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  "hashAlgorithm": "SHA-256",
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  "proofUrl": "https://spine-link.vercel.app/assets/library/loading-2026-05-20T02-34-29-247Z/source-proof.json?v=2026-05-20T02-34-29.247Z",
  "uploader": {
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      "platform": "Win32",
      "language": "zh-CN",
      "languages": [
        "zh-CN",
        "zh",
        "en",
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      "deviceMemory": 32,
      "screen": {
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    "recommendedAnchorPayload": "sha256:e3c90604a46e0aff5b8cfc6d150c6006771fb9f786617a68d7d496b34e408d8f",
    "note": "Anchor proofHash on-chain together with the GitHub commit/file path to timestamp the original upload evidence."
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