{
  "profile": "https://writerslogic.com/.well-known/cpoe-profile-1.0.json",
  "name": "CPoE Evidence Packet Profile",
  "version": "1.0",
  "description": "Verification requirements for a CPoE (Cryptographic Proof of Effort) evidence packet, as referenced by the `profile_uri` field (CDDL key 2) of an EvidencePacketWire.",
  "wireFormat": "CBOR (RFC 8949), COSE_Sign1 (RFC 9052)",
  "specification": "https://github.com/writerslogic/writersproof",
  "algorithms": {
    "primary": [
      "EdDSA (Ed25519)",
      "ES256 (P-256)"
    ],
    "countersignature": {
      "mechanism": "RFC 9338 COSE countersignature",
      "algorithm": "ML-DSA-44 (RFC 9964, COSE alg -48)",
      "required": false
    },
    "timestampBinding": {
      "mechanism": "RFC 9921 COSE header parameter for RFC 3161 timestamp tokens",
      "headers": {
        "269": "3161-ttc (protected)",
        "270": "3161-ctt (unprotected)"
      },
      "required": false
    }
  },
  "supersedes": [
    "urn:ietf:params:cpoe:profile:1.0",
    "urn:ietf:params:pop:profile:1.0"
  ],
  "notes": "Published under this domain because urn:ietf:params: is IANA-controlled and this profile was never IETF-WG-adopted; a dereferenceable URI needs no registration."
}