Evidence row 120826

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/vehicles/vin/:vin"
    ]
  ],
  "name": "Saylor Innovations Data Desk",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:datadesk:vehicles-vin",
          "name": "USD Coin",
          "note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
          "memo": "saylor:datadesk:vehicles-vin",
          "reference": "BfogWFMPuBP2UNPL2MyLhEHGXZVeiT7a3kFk8ydtkHkE",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazp2ZWhpY2xlcy12aW4iLCJyZWZlcmVuY2UiOiJCZm9nV0ZNUHVCUDJVTlBMMk15TGhFSEdYWlZlaVQ3YTNrRms4eWR0a0hrRSIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyMTEzNDQwNjQ2fQ.6lkW--04H-9ey2bymlKz_Q3ZGuv80Gs91i5GRxlrglw"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "VIN decoder - make, model, year, trim, body, engine, drivetrain, plant and safety equipment for any 17-character VIN, with check-digit validation (NHTSA vPIC)",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "vin": "1HGCM82633A004352"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "base_price_usd": null,
              "body_class": "Coupe",
              "check_digit_valid": true,
              "decode_status": "0 - VIN decoded clean. Check Digit (9th position) is correct",
              "doors": 2,
              "drivetrain": {
                "drive_type": null,
                "speeds": 5,
                "transmission": "Automatic"
              },
              "engine": {
                "configuration": "V-Shaped",
                "cylinders": 6,
                "displacement_l": 3,
                "electrification": null,
                "fuel": "Gasoline",
                "horsepower": 240,
                "model": "J30A4"
              },
              "gvwr_class": "Class 1C: 4,001 - 5,000 lb (1,814 - 2,268 kg)",
              "make": "HONDA",
              "manufacturer": "AMERICAN HONDA MOTOR CO., INC.",
              "model": "Accord",
              "plant": {
                "city": "MARYSVILLE",
                "country": "UNITED STATES (USA)",
                "state": "OHIO"
              },
              "safety": {
                "airbags_curtain": "1st and 2nd Rows",
                "airbags_front": "1st Row (Driver and Passenger)",
                "airbags_side": "1st Row (Driver and Passenger)",
                "features": {},
                "seat_belts": "Manual"
              },
              "series": null,
              "source": "NHTSA vPIC",
              "trim": "EX-V6",
              "vehicle_type": "PASSENGER CAR",
              "vin": "1HGCM82633A004352",
              "year": 2003
            },
            "type": "json"
          }
        },
        "routeTemplate": "/api/vehicles/vin/:vin",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "POST",
                    "PUT",
                    "PATCH",
                    "DELETE",
                    "HEAD"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "properties": {
                    "vin": {
                      "description": "17-character vehicle identification number in the path",
                      "type": "string"
                    }
                  },
                  "required": [
                    "vin"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "pathParams"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "base_price_usd": {
                      "description": "Base price, in US dollars"
                    },
                    "body_class": {
                      "description": "Body class",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "check_digit_valid": {
                      "description": "Check digit valid",
                      "type": "boolean"
                    },
                    "checked_at": {
                      "description": "Time the check was run (UTC)",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "decode_status": {
                      "description": "Decode status",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "doors": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "drivetrain": {
                      "type": "object"
                    },
                    "engine": {
                      "description": "Engine or model that produced the result",
                      "type": "object"
                    },
                    "gvwr_class": {
                      "description": "Gvwr class",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "make": {
                      "type": "string"
                    },
                    "manufacturer": {
                      "description": "Manufacturer",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "model": {
                      "description": "Model",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "plant": {
                      "type": "object"
                    },
                    "safety": {
                      "type": "object"
                    },
                    "series": {
                      "description": "Time series of values"
                    },
                    "source": {
                      "description": "Data source the values come from",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "trim": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "vehicle_type": {
                      "description": "Vehicle type",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "vin": {
                      "type": "string"
                    },
                    "year": {
                      "description": "Calendar year",
                      "type": [
                        "number",
                        "null"
                      ]
                    }
                  },
                  "required": [
                    "vin",
                    "make"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "json",
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791811517/bazaar-icons/bc5e2b3d111ebbef.jpg",
    "lastUpdated": "2026-10-16T01:15:20.785Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-16T01:15:20.247Z"
    },
    "resource": "https://saylorinnovations.com/api/vehicles/vin/:vin",
    "serviceName": "Saylor Innovations Data Desk",
    "tags": [
      "vin decoder",
      "vehicle identification number",
      "car lookup",
      "nhtsa",
      "vehicle specs"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "VIN decoder - make, model, year, trim, body, engine, drivetrain, plant and safety equipment for any 17-character VIN, with check-digit validation (NHTSA vPIC)"
}

What the leaf hashes

{"body":"b674fceeeda471aaf8435358b8291dc7bca0a1f87ac59d39d73ea95bce35d09f","id":120826,"kind":"listing","method":"baseline/1","observed_us":1793025618861230,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/vehicles/vin/:vin","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xc16631ce5d2ca10cbf6b9e225db3b58bb5f3b0bf92e1c6eeeb1e954a6c145d38
2. 0xd8e5cae30269ecf6ab8a24ac946139ee0b01fd1f17372c65a6e20719e789f7df
3. 0xc092bf72a17b4da8e6dc4ff4ce442bc2d23910c70403bf9cd3d4924d785dd87b
4. 0x3ae8bbff8f831d1ce6a60c052b5ede9790c063914de7e3584c48abb1519fda9b
5. 0x6cb858bb4272cbbcd43037eee6427e6cdbe5cae96d536ef0f5c833ff7e882abe
6. 0x622475170ec3f7482ac2e4896a09c7ba222721e6367340b23e237adf9b6c0ab2
7. 0xfb227a8eb182a1095eb3edf3fa36652f8ffe74da917b847bd957b033c82fb8f3
8. 0xb2704534ec5e3cf350150a20ed35f388b9eb0484ceaf9a0094b99284d38f503b
9. 0x091243e4069dfd2eeb0b8dc6581a268965484e278ee245186f03e870f550fec2
10. 0xdb630840559ca98efe4caba77a155e418f81e1eb0b7bac122b345364c8b871dd
11. 0xf4fdcce8aa5f97c7e98aeab4ad558743dfee0aa6d4d12415896a148aee663b17
12. 0x111576180a2fecebcaf560e6b72ed8cefedaacb8c607539ece417b7465831f66
13. 0x96eae331a78c1c9248bc58130ff83d31b884760a51fe7191de2a39105ae7c072
14. 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae