Evidence row 1038972

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": "2026-10-28T23:09:05.249Z",
    "quality": {
      "l30DaysTotalCalls": 7,
      "l30DaysUniquePayers": 7,
      "lastCalledAt": "2026-10-28T23:09:04.742Z"
    },
    "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":"45cf874e9e574ca3861d092795221f8b5fede35b3e76ebd2311a7debab84123c","id":1038972,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298277188306,"prev":526845,"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 2026-10-29 (242798 rows).

1. 0x3ca9bbe63f6ef73ac3f57366e82190506c105baf72a1fcdfeac9c0c26bcf58fb
2. 0x3cd3ce8042b2c8179e01e78234022be1f389b3488c71df50fac6efea1f4bab96
3. 0x5dd0c6fd77dad41b369c9fddb6321987016fac294e58967268c351866c7954cd
4. 0x4fe68090d08090bd2a9f4e83cb87db60f1af4027bd1b7a645ea96710bc6a24e7
5. 0x7da2663bd432fd78331ef800d5cfe6a118ecb258ebc7ba81e6911a72744c64ce
6. 0x874f45ef074ce2daa2c511f008ca0d56d7e38a129b99a310f812760478e7990a
7. 0x85fdc789ab6f1aa6b4a96f17a596530511f9e300f38884822f07f5c174717832
8. 0x520ab371234636849e49c152f7310a896b93fc742480fa1ca8e63421440f24ca
9. 0x26367d5bfb018da50d7b7969cbd8fc22bd82f9fad7c55fc27d97f41163bb0ff6
10. 0x9ab4200f5795fff90db4979a845aab972f0ffcb9b806eb0c71fc48a87aea8a29
11. 0x65387020709c1ed98655f54065605d60ea9d4b311fa99056a4ba7dd472cc315c
12. 0xc9b2281e71b9618ff588d4b1f9f066722a3518175e923005872c17568e1670ae
13. 0x1650f053e7c17563e375049a822d3f2ee03ea31ce2893a0e80a48747f738f1ca
14. 0xfd10c7ee22418679d618a048206ccbf1219e97c4af44a5180884b0b3d02c18e8
15. 0xa03bd318a195be3bd16f335c7e189443bea4f1f439087a7ac19afec9fa97f9be
16. 0x1c3764b490d23b94e5ac838c89f8d3850dedb0819196f367da2479c7a88bf2c0
17. 0xd76435ead496863d8b0bfab3434f54cd11da3c49d104fc4064b9cb3381567bbd
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1