{
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    "D21": "2026-10-22",
    "D63": "2026-12-21"
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  "_note": "manifest 은 발행 직후 생성되며 이후 수정되지 않는다. SHA256 해시로 사전 등록 시점의 파일 내용을 증명한다.",
  "approved_by": "auto"
}