music/records/exemplars/UNMATCHED__26_SkullHacker.acquisition.json
{
"schema": "exemplar-acquisition-proof/v1",
"verdict": "REJECT_UNMATCHED",
"track_id": "UNMATCHED__26_SkullHacker",
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Mick Gordon\\DOOM (Original Game Soundtrack)\\26 SkullHacker.m4a",
"sha256": "7cd9d02350420fa0edeaab5d1cd3af69f9096e03920c6053389c6a42aab551ba",
"bytes": 15635118,
"source_format": "mov,mp4,m4a,3gp,3g2,mj2",
"source_codec": "aac",
"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": "2026-08-07T05:13:23+00:00",
"measurements_summary": {
"duration_s": 435.852,
"sections": 10,
"baseline_bpm": 117.45,
"key": "D#",
"mode": "minor",
"max_lanes": 9,
"melodic_salience": 0.8503,
"note_count": 552,
"events": {
"drops": 81,
"raises": 42,
"breaks": 3,
"tuttis": 50
},
"silence_budget": 0.0135,
"dynamic_range_db": 21.06,
"onset_type": "silence_then_hit",
"time_to_hook_s": 11.099,
"complexity_boundary_step_share": 0.259
},
"formula_card": "build/audio/exemplars/formula_cards/UNMATCHED__26_SkullHacker.json",
"formula_card_page": "build/audio/exemplars/formula_cards/UNMATCHED__26_SkullHacker.md",
"corpus_match": {
"matched": false,
"reason": "no corpus row scored above the 0.62 bar on title AND total",
"candidates": [
{
"id": "EX_066",
"t": "Soul of Cinder",
"g": "Dark Souls III",
"score": 0.2825,
"title_score": 0.3382
},
{
"id": "EX_046",
"t": "BFG Division",
"g": "Doom",
"score": 0.2811,
"title_score": 0.0954
},
{
"id": "EX_095",
"t": "Unshaken",
"g": "Red Dead Redemption 2",
"score": 0.2728,
"title_score": 0.3263
},
{
"id": "EX_047",
"t": "The Only Thing They Fear Is You",
"g": "Doom Eternal",
"score": 0.2597,
"title_score": 0.0907
},
{
"id": "EX_176",
"t": "Sly Cooper Main Theme",
"g": "Sly Cooper and the Thievius Raccoonus",
"score": 0.2518,
"title_score": 0.2952
}
],
"evidence": {
"tag_title": "SkullHacker",
"tag_album": "DOOM (Original Game Soundtrack)",
"tag_artist": "Mick Gordon",
"filename_stem": "26 SkullHacker"
}
},
"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."
}