{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://x402receipts.com/spec/arr-1/proof.schema.json",
  "title": "ARR-1 proof bundle",
  "description": "Everything a third party needs to verify one receipt without contacting the issuer again.",
  "type": "object",
  "required": [
    "receipt",
    "status"
  ],
  "additionalProperties": true,
  "properties": {
    "receipt": {
      "description": "The receipt core (see receipt-core.schema.json) plus its fingerprint.",
      "type": "object"
    },
    "status": {
      "enum": [
        "verified",
        "recorded",
        "failed"
      ],
      "description": "verified: delivered and anchored. recorded: delivered, not yet anchored. failed: paid, not delivered."
    },
    "proof": {
      "type": [
        "object",
        "null"
      ],
      "required": [
        "path",
        "root"
      ],
      "properties": {
        "root": {
          "type": "string",
          "pattern": "^[0-9a-f]{64}$"
        },
        "path": {
          "type": "array",
          "items": {
            "type": "object",
            "required": [
              "hash",
              "position"
            ],
            "properties": {
              "hash": {
                "type": "string",
                "pattern": "^[0-9a-f]{64}$"
              },
              "position": {
                "enum": [
                  "left",
                  "right"
                ],
                "description": "Where the sibling goes when the pair is hashed."
              }
            }
          }
        }
      }
    },
    "ledger": {
      "type": [
        "object",
        "null"
      ],
      "description": "Where the root was written.",
      "properties": {
        "network": {
          "type": "string",
          "description": "e.g. hedera:mainnet"
        },
        "topicId": {
          "type": "string"
        },
        "sequence": {
          "type": "integer"
        },
        "consensusTimestamp": {
          "type": "string"
        },
        "message": {
          "type": "string",
          "format": "uri",
          "description": "Public URL where the anchor record can be read from the ledger, without the issuer."
        },
        "explorer": {
          "type": "string",
          "format": "uri"
        }
      }
    },
    "howToVerify": {
      "type": "string"
    },
    "spec": {
      "type": "string",
      "format": "uri",
      "description": "https://x402receipts.com/spec/arr-1"
    }
  }
}