{
  "schema": "cain42.publisher-key.v1",
  "algorithm": "Ed25519 (RFC 8032)",
  "public_key_b64": "tOh40wrQGGYpF9XrO+Uk0cTj8od4HRyGtGZcEIZwTv8=",
  "key_id": "cain42/publisher",
  "pinned_in": [
    "PINNED_SIGNER_KEYS.json",
    "https://cainstudio.online/.well-known/cain-publisher-key.json"
  ],
  "what_this_authenticates": "that the holder of this key signed the attestation bytes",
  "what_this_does_not_authenticate": "the human/organisation identity behind the key; the key is self-published and there is no external certificate authority"
}