Evidence row 409398

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://bot-bazaar.fly.dev/v1/x402/eip55-checksum-check"
    ]
  ],
  "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": "Convert and validate an EVM address against strict EIP-55 Keccak-256 mixed-case checksum rules, detecting case mismatches and burn addresses.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "case_mode": "mixed_eip55",
              "checksum_address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "generated_at": 1792950000,
              "input_address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "is_burn_address": false,
              "is_zero_address": false,
              "matches_eip55_checksum": true,
              "tool": "eip55-checksum-check",
              "valid_hex_format": true
            },
            "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": {
                    "address": {
                      "description": "EVM 0x address to checksum",
                      "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": "2026-10-27T03:13:14.985Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T00:58:39.268Z"
    },
    "resource": "https://bot-bazaar.fly.dev/v1/x402/eip55-checksum-check",
    "serviceName": "Bot Bazaar",
    "tags": [
      "x402",
      "reputation",
      "sellers",
      "base",
      "usdc"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Convert and validate an EVM address against strict EIP-55 Keccak-256 mixed-case checksum rules, detecting case mismatches and burn addresses."
}

What the leaf hashes

{"body":"8f1a0872025fa9eb9c1aaf83007e693c2023573198647d47dc410ff020c85b05","id":409398,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080370913007,"prev":82546,"subject":"x402_bazaar:https://bot-bazaar.fly.dev/v1/x402/eip55-checksum-check","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. 0x8a30a391b23b74d1a9c9c7932368f76cfce039c7797cf32b4e018c11458d2683
2. 0x81be41e7d3503b7758d4c087d2e641f13f19983938a2088a56d73b215217d157
3. 0x234846607fece59d770458b5a59f943305e331f8ce4360bc5af2b0573a587fe0
4. 0xc7c9fbbc0dad8ced035aca4ae2212e4a208b4d74761b39150114a218b4840d0d
5. 0x85cdf349f7d4c5b0c3ac1c24c5543b9f0b6a8752bbc485fda719c1abd942ab84
6. 0x75f4e4c9219cfb56dd13442bd11c145d8e1139147ca5b783fdf30fa8e297b437
7. 0x931903e3db06d0534af7666e6c7649b25370e4253383b0433abe2fbe90984b5c
8. 0x8068492f49017e9769ee068568a3c26c1c54232fc1b063ba495f194915709fb1
9. 0x20ea778ad516524d4d0900777a8ac8902a55f7893a67360c2976b4a5c8a5a0ca
10. 0xd65d7379e756b1e11989336b70db4d0b37dcb5cc45ce7fb603297cbe31f10048
11. 0x0e491e41680f12f7d8bdf222ee07202258510c3550459071f98f077368a5cd2f
12. 0x30c799f301803795a41119ff9181a1ecb65705ab464b7ef061de2b33772eca73
13. 0x6251e2be57e8d16b82579481d181c265d75096882014489550b74a728741f2f1
14. 0x4964f0806efde5ed25f60da2b45d78cd2e0f07d67e64aad2822f6016ad973c47
15. 0x3c500ec3d3edf0c74b87a6ca8fcd77656bfbe03db3d478bd0c184d0c88839c6b
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4