Evidence row 279301

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": "2026-10-26T17:37:54.838Z",
    "quality": {
      "l30DaysTotalCalls": 17,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-26T17:37:54.392Z"
    },
    "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":"22d317b6f9d98c324d3c2520608420d593ffdfb75cf1168803b130c3b5607d44","id":279301,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042188883864,"prev":272141,"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 2026-10-26 (296695 rows).

1. 0x1fc2874fa4f77d7a7cbe52f460f9b1cbceab0e8725ad94ff1b74a3e9148482df
2. 0x64fab99b6804dfc10513e0ecee3f7ab2d92bfad9857fae844a875131e5aa165e
3. 0x0561b7e6303138825260ac75f8a9e9990044109c2201d3772a9b9ea29b2191a8
4. 0xc462fd684d18a0b37959ee31a4e99bbe89b3590b0848227b80748ce2dde2d9b6
5. 0x8f3e2445ab25e3fc7eea5435a8328c82916c6befb4ef0f2107d13de5e07c07f2
6. 0x6b9b0a90ff8b1ae1153dbb6b544796b80599a24a36641a52bbe6acbbb241acf5
7. 0x990850086034e3296c87c0dc00573138dc28a6e83c40119c811e82e01d7931c6
8. 0x752b5234d45d0c9e724c102c18dfcd47c5c4a78868564cd4fe4729e256e6d577
9. 0x40e0a9ac6427a7ea07c0ef47b73962b21160519fcc03060ea19e1a97d078ccb1
10. 0xcb356795c2f871f10302e99d7886dd86ab753d56286c29b6b548252764b8cdca
11. 0xbfd7c325ad90588d62856113d1c0ad99de5d67958ff0f672c892809fd668fffe
12. 0xbd94b9d1458901cf513783d5d2bc701e3babbcdf9219e07ee2be8fb2c897060f
13. 0x42b0d9d5b53af5b0fe99cee10ce29fe484db78b92ce49f97190cc6d098651d47
14. 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae