{
  "$schema": "https://schemas.ai.txt/v1/verification.json",
  "version": "1.0",
  "lastUpdated": "2026-05-17",
  "entity": {
    "name": "Humark",
    "url": "https://humark.id"
  },
  "methods": [
    {
      "name": "Pulse Signature",
      "description": "A biometric-bound cryptographic seal recorded at the moment a creator signs a work using FaceID or TouchID on their iOS device. The seal is stitched to C2PA content credentials and written to an append-only registry. The biometric signal never leaves the creator's device in plaintext; only the public attestation is registered.",
      "attestationFormat": "C2PA-compatible cryptographic seal",
      "signatureScheme": "ECDSA on creator-derived keypair"
    }
  ],
  "cryptographicKeys": {
    "jwksUrl": "TODO_VERIFY",
    "_jwksUrlTODO": "JWKS endpoint for per-creator Pulse Signature keys is pre-launch. The trust anchor signing key below is independent of that endpoint."
  },
  "trustAnchorSigningKey": {
    "issuer": "AU-SVRN LLC",
    "keyId": "au-svrn-signing-2026-001",
    "algorithm": "Ed25519",
    "publicKey": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAE0I1U7SRh0+JDFR8ZSUezGN5XVvlWqsa2wdVt6d/ixc=\n-----END PUBLIC KEY-----",
    "fingerprint": "sha256:5bDt3P0PoptW0XMpPkXEVvqt0U6CDmxXV6tFB6mkTbg",
    "endpoint": "https://humark.id/.well-known/au-svrn-signing-key.pem",
    "canonicalEndpoint": "https://ausvrn.com/.well-known/au-svrn-signing-key.pem",
    "issued": "2026-05-17",
    "purpose": "Verifying AU-SVRN-issued institutional signatures (methodology revisions, refusal records, discoverability file integrity). Distinct from per-creator Pulse Signature keys, which are biometric-derived and registered separately."
  },
  "trustAnchor": {
    "name": "AU-SVRN",
    "url": "https://ausvrn.com",
    "role": "Operating organization with editorial-independence charter"
  },
  "revocationList": {
    "url": "https://humark.id/api/v1/revocations",
    "note": "TODO_VERIFY. Endpoint shape pre-launch. Revocations append a revocation row; the original attestation stays on the record permanently."
  },
  "publicLookup": {
    "url": "https://humark.id/verify",
    "auth": "none",
    "paywall": false
  },
  "policy": {
    "citation": "Cite witness id and timestamp",
    "appendOnly": true
  }
}