Evidence row 73410

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://derivs.duoleads.com/v1/funding-history"
    ]
  ],
  "name": "Funding Rate History (Perps)",
  "owner_address": "0xcd673f7e1dad254347aeab6be0defe8b9c6b3a39",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xCD673f7e1daD254347AEab6be0DEFe8b9C6b3A39",
        "scheme": "exact"
      }
    ],
    "description": "Funding rate history of one coin on one exchange (Bybit, Hyperliquid, dYdX, Gate, Kraken, Deribit or OKX), up to 30 days: every past funding print with interval, 8h rate and APR, plus avg/min/max/% positive and the window covered. Historical perpetual swap funding for backtests and carry studies on BTC, ETH, SOL and more. Data only. Bad input is free; a venue that fails is not charged.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "coin": "BTC",
              "days": "7",
              "venue": "hyperliquid"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "as_of": "2026-10-14T23:00:00Z",
              "coin": "BTC",
              "colo": null,
              "coverage": {
                "complete": true,
                "from": "2026-10-07T23:00:00Z",
                "requested_from": "2026-10-07T23:00:00Z",
                "to": "2026-10-14T22:00:00Z"
              },
              "days": 7,
              "disclaimer": "Data only, not investment advice, not a benchmark; not affiliated with any exchange",
              "interval_h": 1,
              "prints": [
                {
                  "apr_pct": 10.95,
                  "interval_h": 1,
                  "rate": 0.0000125,
                  "rate_8h": 0.0001,
                  "time": "2026-10-07T23:00:00Z"
                },
                {
                  "apr_pct": 10.95,
                  "interval_h": 1,
                  "rate": 0.0000125,
                  "rate_8h": 0.0001,
                  "time": "2026-10-08T00:00:00Z"
                }
              ],
              "request_id": "01KEXAMPLE0000000000000000",
              "see_also": {
                "endpoint": "https://derivs.duoleads.com/v1/funding-rates",
                "params": [
                  "coin"
                ],
                "reason": "Current funding on every venue, with predicted next funding (incl. Binance and Bybit via Hyperliquid)."
              },
              "stale": false,
              "stats": {
                "avg_apr_pct": 5.52702,
                "avg_rate_8h": 0.00005047508095,
                "max_rate_8h": 0.0001,
                "min_rate_8h": -0.000111848,
                "n": 168,
                "pct_positive": 79.1667
              },
              "symbol": "BTC",
              "units": {
                "apr_pct": "simple annualised percent = rate * 24 / interval_h * 365 * 100",
                "interval_h": "hours between funding payments (per print: the gap to its neighbouring print, whole hours 1-8)",
                "rate": "fraction per funding interval",
                "rate_8h": "fraction per 8 hours = rate * 8 / interval_h",
                "times": "ISO 8601 UTC"
              },
              "venue": "hyperliquid",
              "venue_as_of": "2026-10-14T23:00:00Z",
              "venues_missing": []
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "coin": {
                      "description": "Coin symbol: BTC, ETH, SOL ... (also BTCUSDT, BTC-PERP, XBT, 1000PEPE).",
                      "maxLength": 32,
                      "minLength": 1,
                      "type": "string"
                    },
                    "days": {
                      "default": "7",
                      "description": "Days back, 1-30. Default 7.",
                      "pattern": "^[0-9]{1,2}$",
                      "type": "string"
                    },
                    "venue": {
                      "description": "The exchange whose funding history to return.",
                      "enum": [
                        "bybit",
                        "hyperliquid",
                        "dydx",
                        "gate",
                        "kraken",
                        "deribit",
                        "okx"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "coin",
                    "venue"
                  ],
                  "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"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792027337/bazaar-icons/721db30f7c7d72f7.png",
    "lastUpdated": "2026-10-25T01:35:12.745Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-25T01:35:12.447Z"
    },
    "resource": "https://derivs.duoleads.com/v1/funding-history",
    "serviceName": "Funding Rate History (Perps)",
    "tags": [
      "funding-rate-history",
      "funding",
      "funding-rates",
      "perp",
      "historical-data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Funding rate history of one coin on one exchange (Bybit, Hyperliquid, dYdX, Gate, Kraken, Deribit or OKX), up to 30 days: every past funding print with interval, 8h rate and APR, plus avg/min/max/% positive and the window covered. Historical perpetual swap funding for backtests and carry studies on BTC, ETH, SOL and more. Data only. Bad input is free; a venue that fails is not charged."
}

What the leaf hashes

{"body":"f4ac33c60aa6adc5b3fd18d38f04215440661ed5ae998c47a04ae829a89db3cf","id":73410,"kind":"listing","method":"baseline/1","observed_us":1793025487596076,"prev":null,"subject":"x402_bazaar:https://derivs.duoleads.com/v1/funding-history","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. 0x75b31e39c58d147c18996de6a81bc883144d155cd2b3eaffdb1be2cb432f4456
2. 0x9e8b9f02ce18de211254f174303652dca39b7b131c2f0d954cd4c825711c036c
3. 0x4974db916fa6d1b3b428e6fce5f619572faa0ee31b7967098cf78472c88a60d4
4. 0xa3414a8bd0a8675c56636e6fe14b6a0d1bebb6257199e0bc7a2f434a37e45a78
5. 0xfdf720f9bd499eabb010e85cab907feca884da70091271672a9ec3b3b1ddbbcc
6. 0xce31d0cc21a73d185bae17a77e7ce6f7c7774f4766e1885d5b3ac35f9104dfeb
7. 0xdd41c94880b0d4ef38116fd4661949a534f350488dce9c4182a10e7917601fca
8. 0xaba699b647960e76bba2da855376dce0015adb3f9310723b71237b3d57e9a911
9. 0x528dd18f50b92eaed3d5ec141250b283a7673bd8a60d7bab710c19253b03bfda
10. 0x32fc3b4924b2ed62acb146c2238d1a5ccc6a451511d89297319be57be5e16c50
11. 0x93bf58b59f9e2faa3bacdd73462869691f5329b6fe90d298d0df66b6273fb710
12. 0x43ccc5fffcdb82bff6ecf4ac7157c905b45d2f0362e7f7fbe908de1250b9533c
13. 0xdef3cab0b4070d8ad7f4f91288da4881d19789f131b1b353621df79df04a0617
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae