Evidence row 526974

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://crypto-market-data.zafermemon87.workers.dev/v1/orderbook"
    ]
  ],
  "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": "Bid-ask spread, order-book imbalance, buyer share of the last 15 minutes and volume versus normal 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",
              "imbalance_means": "-1 = the sell side of the order book is far heavier, +1 = the buy side is",
              "note": "Public market data, refreshed every minute. Not financial advice.",
              "plain": "2 coins. Most lopsided book: BTC (-0.033).",
              "price_usd": null,
              "rows": [
                {
                  "buyer_share_15m": 0.615,
                  "orderbook_imbalance": -0.033,
                  "spread_bps": 0.0012,
                  "token": "BTC",
                  "volume_15m_vs_normal": 1.58
                },
                {
                  "buyer_share_15m": 0.588,
                  "orderbook_imbalance": 0.023,
                  "spread_bps": 0.0419,
                  "token": "ETH",
                  "volume_15m_vs_normal": 1.65
                }
              ],
              "snapshot_seal": "eb08dce6d854951431a0fb2732282227e1d954ec072422c9bfc5bee2f3ed695f",
              "tool": "orderbook"
            },
            "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": "2026-10-27T10:05:58.029Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-27T10:05:57.382Z"
    },
    "resource": "https://crypto-market-data.zafermemon87.workers.dev/v1/orderbook",
    "serviceName": "Crypto Market Data",
    "tags": [
      "crypto",
      "market-data",
      "liquidations",
      "whales",
      "hyperliquid"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Bid-ask spread, order-book imbalance, buyer share of the last 15 minutes and volume versus normal per coin."
}

What the leaf hashes

{"body":"0b2ec8f62a07cc342ef34918072cfce59e505800acb7cf8184bfebf7a3f9aa01","id":526974,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124793346643,"prev":452036,"subject":"x402_bazaar:https://crypto-market-data.zafermemon87.workers.dev/v1/orderbook","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. 0xa9745e81aec3cde6247eeaa08e5f05b81ac47bc47c073cb4099103a3c26c2fa6
2. 0x8b635be8fa5bcc3ae8186d70ecbad33fb1c5e8043caae5dceee5de9e5c04983f
3. 0xbfad8d28c0298e1d21b5c939b0f29042b051133c09f7f74d6c728cdd240b383b
4. 0x6ce6d60ea57097f6decef3589a3f808f5c8a494815ddb9bdc26911621cedf1aa
5. 0x6ca295ff45ada1ad997d333ada8e614e6bbc42ca3e55e322904fe3421ab88152
6. 0x9bea2ad929280e594da555f5f1f09b1dcba5ad83b1279566c1016e55cf74823a
7. 0x8af966dca2e0527e51847f5c7c96b55fd08c4cfc44bf6d2946611e431c93ea9d
8. 0x347ebb0af73775f3e32f0636a6a0070aeba27b216e32c6d0751e90f645682046
9. 0x431f7413e823b062527a73a03b5fae6b210489587239443cb5aa2f19aadeec75
10. 0x3466d9f1e31dbdede2329b2c4dc10b270dcded0105bcbe659412818a11723341
11. 0x324d1c483a7a3f90b87e666635af8af905bde0bcef0945e9f29ca54a05110160
12. 0x209c5ec9dadef949213746eeb17aaa8b9acf049b484430fc0bc152ee10f2e007
13. 0x5e700087f2a5e8fb7372f2c2db037d66942006d666bb45dd92f745011295fa7b
14. 0x98c6ed3e7b5bb7f1757a8660af410226a11dd563bf83010040c2ce059ab45e54
15. 0xec7bb68216a4deb1960acfbbd75da88f7e468b58adb9cf3ec62f2790e46508b3
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4