Evidence row 409395

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://bot-bazaar.fly.dev/v1/x402/erc20-allowance-risk"
    ]
  ],
  "name": "Bot Bazaar",
  "owner_address": "0x847f54ae8ddfd71ed7bc930c1f7a73576fab03a9",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x847f54ae8dDFD71ed7bC930C1f7a73576FAb03A9",
        "scheme": "exact"
      }
    ],
    "description": "Evaluate an ERC-20 token allowance amount and spender for unlimited-approval exposure compared with zero-allowance EIP-3009 authorizations.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "allowance_atomic": "10000"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "allowance_atomic": "10000",
              "eip3009_comparison": "EIP-3009 TransferWithAuthorization requires zero ERC-20 allowance and cannot leave dangling approvals.",
              "generated_at": 1792950000,
              "is_unlimited": false,
              "risk_level": "low_bounded",
              "spender": "0x000000000022D473030F116dDEE9F6B43aC78BA3",
              "tool": "erc20-allowance-risk"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "allowance_atomic": {
                      "description": "Approved allowance in atomic units",
                      "type": "string"
                    }
                  },
                  "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": "2026-10-27T03:18:23.86Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T00:58:44.584Z"
    },
    "resource": "https://bot-bazaar.fly.dev/v1/x402/erc20-allowance-risk",
    "serviceName": "Bot Bazaar",
    "tags": [
      "x402",
      "reputation",
      "sellers",
      "base",
      "usdc"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Evaluate an ERC-20 token allowance amount and spender for unlimited-approval exposure compared with zero-allowance EIP-3009 authorizations."
}

What the leaf hashes

{"body":"ab5fe1205a1f6c7c36da6265c500891ca1b4eb0989513815691a826e69c1255c","id":409395,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080370905748,"prev":82543,"subject":"x402_bazaar:https://bot-bazaar.fly.dev/v1/x402/erc20-allowance-risk","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. 0xb73ef6dcd20e12e3132f70ff817afe977e10654e09bea7bd455fe8adfa349483
2. 0xcdd5bd1afbe855cae54285e0c6e4fcf3c230ed97b9a1c26acadbd8845f58769e
3. 0xc9d08cf97805dbce55fe8421b2502e7a8beed317fea64c9ac1924782e1dd7768
4. 0xbd501d5d30bcd174d37ab7860724f069c8a12ca656f94a775ff9d911a0df5103
5. 0xda92fb926adc01d4d25b40a644ef624f8184372d8a32a5364691a9284bfc1a6e
6. 0xc632b6d2aa8e1270cea25a1c1bd89b2c8d045926972c2e41141e593fb66452af
7. 0xf8f1462bf5cb32d86b05477a4605a08a67737ac22628207543aedba6bd7f8792
8. 0xd4782b12ba4d28a6c90f6642d975eac2e1896428b18afdd9ac61e80423a86775
9. 0xcd25ca1efe7a6e38e0a9cc44d76a1fa96fc6e39df5cf2a042b8e0a819ff13a0a
10. 0x08847adec0c12f434c3afbbbadf344f212c741f7aedb8dd984840b54565a0905
11. 0x0bd5c4ee0536ff6471a0f1a8676a731f2caf5d42f515ae40fa5d82310634e537
12. 0xdc4af1861bcc27178db9854c119413a3d8acb113ca467e0eb6c0cadd8a60ba5d
13. 0xdb8e341e9690aa686b29432c7b868b3859fb692c3ae3a679b8bc1219ebe3a597
14. 0x87cb8935612c40b569de008a9bf8218cd24a06f74a7364a1654613d972fe00ed
15. 0xec7bb68216a4deb1960acfbbd75da88f7e468b58adb9cf3ec62f2790e46508b3
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4