music/records/exemplars/UNMATCHED__Portal2-09-Almost_At_Fifty_Percent.acquisition.json
{
"schema": "exemplar-acquisition-proof/v1",
"verdict": "REJECT_UNMATCHED",
"track_id": "UNMATCHED__Portal2-09-Almost_At_Fifty_Percent",
"source_path": "D:\\audio\\exemplars\\Portal2-OST\\Portal2-09-Almost_At_Fifty_Percent.mp3",
"sha256": "cc145f616322883ae652c8dfb40257a2bc9001656599a81a0bc445e3fc2a8d77",
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"lossless_source": false,
"decoder": "ffmpeg.exe :: ffmpeg version 9.0-full_build-www.gyan.dev Copyright (c) 2000-2026 the FFmpeg developers",
"measured_at": "2026-08-06T23:06:07+00:00",
"measurements_summary": {
"duration_s": 119.014,
"sections": 10,
"baseline_bpm": 184.57,
"key": "C",
"mode": "major",
"max_lanes": 9,
"melodic_salience": 0.8523,
"note_count": 174,
"events": {
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"raises": 4,
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},
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"onset_type": "fade_in",
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"complexity_boundary_step_share": 0.429
},
"formula_card": "build/audio/exemplars/formula_cards/UNMATCHED__Portal2-09-Almost_At_Fifty_Percent.json",
"formula_card_page": "build/audio/exemplars/formula_cards/UNMATCHED__Portal2-09-Almost_At_Fifty_Percent.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": 0.3339,
"title_score": 0.1929
},
{
"id": "EX_110",
"t": "Want You Gone",
"g": "Portal 2",
"score": 0.3195,
"title_score": 0.1722
},
{
"id": "EX_111",
"t": "Exile Vilify",
"g": "Portal 2",
"score": 0.3137,
"title_score": 0.1771
},
{
"id": "EX_054",
"t": "Champion Iris Battle Theme",
"g": "Pokemon Black 2 & White 2",
"score": 0.248,
"title_score": 0.2595
},
{
"id": "EX_161",
"t": "Aria di Mezzo Carattere",
"g": "Final Fantasy VI",
"score": 0.2301,
"title_score": 0.2696
}
],
"evidence": {
"tag_title": "Almost At Fifty Percent",
"tag_album": "Portal 2: Songs to Test By - Volume 2",
"tag_artist": "Aperture Science Psychoacoustics Laboratory",
"filename_stem": "Portal2-09-Almost_At_Fifty_Percent"
}
},
"corpus_row": null,
"corpus_flip": {
"flipped": false,
"reason": "not attempted"
},
"control": {
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"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."
}