Evidence row 408593

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": 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":"3ca9d3c12f69f653b3f1b4a69f4fced2a43007b27786ca8d29907a086d73921f","id":408593,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080314247447,"prev":279116,"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. 0x46955f5179cf006156e353ed009bdd30a3704cab56c304c740ad0eb1a5d5c281
2. 0x14ef0a4bbdaeed85cc95476c3d2e58ed3f22b2690d3fe3e09284f5a42adf641d
3. 0x3a048037087b24370f977f3b5a43688ba9df7bf161766b7660a5813560c60a0f
4. 0x0021725d9020217c0d4d38468ef1af8ba9b2780d15f6682ed03e228715444c4a
5. 0x4b184f441aa2273a8cefe90379952f0a4410a4718ae47a16a12e26b3c5616c0d
6. 0x9f799e30378f43dbde2782ccf1208d1371fb93246022897f622d444eb1a250e7
7. 0x221e723aa794a67a2eae2eea9c84ca07a6f29265ce866114dad778325fe84a2b
8. 0xd327af855046d1071d660181f47c03cc380388a8df0e6046e9d85b7a5b94af14
9. 0xdddb30366fc0de9c75737bb8be643ad88710d6a6d25c90f3fadf73decd8aa218
10. 0x703979466834e21efcf7e33bb43c312019552c466fef47185c9b8ce5848a1068
11. 0x6ed6652c0a61c43ddac9d506feb91d6c0a14dfe1cb98614f64edec2e4d6f5a91
12. 0x92473b1fa79263164c4ce7d79f93b1dc8a85f63587b51a81433d1ad19b285a90
13. 0x836e1796750a28d286ffaa8d273d250fe348c563336bf2d30cfaf1001d95f677
14. 0x80ede9e5d428e39db26928b1d08254ff1241f1d7e091fd2e57130fbb4423162b
15. 0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4