music/records/exemplars/EX_046.acquisition.json
{
"schema": "exemplar-acquisition-proof/v1",
"verdict": "PROOF_OK",
"track_id": "EX_046",
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Mick Gordon\\DOOM (Original Game Soundtrack)\\11 Bfg Division.m4a",
"sha256": "23057f781ab90723dacc89034c5132a50dde732d95236ee76868a4476bdc1a14",
"bytes": 18279438,
"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": "2026-08-07T00:20:37+00:00",
"measurements_summary": {
"duration_s": 506.763,
"sections": 8,
"baseline_bpm": 152.0,
"key": "F#",
"mode": "minor",
"max_lanes": 9,
"melodic_salience": 0.5368,
"note_count": 329,
"events": {
"drops": 28,
"raises": 37,
"breaks": 5,
"tuttis": 21
},
"silence_budget": 0.011,
"dynamic_range_db": 12.54,
"onset_type": "silence_then_hit",
"time_to_hook_s": 9.578,
"complexity_boundary_step_share": 0.296
},
"formula_card": "build/audio/exemplars/formula_cards/EX_046.json",
"formula_card_page": "build/audio/exemplars/formula_cards/EX_046.md",
"corpus_match": {
"matched": true,
"score": 0.9143,
"title_score": 1.0,
"margin": 0.5941,
"candidates": [
{
"id": "EX_046",
"t": "BFG Division",
"g": "Doom",
"score": 0.9143,
"title_score": 1.0
},
{
"id": "EX_047",
"t": "The Only Thing They Fear Is You",
"g": "Doom Eternal",
"score": 0.3202,
"title_score": 0.1771
},
{
"id": "EX_007",
"t": "Frog's Theme",
"g": "Chrono Trigger",
"score": 0.2606,
"title_score": 0.2756
},
{
"id": "EX_074",
"t": "Grandma (Destruction)",
"g": "NieR: Automata",
"score": 0.2453,
"title_score": 0.28
},
{
"id": "EX_091",
"t": "Suicide Mission",
"g": "Mass Effect 2",
"score": 0.2453,
"title_score": 0.2756
}
],
"evidence": {
"tag_title": "Bfg Division",
"tag_album": "DOOM (Original Game Soundtrack)",
"tag_artist": "Mick Gordon",
"filename_stem": "11 Bfg Division"
}
},
"corpus_row": {
"id": "EX_046",
"t": "BFG Division",
"g": "Doom",
"c": "Mick Gordon",
"k": "BATTLE",
"s": "ACQUIRED"
},
"corpus_flip": {
"flipped": true,
"from": "MISSING",
"to": "ACQUIRED"
},
"control": {
"controls_passed": 24,
"controls_total": 24,
"ran_at": "2026-08-06T16:13:37+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."
}