Evidence row 1508010

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-agent-hub.x402-agent-hub.workers.dev/v1/chain/address-info"
    ]
  ],
  "name": "x402 Agent Hub",
  "owner_address": "0x1721e9841257a34dbdba407d4dba3a727a02d072",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x1721E9841257A34DbDBA407D4DBA3a727a02d072",
        "scheme": "exact"
      }
    ],
    "description": "Classify any address on 7 EVM chains before interacting with it: EOA, EIP-7702-delegated EOA or contract, code size, nonce, native balance, and proxy detection (EIP-1967 implementation/admin/beacon slots, legacy ZeppelinOS proxies such as USDC, and EIP-1167 minimal proxies). You only pay for successful reads: invalid input, not-found and upstream errors cancel settlement.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "chain": "base"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "chain": "base",
              "chainId": 8453,
              "codeSizeBytes": 1852,
              "delegatedTo": null,
              "nonce": 1,
              "proxy": {
                "admin": "0x4fc7850364958d97B4d3f5A08f79db2493f8cA44",
                "beacon": null,
                "implementation": "0x2Ce6311ddAE708829bc0784C967b7d77D19FD779",
                "standard": "ZEPPELINOS"
              },
              "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": "0x-prefixed wallet or contract address.",
                      "type": "string"
                    },
                    "chain": {
                      "description": "base (default), ethereum, arbitrum, optimism, polygon, bsc or avalanche. Chain IDs also accepted.",
                      "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": "2026-10-31T09:06:17.547Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-31T09:06:17.44Z"
    },
    "resource": "https://x402-agent-hub.x402-agent-hub.workers.dev/v1/chain/address-info",
    "serviceName": "x402 Agent Hub",
    "tags": [
      "onchain",
      "contract",
      "proxy",
      "eip-7702",
      "security"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Classify any address on 7 EVM chains before interacting with it: EOA, EIP-7702-delegated EOA or contract, code size, nonce, native balance, and proxy detection (EIP-1967 implementation/admin/beacon slots, legacy ZeppelinOS proxies such as USDC, and EIP-1167 minimal proxies). You only pay for successful reads: invalid input, not-found and upstream errors cancel settlement."
}

What the leaf hashes

{"body":"adf6f573551a5a0157f6839e4310e9b3f1527d10a8e197ab308d89fa97d6399d","id":1508010,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793472706508023,"prev":null,"subject":"x402_bazaar:https://x402-agent-hub.x402-agent-hub.workers.dev/v1/chain/address-info","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0xab2c9f925833ebc3e049ef60bd4127459bfce7613c1534de06859f221abb79c2
2. 0x7a4c036af62b5df67c7befe2a8f45154abefd24e91158b539d4caa6c18422b8e
3. 0x48e47cfcb0383dd5c172a02445e22d83d6738b32f4703a0fbac685ef378f7f49
4. 0x44f049de904a1f9126ff9fa05dd5a23f13151822995922d201735d56bf39d597
5. 0x4cc24a3e4efba3902d9e83ef8224567d2d724eb7efd5465f4b8a1fd1ac740423
6. 0xa107f6db2c80f58cb4ac5555185196c9582850a9af9d5ad8d13a17be62bb14fe
7. 0x462b68c05b100233da85e88329bd52125e0f293780303640e961d13c093a3a25
8. 0xc5b9cac591664af09d0d0e8d9da7a2cb603ac0255506427bae4819bc24ba3556
9. 0x2413f38f447ba2aa4287adc8b91dc7c9870fc720f73e397e38725a1fa8d081fc
10. 0x02c00a15599e032a3fdea445543339d0c8d6130cdad9edcd1344341be0496904
11. 0x9294aab89ddb78377bf93c28a66273bfc4971d38ce6c3f079a779821703bf857
12. 0x0b7b2aa9c6e574b6b185a1c5f3cd6190e5f1168ba0b13ca46fdef6279c6fde23
13. 0x0b806489de9a06dcb3c577117e5b9b04eba4220a7b621a2fa8d84dafcbb2eb4e
14. 0x17b4d08af91ab833713ac6154ec68f498dbe032401780285c2ccdadad6ac27f1
15. 0x57afe240b626bf60f6af8c76404811e95ea5519f217fac382bd159177a8ec870
16. 0x2e1cd25ce4079da9bfa6219d7ffec992149add4cd7d5c5b2cfee9908c1c8a5dd
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0