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  "proofUrl": "https://spine-link.vercel.app/assets/library/ch0095_spr-2026-08-05T12-11-06-536Z/source-proof.json?v=2026-08-05T12-11-06.536Z",
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      "platform": "Win32",
      "language": "en-US",
      "languages": [
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        "en",
        "zh-TW",
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      "deviceMemory": 32,
      "screen": {
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    "note": "Anchor proofHash on-chain together with the GitHub commit/file path to timestamp the original upload evidence."
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