← The evidence ledger
Evidence row 2202276
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://airlines-reference.x402tookit.com/airline-search
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 0c7b397d23992ea8ed1eb0e2d8c4c5005714bbe062ca8ecfcee7a415a03f68e3
- Leaf
- 0x0e36149433b22d32c7c80afb76a762948e912f14b40e14926c6b8d9b51cec5e1
What was observed
{
"endpoints": [
[
"x402",
"https://airlines-reference.x402tookit.com/airline-search"
]
],
"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": "Search airlines by name fragment (min 2 chars), active first, optional active filter, capped at 50 results.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"active": "Y",
"limit": 5,
"q": "united"
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-21T05:49:00.700Z",
"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.",
"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.",
"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",
"…1 more"
],
"query": "united",
"reasons": [
"Showing 5 of 6."
],
"results": [
{
"active": true,
"alias": null,
"callsign": "UNITED",
"country": "United States",
"iata": "UA",
"icao": "UAL",
"name": "United Airlines",
"openflightsId": 5209,
"routesInSnapshot": 2180
},
{
"active": true,
"alias": null,
"callsign": "UNITED BANGLADESH",
"country": "Bangladesh",
"iata": "4H",
"icao": "UBD",
"name": "United Airways",
"openflightsId": 8463,
"routesInSnapshot": 32
}
],
"snapshot": "Static snapshot from 2017-02-02: airlines that started, stopped or changed codes since are not reflected.",
"source": "OpenFlights airlines.dat and routes.dat 2017 snapshot (ODbL 1.0), computed locally",
"summary": "6 airline(s) match \"united\"; first: United Airlines (UA).",
"total": 6,
"verdict": "FOUND"
},
"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 for active only, N for inactive only, any (default)",
"type": "string"
},
"limit": {
"description": "Results 1 to 50 (default 20)",
"type": "integer"
},
"q": {
"description": "Name fragment, e.g. 'united' or 'air nz'",
"type": "string"
}
},
"required": [
"q"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"attribution": {
"type": [
"null",
"string"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"query": {
"type": [
"null",
"string"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"results": {
"items": {
"properties": {
"active": {
"type": [
"boolean",
"null"
]
},
"alias": {},
"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"
]
},
"snapshot": {
"type": [
"null",
"string"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"total": {
"type": [
"null",
"number"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T22:35:52.658Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-01T22:35:52.487Z"
},
"resource": "https://airlines-reference.x402tookit.com/airline-search",
"serviceName": "Airlines Reference",
"tags": [
"airlines",
"search",
"iata",
"icao"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Search airlines by name fragment (min 2 chars), active first, optional active filter, capped at 50 results."
}What the leaf hashes
{"body":"0c7b397d23992ea8ed1eb0e2d8c4c5005714bbe062ca8ecfcee7a415a03f68e3","id":2202276,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646814858785,"prev":null,"subject":"x402_bazaar:https://airlines-reference.x402tookit.com/airline-search","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).
- 0x0e3651b71ac01331bdb0a5a6b2bfaa097a0e017edb28d792be428e5cbda74a9e
- 0x6ef46e74216039f766bbf281f7a2fbd95e57162b76874a24a495e7e716e37b03
- 0xe9c3577a38370dca2e4e3b4ff8df41fc0918c4735fb8cb9198ef6aab72d66beb
- 0xbfd158c5d8898112a10d7e4e5dbeb9e3f8242ff886f868fba0e313ad3dc17649
- 0x997f2e08533e33e1d931f8d700cdca483475ec73a5831dc8cad686042d5a3b91
- 0xc901b961d983126bf634f14c44540cd13655421399dde3a11984a51b9194fd63
- 0x721ec93dc394e16c3e939369cb087de4a4410084bd5055d074ed6534dcd868e7
- 0xc5720a6818a6b3ab4e98ecf24f4269da04d7189e48947645381442601df1d772
- 0xd39978cd8d274d3261e619ce746a13477c5c5f7003322bd3969598b9780ff8b9
- 0xe96ddc49722cb53d1b18a75d6edc7114ce3286a31d502131d1ea1acf29d07d04
- 0x0b7443f583ca8da092bfbe51bed3f8f05b14934644ed004d1d626632ec80e0ee
- 0x1f774502ee7a3003241373a41b7ad9c63117bf4cc0d75ccaed5b0bf8d86cccad
- 0xaed8243a14c659d2324c6748095467bfaec6927f1294091015e04180dda07dd7
- 0x9914dfe331775bd1714304f757d2b6b43ba45167245d645ce50f54a3d8617c4d
- 0xd82979c12a2aae44121bb6058b3364b3a3cbc9be411e35ab0208df5ed56f65d4
- 0x7cb861d18f06406535ade133f716d897f27d257cf0121f99d94c78c713c4b54d
- 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
- 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af