music/records/exemplars/UNMATCHED__01_Mysterious_Swamps.acquisition.json
{
"schema": "exemplar-acquisition-proof/v1",
"verdict": "REJECT_UNMATCHED",
"track_id": "UNMATCHED__01_Mysterious_Swamps",
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Christophe Héral & Billy Martin\\Rayman Legends (Original Game Soundtrack\\01 Mysterious Swamps.m4a",
"sha256": "cedba71fdc9ea4fa6867c40b83b96039b4894589bbdedc12918d241ecd7791f2",
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"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": "2026-08-07T00:58:53+00:00",
"measurements_summary": {
"duration_s": 180.75,
"sections": 4,
"baseline_bpm": 117.45,
"key": "G#",
"mode": "major",
"max_lanes": 9,
"melodic_salience": 0.7189,
"note_count": 175,
"events": {
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"raises": 33,
"breaks": 3,
"tuttis": 18
},
"silence_budget": 0.0212,
"dynamic_range_db": 23.06,
"onset_type": "fade_in",
"time_to_hook_s": 0.093,
"complexity_boundary_step_share": 0.217
},
"formula_card": "build/audio/exemplars/formula_cards/UNMATCHED__01_Mysterious_Swamps.json",
"formula_card_page": "build/audio/exemplars/formula_cards/UNMATCHED__01_Mysterious_Swamps.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": 0.339,
"title_score": 0.1305
},
{
"id": "EX_027",
"t": "Stickerbush Symphony",
"g": "Donkey Kong Country 2",
"score": 0.2731,
"title_score": 0.3351
},
{
"id": "EX_080",
"t": "Ashes of Dreams",
"g": "NieR Gestalt & Replicant",
"score": 0.2663,
"title_score": 0.2993
},
{
"id": "EX_008",
"t": "Ezio's Family",
"g": "Assassin's Creed II",
"score": 0.2578,
"title_score": 0.2893
},
{
"id": "EX_104",
"t": "Motor Species",
"g": "Ridge Racer Type 4",
"score": 0.2545,
"title_score": 0.2893
}
],
"evidence": {
"tag_title": "Mysterious Swamps",
"tag_album": "Rayman Legends (Original Game Soundtrack)",
"tag_artist": "Christophe Héral",
"filename_stem": "01 Mysterious Swamps"
}
},
"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."
}