Evidence row 72908

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://cryptofeed402.site/funding/history/:symbol"
    ]
  ],
  "name": "cryptofeed402 funding history",
  "owner_address": "0x93e4b468a88b1f084efc781ec7a1e2d195a40d22",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x93e4B468A88B1f084Efc781ec7A1E2D195a40D22",
        "scheme": "exact"
      }
    ],
    "description": "Hourly funding rate history for one Hyperliquid perp: each settlement's rate (hourly, 8h, annualized) and premium, plus mean/min/max, positive/negative hours and cumulative rate. hours=1-720 (default 168) or from/to, max 720 hours per call; history back to each perp's listing. Bad params 400, unknown symbol 404, no charge. Free sample at /samples/funding-history. $0.005 USDC per call on Base.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "symbol": "BTC"
            },
            "queryParams": {
              "hours": "168"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "count": 168,
              "interval_hours": 1,
              "points": [
                {
                  "annualized_pct": 10.95,
                  "premium": -0.0002,
                  "rate_8h": 0.0001,
                  "rate_hourly": 0.0000125,
                  "time": "2026-10-20T00:00:00.000Z"
                }
              ],
              "stats": {
                "max_annualized_pct": 21.9,
                "mean_annualized_pct": 10.2,
                "min_annualized_pct": -3.1
              },
              "symbol": "BTC",
              "venue": "hyperliquid"
            },
            "type": "json"
          }
        },
        "routeTemplate": "/funding/history/:symbol",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "properties": {
                    "symbol": {
                      "description": "Hyperliquid perp ticker, case-insensitive",
                      "pattern": "^[A-Za-z0-9]{1,20}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "symbol"
                  ],
                  "type": "object"
                },
                "queryParams": {
                  "properties": {
                    "from": {
                      "description": "Start, YYYY-MM-DD or ISO 8601 UTC (instead of hours)",
                      "type": "string"
                    },
                    "hours": {
                      "description": "Last N hours, 1-720 (default 168)",
                      "pattern": "^[0-9]{1,3}$",
                      "type": "string"
                    },
                    "to": {
                      "description": "End, YYYY-MM-DD or ISO 8601 UTC; default now",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "as_of": {
                      "type": "string"
                    },
                    "count": {
                      "type": "integer"
                    },
                    "coverage": {
                      "type": "object"
                    },
                    "interval_hours": {
                      "type": "number"
                    },
                    "points": {
                      "items": {
                        "properties": {
                          "annualized_pct": {
                            "type": "number"
                          },
                          "premium": {
                            "type": [
                              "number",
                              "null"
                            ]
                          },
                          "rate_8h": {
                            "type": "number"
                          },
                          "rate_hourly": {
                            "type": "number"
                          },
                          "time": {
                            "type": "string"
                          }
                        },
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "stats": {
                      "type": "object"
                    },
                    "symbol": {
                      "type": "string"
                    },
                    "venue": {
                      "type": "string"
                    },
                    "window": {
                      "type": "object"
                    }
                  },
                  "required": [
                    "symbol",
                    "count",
                    "points"
                  ],
                  "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/v1792293388/bazaar-icons/98767f120c2f6858.png",
    "lastUpdated": "2026-10-23T16:02:21.978Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-23T16:02:21.646Z"
    },
    "resource": "https://cryptofeed402.site/funding/history/:symbol",
    "serviceName": "cryptofeed402 funding history",
    "tags": [
      "funding-rate",
      "historical-data",
      "perpetuals",
      "backtesting",
      "hyperliquid"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Hourly funding rate history for one Hyperliquid perp: each settlement's rate (hourly, 8h, annualized) and premium, plus mean/min/max, positive/negative hours and cumulative rate. hours=1-720 (default 168) or from/to, max 720 hours per call; history back to each perp's listing. Bad params 400, unknown symbol 404, no charge. Free sample at /samples/funding-history. $0.005 USDC per call on Base."
}

What the leaf hashes

{"body":"f14bcaa20d320f70ed405ce78d6848180ba750a713d40d6070e59384ec55aeec","id":72908,"kind":"listing","method":"baseline/1","observed_us":1793025486809679,"prev":null,"subject":"x402_bazaar:https://cryptofeed402.site/funding/history/:symbol","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. 0xe3c440f324882fe310632e495e540eb748f0ca944ad8dae6f083aa99170b3184
2. 0x79e4f2188e1a13d9d73e4ebf018cc0a56c6a76814a5bbee56792d188728abe55
3. 0x4137bda5f2af0f0011fe27a394b23ff7f145418bb6c2708a8ec0f68b9bc0abab
4. 0xafbd46bf74149b9cce60c36f277c104b58ee8b348457078dbb532ffbaa71f4ea
5. 0xbed615f9fec7d5d1d0fff33e83ce216c6706055b4613dc440c79c2ddd92cc4a7
6. 0x676ed44d7c9294c5c8e062110ac94751dfb75ed4153e7d5b2c089496dc0e18d4
7. 0xb1f9c20df1694c5d91e9d708be20454487310357c235c516f175fc7e840ce549
8. 0xe68bf7eca60595b17044da353fbdf13174529944e058ee02f50dda86e8893f30
9. 0xd64a1531ed43b02a67d87d21ecef0bc1c12b2445722979b0bc983e2c2082ca37
10. 0x249b79bed19d1f9d60c6d935894d3c7f842961834c52c966852cddf05d69629d
11. 0xb545b804be0d2933a674be6ac915c6c6235897d0274e66143aa7cf879b9d86a3
12. 0x8e135936797442c4eea61915f2c9f8f6df06e1322204cd0e6986ada3e54c77cc
13. 0xc0924a0807e534382f518663123231c317124338831a2b310de2c17b09677086
14. 0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae