Evidence row 272141

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": 13,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-26T01:14:55.433Z"
    },
    "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":"bf2f85fe920d4d3030a39359291861ecd80b1fa9654be849384a8d70bd9026c0","id":272141,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793038747989912,"prev":60760,"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. 0x4ea043b19404ecc3997967cb1e866a20760bfaab3f709621a87e786d0baa9a08
2. 0x5b7cc6c7d67f30e87eb5dc4bd69cc4b5e9eb75e24d9d0070e304d5a05abd7023
3. 0x2c924df4a8c7037d2754b3a0f3a18b110b4a8cfea7b2cc2cca80d1baff71da6d
4. 0x44ae1735bac0ca10fa7f5c5af8e37bf26a75e5e05893557bb98f5c9ba59bfac4
5. 0x1ee09c794f919f9a617e509aa009ad849cf9a5046cdae0209d53c1e115718462
6. 0x253bfbc084670e0546426d2afa6fe32aee9678b33dae29a6ef581c5128f9113a
7. 0xca8a68642ccd9266522c148f2e7b560f5c645604a67cb250151e68c61aaf4da0
8. 0xad331b1bfe6fda98a3443e78e66dfb2aa5f9f18b3924e8d522a13debeb6018a2
9. 0xb5a2ff57df9c49538a0db5306ddc37af974a8caaa04dd03823b77e9b0412f004
10. 0x3c2a519207c7fbe7025a4c98d41e42ecc9446b3fb0b1dbff629a91c8c74e0781
11. 0x20ba86fd56bddd46212d02e792b969e90a1167c4fb9ba4a54cb7da5cf7da1629
12. 0xaf14a84837a57dc5a0cb0ebd158daaad24c19301b9257d9e97c322a7d8c54bc0
13. 0xf7d2cf278e5d2768b8bdb70730c378877cf7165d8efcbec8bcd3282fdc50d177
14. 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae