← The evidence ledger
Evidence row 2202171
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://wikidata-facts.x402tookit.com/place-profile
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 50c03d922ebfc2edc730a245ad644d05f6321d995c4c56592e47c4bad75f5e44
- Leaf
- 0xb307cf54eb63f28ea36e91e8e056c3f7b06b9c528416e3600be9a2e00d4ccf84
What was observed
{
"endpoints": [
[
"x402",
"https://wikidata-facts.x402tookit.com/place-profile"
]
],
"name": "Wikidata Facts",
"owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
"raw": {
"accepts": [
{
"amount": "40000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "40000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"transactionVersions": [
0
]
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
"scheme": "exact"
},
{
"amount": "40000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "40000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
}
],
"description": "City or place profile from Wikidata: coordinates, population, country, elevation, time zone, with property ids.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"hint": "Colorado",
"place": "Denver"
},
"type": "http"
},
"output": {
"example": {
"alternatives": [
{
"description": "airport in Denver, Colorado, United States",
"id": "Q330015",
"label": "Denver International Airport"
}
],
"asOf": "2026-10-11T08:44:06.173Z",
"attribution": "Data: Wikidata, CC0 1.0 public domain dedication (https://www.wikidata.org/wiki/Wikidata:Licensing).",
"degraded": false,
"description": "consolidated city-county and capital of the U.S. state of Colorado",
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"facts": {
"areaKm2": {
"asOf": "2016",
"property": "P2046",
"unit": "km2",
"value": 401.36
},
"coordinates": {
"property": "P625",
"value": {
"lat": 39.73917,
"lon": -104.98472
}
},
"country": {
"property": "P17",
"values": [
{
"id": "Q30",
"label": "United States"
}
]
},
"elevationM": {
"property": "P2044",
"value": 1609
},
"instanceOf": {
"property": "P31",
"values": [
{
"id": "Q3301053",
"label": "consolidated city-county"
},
{
"id": "Q1549591",
"label": "big city"
}
]
},
"locatedIn": {
"property": "P131",
"values": [
{
"id": "Q1261",
"label": "Colorado"
}
]
},
"population": {
"asOf": "2020",
"property": "P1082",
"rank": "preferred",
"value": 715522
},
"timeZone": {
"property": "P421",
"values": []
}
},
"label": "Denver",
"missing": [
"timeZone (P421)"
],
"notChecked": [
"whether the population is a recent census or an old estimate beyond the date shown",
"boundaries and administrative changes since the statement was entered",
"…1 more"
],
"reasons": [
"Not stated in Wikidata: timeZone (P421).",
"Coordinates use the Earth globe (Q2) when stated; population is the latest dated statement (preferred rank first)."
],
"resolvedVia": "search",
"source": "Wikidata (CC0)",
"sourceUrl": "https://www.wikidata.org",
"summary": "Denver (Q16554): United States; population 715,522 (2020); at 39.73917, -104.98472.",
"url": "https://www.wikidata.org/wiki/Q16554",
"verdict": "PROFILE_WITH_GAPS",
"wikidataId": "Q16554"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"hint": {
"description": "Optional words to disambiguate, e.g. 'Texas' for Paris",
"type": "string"
},
"place": {
"description": "Place name or Wikidata Q-id, e.g. Denver or Q16554",
"type": "string"
}
},
"required": [
"place"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"alternatives": {
"items": {
"properties": {
"description": {
"type": [
"null",
"string"
]
},
"id": {
"type": [
"null",
"string"
]
},
"label": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"asOf": {
"type": [
"null",
"string"
]
},
"attribution": {
"type": [
"null",
"string"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"description": {
"type": [
"null",
"string"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"facts": {
"properties": {
"areaKm2": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"property": {
"type": [
"null",
"string"
]
},
"unit": {
"type": [
"null",
"string"
]
},
"value": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"coordinates": {
"properties": {
"property": {
"type": [
"null",
"string"
]
},
"value": {
"properties": {
"lat": {
"type": [
"null",
"number"
]
},
"lon": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
}
},
"type": [
"null",
"object"
]
},
"country": {
"properties": {
"property": {
"type": [
"null",
"string"
]
},
"values": {
"items": {
"properties": {
"id": {
"type": [
"null",
"string"
]
},
"label": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
}
},
"type": [
"null",
"object"
]
},
"elevationM": {
"properties": {
"property": {
"type": [
"null",
"string"
]
},
"value": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"instanceOf": {
"properties": {
"property": {
"type": [
"null",
"string"
]
},
"values": {
"items": {
"properties": {
"id": {
"type": [
"null",
"string"
]
},
"label": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
}
},
"type": [
"null",
"object"
]
},
"locatedIn": {
"properties": {
"property": {
"type": [
"null",
"string"
]
},
"values": {
"items": {
"properties": {
"id": {
"type": [
"null",
"string"
]
},
"label": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
}
},
"type": [
"null",
"object"
]
},
"population": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"property": {
"type": [
"null",
"string"
]
},
"rank": {
"type": [
"null",
"string"
]
},
"value": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"timeZone": {
"properties": {
"property": {
"type": [
"null",
"string"
]
},
"values": {
"type": [
"array",
"null"
]
}
},
"type": [
"null",
"object"
]
}
},
"type": [
"null",
"object"
]
},
"label": {
"type": [
"null",
"string"
]
},
"missing": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"resolvedVia": {
"type": [
"null",
"string"
]
},
"source": {
"type": [
"null",
"string"
]
},
"sourceUrl": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"url": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
},
"wikidataId": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T22:39:18.244Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-01T22:39:18.082Z"
},
"resource": "https://wikidata-facts.x402tookit.com/place-profile",
"serviceName": "Wikidata Facts",
"tags": [
"place",
"city",
"wikidata",
"coordinates",
"population"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "City or place profile from Wikidata: coordinates, population, country, elevation, time zone, with property ids."
}What the leaf hashes
{"body":"50c03d922ebfc2edc730a245ad644d05f6321d995c4c56592e47c4bad75f5e44","id":2202171,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646813624452,"prev":null,"subject":"x402_bazaar:https://wikidata-facts.x402tookit.com/place-profile","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).
- 0xb307e7980809ff3d339accb39472f3ccb3f531014b63d76ae8a15e8c4aa413cd
- 0xe46952ed3d364c02602e6a35fbe2ece0c5e43fe4768e2d5ab958b6b90e960e92
- 0xf3c58b398641950b00c06c0dd31286e921225dcd3072ff5576c14dc962674140
- 0x65fb42d6f566c024aff243c0a4f9e0385d3fb92ba93c2b9d906fe7add6116ccb
- 0x10fd285cb18a0a8c2a022744756efd5a71d67c4bfa16652e4baabefbc7e6d17d
- 0xa14c4a3da024c260c214815aa594da0838170754157e64ebad0d10c1929992d0
- 0x10b9d42c75cafd193a07d7fc1e9ace11882075c7a9972f582569d6e4c3a21a25
- 0x3dc9af0d596baea95d88f29cee3270405c4f5fc63a0834fbb84065831faefa67
- 0xb47eb53a68562f074eef44094a56c33152e64ecc2e737b97095891d1f7e1d4ac
- 0x58cd3711c4abe985c7ca992d675d399adad4579602747949a4cbfb96a0efe55c
- 0x3d0a2547dec864364e3c3fb4378551700daf6ef2cfd80877a17c75a057766423
- 0x5a16d9a413a0d0f13ba2cfc534ad3f57d0c3d4b675ce737e9827e56f932e79d3
- 0xf214768748b83271814cb189e6d8ee47b2a524b5f96a73f108b1dc6771b128e1
- 0x2f8469a138f90dfcfc93d4f817bc8f20341a871e08f629fe27a2cd40dbfeb340
- 0x793184605629cd36ba80a07cbe115ca35e8923297bf024260c6f5c06b255f638
- 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
- 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af