Evidence row 3967928

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": 5,
      "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":"6c78cf91ddff1a316afc854386f7b3b18d28443a102907528ecdcce266d5c4bd","id":3967928,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1794083442868145,"prev":3765460,"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 2026-11-07 (195826 rows).

1. 0x1d591239609697c996a4698cb01dda6c3d0e429f733e68d61d7c23426561590f
2. 0x1b13de58b42a5eb4cecf452fabbc14f3b7beceb8cf9709d45f853c28b23594db
3. 0xfe5911313cddcaf34cb8740d688e5a845ce79f72eef6e3be12974c5ebb0510b1
4. 0x2c7d33f77a514505eec53d83f3806308205f9025b19c2744d6cf778f2bb52a4b
5. 0xa01225eba4e7c8c6a62f66d60809543d09b8b5dccab30457c1bf53c4681ce754
6. 0x96266b3c2173c738c2489ce7e314635d0c98bda6e4c0161d4c6a83c12f071839
7. 0xf1f625d51b59cfc113d5bddc0ea7d259430f732105ea17d58b5e69a413a7d1db
8. 0x7e17ca1bc2e8209690c2b566adb7444163e98bcf6619bfea04a7100450b45643
9. 0x65bfcf444284604ca4ce341ddeae6985a9d5ac169b8005dce74a35a80ef3bc7d
10. 0x8c109c905bd58f332bf10b6487064ad0bff65b0b394f28681a1257af3c033c73
11. 0xc2385c454a04f360cbb248c5181fd5c3a78c37a66f2afa37be83c41ec5358f6f
12. 0x3749d5791445d21ed8c380f1283373526dd63463e78519ac76a4afc7ad4f74ef
13. 0xe2b00eb32b7e9e6778d88bade9a7d19a468a8db8d20e735a3682cb3a61c2b621
14. 0xfc9ab88d5cb08cae376d37d3f24517c7a2cd94f277b0d505932d5ac795e4c6be
15. 0x22002567dfb80a697b73b13f0cc7ab99ac0c0bd9ea84bf4883eeb09f86036e24
16. 0x80bdd907e4cabf074c5e8d919e88abbc805de47d0c5c142e281a67157f82926f
17. 0x54292a94f447f1fd33c01b5c99da465043f11022958626a2ea562c457fef697a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa