{
  "$type": "com.atproto.lexicon.schema",
  "defs": {
    "main": {
      "description": "Ephemeral challenge-response auth record. Client writes this to prove PDS write access during login, server verifies the nonce, then client deletes it immediately.",
      "key": "tid",
      "record": {
        "properties": {
          "createdAt": {
            "description": "When this verification record was created.",
            "format": "datetime",
            "type": "string"
          },
          "nonce": {
            "description": "Server-issued challenge nonce to prove write access.",
            "type": "string"
          }
        },
        "required": [
          "nonce",
          "createdAt"
        ],
        "type": "object"
      },
      "type": "record"
    }
  },
  "id": "app.protoimsg.chat.authVerify",
  "lexicon": 1
}