Evidence row 453042

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": 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":"22dbaebec47bfcdb39303261df1dcbf9c91a7f80fa37d8ec2c0b9824b58663f3","id":453042,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100590305335,"prev":279301,"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. 0x29ee6c770dedccd6fc30295aba6afcf3cddd9c50b3ffeae9ed10987115f08796
2. 0xcf4a190582779d85c2c6ea64cb3b3591d50912b163440e5e722b1be7924263f2
3. 0xdbff65fe020f14b25b4418f2fa23d2b5802dd1223d760ceff163d06a348cbaad
4. 0x2e194f76f3dece170f0fd1970e2ec24b6d76fe47617b52ef13e962aec7a97c6c
5. 0x2e16a7e4a00d56adfa68ee208c4840585a3c81e998fd6db2f78db1622784341b
6. 0x9063dffe3bd5b6a74501f5d20bae03faa732d40cb666fc6bcfad05ae7d583463
7. 0x9a81ecc0f395dfa4afbe9afea7f79d3423cddb05355d5b65ccedef4c4c1f775f
8. 0x80716eb74b2d1314803956be4ec77b2ad77f0a1e9a624abfb28cb81464033f2a
9. 0x2c6aaef35f512bf94c8ae796a980091c9e8406c2ac73b68568f0bf5e620a9766
10. 0xdbba599f70f2c71e71132c071f915971cd6ce5e794f5d6ddaaf2b31752debe2b
11. 0xa4cf5f8abf1fd5862fdfe7da495135918d37a4b05ef397791ef37ad625f906c9
12. 0x53be2d72842ed384672ee78d06cbad599558474b78db9065a3b26f87d53522fa
13. 0x28be2f2303fcac4decdb6323b0f4ee8f8a31038beb758eaafc604a98626292e4
14. 0x8ff18b1523f9fbdd16a5796cbe184b46854c06256508af8de5509b598370c725
15. 0xa383a1cfe9b3f6af67eb4c7642564b9424d46d7fca90e7ba175d549f8b67dd0c
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4