Evidence row 2201835

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://units-convert.x402tookit.com/fuel-economy"
    ]
  ],
  "name": "Units and Conversions",
  "owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "transactionVersions": [
            0
          ]
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      }
    ],
    "description": "Convert fuel economy between US mpg, UK mpg, km per litre and litres per 100 km, with optional trip fuel and cost.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "distance_miles": 300,
              "price_per_gallon_us": 3.5,
              "unit": "mpg_us",
              "value": 32
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T04:01:05.480Z",
              "degraded": false,
              "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
              "kmPerLiter": 13.6046,
              "litersPer100Km": 7.3505,
              "mpgUk": 38.43,
              "mpgUs": 32,
              "notChecked": [
                "real-world consumption (differs from rated figures)",
                "electric vehicles (use kWh per 100 miles instead)"
              ],
              "reasons": [
                "US and UK gallons differ (3.785 L vs 4.546 L), so the two mpg figures differ by 20%."
              ],
              "source": "computed locally",
              "summary": "32 mpg_us = 32 US mpg = 38.43 UK mpg = 13.6046 km/L = 7.3505 L/100 km. A 300-mile trip uses 9.375 gal costing $32.81.",
              "tripCostUsd": 32.81,
              "tripGallonsUs": 9.375,
              "tripLiters": 35.49,
              "verdict": "CONVERTED"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "distance_miles": {
                      "description": "Trip length in miles for fuel and cost",
                      "type": "number"
                    },
                    "price_per_gallon_us": {
                      "description": "Fuel price per US gallon",
                      "type": "number"
                    },
                    "unit": {
                      "description": "mpg_us, mpg_uk, km_per_l or l_per_100km",
                      "type": "string"
                    },
                    "value": {
                      "description": "The fuel-economy figure",
                      "type": "number"
                    }
                  },
                  "required": [
                    "value",
                    "unit"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "kmPerLiter": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "litersPer100Km": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "mpgUk": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "mpgUs": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "tripCostUsd": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "tripGallonsUs": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "tripLiters": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T23:24:01.869Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-01T23:24:01.687Z"
    },
    "resource": "https://units-convert.x402tookit.com/fuel-economy",
    "serviceName": "Units and Conversions",
    "tags": [
      "fuel",
      "mpg",
      "vehicles"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Convert fuel economy between US mpg, UK mpg, km per litre and litres per 100 km, with optional trip fuel and cost."
}

What the leaf hashes

{"body":"68e9e2051daa76e6db7f69f02c19af484659a11d49e9ed036a5afca97c28c4a2","id":2201835,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646809078103,"prev":null,"subject":"x402_bazaar:https://units-convert.x402tookit.com/fuel-economy","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x4000d93c346516c2930b26e78b2cef02466182656aaceb8ec476762d7c601be1
2. 0xa7fded2cc260136dc50cce3816daf39e2fc6e0aad580574b6a51508494405dd6
3. 0x7911e1ef9d2e4509d5129b71a175a85fa3ed2edee1fe11f7b41ac54d5a783d9d
4. 0x133568c0c73cc76079597c933cf33efebaf0e878775fbc64f016c16349e780a8
5. 0xdedf45cdacbb3d01e4859e63df095c312f6674b236bf000421b7f75da0a059c1
6. 0xca1602d92029ceefc148f8f51f1080610fc9ab2b355392302f96ec280ac1954f
7. 0x18de4dbd91aa7eddd8b244f45d1e4673737d3b2889b79fd7b698e82f0efdeba2
8. 0x74376de63e3af0e2da6b6ca3877e00b99353cf86e54b829af56c442d868464c7
9. 0x39641c5c6045e29fba8f56826c7852a8363f3b462de82585abd8dbb962cb4850
10. 0x25bc1500526fdd08538435f4b2b6ce4383e9d0ad1fda9be1146104246ca62764
11. 0x0d14ef51bcadc56e6732ab07b2ba69e4a2427bf4d83f4d4546571fff994d980a
12. 0x68e43cd8c3974680608754c4f2fcde66bfda1af2a2aeb32ec2d69634438483c7
13. 0x1a30e008133011de2f6376e0b8ac235c7b5fd254513a57eac575300e54ac3544
14. 0x2205fefa1140121f3fe567e386a9612e8f7236f2a6b4c18d07e5fc4d08bd90e5
15. 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af