music/records/exemplars/UNMATCHED__04_Rust_Dust_Guts.acquisition.json
{
"schema": "exemplar-acquisition-proof/v1",
"verdict": "REJECT_UNMATCHED",
"track_id": "UNMATCHED__04_Rust_Dust_Guts",
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Mick Gordon\\DOOM (Original Game Soundtrack)\\04 Rust, Dust & Guts.m4a",
"sha256": "c97eac0687ac369daed0c22c142997cd3bf9a2af9d3617d19ce15da96207f8b4",
"bytes": 16127718,
"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": "2026-08-07T04:47:19+00:00",
"measurements_summary": {
"duration_s": 461.854,
"sections": 9,
"baseline_bpm": 152.0,
"key": "E",
"mode": "minor",
"max_lanes": 9,
"melodic_salience": 0.6649,
"note_count": 347,
"events": {
"drops": 47,
"raises": 48,
"breaks": 3,
"tuttis": 26
},
"silence_budget": 0.0136,
"dynamic_range_db": 24.73,
"onset_type": "silence_then_hit",
"time_to_hook_s": 7.245,
"complexity_boundary_step_share": 0.2
},
"formula_card": "build/audio/exemplars/formula_cards/UNMATCHED__04_Rust_Dust_Guts.json",
"formula_card_page": "build/audio/exemplars/formula_cards/UNMATCHED__04_Rust_Dust_Guts.md",
"corpus_match": {
"matched": false,
"reason": "no corpus row scored above the 0.62 bar on title AND total",
"candidates": [
{
"id": "EX_046",
"t": "BFG Division",
"g": "Doom",
"score": 0.3145,
"title_score": 0.1431
},
{
"id": "EX_005",
"t": "The Last of Us Main Theme",
"g": "The Last of Us",
"score": 0.2666,
"title_score": 0.2952
},
{
"id": "EX_047",
"t": "The Only Thing They Fear Is You",
"g": "Doom Eternal",
"score": 0.2554,
"title_score": 0.0845
},
{
"id": "EX_065",
"t": "The First Hunter",
"g": "Bloodborne",
"score": 0.2494,
"title_score": 0.2862
},
{
"id": "EX_102",
"t": "Magus Castle",
"g": "Chrono Trigger",
"score": 0.2346,
"title_score": 0.2385
}
],
"evidence": {
"tag_title": "Rust, Dust & Guts",
"tag_album": "DOOM (Original Game Soundtrack)",
"tag_artist": "Mick Gordon",
"filename_stem": "04 Rust, Dust & Guts"
}
},
"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."
}