Evidence row 425293

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agents.crowdspark.me/v1/bundle/token-preflight"
    ]
  ],
  "name": "Agent Tools",
  "owner_address": "0x0dea0030a17bf886543a757c55924710258c2eec",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x0dEA0030A17BF886543a757c55924710258c2eec",
        "scheme": "exact"
      }
    ],
    "description": "Token preflight for agents about to swap, list or pay with a token on Base, Ethereum, Optimism, Arbitrum or Polygon: contract and standard check, name, symbol, supply, proxy and owner flags, a 0-100 structural risk score with reasons, plus a simulated ERC20 transfer gas cost in USD. Not a honeypot audit.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "chain": "base"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "risk": {
                "level": "medium",
                "reasons": [
                  "upgradeable or proxy contract (zeppelinos (legacy unstructured storage))",
                  "has an owner address"
                ],
                "score": 30
              },
              "token": {
                "chain": "base",
                "decimals": 6,
                "standard": "ERC20",
                "symbol": "USDC"
              },
              "transfer_gas": {
                "fees": [
                  {
                    "est_cost_usd": 0.00065,
                    "tier": "standard"
                  }
                ],
                "gas_units": "45415"
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "address": {
                      "description": "Token contract address",
                      "type": "string"
                    },
                    "chain": {
                      "description": "Default base",
                      "enum": [
                        "base",
                        "ethereum",
                        "optimism",
                        "arbitrum",
                        "polygon"
                      ],
                      "type": "string"
                    },
                    "from": {
                      "description": "Optional holder address for a realistic transfer simulation",
                      "type": "string"
                    }
                  },
                  "required": [
                    "address"
                  ],
                  "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": "2026-10-27T04:28:28.218Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-27T04:28:27.399Z"
    },
    "resource": "https://agents.crowdspark.me/v1/bundle/token-preflight",
    "serviceName": "Agent Tools",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Token preflight for agents about to swap, list or pay with a token on Base, Ethereum, Optimism, Arbitrum or Polygon: contract and standard check, name, symbol, supply, proxy and owner flags, a 0-100 structural risk score with reasons, plus a simulated ERC20 transfer gas cost in USD. Not a honeypot audit."
}

What the leaf hashes

{"body":"93abbc19d8cd0d6a630aba338450c9875c6795d355f3ab077a737c3a66a31292","id":425293,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793086109283767,"prev":408593,"subject":"x402_bazaar:https://agents.crowdspark.me/v1/bundle/token-preflight","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. 0xe93b776324bbcb0169296ae7499f2481583db1329686dd35c1e40b5462fa1129
2. 0x8918539d5acaf66bdb29c39714ee5dd2ecb437021f038c47d8d91cb0a816b2cb
3. 0x8849978ff3e09b06bb24a155185999d7e27832993098bc741c969a2afd0bde3f
4. 0xf16b9bf1f76475921971084c3677336c09d543c09f10ccc4f06257de763af2df
5. 0x2f707bc9ea45e9e5cd62a06d570908c25932e927b0b4c7c17369ba624a8d37c6
6. 0x2ac96339d68ac6787cc19924dfc981b2b2e4aad5bef806c84f074c80633043e2
7. 0x65a7e60c60bf3d803b89bbca17a5cd22862d35fd604a015809005a3848b692b0
8. 0x1b1abef5eff47adc944fe81ebb2c6fe42a07b1790fe348fb8e480d6390e518a0
9. 0xf8a87f7879fcd72045961881d5a02c4be75f4ea4eb1d8c262575084a37a5b4ec
10. 0x2c8d0460a0b46eeed71f98874e5e7ae9376b1188e21b9ddd589f50f3dc369234
11. 0x6a1ca1d26d7fbc3e226dc64da92fdc4ab49e077ac1ba6b010fb0df91826f652f
12. 0x555cdc5682ffc7c8210a3ce0f57c03bc80456dce0d2723d1de26e7d1e57b0f94
13. 0xab6eb305329046d5ccb835dd8ca955f794e3ca110379a94dbdc780d016448561
14. 0x41f9f462759cb539183e979fb3eb967d94755cf039c44a64a9a3c4ad97523cfd
15. 0x56f7109d4cde42492651beb1237c13cdcbf95e6fee2b2482391a2388e04c4629
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4