{
  "proofVersion": 1,
  "generatedAt": "2026-09-08T00:54:55.797Z",
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    "timestamp": "2026-09-07T21:40:56.268Z",
    "previousHash": "9e99813b4386ffa28226d06e00b58333efc943b288fed97c59070f6797b99153",
    "entry": {
      "kind": "seal",
      "title": "Convocatoria de autores fundadores (video, español)",
      "author": "Stefania Overman",
      "statement": "The founding-author call, narrated by the founder and published on the @HeartwoodLibrary YouTube channel. Any copy of the file verifies against this fingerprint, forever. The written call is sealed as block #28.",
      "statementHash": "663b1789119b87d28e88e93e390c8d456a652bfa4dde0b21bad1ad189665ab89",
      "documentHash": "c537095e8017cc358d57675efd075296f1ac4e24303de0428508803925ab16a0",
      "documentName": "founding-call-es.mp4",
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      "documentType": null,
      "authorKeyId": "3391cebb120892c6",
      "signature": "S/vfBE6rxh23vEMR8NhOkjySwjLvyuBupTdhoMTgP9vo9DE+fqpqWnaGBQsU8Vszi7cME/km+hmiirDskFWfBA=="
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    "name": "Stefania Overman",
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    "activeNow": true
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    "hash": "1ba2edf671d968f2c2656d4c067cec6e135d50921ebee81ceda39c174b7346d4"
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  "recipes": {
    "canonicalJson": "JSON with object keys sorted recursively, no whitespace",
    "blockHash": "sha256 hex of canonicalJson({entry, formatVersion, index, previousHash, timestamp})",
    "signature": "Ed25519, base64, over canonicalJson({entry, index, previousHash}) where entry omits its signature field",
    "keyId": "first 16 hex chars of sha256 of publicKeyHex as utf8 text",
    "contentHash": "sha256 hex of the utf8 content text (articles, comments)",
    "statementHash": "sha256 hex of the utf8 statement text (document seals)",
    "documentHash": "sha256 hex of the raw document bytes (document seals)"
  }
}