Evidence row 1810002

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": 1,
      "l30DaysUniquePayers": 1,
      "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":"c5b4d2c88ea5cb83d68ae2e3f724bb2033ea88f546d8f802814568d7a1c7ab8c","id":1810002,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793560279061735,"prev":60345,"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 2026-11-01 (302406 rows).

1. 0x69d47f236b9d0c948d8174b92c98dc4ecafe6858cf7638be0874084efc02a996
2. 0x69556264e7aa4b549aa6fcc0cc41ddc009731309b4a22a217b091ec2518db43d
3. 0x17a95965f2acb89d5be47645a00e2e91beb6492d310b17eef0adc4f1ac7ba35e
4. 0x4aab0520271a162d1005ed3487f76c6968d01f23ee1eb5ffe56429d0f5a6460e
5. 0x18e909f8de09d46b1c5b0b77dacaf138440de3fce2f9a5571cc498f49c14edb1
6. 0xe6b5d18019a6c49515418f25bd7efeeacfa5c765ae7d6555438b7ecf9752a792
7. 0xc672ab2c6e7e0002324b3a2c57b96b9beb546a6f6fe84f96174f34d2f2b56877
8. 0x7ab8db47ecc56bec0632bc42b71595bc5bf113dc04c9d0920774b60701829601
9. 0x7063ea36aafa67d3faacea577bb8303f07d42ee78814489dd169ce9ca403b134
10. 0x0a01a51603806cfc1190f2dfe8c30019fad0b3313d32dc4cdce6deff928b293e
11. 0x7d83e6bdb335ca44467e046baaeb1d3b6c83fba6742ec9e7dcff2730f1740bbc
12. 0xb9e769552a4ec5c6497a5a5cdde2664f3c8dce153f8c781eff808dd6b24658fd
13. 0x2083851c78484f99ed7086ac61a83081da68bd1ce3b2dfd9a06ce2a7a13fdb11
14. 0x6e52ec74954b02fa6342c949413ce6ced87071b172b1bcf0f6191252f67257fa
15. 0x7c66173839ef153f08dfd346f7ea956e9226e1b7ff05bf4c6cf27436953f336b
16. 0xc1f6e8dd182b37cbb6e04d0e69486bd40d440934f8e373b9bae8cb78de508bba
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90