music/records/exemplars/EX_018.acquisition.json
{
"schema": "exemplar-acquisition-proof/v1",
"verdict": "PROOF_OK",
"track_id": "EX_018",
"source_path": "D:\\audio\\exemplars\\C418 - Minecraft - Volume Alpha\\C418 - Minecraft - Volume Alpha - 03 Subwoofer Lullaby.flac",
"sha256": "bfb0716f6e181f12bf85870301c322caeeaccabbd5d638f51b8d72557ed60804",
"bytes": 10259814,
"source_format": "flac",
"source_codec": "flac",
"source_sample_rate_hz": 44100,
"lossless_source": true,
"decoder": "ffmpeg.exe :: ffmpeg version 9.0-full_build-www.gyan.dev Copyright (c) 2000-2026 the FFmpeg developers",
"measured_at": "2026-08-07T12:00:43+00:00",
"measurements_summary": {
"duration_s": 208.563,
"sections": 15,
"baseline_bpm": 136.0,
"key": "C",
"mode": "major",
"max_lanes": 9,
"melodic_salience": 0.9241,
"note_count": 363,
"events": {
"drops": 33,
"raises": 40,
"breaks": 3,
"tuttis": 1
},
"silence_budget": 0.0134,
"dynamic_range_db": 27.14,
"onset_type": "solo_lead",
"time_to_hook_s": 0.035,
"complexity_boundary_step_share": 0.206
},
"formula_card": "build/audio/exemplars/formula_cards/EX_018.json",
"formula_card_page": "build/audio/exemplars/formula_cards/EX_018.md",
"corpus_match": {
"matched": true,
"score": 0.98,
"title_score": 1.0,
"margin": 0.5868,
"game_agreement": {
"score": 1.0,
"method": "token_coverage",
"row_game": "Minecraft",
"evidence": "Minecraft - Volume Alpha",
"evidence_source": "tag:album"
},
"candidates": [
{
"id": "EX_018",
"t": "Subwoofer Lullaby",
"g": "Minecraft",
"score": 0.98,
"title_score": 1.0,
"game_agreement": 1.0,
"game_agreement_method": "token_coverage",
"game_eligible": true
},
{
"id": "EX_017",
"t": "Sweden",
"g": "Minecraft",
"score": 0.3932,
"title_score": 0.1617,
"game_agreement": 1.0,
"game_agreement_method": "token_coverage",
"game_eligible": true
}
],
"evidence": {
"tag_title": "Subwoofer Lullaby",
"tag_album": "Minecraft - Volume Alpha",
"tag_artist": "C418",
"filename_stem": "C418 - Minecraft - Volume Alpha - 03 Subwoofer Lullaby",
"game_evidence": [
{
"source": "tag:album",
"text": "Minecraft - Volume Alpha"
},
{
"source": "folder:-1",
"text": "C418 - Minecraft - Volume Alpha"
},
{
"source": "filename",
"text": "C418 - Minecraft - Volume Alpha - 03 Subwoofer Lullaby"
}
],
"game_floor": 0.75
}
},
"corpus_row": {
"id": "EX_018",
"t": "Subwoofer Lullaby",
"g": "Minecraft",
"c": "C418",
"k": "EXPLORATION",
"s": "ACQUIRED"
},
"corpus_flip": {
"flipped": true,
"from": "MISSING",
"to": "ACQUIRED"
},
"control": {
"controls_passed": 31,
"controls_total": 31,
"ran_at": "2026-08-07T11:59:51+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."
}