Evidence row 2199972

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://chainhilt.ai/api/v1/perp/hyperliquid/trade/preview"
    ]
  ],
  "name": "chainhilt-x402",
  "owner_address": "0xdece8e839414e4a99213c658abbd2294d5bd42b0",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xdECE8E839414E4a99213C658ABbD2294d5BD42B0",
        "scheme": "exact"
      }
    ],
    "description": "Preview a Hyperliquid trade with notional, margin impact, slippage, liquidation estimate, exchange fees, and builder fee. Treat spot and perp as one balance only when the account abstraction mode is \"unifiedAccount\".",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "address": "0x1111111111111111111111111111111111111111",
              "coin": "ETH",
              "includeRaw": false,
              "limitPx": "3500",
              "side": "buy",
              "size": "0.1",
              "slippageBps": 25
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "preview": {
                "builderFee": "0.0035",
                "estimatedFee": "0.1575",
                "notional": "350.00"
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "address": {
                      "pattern": "^0x[a-fA-F0-9]{40}$",
                      "type": "string"
                    },
                    "builderFeeBps": {
                      "maximum": 10,
                      "minimum": 0,
                      "type": "number"
                    },
                    "coin": {
                      "maxLength": 32,
                      "minLength": 1,
                      "type": "string"
                    },
                    "includeRaw": {
                      "type": "boolean"
                    },
                    "limitPx": {
                      "pattern": "^(0|[1-9][0-9]*)(\\.[0-9]+)?$",
                      "type": "string"
                    },
                    "side": {
                      "enum": [
                        "buy",
                        "sell"
                      ],
                      "type": "string"
                    },
                    "size": {
                      "pattern": "^(0|[1-9][0-9]*)(\\.[0-9]+)?$",
                      "type": "string"
                    },
                    "slippageBps": {
                      "maximum": 10000,
                      "minimum": 0,
                      "type": "integer"
                    },
                    "takerFeeBps": {
                      "maximum": 100,
                      "minimum": 0,
                      "type": "number"
                    }
                  },
                  "required": [
                    "address",
                    "coin",
                    "side",
                    "size"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T17:24:01.233Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T17:24:00.288Z"
    },
    "resource": "https://chainhilt.ai/api/v1/perp/hyperliquid/trade/preview",
    "serviceName": "chainhilt-x402",
    "tags": [
      "perp",
      "hyperliquid",
      "trading",
      "preview",
      "risk"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Preview a Hyperliquid trade with notional, margin impact, slippage, liquidation estimate, exchange fees, and builder fee. Treat spot and perp as one balance only when the account abstraction mode is \"unifiedAccount\"."
}

What the leaf hashes

{"body":"c76f04e3e44630ce2239c0672069a15fe008259e8ebd92fd00b0aae4c84f63b6","id":2199972,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646794437748,"prev":null,"subject":"x402_bazaar:https://chainhilt.ai/api/v1/perp/hyperliquid/trade/preview","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xfed8b902942adeb3a78fb5c3dbc78e356abed954cec93291cd66956f99c767de
2. 0xc293113d61019fb889e9421758b40e78f2bcd96c25aa8396c6b07746d0932b21
3. 0xeb875f525535f9297c383bb3e7c2c13d32363e411c759fc98b8c19ae2dacebb3
4. 0xaf5b718f1f639582676ae27ce1764766bf1f4cf1f05a3f3152ca0dd23aec1369
5. 0x6e42da6283b31a43165a9f3e585d818d60c7bafe5613c71030524d160b4153c6
6. 0xd515a7382a79f936edaeaf9c9790861a823260134ecb0a28ba000ccb64c4ca89
7. 0x95e9149457597695412cc9a30abd58c17037c576a7e8fab4213b282772d7b735
8. 0x014021176849f7ae19f65bc0db56f7b6a23a8b622a222a83e2b9c956bb12731f
9. 0xbbd04d04deb977e310435509b19a92e0e6b40bcd44245f35155b76707c911c68
10. 0x0cc1bfe069d87603c60148d083b557d0a732525d219bf40c3a28bceccf54637d
11. 0xc63b418076930e6cf31674e9bb2aff65f2cbb33dd9be3957737f5ffee6c7510a
12. 0x558609da34276e08016027f0ba334013ad7a47d8258758a41e477a91a04eb076
13. 0x2612b2a6ca482d4e1e568f2a6d1980f6401f76dd9a2480fd196bb762b9e1c71c
14. 0x59ed3c823c7507ae1b2993d19eda543383739dde961b25c4e0927023fff6be12
15. 0x4068a4306db47ea0eae5f76e5137753caa3dbb132dca6a61a4d6c1838a52700f
16. 0x25127db2e775737b2874f6a159f7c1bf984317eea6482e94589c3ef4c5ccab32
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af