Evidence row 407820

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.nexismvp.com/market/funding"
    ]
  ],
  "name": "Kronos BTC Funding Rate",
  "owner_address": "0x3b59f268ebc38c5f43b8b9be37238bf43378ad87",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x3B59f268EbC38c5F43B8B9bE37238bf43378Ad87",
        "scheme": "exact"
      }
    ],
    "description": "Real-time BTC perpetual futures funding rate (OKX) — positive means longs pay shorts (bullish crowding), negative means the reverse. Experimental/informational only — not financial advice.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "funding_rate": 0.0000499,
              "next_funding_time": 1786291200,
              "sentiment": "bullish",
              "symbol": "BTC-USDT-SWAP"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "funding_rate": {
                      "type": "number"
                    },
                    "next_funding_time": {
                      "type": "number"
                    },
                    "sentiment": {
                      "enum": [
                        "bullish",
                        "bearish",
                        "neutral"
                      ],
                      "type": "string"
                    },
                    "symbol": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "symbol",
                    "funding_rate",
                    "sentiment"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T19:16:03.287Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T19:16:02.809Z"
    },
    "resource": "https://api.nexismvp.com/market/funding",
    "serviceName": "Kronos BTC Funding Rate",
    "tags": [
      "crypto",
      "funding-rate",
      "bitcoin",
      "derivatives"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Real-time BTC perpetual futures funding rate (OKX) — positive means longs pay shorts (bullish crowding), negative means the reverse. Experimental/informational only — not financial advice."
}

What the leaf hashes

{"body":"7cbb8c8b7c39fbbd989a966120de9a32a112a03867a099526c502a29142a66fd","id":407820,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080252541567,"prev":283995,"subject":"x402_bazaar:https://api.nexismvp.com/market/funding","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. 0x742e1f18a45fcc5a337d1ce3c7e89517c9d272428bfa1a88cddd717e780d48f8
2. 0x572244cebd729c2ddaf7a52bf7f4c66926ffe4ead44b795bd8789f11d39c8111
3. 0xc326c7095f3781948b53c74e9b5cc97115fd76d52684429c524dc8be988518da
4. 0x206700f1a5e4b219ea4ba8c2b5dd0c2649e8e43803945915a974139efdd61e7d
5. 0xd4beb9f31014682df5b7ea0887a9c2ac00eb96fd67a5fe618bcfe98a6bc56d3e
6. 0xb18503947e924fe950cad67c6884e8e770fe73611343733b05e08c88cf521b3f
7. 0x1fa4b4febbf2e97960e9b105429b73ed40d3ba80faee85a143ff0cf8c7cf09b8
8. 0xdb2917ea2967ad652e6f00e6f72e45647f488bf279676b09a91f52568e4b19d0
9. 0x46b7c28b01d7af0d32cc14b994f8d97384f0c739e179d9927629ef1ee652003d
10. 0xf7183cba9cd67699064b26ea6acbfa032bf68cacd6fd90929c591383c8d3d989
11. 0x87d9722f6144a6bdbc601abce8aa277e4125cc680211131dcb21639e43daeffd
12. 0x58a1b7d7965722efb70d69acfb10b39e77f817864b8d4b4069d33ff29884a3bd
13. 0x4094bd5bc2ab60e4518d1ee8a13455a69d7484ea62ecdca2618d0f39d3403503
14. 0x9848c068b1371232529d2b5738fdc45b854c57da041b69ea7c9e112b14e2d9d1
15. 0x275720ecabb68df33eee92ae4fd70572a8d952d6c61c061c2869cfc3217aa5c5
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4