Evidence row 4166580

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": 3,
      "l30DaysUniquePayers": 2,
      "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":"20b5fdb11cf051c84dde3362cf6fa1be4a16309ce217ca0b9961de48e6fe88dc","id":4166580,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1794170559086132,"prev":3967928,"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 2026-11-08 (183509 rows).

1. 0x26614bdc43fa5d17bdd8115d7e574b6f415c98691655adb6865ac5809beb9371
2. 0x10a675d166ce138f6f6890a65ebc534e71db80840a0a2fec69b4e9ffd3d16a75
3. 0x4759a755848de973d6087e5334aea6289eeace549f1d79e53f7806fa2db57dfa
4. 0x2e1d9a2e72af49a99ca56b39bfc93fe7d29da1d897611be34cd26d493ec38be0
5. 0x30a391ea0caddd7f73fcc81d43ea2e37c31d612b25638db102e8c3a7be8b58d0
6. 0x05e2a144ad4c785c4c34748854842b8bb41af9ae0fb1ab4181629379b7653237
7. 0xf3326df52f9563290d1f1106bef1569d87af98d3cfe343f2e2695d23d9bf40a3
8. 0x1908587486f4253caec8db5f1a226ab7a1442a16906321a4a7bb19515072a9af
9. 0xa500c477f5bd7314ab265f2e11a3c1b902f6f4baae5887c2202b342462bc9f81
10. 0xf27232ef43c4a53bff416f2be311a3c7639a6658cd8c3f87c0c9d9b5407d0aea
11. 0x3e5592b8034335d11150eeddfbc27597912e2e47ed57acc2a7f9a5c7e3d55bb2
12. 0xe126791235826ce26bc84a6bd65e16fb4832d47d86d18f913d060e1950257f1e
13. 0x403a8aed9b721bfe0d72d6fb0eb3822cfdeef4e57e3ea17f9c8d806f5d084f93
14. 0x4bd772c9a17868f0fefbed9997e4f5adae5a57e8c33740a90ffac99733341b43
15. 0x09d2e17fa8f3e9a2f4f828fdf6cdcead1db258ec62d192ca8393958c2b06f6cd
16. 0x1962b987e02fbb17a8951e440b8c94ffca5debb84fd17d27b5f1c60361f21c36
17. 0x2031bf8fabeeff87db710efedafb2b06df0de0b25ca93fb078786a0ebfe9bbc5
18. 0x1f0ff2af9da38fef1beef5d2dbcf41f592dca17729b7ab9b9c0b6ef354dc3b83

Day root

0xbf84ec37f88c5f23d2144bd7dbc1ea0f8edc93b3764a885a7164b7923ff3460b

Chained

0x9fea188e4965f50de727e97c40e18d5ff2c2ddbfd4f1ae65e22ddd6f676bccfc

Published

On Arc Testnet, block 71451618: 0xb5273480942a54cd07f291b8319e59976f8d9d0583181c764eed04c9b3f7a022