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Evidence row 1790017

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://api.mekler.ai/v1/data/vehicles/check-vin
Recorded
Previous row
#67355
Body SHA-256
cafe68f20614d0478669a121d8324b252de5d257b243e49abe580aff9c0fa6c1
Leaf
0x4e3cb3083724dcc6c40b09380361a153223b81c71f2679de656e31a56d974ed3

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.mekler.ai/v1/data/vehicles/check-vin"
    ]
  ],
  "name": "Mekler AI",
  "owner_address": "0xf6c6e2e530bb311c14a49c1a07c720fc232c07c5",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
          "meklerQuote": "eyJhbW91bnQiOiI1MDAwIiwiYXNzZXQiOiJFUGpGV2RkNUF1ZnFTU3FlTTJxTjF4enliYXBDOEc0d0VHR2tad3lURHQxdiIsImRpZ2VzdCI6ImEzNTkyMjExYzU0NDVhNzk0OTdlZDU4NTRjNjVjZTYxNThiMWE4YWE3NDlhYjBkMDdiZDFiYTZhOTQ3MzlkMDYiLCJleHBpcmVzIjoxNzkzNTMxMTI2LCJmZWVQYXllciI6IkdWSko3cmRHaVhyNXhhWWJSd1JiamZhSkw3Zm13UnlnRmkxSDZhR3FEdmViIiwibmV0d29yayI6InNvbGFuYTo1ZXlrdDRVc0Z2OFA4TkpkVFJFcFkxdnpxS3FaS3ZkcCIsIm9yaWdpbiI6Imh0dHBzOi8vYXBpLm1la2xlci5haSIsInBhdGgiOiIvdjEvZGF0YS92ZWhpY2xlcy9jaGVjay12aW4iLCJwYXlUbyI6IjltTURySGFiU2Y3M01QbjFBTmRBTlNtc053MndLaXFFN0paN2VENkVVU1JjIiwicHJvdmlkZXIiOiJjZHAiLCJ2ZXJzaW9uIjoidmVoaWNsZS12aW4tZGVjb2RpbmctdjEifQ==.43d0f0224df9c779ab810fd452dbd6f742aa5a7c7310851d81b2f7a6561281a1",
          "memo": "m:Q9DwIk35x3mrgQ_UUtvW9w"
        },
        "maxTimeoutSeconds": 60,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "9mMDrHabSf73MPn1ANdANSmsNw2wKiqE7JZ7eD6EUSRc",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "meklerQuote": "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.5a7507cbb712fc130a4201f6690c8aef0c5e625a1204ec88b7e5fbdfdb54e4ec",
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0xF6c6E2e530bb311c14a49C1a07C720fc232c07c5",
        "scheme": "exact"
      }
    ],
    "description": "Decode a complete 17-character VIN into source-linked NHTSA manufacturer, model-year and equipment fields. Return source errors, missing fields and independent check-digit evidence. Optional model year helps disambiguate the source. Coverage centers on US-market vehicles; no owner, title, accident-history, condition or valid-vehicle certification.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "model_year": 2011,
              "request_id": "vehicle-vin-example-001",
              "vin": "5UXWX7C5XBA123456"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "check_digit": {
                "expected": "7",
                "matches": false,
                "north_american_rule_applicable": true,
                "observed": "X"
              },
              "decode_complete": true,
              "limitations": [
                "Manufacturer-submitted specifications for vehicles intended for the US market; other markets can have limited coverage.",
                "A decoded field is not evidence of ownership, title, accident history, condition or installed equipment today.",
                "Inspect source errors and check-digit evidence. A partial or invalid source decode is a completed diagnostic, not a valid-vehicle certification."
              ],
              "observed_at": "2026-10-20T00:00:00Z",
              "requested_model_year": 2011,
              "source": "NHTSA vPIC",
              "source_error_codes": [
                "0"
              ],
              "source_message": "Synthetic fixture only",
              "source_url": "https://vpic.nhtsa.dot.gov/api/vehicles/DecodeVinValues/5UXWX7C5XBA123456?format=json&modelyear=2011",
              "specifications": {
                "body_class": null,
                "drive_type": null,
                "engine_cylinders": null,
                "engine_liters": null,
                "fuel_type": null,
                "make": "SYNTHETIC",
                "manufacturer": null,
                "model": "Example",
                "model_year": "2011",
                "plant_country": null,
                "series": null,
                "trim": null,
                "vehicle_type": null
              },
              "status": "ok",
              "vin": "5UXWX7C5XBA123456"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "model_year": {
                      "maximum": 2100,
                      "minimum": 1981,
                      "type": "integer"
                    },
                    "request_id": {
                      "pattern": "^[A-Za-z0-9_-]{16,64}$",
                      "type": "string"
                    },
                    "vin": {
                      "pattern": "^[A-HJ-NPR-Z0-9]{17}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "vin",
                    "request_id"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "additionalProperties": false,
                  "properties": {
                    "check_digit": {
                      "additionalProperties": false,
                      "properties": {
                        "expected": {
                          "type": "string"
                        },
                        "matches": {
                          "type": "boolean"
                        },
                        "north_american_rule_applicable": {
                          "type": "boolean"
                        },
                        "observed": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "observed",
                        "expected",
                        "matches",
                        "north_american_rule_applicable"
                      ],
                      "type": "object"
                    },
                    "decode_complete": {
                      "type": "boolean"
                    },
                    "limitations": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "observed_at": {
                      "type": "string"
                    },
                    "requested_model_year": {
                      "type": [
                        "integer",
                        "null"
                      ]
                    },
                    "source": {
                      "type": "string"
                    },
                    "source_error_codes": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "source_message": {
                      "type": "string"
                    },
                    "source_url": {
                      "type": "string"
                    },
                    "specifications": {
                      "additionalProperties": false,
                      "properties": {
                        "body_class": {
                          "type": [
                            "string",
                            "null"
                          ]
                        },
                        "drive_type": {
                          "type": [
                            "string",
                            "null"
                          ]
                        },
                        "engine_cylinders": {
                          "type": [
                            "string",
                            "null"
                          ]
                        },
                        "engine_liters": {
                          "type": [
                            "string",
                            "null"
                          ]
                        },
                        "fuel_type": {
                          "type": [
                            "string",
                            "null"
                          ]
                        },
                        "make": {
                          "type": [
                            "string",
                            "null"
                          ]
                        },
                        "manufacturer": {
                          "type": [
                            "string",
                            "null"
                          ]
                        },
                        "model": {
                          "type": [
                            "string",
                            "null"
                          ]
                        },
                        "model_year": {
                          "type": [
                            "string",
                            "null"
                          ]
                        },
                        "plant_country": {
                          "type": [
                            "string",
                            "null"
                          ]
                        },
                        "series": {
                          "type": [
                            "string",
                            "null"
                          ]
                        },
                        "trim": {
                          "type": [
                            "string",
                            "null"
                          ]
                        },
                        "vehicle_type": {
                          "type": [
                            "string",
                            "null"
                          ]
                        }
                      },
                      "required": [
                        "make",
                        "model",
                        "model_year",
                        "manufacturer",
                        "body_class",
                        "vehicle_type",
                        "fuel_type",
                        "engine_cylinders",
                        "engine_liters",
                        "drive_type",
                        "plant_country",
                        "series",
                        "trim"
                      ],
                      "type": "object"
                    },
                    "status": {
                      "type": "string"
                    },
                    "vin": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "status",
                    "vin",
                    "requested_model_year",
                    "observed_at",
                    "specifications",
                    "check_digit",
                    "source_error_codes",
                    "source_message",
                    "decode_complete",
                    "source",
                    "source_url",
                    "limitations"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T11:03:26.61Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-11-01T11:03:24.277Z"
    },
    "resource": "https://api.mekler.ai/v1/data/vehicles/check-vin",
    "serviceName": "Mekler AI",
    "tags": [
      "Data",
      "Vehicles",
      "VIN decoding"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Decode a complete 17-character VIN into source-linked NHTSA manufacturer, model-year and equipment fields. Return source errors, missing fields and independent check-digit evidence. Optional model year helps disambiguate the source. Coverage centers on US-market vehicles; no owner, title, accident-history, condition or valid-vehicle certification."
}

What the leaf hashes

{"body":"cafe68f20614d0478669a121d8324b252de5d257b243e49abe580aff9c0fa6c1","id":1790017,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793559930720910,"prev":67355,"subject":"x402_bazaar:https://api.mekler.ai/v1/data/vehicles/check-vin","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).

  1. 0x4e3bc4ef325184298794e28159d04cf808ceb2197b336654f89e5958ca1730b1
  2. 0x9b3fc4b7808544dbc964e24010d06e1c727eda5e8edf7e3420552dbf123c0c00
  3. 0x770299fd92d2ea41eab0683c0f873d66c9ad1614d29415e0f4727a70dd06c9c4
  4. 0x8d8068976221f5deacbe3a15bd11c60cada17ef19f775b52ce7eae5563bf9ebb
  5. 0xbaf9305cd8884f2b2e2fd62fbc1ca89ac0cdafc3e0ce729d42cdd0747e930605
  6. 0x914842d2f0ea555bb74c39d417ddaa5d321817509d2217fb5703e818ae4d0f57
  7. 0xcb331ec6cc916866c1950bd6f2fef2ec76ebb6c4d6c44d902baa1aa916a56b31
  8. 0xfbf90239459fdfc29522c05016a733e906be59ad92a6a5d079bc5aac3b7d47cf
  9. 0xb931877520977b5c6e300724a307882b0975e3e468f319b4e102ab3b0e0f8fa1
  10. 0x183af1a03f8f4fa1e8d0e0dc2ab016e846c1f72371b5370debcd451c1cabc18a
  11. 0x85c16e0cedce65f472dbb790c7dec11644a5282a5a4804e790a1b850dc511eef
  12. 0x802b1f7cfcb27b60961e820647a7818a97d613683af6dbb845cc14fb9c458db1
  13. 0xe856d71d4d8a98af6db9d570016de7389476d0530bd8e162ceafbaf3cd861a5b
  14. 0x4dd56cbe7671c2bd3ac1c5d78e38f1cd1c8a879b29f9a6a5b8a22555a3aedcd2
  15. 0x0e3f78943343406ddd3828dd4ca4b5a188e80ffe3ac87d64d979448ee11c1cc5
  16. 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
  17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
  18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
  19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON