music/records/exemplars/EX_136.acquisition.json
{
"schema": "exemplar-acquisition-proof/v1",
"verdict": "PROOF_OK",
"track_id": "EX_136",
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\SEGA\\Jet Set Radio Future Sega (Original Trac\\08 Humming the Bassline (D.S.Remix).m4a",
"sha256": "ed7a2573e79282a2181941c52ec5fff29dc66d4bd461ce1537e369e8baef6683",
"bytes": 9094272,
"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": "2026-08-07T00:59:23+00:00",
"measurements_summary": {
"duration_s": 257.941,
"sections": 22,
"baseline_bpm": 103.36,
"key": "G#",
"mode": "major",
"max_lanes": 9,
"melodic_salience": 0.7714,
"note_count": 495,
"events": {
"drops": 32,
"raises": 34,
"breaks": 1,
"tuttis": 38
},
"silence_budget": 0.0104,
"dynamic_range_db": 13.02,
"onset_type": "cold_statement",
"time_to_hook_s": 0.197,
"complexity_boundary_step_share": 0.75
},
"formula_card": "build/audio/exemplars/formula_cards/EX_136.json",
"formula_card_page": "build/audio/exemplars/formula_cards/EX_136.md",
"corpus_match": {
"matched": true,
"score": 0.91,
"title_score": 0.9,
"margin": 0.63,
"candidates": [
{
"id": "EX_136",
"t": "Humming the Bassline",
"g": "Jet Set Radio",
"score": 0.91,
"title_score": 0.9
},
{
"id": "EX_179",
"t": "Ending Theme (Balance is Restored)",
"g": "Final Fantasy VI",
"score": 0.28,
"title_score": 0.3338
},
{
"id": "EX_164",
"t": "Wind's Nocturne",
"g": "Lunar: Silver Star Story Complete",
"score": 0.2639,
"title_score": 0.2962
},
{
"id": "EX_079",
"t": "Midna's Lament",
"g": "Zelda: Twilight Princess",
"score": 0.2562,
"title_score": 0.3023
},
{
"id": "EX_057",
"t": "The Only Thing I Know For Real",
"g": "Metal Gear Rising",
"score": 0.2491,
"title_score": 0.2705
}
],
"evidence": {
"tag_title": "Humming the Bassline (D.S.Remix)",
"tag_album": "Jet Set Radio Future Sega (Original Tracks)",
"tag_artist": "Hideki Naganuma",
"filename_stem": "08 Humming the Bassline (D.S.Remix)"
}
},
"corpus_row": {
"id": "EX_136",
"t": "Humming the Bassline",
"g": "Jet Set Radio",
"c": "Hideki Naganuma",
"k": "EXPLORATION",
"s": "ACQUIRED",
"expansion": true
},
"corpus_flip": {
"flipped": true,
"from": "MISSING",
"to": "ACQUIRED"
},
"control": {
"controls_passed": 24,
"controls_total": 24,
"ran_at": "2026-08-06T16:13:37+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."
}