Evidence row 3064798

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://fuelprice.jonaspfannschmidt.com/v1/countries/:country"
    ]
  ],
  "name": "FuelPrice",
  "owner_address": "0xf234ecfddbd638700b6ed473059833c698467348",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0xF234EcFDDBd638700B6Ed473059833C698467348",
        "scheme": "exact"
      }
    ],
    "description": "National fuel prices for ten countries: the regulated maximum for Belgium, Luxembourg, Croatia and Slovenia, the official average for Germany and the United States, or a station mean for Spain, France, Italy and the United Kingdom. Suited to country comparisons and trip cost estimates.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "country": "BE"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "aggregate": {
                "completeness": "complete",
                "computed": false,
                "country": "BE",
                "granularity": "national_ceiling",
                "prices": [
                  {
                    "amount": "1.589",
                    "amount_eur": "1.589",
                    "currency": "EUR",
                    "fuel": "diesel",
                    "fx_observed_at": null,
                    "fx_rate": null,
                    "observed_at": "2026-11-02T06:00:00Z",
                    "observed_at_is_fetch_time": false,
                    "stale": false,
                    "unit": "litre",
                    "unit_converted_from": null
                  }
                ],
                "source": {
                  "attribution": "FPS Economy",
                  "id": "be-fps"
                },
                "station_count": null
              },
              "attributions": [
                "FPS Economy"
              ],
              "charged": true
            },
            "type": "json"
          }
        },
        "routeTemplate": "/v1/countries/:country",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "properties": {
                    "country": {
                      "description": "Uppercase ISO 3166-1 alpha-2 code of a covered country, listed free at /v1/coverage.",
                      "pattern": "^[A-Z]{2}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "country"
                  ],
                  "type": "object"
                },
                "queryParams": {
                  "properties": {
                    "fuel": {
                      "description": "Comma-separated fuels: diesel, diesel_premium, petrol_e5, petrol_e10, petrol_98, lpg, cng. Omit for every fuel.",
                      "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": "2026-11-04T07:18:16.993Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-04T07:18:16.476Z"
    },
    "resource": "https://fuelprice.jonaspfannschmidt.com/v1/countries/:country",
    "serviceName": "FuelPrice",
    "tags": [
      "fuel",
      "prices",
      "energy",
      "travel",
      "logistics"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "National fuel prices for ten countries: the regulated maximum for Belgium, Luxembourg, Croatia and Slovenia, the official average for Germany and the United States, or a station mean for Spain, France, Italy and the United Kingdom. Suited to country comparisons and trip cost estimates."
}

What the leaf hashes

{"body":"3e5469e5ed294113ee6ae633a5fb2040850e11794a76cda911f95cdd49b6d554","id":3064798,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793822233111391,"prev":2633162,"subject":"x402_bazaar:https://fuelprice.jonaspfannschmidt.com/v1/countries/:country","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0xaa3d12484b9869f898d8b7946b377a802b3a7007c44de5aae63467b6595eea15
2. 0xd8a94eae66023b3856ee150fb5db8205e55889cb32181557aff379ee5f58d5ff
3. 0xf002724f8f00931877eaba220c0b5a15a32dd442e81a2394cf80341d1835cf7b
4. 0xdf95da05923552a0ffe769a22f50ac18ae7c172506e7d87a5a9aff8f421e2e34
5. 0x3d77e398a10811ca566f6a01b89d3a30239a51655897264c873f28ae2df71043
6. 0xf4526aaeb54d83777eb7f7be240182f13d08db25171b5f9df2370f847194ae02
7. 0x040f648d57cc26ba871f33845554c1fe0cdc81d49946029caa51183d011889cf
8. 0xb9eaa6360438416193a96ccbf345ba1633bf8c2533dea14124b0a31f82453138
9. 0x42acc3f12089aca090e9df27226048323974211b292391c794a3ebdf77e70dce
10. 0xfa0ad64cf14809cb3ede809d89988f1a25808f306e6609368cc49ebd787c73c0
11. 0x1a7c75d6d0dd0828351ca968d58b0a0a21f2d9d2cc50acb3443a73f77ab6bd6d
12. 0x8c66efd3383b404bbd3b66c728c1d0d0f49ac3c9342d8ac16e9e3f3f7d54f473
13. 0xc51fedd768d0d81ea02837d406f0eec5f4090d36df0f2e032b1a90a20e5aab35
14. 0x92d1546649a38d8855383d420506ec911477e147ade62c89c02d41d334c9a7f9
15. 0x9efef3631f971f9adf134dd93a6862b2ba10ef6a355b78514b4cc469a0d1496c
16. 0xaf6861b690de8e69efdec688615139e2df9624a773d4c6017d1ef5841d1ac724
17. 0x321a352f90893ccd0656c1544d31825cd29cf74464e924a4ca7fb29b1f8ee0fd
18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345