music/records/exemplars/UNMATCHED__41_Dark_Skies.acquisition.json
{
"schema": "exemplar-acquisition-proof/v1",
"verdict": "REJECT_UNMATCHED",
"track_id": "UNMATCHED__41_Dark_Skies",
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Compilations\\Pokémon X & Pokémon Y_ Super Music Colle\\41 Dark Skies.m4a",
"sha256": "ed4ac880c0593118e0f05eb313b7728990e5a8f836d1eed37caca169e8c1cd20",
"bytes": 2935109,
"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": "2026-08-07T04:26:13+00:00",
"measurements_summary": {
"duration_s": 73.096,
"sections": 5,
"baseline_bpm": 234.91,
"key": "C",
"mode": "minor",
"max_lanes": 9,
"melodic_salience": 0.6629,
"note_count": 72,
"events": {
"drops": 5,
"raises": 3,
"breaks": 2,
"tuttis": 18
},
"silence_budget": 0.0235,
"dynamic_range_db": 8.43,
"onset_type": "fade_in",
"time_to_hook_s": 0.824,
"complexity_boundary_step_share": 0.231
},
"formula_card": "build/audio/exemplars/formula_cards/UNMATCHED__41_Dark_Skies.json",
"formula_card_page": "build/audio/exemplars/formula_cards/UNMATCHED__41_Dark_Skies.md",
"corpus_match": {
"matched": false,
"reason": "no corpus row scored above the 0.62 bar on title AND total",
"candidates": [
{
"id": "EX_069",
"t": "Dark Impetus",
"g": "KH Birth by Sleep",
"score": 0.3863,
"title_score": 0.4648
},
{
"id": "EX_127",
"t": "Dark World",
"g": "Zelda: A Link to the Past",
"score": 0.3639,
"title_score": 0.4367
},
{
"id": "EX_104",
"t": "Motor Species",
"g": "Ridge Racer Type 4",
"score": 0.2719,
"title_score": 0.3235
},
{
"id": "EX_098",
"t": "Vampire Killer",
"g": "Castlevania",
"score": 0.2703,
"title_score": 0.31
},
{
"id": "EX_114",
"t": "Scars of Time",
"g": "Chrono Cross",
"score": 0.2691,
"title_score": 0.31
}
],
"evidence": {
"tag_title": "Dark Skies",
"tag_album": "Pokémon X & Pokémon Y: Super Music Collection",
"tag_artist": "Minako Adachi & GAME FREAK",
"filename_stem": "41 Dark Skies"
}
},
"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."
}