← The evidence ledger
Evidence row 60345
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://2s.io/api/patents/epo-search
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- ae7a5a39776f1ef1e43b6c2e7e9bec0a23a1a858dea43d499b2bbdfc0d68cc71
- Leaf
- 0xc328e2d044e33c0a4f106691fb95b31cfa96f1a03de9b870ad97ddbb8a6895b9
What was observed
{
"endpoints": [
[
"x402",
"https://2s.io/api/patents/epo-search"
]
],
"name": "2s",
"owner_address": "0x2b6d4988db4723e6908db86ab2b8dfbc51fc32c5",
"raw": {
"accepts": [
{
"amount": "4500",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 60,
"network": "eip155:8453",
"payTo": "0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5",
"scheme": "exact"
},
{
"amount": "4500",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
"name": "USDC",
"version": "1"
},
"maxTimeoutSeconds": 60,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "TW6ntaGzvj63ZgPjszd4FCGmVTGfzv1MAYZbjYcyWhn",
"scheme": "exact"
}
],
"description": "Search worldwide patent publications via the European Patent Office's Open Patent Services (OPS). Pass a CQL query (e.g. ti=quantum computing, in=tesla, pa=siemens, cpc=H01M, pn=EP1000000) and get matching publications with country, document number, kind code, and a combined publication number, plus the total result count. Covers EP + 100+ patent authorities worldwide — net-new vs our US-only patents.search.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"limit": 1,
"q": "xx"
},
"type": "http"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"method": {
"const": "GET"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"limit": {
"maximum": 100,
"minimum": 1,
"type": "integer"
},
"q": {
"description": "CQL query, e.g. \"ti=quantum computing\" or \"pa=siemens and cpc=H01M\".",
"maxLength": 400,
"minLength": 2,
"type": "string"
}
},
"required": [
"q"
],
"type": "object"
},
"type": {
"const": "http"
}
},
"required": [
"type",
"method",
"queryParams"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1782067076/bazaar-icons/58f7ba8f2b3b8047.png",
"lastUpdated": "2026-10-08T06:13:44.818Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-08T06:13:44.67Z"
},
"resource": "https://2s.io/api/patents/epo-search",
"serviceName": "2s",
"tags": [
"public-records",
"identifiers",
"ai-agents",
"us-gov-data",
"x402"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Search worldwide patent publications via the European Patent Office's Open Patent Services (OPS). Pass a CQL query (e.g. ti=quantum computing, in=tesla, pa=siemens, cpc=H01M, pn=EP1000000) and get matching publications with country, document number, kind code, and a combined publication number, plus the total result count. Covers EP + 100+ patent authorities worldwide — net-new vs our US-only patents.search."
}What the leaf hashes
{"body":"ae7a5a39776f1ef1e43b6c2e7e9bec0a23a1a858dea43d499b2bbdfc0d68cc71","id":60345,"kind":"listing","method":"baseline/1","observed_us":1793025448356838,"prev":null,"subject":"x402_bazaar:https://2s.io/api/patents/epo-search","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0xc328b549ae2ab5cdb1e3d010bc4cf057524799b3ccc754c64027e5c1ede1cb2e
- 0xae7d9503f7f18085e377f97e8e00225068d9f111dea292640c88aa99f433360a
- 0x8281314e79f254484341f0255fce9c5386f80deab1296cf27dc63e0b75be33fb
- 0xbf60c10db5d185549703dffafa5af3d43dc86d0efe6fb0ee12a737c5ed923da4
- 0x07ab482e45dd3cb026876703305efb8a60bedba2a9906671716cee8f0a0d139a
- 0xc33f9e3c374fd408b67ce24d7808fec3d4e41739cf40d42a7d3af94d31f5478d
- 0xfed59d7fb2398248bf8276e035bb722aaf89471ee4b4af69edf76a96945ecc14
- 0x4210c0813cd19b511bc7ae88af46b2e84c8650513fda399addf7c86b62451a73
- 0xaecea24081eddc492f2627d7a524e8dacb8752124e901c8341d96d99238ca95e
- 0x00d960df50a5325e5736603a5a0d0a56310dedcefbef5371376f8262982d78ed
- 0x7f4ae229fdca48d3ef8476aa02e4d171abb9d529ffe12fe147f9a22b16589b6a
- 0x63002f2569d43725bbf2d04d90ec9e6cf925c96b6dda5e7e220ecfbdd9c2444d
- 0x641fba1f23ec69d96721e34ace1926954d835b9614cb5eae215a069c056399b8
- 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
- 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
- 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae