{
  "envelope_id": "1bcf1e93-c4de-0354-027e-5eecdcf869f4",
  "envelope_version": "1.0",
  "algorithm": "ML-DSA-87",
  "algorithm_standard": "NIST FIPS 204",
  "security_category": 5,
  "signer_identity": "legal@firstnationalbank.com",
  "key_id": "key-cfd1b178ac6f",
  "document": {
    "filename": "NDA_TechCorp_2026.pdf",
    "size_bytes": 412886,
    "hash_algorithm": "SHA3-256",
    "doc_hash_hex": "d63b5da03bf13aa27f994839e8cad9035aa693af9d21922451d7329060e50252"
  },
  "doc_hash_hex": "d63b5da03bf13aa27f994839e8cad9035aa693af9d21922451d7329060e50252",
  "signature_b64": 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  "public_key_b64": "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",
  "public_key_fingerprint": "ccae:01fd:28da:3558:8346:2fad:fb80:33cf",
  "signed_at": "2026-09-27T16:22:48Z",
  "verified": true,
  "quantum_safe": true
}