← The evidence ledger
Evidence row 64351
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://airport.openverbs.com/v1/airport
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- cf33409a104a18f80feba9ba8d74b6b3e68a0b0fadc4795a0b0433af6d150b24
- Leaf
- 0x817da8416b052df6680fd8cd283d23204b64d967e7603807241ec01433bd59eb
What was observed
{
"endpoints": [
[
"x402",
"https://airport.openverbs.com/v1/airport"
]
],
"name": "Airport lookup by IATA/ICAO code",
"owner_address": "0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a",
"raw": {
"accepts": [
{
"amount": "2000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
"scheme": "exact"
}
],
"description": "Look up an airport by its 3-letter IATA code or 4-character ICAO code. Provide exactly one. Returns the airport name, both codes, city, country, coordinates, elevation and type.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"iata": "SFO"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"iata": {
"description": "3-letter IATA code, e.g. \"JFK\".",
"type": "string"
},
"icao": {
"description": "4-character ICAO code, e.g. \"KJFK\".",
"type": "string"
}
},
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-06T17:00:24.978Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-06T17:00:24.694Z"
},
"resource": "https://airport.openverbs.com/v1/airport",
"serviceName": "Airport lookup by IATA/ICAO code",
"tags": [
"airport lookup",
"iata code lookup",
"icao code lookup",
"airport by code",
"airport code api"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Look up an airport by its 3-letter IATA code or 4-character ICAO code. Provide exactly one. Returns the airport name, both codes, city, country, coordinates, elevation and type."
}What the leaf hashes
{"body":"cf33409a104a18f80feba9ba8d74b6b3e68a0b0fadc4795a0b0433af6d150b24","id":64351,"kind":"listing","method":"baseline/1","observed_us":1793025456511264,"prev":null,"subject":"x402_bazaar:https://airport.openverbs.com/v1/airport","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).
- 0x817dc3d9b9bee5c5e853ddda097d4b71ebdb165ce62f97b768fc66ea7a38958c
- 0x6008a33095a55c9fffb756d96e064b7d0d9e896bcf4125359b57f84dc3cb242b
- 0xbc5cc915ce896b0a0b673c27cd4420e28f16f972575ce75b53c47f57edfba0b1
- 0x074ce1e28de18b9788351fc34b9791765c220e3b23aec267776a62f5e528d2ee
- 0x0c7b1e4660ebc0a2c9178c6842141085f5bc5d9076f87e8ab73d2fe9b48fb18d
- 0xb31773234290180aeb23c66f5a074af623367353131233ef5099f212f25ae8c4
- 0x50f3ec2bd37ddf61d812e975916009c7032918577542c05cac4a12ae674ca4ec
- 0x058daea78be33f148246e4db7872c0a2b4c80a3a015726e833a1fa509e1e2709
- 0x0663d749810a359fb0c24bc646f7a866c267732ce10aaf675e4f9ec2d95e520f
- 0xa6bf3e233d964bf47c35e307fb1e82a9db46b720ed0d1a887fab65896dbfda9a
- 0xb998e012b473bde18346485cd0b7b8b31ab48d5f22ba9bc660bb2e523161e255
- 0x08155d70132f82e370214fc5b72194dfa6f5e57670b7bcf74776e8418302897e
- 0x4d2ee986a690e903126f449b4e9e62d5572b350357ab4496a83488949b131c29
- 0x0eff463856b0992d53ab7d8c0b97c71541413358bdd445710c1e4b6aeb4d8f78
- 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
- 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae