addrbookFor publishers
← The evidence ledger

Evidence row 75650

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://fuelscout.scalpstream.com/fuel
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
b926011ffaef15a1671b98f8d5df0ef64508103cf5100a9c96203653026874df
Leaf
0x6723ab4ce52a1cda5d0227a98cbf4eea4835e370c04d578c3f5cee4ff2c17e27

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://fuelscout.scalpstream.com/fuel"
    ]
  ],
  "name": "fuelscout.scalpstream.com/fuel",
  "owner_address": "0xd0f5d2e48e67a265174593ace2cd540337c1564a",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "expiresAt": 1792807586,
          "invoiceId": "inv_Yu1d_VMvK-2FyLADHBk9CA",
          "name": "USD Coin",
          "sig": "LBStkFJuX5Ylzf0QvBchQFIluydHaUJvLNZVm6K54JI",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0xD0f5d2E48e67A265174593aCe2cd540337C1564a",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "expiresAt": 1792807586,
          "invoiceId": "inv_NJvFzxOy-NATgAyfjrbPRg",
          "name": "USD Coin",
          "sig": "B-_bi8QsyRqnykd-6cvorcm_vng4qciL1nWmGMH-j94",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:42161",
        "payTo": "0xD0f5d2E48e67A265174593aCe2cd540337C1564a",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cc03d5c3359",
        "extra": {
          "expiresAt": 1792807586,
          "invoiceId": "inv_4PuWG_9ZMv4ZxgQ6K2oPiw",
          "name": "USD Coin",
          "sig": "W40U_91cN0GTRTQ9Eg-CLD1nyRMOAGC04ct_RmEZdJA",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:137",
        "payTo": "0xD0f5d2E48e67A265174593aCe2cd540337C1564a",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "expiresAt": 1792807586,
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
          "invoiceId": "inv_FraEdDJTf7Ohw0yjJJ1I3w",
          "sig": "G42nDHB8qYCrh32YqV7aQK4Hatkt78D8BoJ6Gdv5Xq4"
        },
        "maxTimeoutSeconds": 60,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "B8bZRDbEcQbYMGUwTNRRMyUV3ctg4VzdFKSJbdGuhwb6",
        "scheme": "exact"
      },
      {
        "amount": "7743",
        "asset": "XRP",
        "extra": {
          "expiresAt": 1792807586,
          "invoiceId": "inv_tRJkHs_MmI3ESOQDLx3cxg",
          "sig": "llZs5ChA6KdrrVmXCj9Ye1XPK41kqN_WzLpcx0gZhuE"
        },
        "maxTimeoutSeconds": 60,
        "network": "xrpl:0",
        "payTo": "rwV5T9Gnr5EBH9rJ2G4NABc4bun2XEkHaD",
        "scheme": "exact"
      },
      {
        "amount": "0.01",
        "asset": "524C555344000000000000000000000000000000",
        "extra": {
          "expiresAt": 1792807586,
          "invoiceId": "inv_5RA6Fd9nN4_OmnGQ02IycA",
          "issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
          "sig": "9eNkKGTOHDRLWTzUjuth07-IGemH8p_xZ120PpfkKi8"
        },
        "maxTimeoutSeconds": 60,
        "network": "xrpl:0",
        "payTo": "rwV5T9Gnr5EBH9rJ2G4NABc4bun2XEkHaD",
        "scheme": "exact"
      }
    ],
    "description": "FuelScout cheapest-fuel query (station-level where open data exists, regional averages otherwise)",
    "extensions": {
      "bazaar": {
        "description": "Cheapest-fuel query for a location and grade. Station-level where governments publish open data (Spain, France, Italy), official regional averages for the US via EIA. Optional smart ranking weighs the pump price against the fuel and time spent on the detour.",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "country": "ES",
              "grade": "diesel",
              "lat": "40.4168",
              "lon": "-3.7038",
              "smart": "1"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "country": "ES",
              "currency": "EUR",
              "disclaimer": "Fuel prices are sourced from official government open data and may be delayed; confirm the price at the pump before purchasing. This is factual reference data, not advice.",
              "grade": "diesel",
              "price_usd": "0.01",
              "resolution": "station-level",
              "service": "FuelScout",
              "stations": [
                {
                  "address": "Calle de Alcalá 120, Madrid",
                  "all_in_cost": 1.421,
                  "distance_km": 2.4,
                  "name": "Repsol Alcalá 120",
                  "price": 1.409
                }
              ]
            },
            "format": "application/json",
            "type": "json"
          }
        },
        "schema": {
          "properties": {
            "average": {
              "type": "number"
            },
            "country": {
              "type": "string"
            },
            "currency": {
              "type": "string"
            },
            "disclaimer": {
              "type": "string"
            },
            "grade": {
              "type": "string"
            },
            "price_usd": {
              "type": "string"
            },
            "resolution": {
              "type": "string"
            },
            "service": {
              "type": "string"
            },
            "stations": {
              "items": {
                "properties": {
                  "address": {
                    "type": "string"
                  },
                  "all_in_cost": {
                    "type": "number"
                  },
                  "distance_km": {
                    "type": "number"
                  },
                  "name": {
                    "type": "string"
                  },
                  "price": {
                    "type": "number"
                  }
                },
                "type": "object"
              },
              "type": "array"
            }
          },
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-24T02:04:26.654Z",
    "quality": {
      "l30DaysTotalCalls": 11,
      "l30DaysUniquePayers": 9,
      "lastCalledAt": "2026-10-24T02:04:26.328Z"
    },
    "resource": "https://fuelscout.scalpstream.com/fuel",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "FuelScout cheapest-fuel query (station-level where open data exists, regional averages otherwise)"
}

What the leaf hashes

{"body":"b926011ffaef15a1671b98f8d5df0ef64508103cf5100a9c96203653026874df","id":75650,"kind":"listing","method":"baseline/1","observed_us":1793025490946001,"prev":null,"subject":"x402_bazaar:https://fuelscout.scalpstream.com/fuel","subject_kind":"source_record"}

Proof

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

  1. 0x672402e29505ac6dcdc0fab0cbbe27f3b6b2454ffb190efcc51ef5ea059f1d33
  2. 0xf7e7f449a4f6747dd6e14126023fd6cc230ff9bd65c667408db09a25381dac19
  3. 0x13fb46a214a75b81f658572487a8a1dea2db6cb6eeaebf5e76ed1e50ce66bca6
  4. 0xc8f3cefc10044d652c91539f4a48c1f0b1bd790ecb21cd94729d3225aafd42aa
  5. 0x4067fef30a37c1371dc84a6442b4256093d2e6fdb38c8d8fb300dd63345cad72
  6. 0xad200d8512115e808b7bb5ae4b4a53b030d82f4489f787c06026f812072d4cd9
  7. 0xa0ecd2c10dab1f3dc3204bdcd5410373a28256b20449616f8798f89ff5938a72
  8. 0x51cf0851546fe88aabbf15ff3cd5ec59da268f44404d0a2b987fbe7f721fb7a3
  9. 0xe49cd474b6e588aa72674a2bd7fec0e694068e34c3a0dac8b4f6322f24150951
  10. 0x8abff743dd157f0225d59527cbd5a558fe9044a13b8251e90cdf945d405603a0
  11. 0x13951c97c827e2025801573dada28cfb5f8038c9b4de741f9d526cb67b3fe605
  12. 0x260682fd6ecd274e73505c5e0bd798abdd0e702afca4f8eebd4331b607a6b175
  13. 0x5f350d70c252ff1169c0210fd45fce1b0ab8d7316f048741a9e90a6c8cb65dcf
  14. 0x9a79c65e077cd9da9d436b3ade6f5ddc0d244510c4d5903ef2f02d81205f7666
  15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
  16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
  17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON