music/records/exemplars/repudiated/EX_125__20260807T064817Z.acquisition.json
{
"REPUDIATED": {
"at": "2026-08-07T06:48:17+00:00",
"was_track_id": "EX_125",
"reason": "no audio for the named game on disk; prior flip was matcher poison, see 9270acab",
"note": "This document measured a real file, but the row it was filed under is NOT that file's track. The measurement is kept; the identity claim is withdrawn. Nothing downstream may read this as the named row's card."
},
"schema": "exemplar-acquisition-proof/v1",
"verdict": "PROOF_OK",
"track_id": "EX_125",
"source_path": "D:\\audio\\exemplars\\Okami Original Soundtrack Vol. 1\\Okami Original Soundtrack Vol. 1 [MP3]\\04 - Prologue.mp3",
"sha256": "b7115c72e00c2f99a687a41b446d275d90a18645c32fb4f6c65ef5ddae56be68",
"bytes": 2220817,
"source_format": "mp3",
"source_codec": "mp3",
"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": "2026-08-06T22:14:09+00:00",
"measurements_summary": {
"duration_s": 64.227,
"sections": 8,
"baseline_bpm": 161.5,
"key": "G",
"mode": "minor",
"max_lanes": 9,
"melodic_salience": 0.7762,
"note_count": 118,
"events": {
"drops": 4,
"raises": 10,
"breaks": 1,
"tuttis": 0
},
"silence_budget": 0.0466,
"dynamic_range_db": 17.46,
"onset_type": "fade_in",
"time_to_hook_s": 0.325,
"complexity_boundary_step_share": 0.25
},
"formula_card": "build/audio/exemplars/formula_cards/EX_125.json",
"formula_card_page": "build/audio/exemplars/formula_cards/EX_125.md",
"corpus_match": {
"matched": true,
"score": 0.6901,
"title_score": 0.9,
"margin": 0.3141,
"candidates": [
{
"id": "EX_125",
"t": "Prologue ~ To the Ancient Land",
"g": "Shadow of the Colossus",
"score": 0.6901,
"title_score": 0.9
},
{
"id": "EX_184",
"t": "Rising Sun",
"g": "Okami",
"score": 0.376,
"title_score": 0.2067
},
{
"id": "EX_142",
"t": "Shinshu Field",
"g": "Okami",
"score": 0.3037,
"title_score": 0.1033
},
{
"id": "EX_006",
"t": "Chrono Trigger Main Theme",
"g": "Chrono Trigger",
"score": 0.279,
"title_score": 0.2818
},
{
"id": "EX_030",
"t": "Route 209",
"g": "Pokemon Diamond & Pearl",
"score": 0.2783,
"title_score": 0.2918
}
],
"evidence": {
"tag_title": "Prologue",
"tag_album": "Okami Original Soundtrack Vol. 1",
"tag_artist": "Masami Ueda",
"filename_stem": "04 - Prologue"
}
},
"corpus_row": {
"id": "EX_125",
"t": "Prologue ~ To the Ancient Land",
"g": "Shadow of the Colossus",
"c": "Kow Otani",
"k": "TITLE_CHARACTER",
"s": "ACQUIRED",
"expansion": true
},
"corpus_flip": {
"flipped": true,
"from": "ACQUIRED",
"to": "ACQUIRED"
},
"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."
}