Evidence row 279116

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": "2026-10-26T15:42:38.421Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T15:42:38.316Z"
    },
    "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":"1b4ea01592f368bfb910a9b1b8fe10c38672f46a8723858d45ffe7a9f901f096","id":279116,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042175398731,"prev":257503,"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 2026-10-26 (296695 rows).

1. 0x2b08adceb0d01f1208649717dfea34dde66c86fb1bf032f215f69d795861e8e5
2. 0xddd8cea436e2df0df8488f42e3cc52d748e5d85d5104830c1891997ebde49b6d
3. 0x78aeb0cc774328d1960f4227d8bce2f7e0289997c1b2ff6523c58145a386459d
4. 0x32f1f716edf29201d9aa77a2f19eeaed3d4f54f0d30fc73520612794156240c6
5. 0x6ea1dd568a4eee2cd38f2440e1c2003cd4bd159b8fbf1fb4dd8c4567ec933444
6. 0x5ea48cf81d116bae85d097b5bd36a1a0abe6f5464437989c1d9eafc375e9b79d
7. 0xc3f74df67b40d0c7628d218ef517a0ce15192d42b2c695490b96167b392d2f47
8. 0x91c5b289aa1f893a3091b88b213e012dec7ddae6243ac60997d11de31a19d318
9. 0x33aee3f1b00299058740ab3a933e5972ee5f5272ffa5367aa267a83a44833793
10. 0xaa8650f76913e91404db3fdf03026f9761609152eb2e32f71c4d93058b86b406
11. 0xde76827525517f5c8aef4ffd7831eab09ee63757dcc2282bc64307fd6ee67ad1
12. 0xe8bf822fd6c66b233e3e13e08596e8fb41c1ed9b85be0e4d50cfc9b740c0e206
13. 0xb87e8b32cda179c9e632e227bbd8a6d1f6f61d9d81bb92dbd4dd835d2b3b5caa
14. 0x683955a5b2250ad50568d022a6580d8739b6aff1356779d72a773b088e7c289c
15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae