Evidence row 452048

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": "2026-10-27T10:05:17.943Z",
    "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":"09e5136a14e595f2497368084e3ddfc5e88b416df306e7f8cd0d4a4b6216e1a4","id":452048,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100517044660,"prev":72838,"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 2026-10-27 (273461 rows).

1. 0x395c4e53eff718124684749a863bebf2faaad71719379eaca951a6621ac2d754
2. 0x5527c0bc9b808d7479936e280a74efacca52bfce72632c93a3187d7179372355
3. 0xf79dec55e0116773198396c7407209c9cb7f856b32b4bca76d503ffba1f6c9c6
4. 0x5a659f5f6b6b306cca6d6925aa9b39db5d7cb1a4cc7f5ea66ad82adeaaa59fb8
5. 0x8d711b15c82a30197fd99e6d0e1517ad637ae1edd5612572c1b026e9cd0f1575
6. 0x5744c6bea3ae935c74ff57a03778563afeff3c95abe47922fcda417bbdd2528e
7. 0xdafc6c7b6d1f625f96d1ed985939ff1cb78c1cc5cd20cb080e4d55606c07ba4c
8. 0xe9c0d82940653ec5b7e27e75d989d3850f4364a7e99086d8bbedbb55f68d8fdd
9. 0x59b6902ce554384c3e603b1792443feacec76862b4f5c29fb63fcac840677041
10. 0xd3bafd1fb04112a9e4dcb856923023c48687d35d10706dbbcdca3fdba79a5ccb
11. 0x7b8168d9a323983ca8a6e81296d112593f810321905f76034e59a057770de39f
12. 0x5ad46fa78d79ba6d76c322cad1bc48cbf0c26dc875ba94214d44c9d3c0b36673
13. 0x5a6a2d80130a2a2e783e8f8096057d594b53c7bc148344100f2c40afa809745f
14. 0x42784d9809d120654630ee1b254a1dd90a2bbd3024aa180f1a59bbf53e9316e4
15. 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4