Evidence row 1262030

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.gentechlabs.net/v1/agents/search/"
    ]
  ],
  "name": "GenTech Agents",
  "owner_address": "0x7ebff188f2eba16518c02864589b1403a5d1296a",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x7ebff188f2Eba16518C02864589b1403a5d1296a",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:43114",
        "payTo": "0x7ebff188f2Eba16518C02864589b1403a5d1296a",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x779ded0c9e1022225f8e0630b35a9b54be713736",
        "extra": {
          "name": "USD₮0",
          "version": "1"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:196",
        "payTo": "0x7ebff188f2Eba16518C02864589b1403a5d1296a",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "31566704",
        "extra": {
          "assetId": 31566704,
          "assetType": "ASA",
          "name": "USD Coin",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k",
        "payTo": "6IXPRMSYQBZSP2KIPH6BQ7MP4XN7VP6MWGHCLLF52K5R4IYCPA74TU2MTI",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "Hv2N2XJT9QXNZeo7FjtNZdL3Ms4iqj1mKy75dGCh57Ru",
        "scheme": "exact"
      }
    ],
    "description": "GenTech Labs x402 - Agents",
    "extensions": {
      "bazaar": {
        "bazaarResourceServerExtension": true,
        "discoveryUrl": "https://api.gentechlabs.net/.well-known/x402-bazaar",
        "info": {
          "description": "Cross-chain agentic treasury + x402 payment infrastructure for the agent economy. Pay-per-call DeFi intelligence, yield scanning, wallet analysis, agent identity/trust, and market data across 9 chains - the infrastructure layer agents hire to manage capital and route payments, not another chatbot. Treasury-first, utility-second, backed by real on-chain revenue.",
          "input": {
            "method": "GET",
            "queryParams": {
              "q": {
                "description": "Free-text search query",
                "type": "string"
              }
            },
            "type": "http"
          },
          "output": {
            "description": "Returns a JSON object with the requested service result or an error message.",
            "example": {
              "data": {
                "risk": "low",
                "score": 85
              },
              "success": true
            },
            "type": "json"
          },
          "seller": {
            "name": "GenTech Labs",
            "website": "https://gentechlabs.net"
          },
          "title": "GenTech Labs x402 Gateway",
          "version": "9.4.1",
          "x402Version": 2
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "headers": {
                  "additionalProperties": true,
                  "type": "object"
                },
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE",
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "additionalProperties": true,
                  "type": "object"
                },
                "queryParams": {
                  "additionalProperties": true,
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "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/v1789496439/bazaar-icons/56f8047857821d4a.png",
    "lastUpdated": "2026-10-30T03:33:40.354Z",
    "quality": {
      "l30DaysTotalCalls": 8,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-30T03:33:40.143Z"
    },
    "resource": "https://api.gentechlabs.net/v1/agents/search/",
    "serviceName": "GenTech Agents",
    "tags": [
      "x402",
      "treasury",
      "defi",
      "yield",
      "intelligence"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "GenTech Labs x402 - Agents"
}

What the leaf hashes

{"body":"3cc2d93b1da1b7a126b9a61ae9a5d0c2842a579d5cfe2c45fd453a9b359014ab","id":1262030,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385519672300,"prev":null,"subject":"x402_bazaar:https://api.gentechlabs.net/v1/agents/search/","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0x77cb9c001c4621e66c1c1c49c62884f819a268a4611f43322cc132c09566c54a
2. 0x4ccb91d65dfdd54dd548267c06171f9e1ddbb540c969b227a152287279088491
3. 0x15249dd3ebbad56f9c94b3307e5b822be0270536a7c73ca4a027ce307d8a57f6
4. 0xc2dc2132deb1e7fd62a08a2d8fbe7bf2348b24b85175d309a1dd701ff0bb11eb
5. 0x094b7a6dab777eafed7c1a68a025feba4b26ebc67791fcee3598db8ed5430446
6. 0xb83f845ee783168c5e1868e553b7da78127ff93837930d2072f9de299b55a80c
7. 0xa4949d8b1406aa07b5923072208ff2d2b97d5c587bff91ebb9e51e93e3db556e
8. 0x757359a4c2c91e1583ad1ebaa9c4b1bb09c4a4dbbf51190ea8ee57ab9e4bad25
9. 0xa823e47093d8701c34a78f60f8c70a648933b220bc8ab495df4b1b4f48cf9836
10. 0x0ebb6787b29a8646bad581cbf46d8980cf3defefd2c47dca30c0190b1f9a1704
11. 0x2c30e11938294fdd1e6ffc62ba93cbac4cb41a971057b9043e0688359eb3003a
12. 0xf3f40fe498675360f57a43c0bd787d90a1f1734ae0e4763208da630024b06bcd
13. 0x630c92ab7a09a852e8f8d699227d5d4a4acf303f63bea031f0057a3a36087420
14. 0x75bcbdd2a0d7acdea21f6011126339c8e33a476ec0a76842480cf5bf70db6a72
15. 0xdf25f5d38e3fb54d3e66e3bf876db529f619041e0d21f0bc35b80003418e3d9c
16. 0xdbaaffa44665d1fa60d33d2c4075bd87629b76d01a6ee63e621e78590303b56d
17. 0xffe660edb9e5c6e3449a49454634c3e7b2f9fe703e5697f723b021735647ab7e
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861