{
  "directory_version": "1.0",
  "authority": "https://aira2a.com",
  "keys": [
    {
      "key_id": "aira2a-key-2026",
      "algorithm": "ed25519",
      "public_key": "MCowBQYDK2VwAyEAX5qE5V3L8g7Z0jW4yX9kN2mR1vT6bH8eY3uK0pL4wMo=",
      "purposes": [
        "request-signing",
        "response-verification",
        "agent-identity"
      ],
      "created_at": "2026-01-01T00:00:00Z",
      "status": "active"
    }
  ]
}