Evidence row 126065

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402.forgemesh.io/car-mpg-lookup"
    ]
  ],
  "name": "x402.forgemesh.io/car-mpg-lookup",
  "owner_address": "0x850363a27f0ac6feb9c7a3ec4c1d295262df9432",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x850363a27F0aC6fEb9C7a3eC4C1d295262dF9432",
        "scheme": "exact"
      }
    ],
    "description": "MPG lookup for any US-market car since 1984: official test-cycle city, highway, and combined miles per gallon plus fuel type and CO2 per mile, by year/make/model or VIN. Multiple engine/transmission variants are returned with ids so you can query the exact one. Clean structured JSON.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "make": "Honda",
              "model": "Accord",
              "model_year": "2020"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "attribution": "US DOE/EPA fuel economy database (public domain)",
              "fuel_economy": {
                "annual_fuel_cost_usd": 1600,
                "city_mpg": 26,
                "co2_tailpipe_g_per_mi": 302,
                "combined_mpg": 29,
                "fuel_type": "Regular",
                "highway_mpg": 35
              },
              "matched_variant": {
                "description": "2020 Honda Accord — Man 6-spd 1.5L",
                "vehicle_id": 42069
              },
              "offers": {
                "disclosure": "Affiliate links: they fund the free data; the price is the same for you.",
                "history_reports": [
                  {
                    "adds": "title brands, accidents, odometer readings, prior sales",
                    "label": "EpicVIN vehicle history report",
                    "partner": "epicvin",
                    "pricing": "per report",
                    "url": "https://forgemesh.io/go/epicvin"
                  },
                  {
                    "adds": "title brands, accident and damage records, odometer readings, prior sales",
                    "label": "Detailed Vehicle History report (10% off)",
                    "partner": "dvh",
                    "pricing": "per report, coupon applied",
                    "url": "https://forgemesh.io/go/dvh"
                  }
                ],
                "note": "Our data above is free public NHTSA/EPA data for the model year. Whether THIS VIN was wrecked, flooded, rolled back or branded salvage lives in licensed title databases; these partners sell that per VIN."
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "make": {
                      "description": "e.g. Honda",
                      "type": "string"
                    },
                    "model": {
                      "description": "e.g. Accord",
                      "type": "string"
                    },
                    "model_year": {
                      "description": "4-digit year, 1984+",
                      "type": "string"
                    },
                    "vehicle_id": {
                      "description": "exact variant id from other_variants",
                      "type": "integer"
                    },
                    "vin": {
                      "description": "VIN — decoded automatically (alternative to make/model/model_year)",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "info": {
        "required": false
      },
      "offer-receipt": {
        "info": {
          "offers": [
            {
              "acceptIndex": 0,
              "format": "eip712",
              "payload": {
                "amount": "5000",
                "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
                "network": "eip155:8453",
                "payTo": "0x850363a27F0aC6fEb9C7a3eC4C1d295262dF9432",
                "resourceUrl": "https://x402.forgemesh.io/car-mpg-lookup",
                "scheme": "exact",
                "validUntil": 1792961315,
                "version": 1
              },
              "signature": "0xfcf65a59d2856845f26339f2a5a67475b131c933c7438e8080b546bf339f9fe21bb1f85be5276fd27e132220200c33a51bb7dbf175749469dc7901c55490caf11b"
            }
          ]
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "offers": {
              "items": {
                "properties": {
                  "acceptIndex": {
                    "type": "integer"
                  },
                  "format": {
                    "type": "string"
                  },
                  "payload": {
                    "properties": {
                      "amount": {
                        "type": "string"
                      },
                      "asset": {
                        "type": "string"
                      },
                      "network": {
                        "type": "string"
                      },
                      "payTo": {
                        "type": "string"
                      },
                      "resourceUrl": {
                        "type": "string"
                      },
                      "scheme": {
                        "type": "string"
                      },
                      "validUntil": {
                        "type": "integer"
                      },
                      "version": {
                        "type": "integer"
                      }
                    },
                    "required": [
                      "version",
                      "resourceUrl",
                      "scheme",
                      "network",
                      "asset",
                      "payTo",
                      "amount"
                    ],
                    "type": "object"
                  },
                  "signature": {
                    "type": "string"
                  }
                },
                "required": [
                  "format",
                  "signature"
                ],
                "type": "object"
              },
              "type": "array"
            }
          },
          "required": [
            "offers"
          ],
          "type": "object"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "id": {
            "maxLength": 128,
            "minLength": 16,
            "pattern": "^[a-zA-Z0-9_-]+$",
            "type": "string"
          },
          "required": {
            "type": "boolean"
          }
        },
        "required": [
          "required"
        ],
        "type": "object"
      }
    },
    "lastUpdated": "2026-10-25T20:43:35.594Z",
    "quality": {
      "l30DaysTotalCalls": 6,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-25T20:43:35.398Z"
    },
    "resource": "https://x402.forgemesh.io/car-mpg-lookup",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "MPG lookup for any US-market car since 1984: official test-cycle city, highway, and combined miles per gallon plus fuel type and CO2 per mile, by year/make/model or VIN. Multiple engine/transmission variants are returned with ids so you can query the exact one. Clean structured JSON."
}

What the leaf hashes

{"body":"b3a338f9715991a427aa7836192c62bbea0f5dfa5f87c4067197d51e89b3c696","id":126065,"kind":"listing","method":"baseline/1","observed_us":1793025627173273,"prev":null,"subject":"x402_bazaar:https://x402.forgemesh.io/car-mpg-lookup","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. 0xaf66c27811a32e9d5db9b127c2e8e9ec71a9e3ba1cfdecdb7da0c973c9576bc1
2. 0xa1fbe26580c12940cab17cc5e9aa8ac5755a3b9a583d5faa963e760756f50a44
3. 0xa6a9584f83e8a815b5b966dcdba0ca722123d32d3a083acb3f43617514020a44
4. 0xb0f69c7edf476ed01e6c81b4b21e687d8dd6d5a38a33c41a24443d4501c74f46
5. 0xb5f386a557f65ebfdc065771ee7a63afef1b2f53202b23f092d3351b7979c1d7
6. 0x87c57418c3df1bd1b1e3460f7c026ff120ddc5f526356b1d0ddf22f90d725c4e
7. 0x1c7f43805144bcd62424b82440c37f9687f9b7b229b6b0176de0cddf7c2f2bde
8. 0xf3a46a10edff952321a5b54954ae817fc638834d5e32c3c493127967d56210ac
9. 0x80af8dd94c860aa4d05f132e69527a203f01e83b2dc76be965a16b4db4a5fc9f
10. 0xcfa4bc1519c21b2a859b102250a82fc790ed215209a4c0fbfbe223ddbae52cad
11. 0x863ea2425c8cc958ae125e95c3e3170c9ac576a8c72849cb3f596e616b6fd6a8
12. 0xd17258d4f01d074dcaf38f36218b36058144c3d50c3b488953a815c54d6674d2
13. 0xe292b5a99219f136bce6647ce74b21240a1c7331d2475b1839220fd363c94217
14. 0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae