Evidence row 55131

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://webtools.genexxis.com/startup-domain-check"
    ]
  ],
  "name": "webtools.genexxis.com/startup-domain-check",
  "owner_address": "0x9287e3102d411029025c7617d75245bfc7920f17",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x9287e3102D411029025C7617d75245BFc7920f17",
        "scheme": "exact"
      }
    ],
    "description": "For a company or product name: slug, availability of the .com .io .ai .co .dev .app domains (registry RDAP + DNS), GitHub user/org name and npm package name, each available, taken or unknown.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "company_name": "Northwind Labs"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "company_name": "Northwind Labs",
              "domains": [
                {
                  "dnsNs": "delegated",
                  "domain": "northwindlabs.com",
                  "rdap": "HTTP 200 (rdap.verisign.com)",
                  "status": "taken"
                },
                {
                  "dnsNs": "none",
                  "domain": "northwindlabs.dev",
                  "rdap": "HTTP 404 (pubapi.registry.google)",
                  "status": "available"
                }
              ],
              "github": [
                {
                  "http": 404,
                  "name": "northwindlabs",
                  "status": "available"
                }
              ],
              "npm": [
                {
                  "http": 404,
                  "name": "northwindlabs",
                  "status": "available"
                }
              ],
              "slug": "northwindlabs",
              "slugHyphenated": "northwind-labs",
              "summary": {
                "domainsAvailable": [
                  "northwindlabs.dev"
                ],
                "githubAvailable": true,
                "npmAvailable": true
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "company_name": {
                      "description": "Company or product name, e.g. Northwind Labs",
                      "type": "string"
                    }
                  },
                  "required": [
                    "company_name"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "s": [
            "cdp_sdk_server"
          ]
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      },
      "eip2612GasSponsoring": {},
      "erc20ApprovalGasSponsoring": {}
    },
    "lastUpdated": "2026-10-26T10:30:02.462Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-26T10:30:02.206Z"
    },
    "resource": "https://webtools.genexxis.com/startup-domain-check",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "For a company or product name: slug, availability of the .com .io .ai .co .dev .app domains (registry RDAP + DNS), GitHub user/org name and npm package name, each available, taken or unknown."
}

What the leaf hashes

{"body":"2c907f21756249e02d557249047536bf83993d19074fa0500d514a4bf1b95add","id":55131,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025434541601,"prev":null,"subject":"x402_bazaar:https://webtools.genexxis.com/startup-domain-check","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xfdfce934b8d00368bb77e0910ad1c38055074b4fe658b4f735e4855db5d252fd
2. 0x7999ef270739720087dccb76c88a18ba3fa1a0a8d2a046fec3db65219162f428
3. 0x3b3bddf686fcab419592b49189a6648879109468ee8b41c61915ea8eaef921ec
4. 0x01ffac2fef4bca1486e18901c592f24854481ab8e86edd4a3e76344430869c0b
5. 0x66dcff97277982414b0c99c2654f699f132c93d8c9ecb99b8be931209c429646
6. 0x6b7cd3617a34fc31906ad20379144af54910ddc028fd12aa7d730c5f46500e02
7. 0x13de11aecaee7f58fd90c4f486eac681a4dd6b71d54c5c8055ef7a1bb0c8a7d6
8. 0xe8b6050f58737969d73be4e74d11527ea079ef5be9ab0d67dee54c78ae452f3a
9. 0xe297f8a98feeb35fea558eda8f305d2c9d12515dc34140be597827a50527f0e0
10. 0x8420578b5ff109895e07c3ba27d964c26e4280e809929d899076e79b5c159eaf
11. 0xf45641bf26b2b86d9338aa6dc8640a8a378fbd786d23400636aaf30709453e50
12. 0xa1d268c111b09550fdb70b6d9d0b58c94dc828b083baa8f1360300aab6230a9c
13. 0xbee644d57738676bfb20eb90d6021f364bf883a8d54f8d17e9dc4749b4074c3d
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae