← The evidence ledger
Evidence row 68788
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.sitecheck-api.workers.dev/api/distance
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- fb70aa607aca77ec77a8938cc55feeb9b97f9e2806b3c5e31de1a9c6aba99001
- Leaf
- 0x772d0b591cd8e541515763c4af1ee6ebf62ac2f7375b1396e1bc0d7b1aea89cb
What was observed
{
"endpoints": [
[
"x402",
"https://api.sitecheck-api.workers.dev/api/distance"
]
],
"name": "SiteCheck",
"owner_address": "0xb8491f953e6860d3b5840b73c60883ff099ceafa",
"raw": {
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"invoiceId": "36adb1d3-fcf3-448b-a37b-7e63c93061b7",
"issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
"sourceTag": 804681468
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"network": "xrpl:0",
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{
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"asset": "XRP",
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],
"description": "The great-circle distance between two points in km and miles, the initial bearing and the midpoint. Each point is a lat,lon pair or a place name (geocoded with OpenStreetMap data, ODbL). Straight-line distance only, not a route.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"from": "Berlin",
"to": "Istanbul"
},
"type": "http"
},
"output": {
"example": {
"checkedAt": "2026-10-14T07:00:47.494Z",
"distanceKm": 1738.21,
"distanceMiles": 1080.07,
"from": {
"label": "Berlin, Deutschland",
"lat": 52.5173885,
"lon": 13.3951309
},
"initialBearingDeg": 131.2,
"midpoint": {
"lat": 47.02386,
"lon": 22.02567
},
"source": "haversine on a 6371 km sphere; place names from OpenStreetMap (Nominatim, ODbL)",
"to": {
"label": "İstanbul, Fatih, İstanbul, Marmara Bölgesi, 34122, Türkiye",
"lat": 41.006381,
"lon": 28.9758715
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"from": {
"description": "lat,lon or a place name",
"type": "string"
},
"to": {
"description": "lat,lon or a place name",
"type": "string"
}
},
"required": [
"from",
"to"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
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}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
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],
"type": "object"
}
}
},
"lastUpdated": "2026-10-25T07:17:44.589Z",
"quality": {
"l30DaysTotalCalls": 4,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-25T07:17:43.74Z"
},
"resource": "https://api.sitecheck-api.workers.dev/api/distance",
"serviceName": "SiteCheck",
"tags": [
"distance",
"great circle",
"haversine",
"bearing",
"coordinates"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "The great-circle distance between two points in km and miles, the initial bearing and the midpoint. Each point is a lat,lon pair or a place name (geocoded with OpenStreetMap data, ODbL). Straight-line distance only, not a route."
}What the leaf hashes
{"body":"fb70aa607aca77ec77a8938cc55feeb9b97f9e2806b3c5e31de1a9c6aba99001","id":68788,"kind":"listing","method":"baseline/1","observed_us":1793025468237622,"prev":null,"subject":"x402_bazaar:https://api.sitecheck-api.workers.dev/api/distance","subject_kind":"source_record"}Proof
Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.