← The evidence ledger
Evidence row 2201783
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://research-papers.x402tookit.com/author-profile
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- dee7acd5651d0ab4e8921e222b587321a20db3301e09b156fe1ce770603b770d
- Leaf
- 0x2817f2d7d2979861ec3e505d995003e10296c481db77bad1a62da5ea372edfcb
What was observed
{
"endpoints": [
[
"x402",
"https://research-papers.x402tookit.com/author-profile"
]
],
"name": "Research Paper Checks",
"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": "Researcher profile by name: works, citations, h-index and institution of the best match, with an ambiguity warning.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"name": "Geoffrey Hinton"
},
"type": "http"
},
"output": {
"example": {
"alternatives": [
{
"citations": 482724,
"institution": "Canadian Institute for Advanced Research",
"name": "Yoshua Bengio",
"works": 1344
},
{
"citations": 52,
"institution": null,
"name": "James A. Anderson and Geoffrey E. Hinton",
"works": 1
}
],
"asOf": "2026-10-11T03:50:58.646Z",
"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.",
"match": {
"citations": 511881,
"hIndex": 147,
"i10Index": 328,
"id": "https://openalex.org/A5108093963",
"institution": "Microsoft (United States)",
"name": "Geoffrey E. Hinton",
"orcid": null,
"topTopics": [
"Neural Networks and Applications",
"Bayesian Modeling and Causal Inference",
"…1 more"
],
"twoYearMeanCitedness": 24.53,
"works": 430
},
"notChecked": [
"whether this is the person you mean",
"self-citation share",
"…1 more"
],
"reasons": [
"Several researchers match; verify with the institution or ORCID before relying on these numbers.",
"Author disambiguation is automatic and imperfect: works can be merged or split."
],
"source": "OpenAlex",
"sourceUrl": "https://api.openalex.org",
"summary": "Geoffrey E. Hinton: 430 works, 511,881 citations, h-index 147, Microsoft (United States). 1 other author(s) with a similar profile share the name.",
"verdict": "AMBIGUOUS_NAME"
},
"type": "json"
}
},
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"properties": {
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"properties": {
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"type": "string"
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"queryParams": {
"properties": {
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"type": "string"
}
},
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"type": "object"
},
"type": {
"const": "http",
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}
},
"required": [
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"type": "object"
},
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"works": {
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"degraded": {
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},
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"match": {
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},
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}
},
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},
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},
"lastUpdated": "2026-11-01T23:26:09.006Z",
"quality": {
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"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-01T23:26:08.702Z"
},
"resource": "https://research-papers.x402tookit.com/author-profile",
"serviceName": "Research Paper Checks",
"tags": [
"authors",
"researchers",
"h-index"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Researcher profile by name: works, citations, h-index and institution of the best match, with an ambiguity warning."
}What the leaf hashes
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Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
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- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af