Evidence row 71548

Observed 26 Oct 2026, 14:38 UTC, by baseline/1.

Kind: listing
About: source_record x402_bazaar:https://bess-x402.onrender.com/v1/evm/contract
Recorded: 26 Oct 2026, 14:38 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 7148cf26f0893705b0a0eb7ca96292f509d53f42f07323eb560c1daebed8bc0d
Leaf: 0x789dad0be063c54fe46de574a30d23f8fe1f752e677b42624e8430afb9831bf1

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://bess-x402.onrender.com/v1/evm/contract"
    ]
  ],
  "name": "Contract Inspector",
  "owner_address": "0x1129a6bb9c6165ff07fdc509c107b522ca0e1871",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x1129A6BB9C6165FF07fdC509c107B522CA0e1871",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x1129A6BB9C6165FF07fdC509c107B522CA0e1871",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0x1129A6BB9C6165FF07fdC509c107B522CA0e1871",
        "scheme": "exact"
      }
    ],
    "description": "What is at an EVM address: wallet (with EIP-7702 delegate) or contract, bytecode size, token standard (ERC-20/721/1155), name, symbol, decimals, supply, owner() and proxy implementation. Use before interacting with an unknown address.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "address": "0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D",
              "chain": "ethereum"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "address": "0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D",
              "bytecode_bytes": 16790,
              "chain": "ethereum",
              "decimals": null,
              "name": "BoredApeYachtClub",
              "native_balance": 0.010201,
              "owner": null,
              "proxy": {
                "admin": null,
                "beacon": null,
                "implementation": null,
                "is_proxy": false,
                "type": null
              },
              "symbol": "BAYC",
              "token_standard": "ERC-721",
              "total_supply": "10000",
              "type": "contract"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "address": {
                      "description": "0x address",
                      "type": "string"
                    },
                    "chain": {
                      "description": "ethereum, base, arbitrum, optimism or polygon",
                      "type": "string"
                    }
                  },
                  "required": [
                    "address"
                  ],
                  "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": "2026-10-24T04:17:47.574Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-24T04:17:47.242Z"
    },
    "resource": "https://bess-x402.onrender.com/v1/evm/contract",
    "serviceName": "Contract Inspector",
    "tags": [
      "evm",
      "contracts",
      "token",
      "security",
      "due-diligence"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "What is at an EVM address: wallet (with EIP-7702 delegate) or contract, bytecode size, token standard (ERC-20/721/1155), name, symbol, decimals, supply, owner() and proxy implementation. Use before interacting with an unknown address."
}

What the leaf hashes

{"body":"7148cf26f0893705b0a0eb7ca96292f509d53f42f07323eb560c1daebed8bc0d","id":71548,"kind":"listing","method":"baseline/1","observed_us":1793025482924642,"prev":null,"subject":"x402_bazaar:https://bess-x402.onrender.com/v1/evm/contract","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).
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Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON