Evidence row 547836

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://aizamon.com/x402/v1/spec-lint"
    ]
  ],
  "name": "OpenAPI lint",
  "owner_address": "0xb88544cf8e9e97eeb2f313e0d3528fc1e50c2887",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "amountUsdc": 0.01,
          "assetTransferMethod": "eip3009",
          "intentId": "9f3bb385-1743-4778-b74c-2c5c93a35dc3",
          "name": "USD Coin",
          "resourceUrl": "https://aizamon.com/x402/v1/spec-lint",
          "sku": "SKU_AG_SPEC_01",
          "version": "2"
        },
        "maxAmountRequired": "10000",
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xB88544cF8E9E97EEb2F313e0D3528FC1e50C2887",
        "scheme": "exact"
      }
    ],
    "description": "Get a score and the issues for an OpenAPI spec in ?q=: version, one path, and one 2xx response. Three checks come back on the same call. $0.01 USDC. Included in the hour pass. Includes a signed Ed25519 receipt you can check with the published key.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "q": "{\"openapi\":\"3.1.0\",\"paths\":{}}"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "ok": true,
              "protocol": "x402",
              "result": {
                "openapi": {
                  "issues": [
                    "missing 2xx response"
                  ],
                  "score": 2
                }
              },
              "sku": "SKU_AG_SPEC_01"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "q": {
                      "description": "OpenAPI JSON. Checks version, paths, and one 2xx response.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "q"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "ok": {
                      "type": "boolean"
                    },
                    "protocol": {
                      "type": "string"
                    },
                    "result": {
                      "type": "object"
                    },
                    "sku": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T13:41:10.433Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-27T13:41:10.209Z"
    },
    "resource": "https://aizamon.com/x402/v1/spec-lint",
    "serviceName": "OpenAPI lint",
    "tags": [
      "openapi lint",
      "openapi",
      "x402",
      "lint",
      "under-cap"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Get a score and the issues for an OpenAPI spec in ?q=: version, one path, and one 2xx response. Three checks come back on the same call. $0.01 USDC. Included in the hour pass. Includes a signed Ed25519 receipt you can check with the published key."
}

What the leaf hashes

{"body":"e37f3b4aad60f6d45504fb805f7744fc54405c95b43404e483c9eb86ae9d303c","id":547836,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133216121186,"prev":null,"subject":"x402_bazaar:https://aizamon.com/x402/v1/spec-lint","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xf854d8ac45620d59f99bcee674977153b5334fc92b270e33821d5c113ac2a605
2. 0x9a83c1a5560999a3c542087d9c15f6146b77b48adda231b5249aaeb9052abcd4
3. 0xf6d71af92d71ae65dd1e2ad41ace5264337567d0b6f70e774cc0b9e7aff901d5
4. 0x03b286ecbe27cd1ad436e26e75b7573055226d84eaa2ab3ab3d7856c313dcd31
5. 0xd376f259400ce18365be5b575bfaebf52e101f425ddda379bfc2445e0986a532
6. 0xb44753b631c4b5cc10217aa2d7eafd7117f8917b8574896750e20ea2205fb192
7. 0x09f8a6d81651199bbdd36b16acc7a0a9d8d321aed9bf60a606db2ba144682586
8. 0xeacf8b596ee85041faaa5c6eee0dc050c586b167c8135f8f56bc460fdc1e9864
9. 0x9ca04aa702e9363618faa112ce0e282b0cbfa9050e74356db0046204ad2b2aad
10. 0x56dcd9d0921c2081b345026c0b20180a1e39cdbf19a2af10908dfa42d8de7784
11. 0x0910ffa4c5b68bfeab876c95d437a268cbe3ce3065ac289e0ccc44dd931c928a
12. 0x3d6ce9e9447d644baa93c05c5ec0a44778000bfa82e0208f4a0086c782198964
13. 0x2cba9be288dab78cb9c5f54fa13242712b2493da9f833a7c3cdd92cde60662b0
14. 0x94d3785ce9330e4580bccada5459380aa2aac76a0bf11354d1353b375afc17d2
15. 0xb5b652bba4a5afca56c21031d89b1c06361563aaf54ccc8541c296ceeb2b66fa

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4