Evidence row 3064642

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://chainhilt.ai/api/v1/perp/hyperliquid/order/cancel-all/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 the Hyperliquid cancel-all action the user must sign; it cancels the account's open orders on the default perp DEX and spot, but not on builder-deployed perp DEXs. Errors: 400 invalid input or no open orders, 502 provider failure; execution may return 422 exchange rejection. Treat spot and perp as one balance only when the account abstraction mode is \"unifiedAccount\".",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "accountAddress": "0x1111111111111111111111111111111111111111",
              "fast": true
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "response": {
                "actions": [
                  {
                    "chainId": 42161,
                    "data": {
                      "action": {
                        "cancels": [
                          {
                            "a": 0,
                            "o": 77738308
                          }
                        ],
                        "f": true,
                        "type": "cancel"
                      },
                      "nonce": 1710000000000,
                      "typedData": {
                        "domain": {
                          "chainId": 1337,
                          "name": "Exchange",
                          "verifyingContract": "0x0000000000000000000000000000000000000000",
                          "version": "1"
                        },
                        "message": {
                          "connectionId": "0x77b75cb0a420adad7a889990c81470cb13ee6aad0c4b956dc4db3be805792961",
                          "source": "a"
                        },
                        "primaryType": "Agent",
                        "types": {
                          "Agent": [
                            {
                              "name": "source",
                              "type": "string"
                            },
                            {
                              "name": "connectionId",
                              "type": "bytes32"
                            }
                          ],
                          "EIP712Domain": [
                            {
                              "name": "name",
                              "type": "string"
                            },
                            {
                              "name": "version",
                              "type": "string"
                            },
                            {
                              "name": "chainId",
                              "type": "uint256"
                            },
                            {
                              "name": "verifyingContract",
                              "type": "address"
                            }
                          ]
                        }
                      }
                    },
                    "protocol": "hyperliquid",
                    "submitPath": "/perp/hyperliquid/order/cancel-all/execute",
                    "type": "signature"
                  }
                ],
                "errors": [],
                "warnings": []
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "$schema": "https://json-schema.org/draft/2020-12/schema",
                  "properties": {
                    "accountAddress": {
                      "description": "Account holding the orders (main account, subaccount or vault), not the API signing wallet; its open orders on the default perp DEX and spot are cancelled.",
                      "pattern": "^0x[a-fA-F0-9]{40}$",
                      "type": "string"
                    },
                    "expiresAfter": {
                      "description": "Millisecond timestamp after which Hyperliquid rejects the action. Signed with the action.",
                      "minimum": 0,
                      "type": "integer"
                    },
                    "fast": {
                      "description": "true adds Hyperliquid's fast flag (f) to the cancel; otherwise it is omitted.",
                      "type": "boolean"
                    },
                    "nonce": {
                      "description": "Action nonce in milliseconds since the epoch; defaults to the current time.",
                      "minimum": 0,
                      "type": "integer"
                    },
                    "vaultAddress": {
                      "description": "Vault or subaccount to act for; omit to act for the signer. Signed with the action.",
                      "pattern": "^0x[a-fA-F0-9]{40}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "accountAddress"
                  ],
                  "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": "2026-11-04T15:18:16.159Z",
    "quality": {
      "l30DaysTotalCalls": 8,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-04T15:18:16.004Z"
    },
    "resource": "https://chainhilt.ai/api/v1/perp/hyperliquid/order/cancel-all/preview",
    "serviceName": "chainhilt-x402",
    "tags": [
      "perp",
      "hyperliquid",
      "trading",
      "execution",
      "orders"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Preview the Hyperliquid cancel-all action the user must sign; it cancels the account's open orders on the default perp DEX and spot, but not on builder-deployed perp DEXs. Errors: 400 invalid input or no open orders, 502 provider failure; execution may return 422 exchange rejection. Treat spot and perp as one balance only when the account abstraction mode is \"unifiedAccount\"."
}

What the leaf hashes

{"body":"3f47124ea31cf3ae4fa7b8103e4a9ae0f32325bb1dcf89dd16701a2fb00fbf1e","id":3064642,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793822230287734,"prev":2633597,"subject":"x402_bazaar:https://chainhilt.ai/api/v1/perp/hyperliquid/order/cancel-all/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. 0xe482e5e023f3862777b025662ba203c705b20adb76fa9de57ee15aac19e6a33d
2. 0xfb58c116bdff4babbc341717001b30e9b57d7ca4ba445e931dfa3a74c8be0a05
3. 0x0d982e34b1a1e55386a2b8b82299881a7d2b8f08003e535b21af6c36892b97f7
4. 0x485bd337cb6aeb614ee72dc64047c48cf04c5b6c2ccaea1389367824f16088a9
5. 0xcb0cee2ceb250c732f67895684aa069738366c0b3b381ef47bdc5136c4f41b1a
6. 0xac6616e6b51a160022870183da287757c3600b56410adb3de2bac173e7884a9b
7. 0x65598665160ae0d3988fa158c2c4d9328991273414b39b0054dee1df0e4f5201
8. 0x785df1f53b0dfe8ab0985d75b646577eae95c1514f7e17714015709a7119a008
9. 0x7b6bfcd6702c5eb9b6b7d676ebf5dbea0440a803bdb2f9a2437b93e6c782f21e
10. 0x5983f19dae204a19efe9317e8cb0fbd47edc9b3e06f6eeb9a22902bbb66e0799
11. 0x35263360e0ba3017b6fffc4057b79def145755bbd7dce36a25160e872f81077d
12. 0x52c59214d635daa4676179d342694700ae07ec8e543b7d08681c03d11e3829ba
13. 0x850edfbd7f1ce6d3e11c51ed25671246e630daaf19bcd4d227e43e6f1340b62b
14. 0x7324a05814342612129bbef98d94a12fff89b93cf121ff58f8160eaebd6bcbcc
15. 0xacfc95cc63f2205f2e42294ed36a317ab746c06b12feb3c243315356ad95b62a
16. 0x621f050d36e1026696df95e35f6767fff738c18d7486aa88506e941d484ebef3
17. 0x7efb735f8d49bcac59a20b148718d382f32a05352c0255ebbd501ca73055453d
18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345