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  "proofUrl": "https://spine-link.vercel.app/assets/library/char-v01-2026-07-23T14-28-50-846Z/source-proof.json?v=2026-07-23T14-28-50.846Z",
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      "platform": "Win32",
      "language": "ru-RU",
      "languages": [
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        "en-US",
        "ru",
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      "deviceMemory": 32,
      "screen": {
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        "pixelRatio": 1
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      "timezone": "Europe/Moscow",
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    "recommendedAnchorPayload": "sha256:4f2b182370c591d48564b242a8e27bacc5b355e63849eed3339db376ae5fd41c",
    "note": "Anchor proofHash on-chain together with the GitHub commit/file path to timestamp the original upload evidence."
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