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  "hashAlgorithm": "SHA-256",
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  "title": "n10001",
  "uploadedAt": "2026-07-27T09:49:36.009Z",
  "proofPath": "library/n10001-2026-07-27T09-49-36-009Z/source-proof.json",
  "proofUrl": "https://spine-link.vercel.app/assets/library/n10001-2026-07-27T09-49-36-009Z/source-proof.json?v=2026-07-27T09-49-36.009Z",
  "uploader": {
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    "anonymousAccountId": "anon_1120rdv_bj72ux",
    "anonymousFingerprint": "1120rdv",
    "browserFingerprintSha256": "79cf820a85e4074bce2be9e43363dff8400716ca005389e9c112e74427014883",
    "browserEnvironmentHashSha256": "37388ee1518f98f6c84861754d0419005bf097e730ad83b5682ef7159a06103f",
    "browserEnvironment": {
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      "platform": "Win32",
      "language": "ja",
      "languages": [
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      "hardwareConcurrency": 13,
      "deviceMemory": 32,
      "screen": {
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        "height": 1440,
        "colorDepth": 24,
        "pixelRatio": 1
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      "timezone": "Asia/Tokyo",
      "timezoneOffset": -540,
      "maxTouchPoints": 0,
      "cookieEnabled": true
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  "github": {
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    "branch": "main",
    "previewPath": "library/n10001-2026-07-27T09-49-36-009Z"
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  "blockchain": {
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    "recommendedAnchorPayload": "sha256:96641e01bcc046f3a062546f2b1c8547486c21b798121b1a3c8cf7e60ddc8946",
    "note": "Anchor proofHash on-chain together with the GitHub commit/file path to timestamp the original upload evidence."
  },
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