Evidence row 3064654

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. Errors: 400 invalid input, 502 provider failure. 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": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "address": {
                      "description": "Account to preview the trade for.",
                      "pattern": "^0x[a-fA-F0-9]{40}$",
                      "type": "string"
                    },
                    "builderFeeBps": {
                      "description": "Accepted but ignored: the estimate uses the API's configured builder fee.",
                      "maximum": 10,
                      "minimum": 0,
                      "type": "number"
                    },
                    "coin": {
                      "description": "Market symbol, e.g. \"ETH\".",
                      "maxLength": 32,
                      "minLength": 1,
                      "type": "string"
                    },
                    "includeRaw": {
                      "description": "true to include the raw Hyperliquid payloads in the response.",
                      "type": "boolean"
                    },
                    "limitPx": {
                      "description": "Reference price as a decimal string; defaults to the mid, then the best book price.",
                      "pattern": "^(0|[1-9][0-9]*)(\\.[0-9]+)?$",
                      "type": "string"
                    },
                    "side": {
                      "description": "\"buy\" or \"sell\".",
                      "enum": [
                        "buy",
                        "sell"
                      ],
                      "type": "string"
                    },
                    "size": {
                      "description": "Order size as a decimal string.",
                      "pattern": "^(0|[1-9][0-9]*)(\\.[0-9]+)?$",
                      "type": "string"
                    },
                    "slippageBps": {
                      "description": "Slippage in basis points applied to the reference price; defaults to 50.",
                      "maximum": 10000,
                      "minimum": 0,
                      "type": "integer"
                    },
                    "takerFeeBps": {
                      "description": "Taker fee in basis points for the fee estimate; defaults to 4.5.",
                      "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"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793712289/bazaar-icons/18d1fcf093fb95b4.png",
    "lastUpdated": "2026-11-04T15:18:00.148Z",
    "quality": {
      "l30DaysTotalCalls": 13,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-11-04T15:17:59.974Z"
    },
    "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. Errors: 400 invalid input, 502 provider failure. Treat spot and perp as one balance only when the account abstraction mode is \"unifiedAccount\"."
}

What the leaf hashes

{"body":"e9ff75c2e26675dd94588b1bd3551fa0528e01f5294343f13fdbe472a492ddd9","id":3064654,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793822231443779,"prev":2633223,"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 2026-11-04 (424109 rows).

1. 0x2fa63c456049da67a9347a2d9303b6fd7957ec08a530f1b402a53dcd4e27c5b7
2. 0x9574df28d1b5b53f2214a7cf815794f78167563effdc54083ddefa27ed63e93d
3. 0x9cb9649154ba51ff4042a69094988e92d100d71b118be11fed9420e6ae75e018
4. 0x05a570b999a0079217be877260d5d614ec2128bc63653ef3e49355bf756ce727
5. 0x30e74d403cd817053af7d1ed6cb159e7eef495b26e81138466e2143691f09842
6. 0x84c00cf83b2380a22e22d5b516af243262a64dd48891e73c04eaef6973e0fc6e
7. 0xe56e4e61feb0798be0cc558744658eb3c13b714998d866e1cd41aa97e89eca5b
8. 0x6ec3214e1cb7bb5de19bb1615ad231e4263e5827bed0f50c7e0f52c6135f6502
9. 0x63fff63f8138944db8850696a9f047dd5c28310b6897b559b20cc01311f66044
10. 0x65f5e2a48d996ce4c0bdb724e5c1cd5a59383c45c432df13709b1f008b1a3c46
11. 0xa519bf08c92a57e1c88ee1b26c80e53a5e4b02a77475b0b25b66a268ae848ac2
12. 0x224a6f9b22ec17bfbef7951c8a2a2f240c8b2662e42f0a00e122de77e92022ae
13. 0xb87b397608c9c76acc942d38bf1e88c0a9cbc532b34602d930d9a18e37bf39b8
14. 0x9d907331506c7b04c540d946932cd0d003e3b8bed785427b82286d101a946ed7
15. 0x80d767e810dea8f03e47cc3217bd2604062057071b87fb3908bc918d21222df3
16. 0x8632761f28bd1d3a8f35afb1fa5e24cfd1b78978317cf7ac09f0fd65df795c1c
17. 0x84ade16fc3dc3a4a6aa46b581fe43195d593a51802c7d0a75e650bfd9c3ea4df
18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345