← The evidence ledger
Evidence row 2202275
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://airlines-reference.x402tookit.com/airlines-by-country
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 6a4266ca76cca2f8a30b1f22f2877ad88c55bedea58bac69801c2009ada10131
- Leaf
- 0x322ded2bbf6b4a5599ca04c6fa0b49123b775f177322521359d4491140c5f168
What was observed
{
"endpoints": [
[
"x402",
"https://airlines-reference.x402tookit.com/airlines-by-country"
]
],
"name": "Airlines Reference",
"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": "List airlines of a country (name as OpenFlights spells it) with active filter and paging; 'list' gives country counts.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"active": "Y",
"country": "Japan",
"limit": 10
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-21T05:49:00.951Z",
"attribution": "Airline data: OpenFlights.org, Open Database License 1.0 (attribution and share-alike), static snapshot dated 2017-02-02; includes defunct airlines; route data is old.",
"country": "Japan",
"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.",
"matching": 22,
"notChecked": [
"whether the airline operates today: this is a 2017 snapshot and the active flag is as of then",
"airlines founded or renamed after the snapshot",
"…2 more"
],
"offset": 0,
"reasons": [
"Static snapshot from 2017-02-02: airlines that started, stopped or changed codes since are not reflected.",
"More results: raise offset."
],
"results": [
{
"active": true,
"alias": "ANA All Nippon Airways",
"callsign": "ALL NIPPON",
"country": "Japan",
"iata": "NH",
"icao": "ANA",
"name": "All Nippon Airways",
"openflightsId": 324,
"routesInSnapshot": 547
},
{
"active": true,
"alias": "JAL Japan Airlines",
"callsign": "JAPANAIR",
"country": "Japan",
"iata": "JL",
"icao": "JAL",
"name": "Japan Airlines",
"openflightsId": 2987,
"routesInSnapshot": 388
}
],
"source": "OpenFlights airlines.dat and routes.dat 2017 snapshot (ODbL 1.0), computed locally",
"summary": "Japan: 22 active airline(s) (49 in total, 22 active).",
"totalInCountry": 49,
"verdict": "LISTED"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"active": {
"description": "Y active only (default), N inactive only, any",
"type": "string"
},
"country": {
"description": "Country name like 'United States' or 'Japan', or 'list' for all country counts",
"type": "string"
},
"limit": {
"description": "Results 1 to 100 (default 50)",
"type": "integer"
},
"offset": {
"description": "Skip this many results (default 0)",
"type": "integer"
}
},
"required": [
"country"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"attribution": {
"type": [
"null",
"string"
]
},
"country": {
"type": [
"null",
"string"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"matching": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"offset": {
"type": [
"null",
"number"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"results": {
"items": {
"properties": {
"active": {
"type": [
"boolean",
"null"
]
},
"alias": {
"type": [
"null",
"string"
]
},
"callsign": {
"type": [
"null",
"string"
]
},
"country": {
"type": [
"null",
"string"
]
},
"iata": {
"type": [
"null",
"string"
]
},
"icao": {
"type": [
"null",
"string"
]
},
"name": {
"type": [
"null",
"string"
]
},
"openflightsId": {
"type": [
"null",
"number"
]
},
"routesInSnapshot": {
"type": [
"null",
"number"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"totalInCountry": {
"type": [
"null",
"number"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T22:35:55.691Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-01T22:35:55.528Z"
},
"resource": "https://airlines-reference.x402tookit.com/airlines-by-country",
"serviceName": "Airlines Reference",
"tags": [
"airlines",
"countries",
"aviation",
"directory"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "List airlines of a country (name as OpenFlights spells it) with active filter and paging; 'list' gives country counts."
}What the leaf hashes
{"body":"6a4266ca76cca2f8a30b1f22f2877ad88c55bedea58bac69801c2009ada10131","id":2202275,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646814855319,"prev":null,"subject":"x402_bazaar:https://airlines-reference.x402tookit.com/airlines-by-country","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
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- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af