Evidence row 527843

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://markt.halowerk.com/trades"
    ]
  ],
  "name": "HALOWERK marktwerk",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "asset": "USDC",
          "assetTransferMethod": "eip3009",
          "eip712Domain": {
            "chainId": 8453,
            "name": "USD Coin",
            "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "version": "2"
          },
          "name": "USD Coin",
          "network_name": "Base Mainnet",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "Returns the raw public trade tape of Binance, Coinbase, Kraken, OKX or Bybit for one BASE/QUOTE pair, oldest first, exactly as the exchange reports it — no smoothing, no merging of prints. side is the side of the aggressor: reported directly by Kraken, OKX and Bybit, derived from the maker flag at Binance, and inverted from the maker side at Coinbase; side_source names which case applies. Where an exchange does not publish it, side is \"unbekannt\" and side_inferred stays false rather than guessin",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "symbol": "BTC/USDT"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "limit": {
                      "default": 100,
                      "description": "Number of trades, newest last. Bybit spot publishes at most 60.",
                      "maximum": 1000,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "since": {
                      "description": "Optional ISO start time. Only filters inside the window the exchange publishes.",
                      "format": "date-time",
                      "type": "string"
                    },
                    "symbol": {
                      "description": "Trading pair as BASE/QUOTE, for example ETH/USDC.",
                      "pattern": "^[A-Za-z0-9]{2,15}/[A-Za-z0-9]{2,15}$",
                      "type": "string"
                    },
                    "venue": {
                      "default": "binance",
                      "description": "Exchange to read the tape from.",
                      "enum": [
                        "binance",
                        "coinbase",
                        "kraken",
                        "okx",
                        "bybit"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "symbol"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T10:09:14.855Z",
    "quality": {
      "l30DaysTotalCalls": 18,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-27T10:09:14.425Z"
    },
    "resource": "https://markt.halowerk.com/trades",
    "serviceName": "HALOWERK marktwerk",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Returns the raw public trade tape of Binance, Coinbase, Kraken, OKX or Bybit for one BASE/QUOTE pair, oldest first, exactly as the exchange reports it — no smoothing, no merging of prints. side is the side of the aggressor: reported directly by Kraken, OKX and Bybit, derived from the maker flag at Binance, and inverted from the maker side at Coinbase; side_source names which case applies. Where an exchange does not publish it, side is \"unbekannt\" and side_inferred stays false rather than guessin"
}

What the leaf hashes

{"body":"54bfd848985f42b6c2e87c653b2d536ca8539180e9b6699cb3960c396f392038","id":527843,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124864897489,"prev":453042,"subject":"x402_bazaar:https://markt.halowerk.com/trades","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. 0x8fadbb660a71700521e7fcfd7429364c364979136607b6472ffd564ea7c776ff
2. 0xbbbf9a5f9d4bbf9830ffef2e16d537527da03d4620ecd08f54c18acc0e5a44d8
3. 0x1050345fbdef9f224c28b9ef034534db4d8a5801de4da6a52d71e7b1fff668e0
4. 0x787f765e9ef2b256e40f1218de9628a90bc99d5fe5fe489e104a9cf32b5c99fc
5. 0x810220e588989b31276be8ca37da42983a4b3c41acc19879681aec1bc0483f23
6. 0xc135cc331fbe82c86856a9893bcc64c58438deac32619073c65e051c575d925f
7. 0x24def2ba601869c8e3483f7a6c2b3202cce97b6657c11e279a9fa13ad92af664
8. 0xfaccb29583db13546ef9cbf1c203e21dcff16fa528dee8b1b99dd175fabb4b41
9. 0xdee249816ebc802a5de50a9505138e7875db41e6f64dec244b0c709410b52a9d
10. 0xf02b3d33d5dbba846eb2804b96aad032d5c4bd7b22f43f176959536e0130e072
11. 0x8e9c5f6e43e595f47f84f799aabf34754c649742c93a57fc91c20c42baa244b9
12. 0x3d13b6f855471289691a683ee58cac14977b2531dabc14f9c666e928df0908e6
13. 0x5c9cbca5bb1d6be4d84e301b4e4c1a280536eb16ee98ed4add9057142c132dde
14. 0x06e3b43165f5b3c31d850bc32f20b2e25b844564c4e042c141b9748c26a5a600
15. 0xb4f7223140c8a36cb87a63d77cf617086d9968dc4658f03e102571ebe06e9ed6
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4