← The evidence ledger
Evidence row 2202231
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://aviation-weather.x402tookit.com/airport-conditions
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 28ed114fa2b1cc0e294925413a7f9b4028516c31293cf9de082b72154f549cb5
- Leaf
- 0x339d3680e55e5afe4bc4f7fcce4fe489e81323609167f631985b483f47058748
What was observed
{
"endpoints": [
[
"x402",
"https://aviation-weather.x402tookit.com/airport-conditions"
]
],
"name": "Aviation Weather",
"owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
"raw": {
"accepts": [
{
"amount": "30000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "30000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"transactionVersions": [
0
]
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
"scheme": "exact"
},
{
"amount": "30000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "30000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
}
],
"description": "Airport weather now and ahead in one call: current flight category, worst forecast category, wind and trend.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"hours": 6,
"icao": "KORD"
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-11T03:43:15.514Z",
"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.",
"icao": "KORD",
"lookAheadHours": 6,
"notChecked": [
"winds aloft, icing, turbulence",
"official briefing",
"…1 more"
],
"now": {
"ageMinutes": 52,
"altimeterHpa": 1018,
"category": "VFR",
"ceilingFt": null,
"clouds": [
"SCT25000"
],
"dewpointC": 8.3,
"elevationM": 202,
"feedCategory": "VFR",
"gustKt": null,
"name": "Chicago/O'Hare Intl, IL, US",
"observed": "2026-10-11T02:51:00.000Z",
"raw": "METAR KORD 110251Z 15009KT 10SM SCT250 19/08 A3006 RMK AO2 SLP175 T01940083 51003 $",
"station": "KORD",
"tempC": 19.4,
"visibilityMi": 10,
"weather": null,
"windDir": 150,
"windKt": 9
},
"reasons": [
"Forecast periods overlapping the window were checked.",
"Observation is 52 minutes old."
],
"source": "NWS Aviation Weather Center",
"sourceUrl": "https://aviationweather.gov/data/api",
"summary": "KORD: VFR now, worst in 6h VFR; wind 150° 9 kt.",
"verdict": "VFR_STEADY",
"worstCategoryAhead": "VFR",
"worstStartsAt": null
},
"type": "json"
}
},
"schema": {
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"properties": {
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"properties": {
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"type": "string"
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"queryParams": {
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"type": "integer"
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"type": "string"
}
},
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"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
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"null"
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},
"disclaimer": {
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"null",
"string"
]
},
"icao": {
"type": [
"null",
"string"
]
},
"lookAheadHours": {
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"number"
]
},
"notChecked": {
"items": {
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},
"type": [
"array",
"null"
]
},
"now": {
"properties": {
"ageMinutes": {
"type": [
"null",
"number"
]
},
"altimeterHpa": {
"type": [
"null",
"number"
]
},
"category": {
"type": [
"null",
"string"
]
},
"ceilingFt": {},
"clouds": {
"items": {
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},
"type": [
"array",
"null"
]
},
"dewpointC": {
"type": [
"null",
"number"
]
},
"elevationM": {
"type": [
"null",
"number"
]
},
"feedCategory": {
"type": [
"null",
"string"
]
},
"gustKt": {},
"name": {
"type": [
"null",
"string"
]
},
"observed": {
"type": [
"null",
"string"
]
},
"raw": {
"type": [
"null",
"string"
]
},
"station": {
"type": [
"null",
"string"
]
},
"tempC": {
"type": [
"null",
"number"
]
},
"visibilityMi": {
"type": [
"null",
"number"
]
},
"weather": {},
"windDir": {
"type": [
"null",
"number"
]
},
"windKt": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"reasons": {
"items": {
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},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"sourceUrl": {
"type": [
"null",
"string"
]
},
"summary": {
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"null",
"string"
]
},
"verdict": {
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"null",
"string"
]
},
"worstCategoryAhead": {
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"null",
"string"
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},
"worstStartsAt": {}
},
"type": "object"
},
"type": {
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}
},
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],
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}
},
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],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T22:38:05.024Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-01T22:38:04.737Z"
},
"resource": "https://aviation-weather.x402tookit.com/airport-conditions",
"serviceName": "Aviation Weather",
"tags": [
"aviation",
"weather",
"briefing-aid"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Airport weather now and ahead in one call: current flight category, worst forecast category, wind and trend."
}What the leaf hashes
{"body":"28ed114fa2b1cc0e294925413a7f9b4028516c31293cf9de082b72154f549cb5","id":2202231,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646814053630,"prev":null,"subject":"x402_bazaar:https://aviation-weather.x402tookit.com/airport-conditions","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