{
  "algorithm": "Ed25519",
  "payload": {
    "version": "knotline.timestamp.v0.1",
    "subject": "Knotline — 結軸行走儀",
    "timestamp": "2026-08-28T15:03:00.481Z",
    "site": "https://knotline-instrument.csshyu.chatgpt.site",
    "sourceCommit": "cf54aac9ee7afd9a22997fab3cca825b359c4a25",
    "statement": "Self-issued cryptographic timestamp attesting to the referenced Knotline release."
  },
  "canonical": "{\"version\":\"knotline.timestamp.v0.1\",\"subject\":\"Knotline — 結軸行走儀\",\"timestamp\":\"2026-08-28T15:03:00.481Z\",\"site\":\"https://knotline-instrument.csshyu.chatgpt.site\",\"sourceCommit\":\"cf54aac9ee7afd9a22997fab3cca825b359c4a25\",\"statement\":\"Self-issued cryptographic timestamp attesting to the referenced Knotline release.\"}",
  "publicKeySpkiBase64": "MCowBQYDK2VwAyEAYjh0dPjwo+MHDs+YrNGTs57KAR/s6aM0WfHWS+fq/jQ=",
  "publicKeyFingerprintSha256": "a20634cc8075504e36cda678976fd84f229dc3c9ba8b7f787078d9ac2ca7b788",
  "signatureBase64": "mwHCE/CkAfRRKDk6bM9o7Rjr01TIcvViCoMjs7a49mY3qm/cFHJ9jGDBW2hLulPT4lQva1OKeKtMfw1BZgeMBw=="
}