← 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).
- 0x672402e29505ac6dcdc0fab0cbbe27f3b6b2454ffb190efcc51ef5ea059f1d33
- 0xf7e7f449a4f6747dd6e14126023fd6cc230ff9bd65c667408db09a25381dac19
- 0x13fb46a214a75b81f658572487a8a1dea2db6cb6eeaebf5e76ed1e50ce66bca6
- 0xc8f3cefc10044d652c91539f4a48c1f0b1bd790ecb21cd94729d3225aafd42aa
- 0x4067fef30a37c1371dc84a6442b4256093d2e6fdb38c8d8fb300dd63345cad72
- 0xad200d8512115e808b7bb5ae4b4a53b030d82f4489f787c06026f812072d4cd9
- 0xa0ecd2c10dab1f3dc3204bdcd5410373a28256b20449616f8798f89ff5938a72
- 0x51cf0851546fe88aabbf15ff3cd5ec59da268f44404d0a2b987fbe7f721fb7a3
- 0xe49cd474b6e588aa72674a2bd7fec0e694068e34c3a0dac8b4f6322f24150951
- 0x8abff743dd157f0225d59527cbd5a558fe9044a13b8251e90cdf945d405603a0
- 0x13951c97c827e2025801573dada28cfb5f8038c9b4de741f9d526cb67b3fe605
- 0x260682fd6ecd274e73505c5e0bd798abdd0e702afca4f8eebd4331b607a6b175
- 0x5f350d70c252ff1169c0210fd45fce1b0ab8d7316f048741a9e90a6c8cb65dcf
- 0x9a79c65e077cd9da9d436b3ade6f5ddc0d244510c4d5903ef2f02d81205f7666
- 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae