Evidence row 456391

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": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-25T20:32:47.637Z"
    },
    "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":"d5442396ee3eec1909bdd98cb822584786660c5e23133c0b5558ae74fa795a1a","id":456391,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100956100601,"prev":71339,"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. 0xc639c837892ee8dad63549daec037d4fe9586f3f29a29990a10edae9909c77b5
2. 0xedec8ac3c2d6032a162ca7f59c92fd2302742b8895335b68cf3a53e129233bf1
3. 0x6e33b379e6bac0480bb0adc9e36c874cc18acdfb5b09df3e17e3a73f17ca1ec5
4. 0x92888cf99e8433228727b908dcb7396db5c8241e31273a13429119d1a57f2cff
5. 0xceede382554230b8a1772163cdd02e3b0c3894f5a4587bed53172f9acc6ffe69
6. 0xfb3e7599171be3af83be580f634d529a573fb4404e26c06e4bc0aaa2380c09bf
7. 0x98c2f85970582fb625d32a004e80a8e8cf90fa707e1d62a2af5fcaa5e6e46290
8. 0xaa98036fc43db1801c1193156649d79b4f9a634679cd782e42111db7765bad48
9. 0x53145112403f4315a0709266490b6656c77eaa8ff87a1b86a17bb3dd44f1ad92
10. 0xcd5c30557a2cf0477b90306f9697446c944f9773ac104fb3ec6b3bb808672e92
11. 0x297ecfcb0fbe8e5c8ae9241bceaf75704fe96c81fd1cc17d8647fe36659849a5
12. 0x579274645af30f881c6ffa5eae0da4929a7645c54a24d58a51e98be31e70dd57
13. 0x72d49c3472216d5e76117068ea9a2a5f617bdb2ffda241f677ce8098a0219dfc
14. 0x077edf0f29e2a3aa19c876439830696b88f0236fd0b2a3c43c76f38cdd29bb2b
15. 0x73341bb09dd901ca47f26173883431496e3d98d6b0fb5b89f36218126d46c5d4
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4