← The evidence ledger
Evidence row 2202212
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://world-cities.x402tookit.com/country-cities-summary
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 0b519e9255565422f099c97b6e4803884ac964bc1772566718bfee21f62689dc
- Leaf
- 0x8cf4fd2a18f172a0afe36c19b35d23826092a7596a0b27ec9da932278beff9b8
What was observed
{
"endpoints": [
[
"x402",
"https://world-cities.x402tookit.com/country-cities-summary"
]
],
"name": "World Cities",
"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": "Country summary of listed cities: count, total population, largest, northernmost, southernmost, capital, time zones.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"country": "JP"
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-21T06:28:05.639Z",
"attribution": "City data: GeoNames (geonames.org), licensed CC BY 4.0, cities15000 snapshot 2026-10-21. Crowd-edited; populations and coordinates may be dated.",
"capital": {
"lat": 35.6895,
"lon": 139.69171,
"name": "Tokyo",
"population": 9733276
},
"cityCount": 1216,
"country": {
"capitalName": "Tokyo",
"code": "JP",
"continent": "AS",
"iso3": "JPN",
"name": "Japan",
"population": 123366734
},
"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.",
"easternmost": {
"lat": 43.32361,
"lon": 145.575,
"name": "Nemuro",
"population": 31223
},
"largest": {
"lat": 35.6895,
"lon": 139.69171,
"name": "Tokyo",
"population": 9733276
},
"northernmost": {
"lat": 45.40944,
"lon": 141.67389,
"name": "Wakkanai",
"population": 33869
},
"notChecked": [
"people living in places under about 15,000 (so the city total is far below the national population)",
"metro-area populations",
"…1 more"
],
"reasons": [
"The listed cities hold about 107.3% of the country's GeoNames population (123,366,734); the rest live in smaller places or are counted differently."
],
"shareOfCountryPopulationPct": 107.3,
"smallest": {
"lat": 36.46667,
"lon": 138.18333,
"name": "Sakaki",
"population": 15025
},
"source": "GeoNames cities15000 (CC BY 4.0)",
"southernmost": {
"lat": 24.34478,
"lon": 124.15717,
"name": "Ishigaki",
"population": 47637
},
"summary": "Japan: 1216 listed cities with 132,342,909 people in total; largest Tokyo (9,733,276).",
"timezones": [
{
"cities": 1216,
"id": "Asia/Tokyo"
}
],
"totalCityPopulation": 132342909,
"verdict": "SUMMARIZED",
"westernmost": {
"lat": 24.34478,
"lon": 124.15717,
"name": "Ishigaki",
"population": 47637
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"country": {
"description": "ISO 3166 code or country name, e.g. JP or Japan",
"type": "string"
}
},
"required": [
"country"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"attribution": {
"type": [
"null",
"string"
]
},
"capital": {
"properties": {
"lat": {
"type": [
"null",
"number"
]
},
"lon": {
"type": [
"null",
"number"
]
},
"name": {
"type": [
"null",
"string"
]
},
"population": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"cityCount": {
"type": [
"null",
"number"
]
},
"country": {
"properties": {
"capitalName": {
"type": [
"null",
"string"
]
},
"code": {
"type": [
"null",
"string"
]
},
"continent": {
"type": [
"null",
"string"
]
},
"iso3": {
"type": [
"null",
"string"
]
},
"name": {
"type": [
"null",
"string"
]
},
"population": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"easternmost": {
"properties": {
"lat": {
"type": [
"null",
"number"
]
},
"lon": {
"type": [
"null",
"number"
]
},
"name": {
"type": [
"null",
"string"
]
},
"population": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"largest": {
"properties": {
"lat": {
"type": [
"null",
"number"
]
},
"lon": {
"type": [
"null",
"number"
]
},
"name": {
"type": [
"null",
"string"
]
},
"population": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"northernmost": {
"properties": {
"lat": {
"type": [
"null",
"number"
]
},
"lon": {
"type": [
"null",
"number"
]
},
"name": {
"type": [
"null",
"string"
]
},
"population": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"shareOfCountryPopulationPct": {
"type": [
"null",
"number"
]
},
"smallest": {
"properties": {
"lat": {
"type": [
"null",
"number"
]
},
"lon": {
"type": [
"null",
"number"
]
},
"name": {
"type": [
"null",
"string"
]
},
"population": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"source": {
"type": [
"null",
"string"
]
},
"southernmost": {
"properties": {
"lat": {
"type": [
"null",
"number"
]
},
"lon": {
"type": [
"null",
"number"
]
},
"name": {
"type": [
"null",
"string"
]
},
"population": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"timezones": {
"items": {
"properties": {
"cities": {
"type": [
"null",
"number"
]
},
"id": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"totalCityPopulation": {
"type": [
"null",
"number"
]
},
"verdict": {
"type": [
"null",
"string"
]
},
"westernmost": {
"properties": {
"lat": {
"type": [
"null",
"number"
]
},
"lon": {
"type": [
"null",
"number"
]
},
"name": {
"type": [
"null",
"string"
]
},
"population": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T22:38:23.731Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-01T22:38:23.547Z"
},
"resource": "https://world-cities.x402tookit.com/country-cities-summary",
"serviceName": "World Cities",
"tags": [
"cities",
"country",
"population",
"summary"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Country summary of listed cities: count, total population, largest, northernmost, southernmost, capital, time zones."
}What the leaf hashes
{"body":"0b519e9255565422f099c97b6e4803884ac964bc1772566718bfee21f62689dc","id":2202212,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646813778764,"prev":null,"subject":"x402_bazaar:https://world-cities.x402tookit.com/country-cities-summary","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).
- 0x8cf51723e80b113d6c94d96bae6c7b98c47e99a3282572c7e7579e65196ca44f
- 0xbe362a45a60e5a0c3107f57ae4dd7834d1f88023fd0a0b63bf899391dd0c22de
- 0xc4ec57f3de1833154ae8cc4ebe5caec4c144db6068ae80471afa7504399e7048
- 0x9320b8df52efeafcf67711447ca92693d0c9e78b98fc848e654f61cf8d55c3f4
- 0xbdc6cff4860ab0f86e7b3d8b09630a76c2473c88e529912c9a7ac94c4d9a1c0c
- 0xcf56ff5254274d5f50421e668873e5f1bb151a131c85274af681fae4e9e2ec7c
- 0x745dc92405326d6dca8be6fa6aaa0123ca27f115c7139d3eb46ca6c9794b2ec5
- 0x34c161ddc74863f1642bbd3c6b5b9825b262aa41832d2f77ee0c8a27747fed72
- 0x73ff3a903f062e13cdd5fea3178a16d9cc2fa98173989cf8cc3fc093206fa46e
- 0x94e10e0d83ab542200e532385982aa8bfb73e0b72a3df6bb42140c1615c002f1
- 0xd88142e3c7e9e887a9b6e99ef3182753fd259cfb4ff85b35ec43d3140cc0f1ff
- 0x64e6d9f48ece4f265c71969cfa52ab965cc8c6b6a74b6f5dfc2a18bdff2995d2
- 0x749638e83897749b17c0b5a0587a19541d9c0e6d95590918e98f786991029466
- 0xf38c9617f655dc8f7c8fa11461cb30752d581a6bbb15051130839452c80c4270
- 0x510fa2c647d18bb802da12cf41e17d136163e6624e69ed77e15235c4284b69c7
- 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
- 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af