← The evidence ledger
Evidence row 2202173
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://wikidata-facts.x402tookit.com/identifier-lookup
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b86b1de177e38ebc88d9ee0400b2d6a7ca69b9a36fa09212ed63b553c59d31b6
- Leaf
- 0x1059869094d1b48aeb3c9b61ee1f700efe8bde7307b562048e09f55f8d879416
What was observed
{
"endpoints": [
[
"x402",
"https://wikidata-facts.x402tookit.com/identifier-lookup"
]
],
"name": "Wikidata Facts",
"owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
"raw": {
"accepts": [
{
"amount": "30000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "30000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"transactionVersions": [
0
]
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
"scheme": "exact"
},
{
"amount": "30000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "30000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
}
],
"description": "Find the Wikidata entity for an ISBN, ORCID, IMDb id, ISO code, VIAF, GeoNames id or DOI, with check-digit validation.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"type": "iso-alpha2",
"value": "FR"
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-11T08:43:39.332Z",
"attribution": "Data: Wikidata, CC0 1.0 public domain dedication (https://www.wikidata.org/wiki/Wikidata:Licensing).",
"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.",
"matches": [
{
"description": "country in Western Europe and other continents (through its overseas territories in America, Africa and Oceania)",
"id": "Q142",
"label": "France",
"url": "https://www.wikidata.org/wiki/Q142"
}
],
"normalised": "FR",
"notChecked": [
"identifiers Wikidata does not hold (absence here is not proof the identifier is unassigned)",
"whether the identifier is currently valid at its issuing authority",
"…1 more"
],
"property": "P297",
"reasons": [
"Matched on the exact Wikidata statement value."
],
"source": "Wikidata (CC0)",
"sourceUrl": "https://www.wikidata.org",
"summary": "ISO 3166-1 alpha-2 country code FR is Q142, France (country in Western Europe and other continents (through its overseas territories in America, Africa and Oceania)).",
"type": "iso-alpha2",
"valid": true,
"value": "FR",
"verdict": "MATCH_FOUND"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"type": {
"description": "One of: isbn, orcid, imdb, iso-alpha2, iso-alpha3, iso-numeric, iso-4217, iso-639-1, viaf, geonames, doi",
"type": "string"
},
"value": {
"description": "The identifier, e.g. 9780141439518 or FR or nm0000093",
"type": "string"
}
},
"required": [
"type",
"value"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"attribution": {
"type": [
"null",
"string"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"matches": {
"items": {
"properties": {
"description": {
"type": [
"null",
"string"
]
},
"id": {
"type": [
"null",
"string"
]
},
"label": {
"type": [
"null",
"string"
]
},
"url": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"normalised": {
"type": [
"null",
"string"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"property": {
"type": [
"null",
"string"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"sourceUrl": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"type": {
"type": [
"null",
"string"
]
},
"valid": {
"type": [
"boolean",
"null"
]
},
"value": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T22:39:12.43Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-01T22:39:12.268Z"
},
"resource": "https://wikidata-facts.x402tookit.com/identifier-lookup",
"serviceName": "Wikidata Facts",
"tags": [
"identifiers",
"isbn",
"orcid",
"imdb",
"iso-3166"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Find the Wikidata entity for an ISBN, ORCID, IMDb id, ISO code, VIAF, GeoNames id or DOI, with check-digit validation."
}What the leaf hashes
{"body":"b86b1de177e38ebc88d9ee0400b2d6a7ca69b9a36fa09212ed63b553c59d31b6","id":2202173,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646813630484,"prev":null,"subject":"x402_bazaar:https://wikidata-facts.x402tookit.com/identifier-lookup","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).
- 0x105948526f6d4fecd94b002853653675c82b9acb85e6c251094ee828eb0d2e1a
- 0x06073030a89f2018c7d2878b7c2c6c41d475fdf1f9b3678396acadf03f98fa3e
- 0xbd3dcbe76c10b261b156d658995bd670fcabff0b3af6916db11fe52f6a162ce3
- 0xf1f66924444606becaa83f7b5a759c1b3871cf022b757d5e55a491ad84f32c05
- 0x9963f39b7fdf61e30445ff0fdf05107daef8b4b24274c8755001746ebbf0fc1a
- 0xe4ca215cb183f3fbfe8ca75f01034b5e6f43975621397a535b56cfe359e6a2fe
- 0x125952ebb2d32bbc4de607930ac57e12b49d7fcb6c9fdd89c7c2e7443ea03f55
- 0x2336856539519831bb74428a7a170c9dc8433512421b012fb5cf5b50bb19b45e
- 0x10f4f51d77c136c74f0156da856c3a1c5c64e18d0c89c8c53c0517d7f28bd25f
- 0xb2e01a7c5e8234c65832a081aa9b5be19a6e338dcd8c92f1897ae069595bc3e4
- 0x2d4712bd1203bc5244fa0599fa09618cba6739106dab26a3d111b0ec8558f41e
- 0x37c4ce84bc1fbced66397add5bebabce40461398a546a037487c5eeb7879648d
- 0xaed8243a14c659d2324c6748095467bfaec6927f1294091015e04180dda07dd7
- 0x9914dfe331775bd1714304f757d2b6b43ba45167245d645ce50f54a3d8617c4d
- 0xd82979c12a2aae44121bb6058b3364b3a3cbc9be411e35ab0208df5ed56f65d4
- 0x7cb861d18f06406535ade133f716d897f27d257cf0121f99d94c78c713c4b54d
- 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
- 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af