Evidence row 526845

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": 6,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-27T10:12:04.226Z"
    },
    "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":"a9f96239e48097a776b87f9f843d9feeed9473ed15de0d036a386b3e38cd07d3","id":526845,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124792217777,"prev":451909,"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. 0xb791b63ba55551f0b4411a433c274f57f52877c14bcc4113d3179a1e82ca8b0d
2. 0xed4a1a013bd4a0bbcae3327dbf8b72a18f511519616994bcb573c35f12a62e69
3. 0x85e2ace71b7bda49858ee4575edb539ed163a5fc16472cfd7cbceff9a98b4fd9
4. 0xa7cd5d061f264399ccec9c0236c882f1f7489956ea6a37d4771414aa152a267f
5. 0x6e1a74c1bda88f0dfb42483a9dd62a2b28cba19eb2d7cd8690702a82d360ecc2
6. 0xb02b9fd980898e004d107d2cf9fd05b1bad8a234d43341514a163566dbbee3bf
7. 0x136f19639973d80c4a551dccb4ec85e64391572a50e4bdf8580d724fad5f711c
8. 0xedb16c2e14580105898f1f51a49c3b52038ba11085108bb786e0249aeaa4cdfe
9. 0x5c2c0257d9757a0e016d149b3510c7c606eab3ee4f1b25e54a124a0540cdca7e
10. 0x02133db96760e2e6d897f4d0eff0f4476cf1e8a3095578b8101d2f9b45723c18
11. 0x0bd5c4ee0536ff6471a0f1a8676a731f2caf5d42f515ae40fa5d82310634e537
12. 0xdc4af1861bcc27178db9854c119413a3d8acb113ca467e0eb6c0cadd8a60ba5d
13. 0xdb8e341e9690aa686b29432c7b868b3859fb692c3ae3a679b8bc1219ebe3a597
14. 0x87cb8935612c40b569de008a9bf8218cd24a06f74a7364a1654613d972fe00ed
15. 0xec7bb68216a4deb1960acfbbd75da88f7e468b58adb9cf3ec62f2790e46508b3
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4