Evidence row 1262607

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.gentechlabs.net/v1/lineage/guard/"
    ]
  ],
  "name": "GenTech Lineage",
  "owner_address": "0x7ebff188f2eba16518c02864589b1403a5d1296a",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x7ebff188f2Eba16518C02864589b1403a5d1296a",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:43114",
        "payTo": "0x7ebff188f2Eba16518C02864589b1403a5d1296a",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x779ded0c9e1022225f8e0630b35a9b54be713736",
        "extra": {
          "name": "USD₮0",
          "version": "1"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:196",
        "payTo": "0x7ebff188f2Eba16518C02864589b1403a5d1296a",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "31566704",
        "extra": {
          "assetId": 31566704,
          "assetType": "ASA",
          "name": "USD Coin",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k",
        "payTo": "6IXPRMSYQBZSP2KIPH6BQ7MP4XN7VP6MWGHCLLF52K5R4IYCPA74TU2MTI",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "Hv2N2XJT9QXNZeo7FjtNZdL3Ms4iqj1mKy75dGCh57Ru",
        "scheme": "exact"
      }
    ],
    "description": "GenTech Labs x402 - Lineage",
    "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": {
              "urn": {
                "description": "Dataset URN identifying the lineage record to trace",
                "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"
        }
      }
    },
    "lastUpdated": "2026-10-30T03:33:50.548Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-30T03:33:50.417Z"
    },
    "resource": "https://api.gentechlabs.net/v1/lineage/guard/",
    "serviceName": "GenTech Lineage",
    "tags": [
      "x402",
      "treasury",
      "defi",
      "yield",
      "intelligence"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "GenTech Labs x402 - Lineage"
}

What the leaf hashes

{"body":"7d77e6d7a7dd6f92e1959f9a4b5e1f52b233a164910b025e69a5f050fd743d52","id":1262607,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385570501995,"prev":null,"subject":"x402_bazaar:https://api.gentechlabs.net/v1/lineage/guard/","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. 0x8ce32be8e220373799ca8106d9130e804f36b7bdc4967a008c6bf2c99b8277c8
2. 0xf39e789a479d52bf20424cd38476b05eccec42689d586e0b3a315995823d0733
3. 0x6fd267ef4793cee4a3c3c832a663615405a04683eb2f8ffcc8366c53891b888d
4. 0x7f2767a045a074b73694b7f5617996738092f227eb33c36fe64116b5af10d2d3
5. 0xaae0ab8f2f78447c8ec462f9a4728f6218274d99831c47349ed2273f58f8bffb
6. 0xdcb516b31a6816956d826d827bd2c273687135b37ac0892782da030ae258afc8
7. 0x6f3d3fd2809b1ab4f0b2855c25c8414318702045c5d6c359ad4b6cd11efd5038
8. 0xad9b3e4a6aa93d886f255282717a1247088c613c69879b3b244ee3bcd6e48d80
9. 0x63d3f12d27fa3c252711a4633622538e037b72433519085cee14cfdd06a0c44c
10. 0xc75f3772e4719d7f5be62c6ca913a3240e6cccd22f1cf63eb4fa0762daadcaa5
11. 0xce06accd72dedc1a082935f5b8a33253f233b5c32c1d33208e12dce01a52c7d5
12. 0x6da1ef2465a3913e4160bb9f70aa9eb46c19f0a3b113105c4a2c637f703a3ae6
13. 0x0d06f2034510d710ecc68d1e2023d7419591dfad7a7afe8433d9d14c42fb1ce4
14. 0xc819bc399b4972a3a1ce1897d0bce2138291f900ae9bdb4afaf8fa23d651b490
15. 0xe722b5213af778d8f1621b8b0b61f957ac8d8bb43a780aed8989bfc357e5bc58
16. 0x835211170e79bdce1a823ec914e3532e128f77751e9074286da35091b0200284
17. 0x61ef83255d34604cb052882568ca1d1386ac3cfb8284509715bc1734cff77831
18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861