Evidence row 2201094

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.recallsapi.com/v1/recalls"
    ]
  ],
  "name": "recallsapi.com",
  "owner_address": "0x41deedfe9ea2a1edcc333c0d4e2cb46e82fbd30f",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x41deedfe9Ea2A1eDCC333c0D4e2Cb46E82Fbd30f",
        "scheme": "exact"
      }
    ],
    "description": "Search recall records from 9 US agencies (CPSC, FDA, NHTSA, US Coast Guard, FAA and more) by words, category and date, newest and most relevant first. Each record has hazard, remedy, firms, products, identifiers, as-of date and the agency source link. Use for questions like \"recent listeria recalls\" or \"Takata airbag recalls\".",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "category": "food",
              "limit": "10",
              "q": "listeria",
              "since": "2026-01-01"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "next_cursor": "MQ==",
              "results": [
                {
                  "agency": "FDA",
                  "id": "fda-H-0568-2026",
                  "recall_date": "2026-02-19",
                  "title": "Made Fresh Salads Inc: Made Fresh Salads brand Tofu Whipped"
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "category": {
                      "type": "string"
                    },
                    "limit": {
                      "type": "string"
                    },
                    "q": {
                      "type": "string"
                    },
                    "since": {
                      "description": "YYYY-MM-DD",
                      "type": "string"
                    }
                  },
                  "required": [],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "recallsapi-credits": {
        "info": {
          "balance": {
            "method": "GET",
            "url": "https://api.recallsapi.com/v1/credits"
          },
          "docs": "https://recallsapi.com/docs/agents",
          "expires": false,
          "header": "X-Credit-Token",
          "max_balance_usd": "1000.00",
          "prices_usd": {
            "GET /v1/check": "0.02",
            "GET /v1/recalls": "0.01",
            "GET /v1/vehicles": "0.01"
          },
          "refundable": false,
          "summary": "Prepaid credit (a recallsapi.com extension to x402): pay once with x402 at topup.url, keep credit_token from that answer (it is shown once), then send it as the X-Credit-Token header on each paid call. Each call is drawn from the balance; no further on-chain payment.",
          "this_call_usd": "0.01",
          "topup": {
            "amounts_usd": [
              "1.00",
              "5.00",
              "20.00"
            ],
            "method": "POST",
            "query": "amount",
            "url": "https://api.recallsapi.com/v1/credits/topup"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "balance": {
              "properties": {
                "method": {
                  "type": "string"
                },
                "url": {
                  "format": "uri",
                  "type": "string"
                }
              },
              "type": "object"
            },
            "docs": {
              "format": "uri",
              "type": "string"
            },
            "expires": {
              "type": "boolean"
            },
            "header": {
              "type": "string"
            },
            "max_balance_usd": {
              "type": "string"
            },
            "prices_usd": {
              "additionalProperties": {
                "type": "string"
              },
              "type": "object"
            },
            "refundable": {
              "type": "boolean"
            },
            "summary": {
              "type": "string"
            },
            "this_call_usd": {
              "type": "string"
            },
            "topup": {
              "properties": {
                "amounts_usd": {
                  "items": {
                    "type": "string"
                  },
                  "type": "array"
                },
                "method": {
                  "type": "string"
                },
                "query": {
                  "type": "string"
                },
                "url": {
                  "format": "uri",
                  "type": "string"
                }
              },
              "required": [
                "method",
                "url",
                "amounts_usd"
              ],
              "type": "object"
            }
          },
          "required": [
            "topup",
            "header",
            "balance",
            "prices_usd"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T04:51:12.489Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T04:51:12.276Z"
    },
    "resource": "https://api.recallsapi.com/v1/recalls",
    "serviceName": "recallsapi.com",
    "tags": [
      "recalls",
      "food-safety",
      "fda",
      "search"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Search recall records from 9 US agencies (CPSC, FDA, NHTSA, US Coast Guard, FAA and more) by words, category and date, newest and most relevant first. Each record has hazard, remedy, firms, products, identifiers, as-of date and the agency source link. Use for questions like \"recent listeria recalls\" or \"Takata airbag recalls\"."
}

What the leaf hashes

{"body":"f6eefcc959a832966399427291cd20a6730debbc0bfc023d45322b78cfd6dd9a","id":2201094,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646800280662,"prev":null,"subject":"x402_bazaar:https://api.recallsapi.com/v1/recalls","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xde19b4669c4d5db71066d71ee63d2dc45fc2042694c98bd1b67761a380dbc5e3
2. 0x45166d6094684e930ff5903d2f2078afb8a624136128863f09ed7e352ae04cd7
3. 0x7abf0265aa235e1ab80b3300e7a191a55819c036d44943bf9cfcdd197dfb55b7
4. 0x20c313cf510df60da7c28b5f067247d1fdee552af3f566703ec9ace82f632161
5. 0x38abefebe0650c3d463a10d2dc3d7656ee87157b232439793289770cff17593c
6. 0x376052cdbafbece60e637ed19270df3fd4b87eebd9f44d37b76e2481ac188f67
7. 0x6f0e08c12c33a8c99e7d65f3064c97754d61e6ed64d328789eea5057b0be8614
8. 0x8d39db2e61cef8cab87a7f4191f76f76835464d3928ffdc870ce2e37013a4534
9. 0x42947000d5d1171a98370f3d2b414997e3f61d41dbd43d0b37e8e8fcc4e93d23
10. 0xb486b7242b59299b703198b7029b5a8ebf9af06b65423ab8aae3db851b410f3f
11. 0x64066a87d23b3b4e5862655618cc22fc931ef85ed07c75de281dea2f3a378d38
12. 0x933c861a9715acc355546ac1de965c0ed1155480f615b2e5e8679f2112c69496
13. 0x1cd421f1e0b0be98fab8392181e25435047bd7c44fcbda07fa5cd27615d6b674
14. 0x5dd75981e1af83dc5ec1e2b8a2959012484cc3ea2e0defded2187a5a93ba7236
15. 0xa370e8e015a32408a8112e54e5f40a8a65e871bd52bbc6f25fbd1139f2ba5b11
16. 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af