Evidence row 71386

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://automaton-tx-explainer.vercel.app/v1/base/address"
    ]
  ],
  "name": "Base Address Inspector",
  "owner_address": "0x679af3a893edd0aef4ac4c7776ba581b238c0717",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x679af3a893eDd0AeF4ac4c7776Ba581b238C0717",
        "scheme": "exact"
      }
    ],
    "description": "Inspect any Base address: EOA vs contract vs EIP-7702 delegated, ETH balance, nonce, proxy implementation (EIP-1967/1167/zos), and ERC-20 name/symbol/decimals/supply.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "erc20": {
                "decimals": 6,
                "name": "USD Coin",
                "symbol": "USDC"
              },
              "nativeBalance": "0",
              "proxy": {
                "implementation": "0x...",
                "standard": "EIP-1967"
              },
              "summary": "contract (EIP-1967 proxy) · ERC-20 USDC",
              "type": "contract"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "address": {
                      "description": "Base address (EOA or contract)",
                      "pattern": "^0x[0-9a-fA-F]{40}$",
                      "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"
        }
      },
      "builder-code": {
        "info": {
          "a": "bc_a1qq0mzd"
        },
        "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"
        }
      }
    },
    "lastUpdated": "2026-10-23T22:20:09.608Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-23T22:20:09.467Z"
    },
    "resource": "https://automaton-tx-explainer.vercel.app/v1/base/address",
    "serviceName": "Base Address Inspector",
    "tags": [
      "base",
      "onchain",
      "evm",
      "crypto"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Inspect any Base address: EOA vs contract vs EIP-7702 delegated, ETH balance, nonce, proxy implementation (EIP-1967/1167/zos), and ERC-20 name/symbol/decimals/supply."
}

What the leaf hashes

{"body":"f4cd3491d1ab018c84037db6078828ed56b11afd0d001015059ada81573463de","id":71386,"kind":"listing","method":"baseline/1","observed_us":1793025482084603,"prev":null,"subject":"x402_bazaar:https://automaton-tx-explainer.vercel.app/v1/base/address","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. 0xfc1ef89e9f3f2c719b190234fe8d69777fa7f88e634dbd7cc32a6dc955f4c20a
2. 0x7a6ab7224991e55aa5c1969106fcb5a2ebcbd4899747551d62388b3421687e10
3. 0x3ac045ed54e76e915aefca2538295d856b82bc148c6bffdfb0dbe9a7e7d1ce9c
4. 0xc8ce645f4b194b42690422288390749da70106a116f92492d39668e0f7c0e7b7
5. 0xff3d144b2070dc4c8672d049a67e6f8f8f9f6adbf910a41affb3f370d49349cb
6. 0xbfc2a26f28bd5e42e8973c0db28e438c3938e5e9147397636d9c5360987da676
7. 0x4b974dc47208b65b5e5f0c0b51b4bc17332e9a19c3ddd3e35471d11ea0c9f433
8. 0x4693de4ca7fd82d62e518ab16deb20f9ae6837395e814b30a0c047b43d682fdc
9. 0x63e81cfd75312fe70586e362f887cff6fba0b3aa8a0751f1cd2f423e11b6fd30
10. 0x0d9c6b15190d9e13a7cb74876b1fd47b5bba1e548abecd756ff8fd16658a6713
11. 0x51bc8fcd224b36d2c60fa49f46f383ee8328191b9e73209ce8018f2612c3d42f
12. 0xf8173f36b7a27e1bb0f6961a49501bba1d99349c5e11449d0d557fbaa910be0a
13. 0xbee644d57738676bfb20eb90d6021f364bf883a8d54f8d17e9dc4749b4074c3d
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae