Evidence row 72841

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": "2026-10-25T18:41:30.837Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-25T18:41:30.246Z"
    },
    "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":"ae5c740ed13c5289b8246c47bbd17c78954373090878cd385385fa0285f415ea","id":72841,"kind":"listing","method":"baseline/1","observed_us":1793025486535286,"prev":null,"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 2026-10-26 (296695 rows).

1. 0xa4bc30b170db04e2e5a7f199e24c0e3bcea07d60690f2224933848c15eba6a1f
2. 0xc52120d2a323e49a92f06f94135a87a7f131c4b8d276bece1b510a73e4123a3b
3. 0x257d1ea4a2efa5208c653812b72e5371826a8984542664ab666f8c7469910051
4. 0x55e0d965d7cafd2d707bddd5881f10161f5176c24a74eee08375573d80a09150
5. 0x8f3c052e16e2c8f49e5483671d83be2b7b35987e99be2fe22e5f7393f17634ba
6. 0x20f40864c0efae294f2643a0ecaec0af9a3ff50c443ccef3d73d42d9b09ed6dc
7. 0x65fe350fde1aa315c21613f6e6bc12941839f6e6819f6ccd3a01a6e96170b3e8
8. 0x71a63f5d8eebcf2b745dd0a5b5c785545a639feb9479a1056e46f7bda7e43532
9. 0xaf4f5950fc8347a659fee6088d45f2ef59c1da8b5fc558e16afa3a5361e2b8b0
10. 0xff31bd0889dd2264a5f9e7437500931910fa5f036a5cb362c19a635234298956
11. 0x63bb18928b05af339d3db18a674ec04120f1a31736f638d4e101d735122f8380
12. 0x21725c62783071369e87d9e0abedb3d8cc37bdab8d0d58308c28aeb7cfd2bc8c
13. 0xc34c13c58ba9c342ea1b833ac1882a4aea22777c4fd1092b2f83d3bac6b9f845
14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae