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Evidence row 2633162

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://fuelprice.jonaspfannschmidt.com/v1/countries/:country
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
3ba75c18dbd857eb6a131090e7a1386de7acba8e9888009825cfc47938f20306
Leaf
0xe4ff3d193d05a60a8647615fce248cda889b223ddf255b4708e65c744da4f106

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": "2026-11-03T11:19:26.107Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-03T11:19:25.676Z"
    },
    "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":"3ba75c18dbd857eb6a131090e7a1386de7acba8e9888009825cfc47938f20306","id":2633162,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793734401159146,"prev":null,"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 (425475 rows).

  1. 0xe4ff2f30a6d4cd0f1e5b7e7774667ab985715347de1efae663fe0c110b88f9ff
  2. 0x685f4315a9fa731554f9c88c734eb0383b8a37e71507a153c40bf9ffd04e0c71
  3. 0xa3c8fb32de27ce523c1ec3f2635d7c560fe146ae26afa8a05ab623e7afd7976b
  4. 0x6dcb0e6f474d464e01b2d05ca976e606b9878af5f60e49035c8b03c4d4a5a9d5
  5. 0x2d2d34ae47420a2d4551f1be055326fb989cec698a0f2c8506cb8edb76c4aca0
  6. 0xbf6cde1047211c733dd8806ff98c78edb67f8fcdc6c4c5ca8fc0124c6d81660c
  7. 0xce39a4ff3de4d8bc3f3c8136759e7943bd7361afb6d67cd3167cfcc0a335cdae
  8. 0xe844d83c7c21cb16916a2e18b06583f828d66d2f442dd5fd2699c77edcc8e0d7
  9. 0xce75d97bb59442c94a50c7ad5aaf84e47694b4123bcc2005fd2a60e2d70f19bb
  10. 0x298355be98446486747c5d1a85c407bbf9bd721eb451f761f54179601d94d6d7
  11. 0x0e6c3d64ce3a31c2664fd2e8cc383bd4e14ae0dcd9b9fc8ef16f9fce0ef0dd79
  12. 0x8a2b27ce9e13b66cef6d1fa09c15a96f8e498f7102ac3524efaae6737b11d546
  13. 0x45ba4607b58bd503d8501bd96a0477f9bb52f44b7e9c7927ec982f240f262131
  14. 0x88002651b75eed5296ce4ff2e29616d59737fbfdbd4eb1747342b2df0368963a
  15. 0x006ca23845a42a2d7f3ffca485568321f0deef0a65ff45709711a78f8e68aa0f
  16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
  17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
  18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
  19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON