music/records/exemplars/UNMATCHED__04_Shape_da_Future.acquisition.json
{
"schema": "exemplar-acquisition-proof/v1",
"verdict": "REJECT_UNMATCHED",
"track_id": "UNMATCHED__04_Shape_da_Future",
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\SEGA\\Jet Set Radio Future Sega (Original Trac\\04 Shape da Future.m4a",
"sha256": "892db4570ff5a3352b655485ed9b6717ed819c89531a972f42ee84d261f13e2c",
"bytes": 8232253,
"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": "2026-08-07T05:25:18+00:00",
"measurements_summary": {
"duration_s": 229.006,
"sections": 10,
"baseline_bpm": 258.4,
"key": "G#",
"mode": "major",
"max_lanes": 9,
"melodic_salience": 0.2859,
"note_count": 65,
"events": {
"drops": 18,
"raises": 9,
"breaks": 1,
"tuttis": 21
},
"silence_budget": 0.0114,
"dynamic_range_db": 8.39,
"onset_type": "fade_in",
"time_to_hook_s": 20.55,
"complexity_boundary_step_share": 0.417
},
"formula_card": "build/audio/exemplars/formula_cards/UNMATCHED__04_Shape_da_Future.json",
"formula_card_page": "build/audio/exemplars/formula_cards/UNMATCHED__04_Shape_da_Future.md",
"corpus_match": {
"matched": false,
"reason": "no corpus row scored above the 0.62 bar on title AND total",
"candidates": [
{
"id": "EX_136",
"t": "Humming the Bassline",
"g": "Jet Set Radio",
"score": 0.3566,
"title_score": 0.1094
},
{
"id": "EX_106",
"t": "Suteki Da Ne",
"g": "Final Fantasy X",
"score": 0.3216,
"title_score": 0.3975
},
{
"id": "EX_080",
"t": "Ashes of Dreams",
"g": "NieR Gestalt & Replicant",
"score": 0.2755,
"title_score": 0.3215
},
{
"id": "EX_094",
"t": "Escape from Vector",
"g": "Rayman Legends",
"score": 0.2628,
"title_score": 0.3006
},
{
"id": "EX_151",
"t": "Escape from the City",
"g": "Sonic Adventure 2",
"score": 0.2605,
"title_score": 0.28
}
],
"evidence": {
"tag_title": "Shape da Future",
"tag_album": "Jet Set Radio Future Sega (Original Tracks)",
"tag_artist": "Hideki Naganuma",
"filename_stem": "04 Shape da Future"
}
},
"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."
}