Evidence row 72838

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://crypto-market-data.zafermemon87.workers.dev/v1/derivatives"
    ]
  ],
  "name": "Crypto Market Data",
  "owner_address": "0xa41015022322640f03a895bc439da80ddfd73954",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xa41015022322640f03a895bc439da80ddfd73954",
        "scheme": "exact"
      }
    ],
    "description": "Funding rate per 8 hours, futures premium, open interest with 1-hour and 24-hour change, and long/short account ratio per coin.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "tokens": "BTC,ETH"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "as_of": "2026-10-23T20:03:00+05:30",
              "charged": true,
              "data_age_s": 60,
              "engine": "data-1.0",
              "note": "Public market data, refreshed every minute. Not financial advice.",
              "plain": "2 coins. Highest funding BTC +0.0093%, lowest ETH +0.0029% per 8 hours.",
              "price_usd": null,
              "rows": [
                {
                  "funding_8h_pct": 0.0093,
                  "futures_premium_pct": -0.0377,
                  "long_short_account_ratio": 2.132,
                  "open_interest_change_1h_pct": -1.12,
                  "open_interest_change_24h_pct": -2.76,
                  "open_interest_usd": 7557774664,
                  "token": "BTC"
                },
                {
                  "funding_8h_pct": 0.0029,
                  "futures_premium_pct": -0.0432,
                  "long_short_account_ratio": 3.296,
                  "open_interest_change_1h_pct": -0.54,
                  "open_interest_change_24h_pct": -1.1,
                  "open_interest_usd": 5574031222,
                  "token": "ETH"
                }
              ],
              "snapshot_seal": "eb08dce6d854951431a0fb2732282227e1d954ec072422c9bfc5bee2f3ed695f",
              "tool": "derivatives"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "tokens": {
                      "description": "Comma-separated tickers, e.g. BTC,ETH,SOL (up to 50). Empty means all top 50.",
                      "type": "string"
                    }
                  },
                  "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"
        }
      }
    },
    "lastUpdated": "2026-10-25T18:42:21.901Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-25T18:42:21.321Z"
    },
    "resource": "https://crypto-market-data.zafermemon87.workers.dev/v1/derivatives",
    "serviceName": "Crypto Market Data",
    "tags": [
      "crypto",
      "market-data",
      "liquidations",
      "whales",
      "hyperliquid"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Funding rate per 8 hours, futures premium, open interest with 1-hour and 24-hour change, and long/short account ratio per coin."
}

What the leaf hashes

{"body":"682c7133f19dd4d9474d0b2d23dfcd2e271a5f83f0cd6beb93fa0c0634a05b7c","id":72838,"kind":"listing","method":"baseline/1","observed_us":1793025486532654,"prev":null,"subject":"x402_bazaar:https://crypto-market-data.zafermemon87.workers.dev/v1/derivatives","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. 0x866ce7b75686ce174e65af8cf4da7af395201d8cb880733c39eb7510576dfc36
2. 0xca87c3c61ae2be35727484afeaccb574fda3beaca836f221e55f5094761b6aa9
3. 0x7e41b28345a17d24cb28d395b67661fb5952c43c5b9cecad7ecf499537ae1c48
4. 0x3a3cfb580e179da52548d14e7b5739368988b2c492ddf0da3e8e6503e66d3eff
5. 0x41e52c2c7f29f0fa246c1c77c70b0aa97e17f7ab56cd3e167a06f1f95016a9e4
6. 0x785dc21a61d1ce337cbf8865f2579cc198c37b70e48707ce6bf1841f3747aecc
7. 0x6ab88316cd2459db0a3859686e43bc9ab9b48e120243c004f8cf7668cbb6ffeb
8. 0x9faf2da222ab3afec76e283643714bddd630f12409cbc7541e1af993a3219459
9. 0x71c0daefd140cec252c986d779edb4efc65fc2b221c658a7e6c7224d8aba2fc0
10. 0x0d847b9eb30e194e701d2d4f8af4f34ef43f6c033fe5e001b93f122bdbea7c80
11. 0xd6d2fb435c815b0341c19086a636cc9a706a6129405e2030054a243942b686fe
12. 0x146f43471a3bde6d8a04e87b6afd3ee6860c6e38a009f86aee705ce722b67748
13. 0x91c2ae93ec20c7fed5088112fe3941ca622dfb3f8f1022c4844726c361244bd4
14. 0x0eff463856b0992d53ab7d8c0b97c71541413358bdd445710c1e4b6aeb4d8f78
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae