← The evidence ledger
Evidence row 2201683
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://land-survey.x402tookit.com/sun-times
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- d615881560e517144f36ab7f44acc3156608608abdb09af3dc9703848dbc9ac9
- Leaf
- 0xe833b26f5805e941e1cfe5e746e3eea847a7c9746fb89cb74fe6ce0a9d57b427
What was observed
{
"endpoints": [
[
"x402",
"https://land-survey.x402tookit.com/sun-times"
]
],
"name": "Land Survey Screening",
"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": "Sunrise, sunset, civil twilight and day length for a latitude/longitude and date, in UTC and a chosen UTC offset.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"date": "2026-06-21",
"lat": 39.7392,
"lon": -104.9903,
"utc_offset_hours": -6
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-11T03:48:11.146Z",
"civilTwilightEndLocal": "21:04",
"civilTwilightEndUtc": "2026-06-22T03:04:03.784Z",
"civilTwilightStartLocal": "04:59",
"civilTwilightStartUtc": "2026-06-21T10:59:30.473Z",
"date": "2026-06-21",
"dayLengthMinutes": 899,
"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.",
"lat": 39.7392,
"lon": -104.9903,
"notChecked": [
"terrain horizons (hills and buildings shorten the usable day)",
"atmospheric refraction variation (a standard 0.833 degree correction is used)",
"…1 more"
],
"reasons": [
"Times are for flat terrain at sea level. First light is civil twilight start (sun 6 degrees below the horizon)."
],
"solarNoonUtc": "2026-06-21T19:01:47.128Z",
"source": "computed locally",
"summary": "2026-06-21: sunrise 05:32, sunset 20:31 (UTC-6); day length 14 h 59 min.",
"sunriseLocal": "05:32",
"sunriseUtc": "2026-06-21T11:32:11.744Z",
"sunsetLocal": "20:31",
"sunsetUtc": "2026-06-22T02:31:22.513Z",
"utcOffsetHours": -6,
"verdict": "COMPUTED"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"date": {
"description": "YYYY-MM-DD, default today (UTC)",
"type": "string"
},
"lat": {
"description": "Latitude",
"type": "number"
},
"lon": {
"description": "Longitude",
"type": "number"
},
"utc_offset_hours": {
"description": "Show local clock times at this offset, e.g. -6",
"type": "number"
}
},
"required": [
"lat",
"lon"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"civilTwilightEndLocal": {
"type": [
"null",
"string"
]
},
"civilTwilightEndUtc": {
"type": [
"null",
"string"
]
},
"civilTwilightStartLocal": {
"type": [
"null",
"string"
]
},
"civilTwilightStartUtc": {
"type": [
"null",
"string"
]
},
"date": {
"type": [
"null",
"string"
]
},
"dayLengthMinutes": {
"type": [
"null",
"number"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"lat": {
"type": [
"null",
"number"
]
},
"lon": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"solarNoonUtc": {
"type": [
"null",
"string"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"sunriseLocal": {
"type": [
"null",
"string"
]
},
"sunriseUtc": {
"type": [
"null",
"string"
]
},
"sunsetLocal": {
"type": [
"null",
"string"
]
},
"sunsetUtc": {
"type": [
"null",
"string"
]
},
"utcOffsetHours": {
"type": [
"null",
"number"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T23:32:58.5Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-01T23:32:58.339Z"
},
"resource": "https://land-survey.x402tookit.com/sun-times",
"serviceName": "Land Survey Screening",
"tags": [
"sun",
"sunrise",
"drone",
"planning"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Sunrise, sunset, civil twilight and day length for a latitude/longitude and date, in UTC and a chosen UTC offset."
}What the leaf hashes
{"body":"d615881560e517144f36ab7f44acc3156608608abdb09af3dc9703848dbc9ac9","id":2201683,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646807851977,"prev":null,"subject":"x402_bazaar:https://land-survey.x402tookit.com/sun-times","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).
- 0xe833aadbfd6948170921d58982f43797b2f2691e0c21477e0ba2cd28d45300ac
- 0x2946d8b3ada79dbb1b2dde95886643bd62b89cbd3308a4b810bd3349ceff3bf9
- 0x22c4f941f453588cac80e915776a914a8d4ac5dc3ae5df91554a248ddbed1ed2
- 0x216cd131422f3344ff9a21bd53ba122fb0bf39b5327257e66b0d12ee4bb6c75a
- 0xddd7729191a30f9e0366cdb1ee46defa3b715e893f27a92f290b157b50912887
- 0x1611e5f1f2f5e396d34a24fbc0af24b95b0575b91eb12a53c52585803b61c6f9
- 0x63782c604c3377da00fdb7b0d3b16c5285643705749421158ebc28f006601769
- 0x57cbf55777eff55ab29af9c06a216e22e9d8ed72444bc539aee78de8538ccb62
- 0x6ef4f5039a95d8d63a5ddb3eb80b1592d7a41170f8744795e0963b49009446b8
- 0x069079eecd417dc7260a2829088c970ddf1db3afda4800d4be021fd33dea64f3
- 0x539b790d68c0b6a309b522634b35f80bf5a78c4a6477a411e00939a1c31f6a60
- 0x841ad4eaef71169e03e95d2082a5c83db1b3a56a9753b17df04fe34aa579b749
- 0x0418958fa118b0a6a70d8e336a1073213853f5a3502b9ffc66202cc82d3dd472
- 0xf02baa2f8f9b385919b2f698b2e9351b84bd44118a8d5a72f2d1303df2c329b4
- 0xd643f764eee39146411d4bff8903a327f4f8f55616e14e57281a245206d6ed2b
- 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
- 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af