Evidence row 452036

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": 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":"4ce4ce4c05c917393c5060590a2875f85e815c1d5053a734705de5e0651f0e84","id":452036,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100517015843,"prev":72841,"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. 0xe4e976a09b50a91d81ce5a15a2f252a06d1e2045c7c2821dd0c429c1d5aaa332
2. 0x122789f8e4431d99f226907555f0d3658923c3405df9674948ec8aaa885d9995
3. 0x6b7d42ee32c953ee56b0a96d26ad61daa74d2e7eb68a6a4433a9fccf0194e594
4. 0x33d8289331dee0e372f0a235f31c186bcb95416cb18dbf5b6369d3fbdc1d6f22
5. 0x2fc06b8b101a8b8b796c004a45208df7a122dcecb234eb575ddacd51f18ca9d3
6. 0x20b46116e0442c509baf65b62756735c28e43bf5365d2e7783921215c08a7c21
7. 0x7c17a2e0717cbc74d780870596a540c45c6da092b4a166af055f66f9cf1755b2
8. 0xd5fdbda6940699942c78684b14ecc771863d682cb015a0260160eda3bc9a66e6
9. 0x29f237f5de91a8e021757a6e8a369f055675d5afc402476757e0647ef95d9b6d
10. 0x8611785e2012cfee45f33d3fe580f41cf36df567bc003e8482dd67ce68e04bc9
11. 0x79b5848e3de58e55a9bc31f0b9fac7eaaa02831210ebc21da7db3a90dc579124
12. 0xc1d2a56a84338ae3b69b3423e631069ac48cf802439f26d41941f651ac2c28a1
13. 0xd98ea318b514153f74841c90aff18a807e61314ec99610bf3bdbb7219da01cbd
14. 0xf72dee7a0c7534cb19ede4959b957b00c0a8285c36ad49dd2ce1c1092bf60d93
15. 0x24e3e2bb8ee1e8d20756de35f0e0c4ec8eb1f193bd2cf3f077ee1f92f211c34d
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4