Evidence row 555284

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://auditor-x402.onrender.com/api/contract-read"
    ]
  ],
  "name": "auditor-x402.onrender.com/api/contract-read",
  "owner_address": "0xbc94acb997cdb3152477978bc81b59255f77e224",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xbC94aCb997cDb3152477978Bc81B59255F77E224",
        "scheme": "exact"
      }
    ],
    "description": "Generic read-only call to any contract on Base: provide an address and hex calldata (4-byte selector, e.g. 0x18160ddd = totalSupply, optionally followed by ABI-encoded args) and get the raw return data plus best-effort uint/address/bool/string decoding. Read-only (never sends a transaction). Use this for arbitrary view functions not covered by a dedicated tool.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "data": "0x18160ddd"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "address": {
                      "description": "Contract address (0x...) on Base",
                      "type": "string"
                    },
                    "data": {
                      "description": "Hex calldata starting with a 4-byte function selector (e.g. \"0x18160ddd\")",
                      "type": "string"
                    }
                  },
                  "required": [
                    "address",
                    "data"
                  ]
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T10:03:40.962Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-27T10:03:40.78Z"
    },
    "resource": "https://auditor-x402.onrender.com/api/contract-read",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Generic read-only call to any contract on Base: provide an address and hex calldata (4-byte selector, e.g. 0x18160ddd = totalSupply, optionally followed by ABI-encoded args) and get the raw return data plus best-effort uint/address/bool/string decoding. Read-only (never sends a transaction). Use this for arbitrary view functions not covered by a dedicated tool."
}

What the leaf hashes

{"body":"96763bb990e6dcd7d145560929966812cf5ddc4d0ccdf6bdf6565c549164a613","id":555284,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133785770031,"prev":456391,"subject":"x402_bazaar:https://auditor-x402.onrender.com/api/contract-read","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xf57a7942db08d07dd23978717b9f3da376017f11f160da63520f86cca8513214
2. 0xaab906d76a2c9da1f594cb29f3a2e03b96c9dbd9c72e5926fc82d4d91724d800
3. 0x46cec9889302be9e73e9e10c40359836482f6ab5e3ad8297753bb9c5cb90b615
4. 0x13358234df790e52448aea818cbf301908c8b1813968f9af0c91d8569419ee20
5. 0xd62e35d3759c2fded99d59dc304a705de8bdb2c4cb3cc6d3ddabfd297308abe2
6. 0x57328a8cd3a1326671886632fad243efa38bf11e38b5e796cdbef7355689a749
7. 0x0d583fc32fd5add45f4e7baf19be4832b7e3d507f5bf56b2d553215469a4c884
8. 0xc43457569bf5bb9cda25ab855698c42e8e6e68ce758054d0f70f21bdc705b18d
9. 0x0ff6397d6464ea22b00316164df67a32949bcaf8d4ca2160de48eb9416a7eda4
10. 0x93fc5308107b180f57d801c3d45bf7c4b0bcf9c2e5d1bda9bb75b99123fad1ef
11. 0x1ffe67ce384817ba887de8b4161984586f165c7fa95cef6567ef55d47adb58f2
12. 0xd80cea574304ef1eee7c8b03c1efcaf66eb83498acb1756c4e37eb1d063b48be
13. 0x47993ad5e402c748d96928c5127292d12f5f590d15cf544698f6bb348ad7dc9b
14. 0xce1471491ffb52101d7cd9884cca0fb37a9496f6e8250375054907d24a35d04f
15. 0x56f7109d4cde42492651beb1237c13cdcbf95e6fee2b2482391a2388e04c4629
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4