Evidence row 451909

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://recall-check.walshmona1.workers.dev/check"
    ]
  ],
  "name": "recall-check.walshmona1.workers.dev/check",
  "owner_address": "0x54ab7785ae38a1f75343c4a34450648a4f540df1",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0x54ab7785ae38a1f75343c4a34450648a4f540df1",
        "scheme": "exact"
      }
    ],
    "description": "Product & vehicle recall check against official U.S. databases (CPSC, FDA, NHTSA). Returns a verdict, summary and official links.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "brand": "graco",
              "product": "high chair"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "disclaimer": "Based on official U.S. recall databases at the time of the check.",
              "recalls": [
                {
                  "date": "2021-05-20",
                  "hazard": "Fall hazard",
                  "id": "21-123",
                  "remedy": "Repair",
                  "source": "CPSC",
                  "title": "Example Company Recalls High Chairs Due to Fall Hazard",
                  "url": "https://www.cpsc.gov/Recalls/"
                }
              ],
              "summary": "One official CPSC recall matches: certain Graco high chairs have a fall hazard. Remedy: free repair kit.",
              "verdict": "recalls_found"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "headers": {
                  "additionalProperties": {
                    "type": "string"
                  },
                  "type": "object"
                },
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "brand": {
                      "description": "Optional brand or company",
                      "type": "string"
                    },
                    "make": {
                      "description": "Vehicle make",
                      "type": "string"
                    },
                    "model": {
                      "description": "Vehicle model",
                      "type": "string"
                    },
                    "product": {
                      "description": "Product name (for non-vehicles)",
                      "type": "string"
                    },
                    "vin": {
                      "description": "Vehicle VIN (17 characters)",
                      "type": "string"
                    },
                    "year": {
                      "description": "Vehicle model year",
                      "type": "string"
                    }
                  },
                  "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"
        }
      }
    },
    "lastUpdated": "2026-10-27T10:12:04.391Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-24T01:44:20.103Z"
    },
    "resource": "https://recall-check.walshmona1.workers.dev/check",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Product & vehicle recall check against official U.S. databases (CPSC, FDA, NHTSA). Returns a verdict, summary and official links."
}

What the leaf hashes

{"body":"1b2acd14473a4d9b266d42e329bc5255f2c6515c2ecb1b3109fed2736c59afa2","id":451909,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100515713207,"prev":119087,"subject":"x402_bazaar:https://recall-check.walshmona1.workers.dev/check","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. 0x6ad6ea4ed27c9d8872d95d0895447e0f316b8660eb96a4cf500d56b4c370d54e
2. 0xcb1b09dd48e0aa1c0b6037af876f59263a5faecf682a2c7d1e529ceb10de0029
3. 0x149edc5ce918f99fea41f09a0c336b851034edefc9744ad77c697576a19edad2
4. 0x5eabef8ddbe1854c195232f947d4c225158aa65f24d51e761dad1747a5337beb
5. 0x9347aa166a3260e4ff2a1e781ba7f8a5409f3a34a3619b9c9a3a980a11466fe5
6. 0x9ef2d2c037907b25c6d55767b893471687b5d2ecb462b25abeb9a845ff158dae
7. 0x8811ac2a20122fe75763fbe735700426f24a8b11c41ba58586eeeb81f2cae780
8. 0x05fc4cb3a06ade8709cf07ab9f75c8adb10d8f9f889def9394f69c220bf1f432
9. 0x4b20a270b3d9878d5fc9f748b920ea8994d66415bed59e6426e61e278d0cf905
10. 0x58e388926a516d3667909f6fd7a79dae6480082711d20d5cd10d161d0ab243d4
11. 0xdc9ca5cffc0291f8ddf9255389acf7653056f9ad5b5eee5581f407185fc803d1
12. 0x1907258a29a881c6f59707e890e9f73f7aff1ace32101f20e208f76e9fac9a60
13. 0x927616fada4e04588c09f6e02e8f6e3a1351bac8355e394da3bd0bf249a5c503
14. 0x3c5462812bd2f841e3d7deefc01555f18262fe5e0d5a7eb155330b7a7cb0388e
15. 0x6f00f0da417f4126951ba8ba9b7962c847e91f5c61364ad9ad47e5f979698a60
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4