← The evidence ledger
Evidence row 2202216
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://aviation-weather.x402tookit.com/metar
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 544361386a1e6effbe173f4eb4bac9387c39964bdc40582f74acb16015c7c8b0
- Leaf
- 0x3d00dbaff6f8d9e47c007f4c41cf9c01330ed91f2914a8710c418551fe63cc44
What was observed
{
"endpoints": [
[
"x402",
"https://aviation-weather.x402tookit.com/metar"
]
],
"name": "Aviation Weather",
"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": "Latest airport weather by ICAO code, decoded: flight category VFR/MVFR/IFR/LIFR, wind, visibility, ceiling, temperature.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"icao": "KJFK"
},
"type": "http"
},
"output": {
"example": {
"ageMinutes": 52,
"altimeterHpa": 1031.6,
"asOf": "2026-10-11T03:43:17.299Z",
"category": "VFR",
"ceilingFt": 25000,
"clouds": [
"SCT15000",
"BKN25000"
],
"degraded": false,
"dewpointC": 11.1,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"elevationM": 3,
"feedCategory": "VFR",
"gustKt": null,
"name": "New York/JF Kennedy Intl, NY, US",
"notChecked": [
"forecast (see /taf)",
"conditions between reporting stations",
"…1 more"
],
"observed": "2026-10-11T02:51:00.000Z",
"raw": "METAR KJFK 110251Z 09006KT 10SM SCT150 BKN250 14/11 A3046 RMK AO2 SLP314 T01440111 50001",
"reasons": [
"Flight category computed from ceiling and visibility: VFR (feed says VFR).",
"Report is 52 minutes old."
],
"source": "NWS Aviation Weather Center",
"sourceUrl": "https://aviationweather.gov/data/api",
"station": "KJFK",
"summary": "KJFK New York/JF Kennedy Intl, NY, US: VFR; wind 90° 6 kt, visibility 10 mi, ceiling 25000 ft, 14.4°C.",
"tempC": 14.4,
"verdict": "VFR",
"visibilityMi": 10,
"weather": null,
"windDir": 90,
"windKt": 6
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"icao": {
"description": "4-letter ICAO airport code, e.g. KJFK, KORD, EGLL",
"type": "string"
}
},
"required": [
"icao"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"ageMinutes": {
"type": [
"null",
"number"
]
},
"altimeterHpa": {
"type": [
"null",
"number"
]
},
"asOf": {
"type": [
"null",
"string"
]
},
"category": {
"type": [
"null",
"string"
]
},
"ceilingFt": {
"type": [
"null",
"number"
]
},
"clouds": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"dewpointC": {
"type": [
"null",
"number"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"elevationM": {
"type": [
"null",
"number"
]
},
"feedCategory": {
"type": [
"null",
"string"
]
},
"gustKt": {},
"name": {
"type": [
"null",
"string"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"observed": {
"type": [
"null",
"string"
]
},
"raw": {
"type": [
"null",
"string"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"sourceUrl": {
"type": [
"null",
"string"
]
},
"station": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"tempC": {
"type": [
"null",
"number"
]
},
"verdict": {
"type": [
"null",
"string"
]
},
"visibilityMi": {
"type": [
"null",
"number"
]
},
"weather": {},
"windDir": {
"type": [
"null",
"number"
]
},
"windKt": {
"type": [
"null",
"number"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T22:38:20.311Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-01T22:38:20.137Z"
},
"resource": "https://aviation-weather.x402tookit.com/metar",
"serviceName": "Aviation Weather",
"tags": [
"aviation",
"metar",
"weather"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Latest airport weather by ICAO code, decoded: flight category VFR/MVFR/IFR/LIFR, wind, visibility, ceiling, temperature."
}What the leaf hashes
{"body":"544361386a1e6effbe173f4eb4bac9387c39964bdc40582f74acb16015c7c8b0","id":2202216,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646813794665,"prev":null,"subject":"x402_bazaar:https://aviation-weather.x402tookit.com/metar","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).
- 0x3d00cccabf71d5d94d9f3de709921c568576d77694a3f4e5c70237ad80865a95
- 0x0d0f3ef48bb72918facce46051a83bd4eb8b01edf1df3606520a1b388c5f7a24
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- 0xc239f8baf30c64e1f38359d260b6e2074a8cdb8e801a056c380acda3b5bc0ddd
- 0xf19b8cb123a6735e67779a9a6567cad9d9d1514141cc636dccadd3896b73eedf
- 0xf613e70cd99c3cbacfc0a1f60a5bcc9b9f34a3bbb1ca27d4875e8985ffa42d46
- 0x29d3a4ba7eb45b4b256204d0bc8142eceb392a41e12dfdc03a74c957f98bebe6
- 0x0f032d965e77a1a7baf494a1734562573d6ab6ee2395f5e1eae97da7ed78af2c
- 0xe7fc2c051b1e6a9c08e32c446995f46deea4166d45efef52e01248018f9904cb
- 0x0dc50bf438bd21300d281be30d192dcf720cdd7e5762e66499b4bfdd2be20396
- 0x594a62aefb46bb850fc4670add4c3d9510ccbbb7516910e86690053885b3ec76
- 0xbac6cdbbc8a23e8233870d7aae1d614c0c1fe809d0e40a72ec73dff09341aa56
- 0x507a2180313be0729754aef4a9f5ae0f5f1b96b322bfe83831a668afc9bd9d5e
- 0x637ba5f029eadccf80c2665ace422cf50802b8ffd21717811c25c8f068f65dc8
- 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
- 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
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- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af