music/records/exemplars/UNMATCHED__Portal2-07-Ghost_of_Rattman.acquisition.json
{
"schema": "exemplar-acquisition-proof/v1",
"verdict": "REJECT_UNMATCHED",
"track_id": "UNMATCHED__Portal2-07-Ghost_of_Rattman",
"source_path": "D:\\audio\\exemplars\\Portal2-OST\\Portal2-07-Ghost_of_Rattman.mp3",
"sha256": "5cc19898252408ad6b26b6e6679193f649741de781bbb38694d65c60b63a9b56",
"bytes": 9845176,
"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": "2026-08-06T23:00:01+00:00",
"measurements_summary": {
"duration_s": 246.073,
"sections": 21,
"baseline_bpm": 161.5,
"key": "D#",
"mode": "major",
"max_lanes": 9,
"melodic_salience": 0.8446,
"note_count": 471,
"events": {
"drops": 10,
"raises": 24,
"breaks": 1,
"tuttis": 9
},
"silence_budget": 0.0176,
"dynamic_range_db": 12.77,
"onset_type": "cold_statement",
"time_to_hook_s": 0.104,
"complexity_boundary_step_share": 0.529
},
"formula_card": "build/audio/exemplars/formula_cards/UNMATCHED__Portal2-07-Ghost_of_Rattman.json",
"formula_card_page": "build/audio/exemplars/formula_cards/UNMATCHED__Portal2-07-Ghost_of_Rattman.md",
"corpus_match": {
"matched": false,
"reason": "no corpus row scored above the 0.62 bar on title AND total",
"candidates": [
{
"id": "EX_109",
"t": "Still Alive",
"g": "Portal",
"score": 0.3436,
"title_score": 0.2067
},
{
"id": "EX_110",
"t": "Want You Gone",
"g": "Portal 2",
"score": 0.3162,
"title_score": 0.1676
},
{
"id": "EX_072",
"t": "Hopes and Dreams",
"g": "Undertale",
"score": 0.2804,
"title_score": 0.3472
},
{
"id": "EX_080",
"t": "Ashes of Dreams",
"g": "NieR Gestalt & Replicant",
"score": 0.2723,
"title_score": 0.2976
},
{
"id": "EX_116",
"t": "We All Become",
"g": "Transistor",
"score": 0.2708,
"title_score": 0.343
}
],
"evidence": {
"tag_title": "Ghost of Rattman",
"tag_album": "Portal 2: Songs to Test By - Volume 1",
"tag_artist": "Aperture Science Psychoacoustics Laboratory",
"filename_stem": "Portal2-07-Ghost_of_Rattman"
}
},
"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."
}