music/records/exemplars/UNMATCHED__31_Mechanical_Dragon.acquisition.json
{
"schema": "exemplar-acquisition-proof/v1",
"verdict": "REJECT_UNMATCHED",
"track_id": "UNMATCHED__31_Mechanical_Dragon",
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Christophe Héral & Billy Martin\\Rayman Legends (Original Game Soundtrack\\31 Mechanical Dragon.m4a",
"sha256": "2fccce1668cb7a530394bd3d4f9c3be763cffe9fb63faf8489daa0f9a2b521a1",
"bytes": 4508993,
"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": "2026-08-07T01:21:50+00:00",
"measurements_summary": {
"duration_s": 117.604,
"sections": 10,
"baseline_bpm": 76.0,
"key": "F",
"mode": "minor",
"max_lanes": 9,
"melodic_salience": 0.4155,
"note_count": 50,
"events": {
"drops": 14,
"raises": 12,
"breaks": 1,
"tuttis": 50
},
"silence_budget": 0.0122,
"dynamic_range_db": 9.86,
"onset_type": "ostinato_first",
"time_to_hook_s": 0.139,
"complexity_boundary_step_share": 1.0
},
"formula_card": "build/audio/exemplars/formula_cards/UNMATCHED__31_Mechanical_Dragon.json",
"formula_card_page": "build/audio/exemplars/formula_cards/UNMATCHED__31_Mechanical_Dragon.md",
"corpus_match": {
"matched": false,
"reason": "no corpus row scored above the 0.62 bar on title AND total",
"candidates": [
{
"id": "EX_094",
"t": "Escape from Vector",
"g": "Rayman Legends",
"score": 0.3618,
"title_score": 0.1632
},
{
"id": "EX_128",
"t": "Chemical Plant Zone",
"g": "Sonic the Hedgehog 2",
"score": 0.3133,
"title_score": 0.3444
},
{
"id": "EX_152",
"t": "Meridian Dance",
"g": "Secret of Mana",
"score": 0.2867,
"title_score": 0.32
},
{
"id": "EX_074",
"t": "Grandma (Destruction)",
"g": "NieR: Automata",
"score": 0.253,
"title_score": 0.2756
},
{
"id": "EX_175",
"t": "dataDyne Central: Defection",
"g": "Perfect Dark",
"score": 0.2372,
"title_score": 0.2595
}
],
"evidence": {
"tag_title": "Mechanical Dragon",
"tag_album": "Rayman Legends (Original Game Soundtrack)",
"tag_artist": "Christophe Héral",
"filename_stem": "31 Mechanical Dragon"
}
},
"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."
}