Evidence row 525839

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402.fablerlabs.com/market/funding-spreads"
    ]
  ],
  "name": "x402.fablerlabs.com/market/funding-spreads",
  "owner_address": "0x65e3e64935ea709bdf1119e1fc991299c04c0154",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x65E3E64935eA709bDf1119E1fC991299c04c0154",
        "scheme": "exact"
      }
    ],
    "description": "Compare current perpetual funding rates across Binance, Bybit, Hyperliquid, and, for single-symbol requests, OKX. Returns interval-normalized annualized rates, gross cross-venue spreads, source status, mark prices when available, and funding timestamps. Optional symbol query; no symbol returns the ten widest current spreads. Market data only, not financial advice.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "symbol": "BTC"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "as_of": "2026-07-10T13:00:00.000Z",
              "requested_symbol": "BTC",
              "scope": "Current public perpetual-market snapshot; not financial advice.",
              "sources": [
                {
                  "markets": 1,
                  "status": "ok",
                  "venue": "binance"
                },
                {
                  "markets": 1,
                  "status": "ok",
                  "venue": "bybit"
                },
                {
                  "markets": 1,
                  "status": "ok",
                  "venue": "hyperliquid"
                },
                {
                  "markets": 1,
                  "status": "ok",
                  "venue": "okx"
                }
              ],
              "spreads": [
                {
                  "gross_annualized_spread_pct": 8.2125,
                  "highest_rate_venue": "bybit",
                  "lowest_rate_venue": "hyperliquid",
                  "symbol": "BTC",
                  "venues": [
                    {
                      "annualized_rate_pct": 10.95,
                      "funding_interval_hours": 1,
                      "funding_rate": 0.0000125,
                      "funding_rate_pct": 0.00125,
                      "mark_price_usd": 64355,
                      "next_funding_at": null,
                      "symbol": "BTC",
                      "venue": "hyperliquid"
                    }
                  ]
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "symbol": {
                      "description": "Optional perpetual base symbol such as BTC or ETH. Omit for a top-spreads overview.",
                      "pattern": "^[A-Za-z0-9]{2,15}$",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "as_of": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "requested_symbol": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "scope": {
                      "type": "string"
                    },
                    "sources": {
                      "items": {
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "spreads": {
                      "items": {
                        "type": "object"
                      },
                      "type": "array"
                    }
                  },
                  "required": [
                    "as_of",
                    "requested_symbol",
                    "sources",
                    "spreads",
                    "scope"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T09:56:33.64Z",
    "quality": {
      "l30DaysTotalCalls": 7,
      "l30DaysUniquePayers": 7,
      "lastCalledAt": "2026-10-27T09:56:33.211Z"
    },
    "resource": "https://x402.fablerlabs.com/market/funding-spreads",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Compare current perpetual funding rates across Binance, Bybit, Hyperliquid, and, for single-symbol requests, OKX. Returns interval-normalized annualized rates, gross cross-venue spreads, source status, mark prices when available, and funding timestamps. Optional symbol query; no symbol returns the ten widest current spreads. Market data only, not financial advice."
}

What the leaf hashes

{"body":"c83e5fd5bdacfcc16ea0b0c4e47684d1d2b70296918eb6254a8ec8c2707eb9d0","id":525839,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124767200910,"prev":451547,"subject":"x402_bazaar:https://x402.fablerlabs.com/market/funding-spreads","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xda427820083a2082c60dd4198665a40484664addaa8fef0f69feb66a9875b302
2. 0x67e8e3613cc83f73f7c0fa9e383a3ef3b32a8453c9ec0c6a683b6597b7a94839
3. 0x864fba47c103bc856bfe048818537a8883d28df546c9597ca8afa8ba7aeb9d9e
4. 0xe54d358dece63ae0df92bcd0b1b24093b280f0f0431abd4e18fddef7465cfaa4
5. 0x8f199bda42ffc05d50691d815f46623225d026e953b15a2b7adbffb7b6d0d9d2
6. 0x743c374a8867712c86ac85b3a9069054ee99b72d8bfbb6957eadeffff128b8cb
7. 0x53ba6fe336cecb735991b41d0975198c7bc4da40157f1ed1b8d29e8d757b3a77
8. 0x22f30e129d4464e2a76a46569f7be923bbdc9b03105bb2b0a4261961a62fef94
9. 0x8338ce345f26759ee98fe94c8c5b3c745cab32277f861a1cf9046964169b9f91
10. 0x785d263e308fb6ac32ea6e4d757be20921b77dfbf6c9702e0c1b5c1642fc9def
11. 0x51d2dfffae7b5a32ea0581772134c7771ab69d32e784a62f9ee589642395fc86
12. 0x29ce226640d83db3bc63fef23427a7af561200d30ffde9b1b7a61b814b844a39
13. 0x13692b463800846f580925c8ea49b43f92b7df3f9e8d32b8a18802640cca3780
14. 0xd59f3e577867f5105dd7f75598f16da8286185e426dfcdafb84e733fde2b2492
15. 0x24e3e2bb8ee1e8d20756de35f0e0c4ec8eb1f193bd2cf3f077ee1f92f211c34d
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4