{
  "instance": "Mildport managed cloud",
  "documentation": "https://docs.mildport.com/protocol/keys/",
  "alg": "ES256",
  "curve": "P-256",
  "note": "Artifact-signing public keys for receipts and import contracts issued by Mildport's managed cloud instance. Superseded keys are never removed: a signed artifact verifies against the key that signed it, forever. Self-hosted instances hold their own keys, which never appear here. Algorithm: ES256 (unified 2026-08-09).",
  "keys": [
    {
      "keyId": "rk_a9b0c12a41664c32",
      "status": "active",
      "alg": "ES256",
      "createdAt": "2026-08-09T19:28:22.364Z",
      "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEx0IOZu/Ie6BD/xMo7gBRq2XPa8hR\nMeIUkyz34E7oN9mvW0lEQfj+8aSz7zuJXan/GsHEDbGPo+j2Vu7h2nqlxg==\n-----END PUBLIC KEY-----\n",
      "pemUrl": "https://docs.mildport.com/keys/rk_a9b0c12a41664c32.pem"
    },
    {
      "keyId": "rk_1dc5498e31b8496c",
      "status": "withdrawn",
      "createdAt": "2026-08-09T18:30:56.675Z",
      "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAm6g5IaUJNwielxJqERah7/UUzlxBt8eZKxt6PxDOF9U=\n-----END PUBLIC KEY-----\n",
      "pemUrl": "https://docs.mildport.com/keys/rk_1dc5498e31b8496c.pem",
      "withdrawn": "2026-08-09: algorithm unified to ES256 before this Ed25519 key ever signed an artifact — no artifact verifies against it. Replaced by rk_a9b0c12a41664c32.",
      "alg": "EdDSA"
    }
  ]
}