← The evidence ledger
Evidence row 2202045
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://country-facts.x402tookit.com/country-compare
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- f98fa76141ff1b450937aa7754a0487fb8a32438700355e594a6cc56e7b58cb2
- Leaf
- 0x1580524850407b7ec30f2417460a101aeb56ca095253027eea462c67b39df7bb
What was observed
{
"endpoints": [
[
"x402",
"https://country-facts.x402tookit.com/country-compare"
]
],
"name": "Country Facts",
"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": "Compare two countries: size ratio, border crossings between them, shared currency and language, driving side, distance.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"a": "Germany",
"b": "France"
},
"type": "http"
},
"output": {
"example": {
"a": {
"alpha2": "DE",
"alpha3": "DEU",
"areaKm2": 357114,
"capital": [
"Berlin"
],
"drivingSide": "right",
"landlocked": false,
"name": "Germany",
"region": "Europe",
"subregion": "Western Europe"
},
"areaRatioAOverB": 0.647,
"asOf": "2026-10-12T00:54:57.956Z",
"b": {
"alpha2": "FR",
"alpha3": "FRA",
"areaKm2": 551695,
"capital": [
"Paris"
],
"drivingSide": "right",
"landlocked": false,
"name": "France",
"region": "Europe",
"subregion": "Western Europe"
},
"centrePointDistanceKm": 758,
"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.",
"landCrossings": 1,
"mutualNeighbours": [
{
"alpha2": "BE",
"alpha3": "BEL",
"name": "Belgium"
},
{
"alpha2": "LU",
"alpha3": "LUX",
"name": "Luxembourg"
}
],
"notChecked": [
"population, economy or culture (not in the tables)",
"distance is between approximate country centre points, not capitals or borders, and is a great-circle line (R = 6371 km)",
"…1 more"
],
"reasons": [],
"sameDrivingSide": true,
"sameRegion": true,
"sharedCurrencies": [
"EUR"
],
"sharedLanguages": [],
"sharesLandBorder": true,
"source": "Embedded country tables (mledoze/countries, IANA tz database, Wikidata)",
"summary": "Germany vs France: they share a land border; shared currency EUR; no shared official language; both drive on the right.",
"verdict": "NEIGHBOURS"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"a": {
"description": "First country, ISO code or English name",
"type": "string"
},
"b": {
"description": "Second country, ISO code or English name",
"type": "string"
}
},
"required": [
"a",
"b"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"a": {
"properties": {
"alpha2": {
"type": [
"null",
"string"
]
},
"alpha3": {
"type": [
"null",
"string"
]
},
"areaKm2": {
"type": [
"null",
"number"
]
},
"capital": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"drivingSide": {
"type": [
"null",
"string"
]
},
"landlocked": {
"type": [
"boolean",
"null"
]
},
"name": {
"type": [
"null",
"string"
]
},
"region": {
"type": [
"null",
"string"
]
},
"subregion": {
"type": [
"null",
"string"
]
}
},
"type": [
"null",
"object"
]
},
"areaRatioAOverB": {
"type": [
"null",
"number"
]
},
"asOf": {
"type": [
"null",
"string"
]
},
"b": {
"properties": {
"alpha2": {
"type": [
"null",
"string"
]
},
"alpha3": {
"type": [
"null",
"string"
]
},
"areaKm2": {
"type": [
"null",
"number"
]
},
"capital": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"drivingSide": {
"type": [
"null",
"string"
]
},
"landlocked": {
"type": [
"boolean",
"null"
]
},
"name": {
"type": [
"null",
"string"
]
},
"region": {
"type": [
"null",
"string"
]
},
"subregion": {
"type": [
"null",
"string"
]
}
},
"type": [
"null",
"object"
]
},
"centrePointDistanceKm": {
"type": [
"null",
"number"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"landCrossings": {
"type": [
"null",
"number"
]
},
"mutualNeighbours": {
"items": {
"properties": {
"alpha2": {
"type": [
"null",
"string"
]
},
"alpha3": {
"type": [
"null",
"string"
]
},
"name": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"reasons": {
"type": [
"array",
"null"
]
},
"sameDrivingSide": {
"type": [
"boolean",
"null"
]
},
"sameRegion": {
"type": [
"boolean",
"null"
]
},
"sharedCurrencies": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"sharedLanguages": {
"type": [
"array",
"null"
]
},
"sharesLandBorder": {
"type": [
"boolean",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T22:45:22.172Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-01T22:45:21.976Z"
},
"resource": "https://country-facts.x402tookit.com/country-compare",
"serviceName": "Country Facts",
"tags": [
"countries",
"compare",
"geography"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Compare two countries: size ratio, border crossings between them, shared currency and language, driving side, distance."
}What the leaf hashes
{"body":"f98fa76141ff1b450937aa7754a0487fb8a32438700355e594a6cc56e7b58cb2","id":2202045,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646812296526,"prev":null,"subject":"x402_bazaar:https://country-facts.x402tookit.com/country-compare","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).
- 0x1580715cefff1ecf540ae48518c1dbeb9d7625c0db583d2b43dfcc9ee5cf5e0b
- 0x7eaf9871dc34ba01be90cfce705f4908e424987bef1b87adc8be48ec544d72b5
- 0xbb3387cb0c026e7f90c8b76cdb4113d58ed55dab57519a549c157f2e3e552a9a
- 0x2d51b4bffad9e123727f8b81274dbc90170472345d895816fa13ff17acadb0d6
- 0x4272fdc603620f9271c5be70b8ffd57d75d471a354d4b44f9e92b60880942a96
- 0xb1ce13d98a71eccfefe2934dadb6c16cb073cb5d5b52b251b03bdd4e1f20517b
- 0x70766220b8ae02979a0fc943456eb774f428686fda073b0e87a24fe2a989f6e7
- 0x946a64e6ec1a9193ee1c77dcf1a6764b722f5a27cbbd8e48be8dcaba0f05a3a4
- 0x77e54071f96d7e5517bbb1f8d59f96a19427ff1e3377169989ed90554cd2720e
- 0x84b052500c69ab3497c367671b8d84864e6a7a2a6729b5a8979b6aeda0b2dd4d
- 0x5d8af36f8dd85806f8fe29f3e7fad48a8ca2fe71ec7570597adea823eeee2183
- 0x694772bd88c608c978c07a5b88c13f219f0e5b849a0c034e7cf4e9550d4e78c9
- 0xac2edb456c581283e2c60a03e146bbba52ffbe8a277ea7e858384f30bbc24d54
- 0xd35a6b56332d7bee4b13ce3efea77dd0a6863016f58691fb78e2e2faf7ab8e87
- 0xb6470417fdb2a0e3de9c1abb1722cbc88bc0dfb5afda0a77e1eac26ab1683ece
- 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
- 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
- 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af