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    "git_commit": "5e094782dd0926475350533a54e0e6150ceb2494",
    "git_path": "site/challenges/sc-graph-001/boundary-explanation-v2.mp4"
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  "captions": "Burned-in English explanations; optional explanations.vtt and transcript.txt",
  "audio": "Music only; no spoken voice. Identical copied AAC payload from the approved original, previously qualified at -29.8 LUFS integrated, -13.08 dBTP peak, with fades",
  "candidate_source": "48d7ab5d10da189caddbcad1dd6622e58d204940",
  "scientific_status": "NOT_ESTABLISHED",
  "independent_review": "PENDING",
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    "performer": "Kimiko Ishizaka",
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    "endorsement": "None implied",
    "rights_verification": "Publisher and pinned recording rights were checked during local media preparation. Source bytes and rights-page snapshots retained in the owner-approved local production bundle; this is not legal certification or a guarantee against automated platform claims."
  }
}