Evidence row 426970

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": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-27T03:18:23.676Z"
    },
    "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":"50c1a1530b9dd80e612d13856a101bebaa809dea8bcbd6a15d003db8e5056017","id":426970,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793086317505598,"prev":409395,"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. 0x3b529e54c032784ffeb1c42191076f5f162a76c428bb378c46b101e67ae4e0d1
2. 0xcf9263278ea0b0bc3a736d3990d5e84210126637bc53394a65b8474aec3a7e24
3. 0xffb168018dfe894cf2ca878f5a2b803c8212c0480369bd7648d7ea1ae15e3a9a
4. 0x0493c1b584a71378fbb42a185dc227dbc6319964026d700006c90260c3f0c670
5. 0xa9b39ad991b1833f5310f64f0a9173967911b58f07e3d60c1ccad7766fe24630
6. 0xf1fb7450d44ff34e89a368a067c396d87c0926a343f691e6753c05ff3664ba63
7. 0xd928bb109d791621f8ee2eb2f0c8704f07f5bf140cf9d8ef358742924288eef4
8. 0x341f34453f694953b84e5f6af8335c1cd3c4e0253c5abfbd1bc6190b4476740e
9. 0xa5fda77bd7112d1304f91babcf3aacaa7f645c1e5393d3f38763d3b67275d646
10. 0xbc6ac4c6bd6aa1b3c9383de3a25f306e36affcc8010daacc7045df5a7f341285
11. 0x34cd0060c6df900735b6aa88a647d584520104fc04a2c8d5b37d3436121b79cb
12. 0x4add9ebe2bbf86a7a32e3cec38874af82baf38b21fde64a6952bf3d4124e2c7f
13. 0x9e70d944564843a0f0d88b623d628ff2e2ac17c172d4ebe0ed141fe8b9f9dae4
14. 0x42784d9809d120654630ee1b254a1dd90a2bbd3024aa180f1a59bbf53e9316e4
15. 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4