Evidence row 1039020

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": "2026-10-28T22:57:06.854Z",
    "quality": {
      "l30DaysTotalCalls": 6,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-28T22:57:06.649Z"
    },
    "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":"76965947ae56665e6d3a43a91d91ef4931f059ccf4a03fafa7fac20020c278d9","id":1039020,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298277747829,"prev":71386,"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 2026-10-29 (242798 rows).

1. 0x9946ae0fa6423187fb7a0093767d02bfdce93d057df1cdaf52a2b26d7e07458f
2. 0xd008402323c0c48fce917711b7abc9ebb2fdb9eca176138c0cd1548b2969bc10
3. 0x7c8ce3d75368ff1ff7bb0277e216d218f6a6b3145ae6614ccb62034b3bd2da06
4. 0x9158da62cc86c396b87f9f129ba136cd7674a62d2b543eaed67e24365cf1612d
5. 0xff969d68b011acbbe8f43db8b6a056bbc980d97df08e5258ce5d01078545f9df
6. 0x0c64ca5ce114fd2d4cad36e62a36307147139dac051bd69ab02beae181a059ac
7. 0xf878868363f011ab59232b8c7c4820808dc4fa8f328a5375afe8d945912c36f0
8. 0xd7a1fd89340420311808c1d28e3d28e15444e6cbac205f012f80cec66bee14fb
9. 0x2c56fa727f0009ad361ca71d2feed92820e3afbd9bceef8c90fcdfe44b4fab89
10. 0x936a145aa84ce12f2710c2ad236b71e2ca6c55aac33f3aab944666cbf42ff019
11. 0x00a720afb40cf4803ce8a45939b8942a5d5c2d991af5e4d4d776290decfe8c60
12. 0x6af329968eeefacace63efacdeb7ebb067b7ebee3c2347b9bda5f42e5adea0b6
13. 0xe4afc6a5a9cd7a2bdc01f56793e0f8960d1cce7e17e93d6537f6043b1647f074
14. 0x2b11062f499f97c836e687fbba91202ea7ff254c8f8928d683df655cd117d9ec
15. 0x09d5ec1c01b0f087fe9f6cc95432188552da9adc88004aed57401ea49f2b56d4
16. 0xe38dc587bc010668982bd78025ac33d7326ffc2587f2de00e848da2718907ecf
17. 0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1