music/records/exemplars/UNMATCHED__41_Nacrene_City.acquisition.json
{
"schema": "exemplar-acquisition-proof/v1",
"verdict": "REJECT_UNMATCHED",
"track_id": "UNMATCHED__41_Nacrene_City",
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Compilations\\Pokémon Black & Pokémon White_ Super Mus\\41 Nacrene City.m4a",
"sha256": "1590dc6ff7f38ce271193c1f84da20bcce34bd8a4a8f252bf276bf4f53af6870",
"bytes": 6970382,
"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": "2026-08-07T02:16:39+00:00",
"measurements_summary": {
"duration_s": 193.0,
"sections": 22,
"baseline_bpm": 129.2,
"key": "D",
"mode": "major",
"max_lanes": 9,
"melodic_salience": 0.9002,
"note_count": 434,
"events": {
"drops": 47,
"raises": 38,
"breaks": 2,
"tuttis": 13
},
"silence_budget": 0.0111,
"dynamic_range_db": 12.53,
"onset_type": "fade_in",
"time_to_hook_s": 0.557,
"complexity_boundary_step_share": 0.286
},
"formula_card": "build/audio/exemplars/formula_cards/UNMATCHED__41_Nacrene_City.json",
"formula_card_page": "build/audio/exemplars/formula_cards/UNMATCHED__41_Nacrene_City.md",
"corpus_match": {
"matched": false,
"reason": "no corpus row scored above the 0.62 bar on title AND total",
"candidates": [
{
"id": "EX_135",
"t": "Ecruteak City",
"g": "Pokemon Gold & Silver",
"score": 0.4506,
"title_score": 0.5235
},
{
"id": "EX_169",
"t": "The Submerged City",
"g": "Super Castlevania IV",
"score": 0.3873,
"title_score": 0.4605
},
{
"id": "EX_144",
"t": "Mute City",
"g": "F-Zero",
"score": 0.3761,
"title_score": 0.481
},
{
"id": "EX_151",
"t": "Escape from the City",
"g": "Sonic Adventure 2",
"score": 0.3377,
"title_score": 0.405
},
{
"id": "EX_085",
"t": "Lavender Town",
"g": "Pokemon Red & Blue",
"score": 0.2666,
"title_score": 0.2976
}
],
"evidence": {
"tag_title": "Nacrene City",
"tag_album": "Pokémon Black & Pokémon White: Super Music Collection",
"tag_artist": "Go Ichinose & GAME FREAK",
"filename_stem": "41 Nacrene City"
}
},
"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."
}