.2657
}
],
"evidence": {
"tag_title": "Area 51",
"tag_album": "Deus Ex Soundtrack",
"tag_artist": "Alexander Brandon",
"filename_stem": "25 - Area 51"
}
},
"corpus_row": null,
"corpus_flip": {
"flipped": false,
"reason": "not attempted"
},
"control": {
"controls_passed": 24,
"controls_total": 24,
"ran_at": "2026-08-06T20:41:42+00:00",
"ffmpeg_version": "ffmpeg version 9.0-full_build-www.gyan.dev Copyright (c) 2000-2026 the FFmpeg developers",
"note": "This measurement is admissible only because the positive control recovered its planted answers in the same process, immediately before it."
},
"legal_posture": "ANALYSIS FOR UNDERSTANDING ONLY. Audio lawfully obtained by Josh, read from disk, measured, and never copied, redistributed, or used as model input of any kind."
}