Evidence row 3971007

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://markt.halowerk.com/hours"
    ]
  ],
  "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": "Answers the timing question an agent has before it schedules anything against a regulated exchange: is the main session running, and if not, when does it start. Covers XETR, XFRA, XNYS, XNAS, XLON, XPAR, XAMS, XSWX, XTKS and XHKG with pre trading, main session, post trading, half days and the holidays of 2026 and 2027. Time zones are resolved through IANA names and Intl at the queried instant, never through a fixed offset to UTC, because summer time starts and ends on different dates in the Euro",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "mic": "XETR"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "mic": {
                      "default": "XETR",
                      "description": "Market Identifier Code of the exchange: XETR, XFRA, XNYS, XNAS, XLON, XPAR, XAMS, XSWX, XTKS or XHKG.",
                      "pattern": "^[A-Za-z]{4}$",
                      "type": "string"
                    },
                    "timestamp": {
                      "description": "Instant to evaluate, as an ISO 8601 string. Empty or absent means now.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "mic"
                  ],
                  "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": "2026-10-25T18:39:41.686Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-25T18:39:41.268Z"
    },
    "resource": "https://markt.halowerk.com/hours",
    "serviceName": "HALOWERK marktwerk",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Answers the timing question an agent has before it schedules anything against a regulated exchange: is the main session running, and if not, when does it start. Covers XETR, XFRA, XNYS, XNAS, XLON, XPAR, XAMS, XSWX, XTKS and XHKG with pre trading, main session, post trading, half days and the holidays of 2026 and 2027. Time zones are resolved through IANA names and Intl at the queried instant, never through a fixed offset to UTC, because summer time starts and ends on different dates in the Euro"
}

What the leaf hashes

{"body":"6951cda70fbf193fdb0aa583468f508f03d65422ed67c8b5420845256becb456","id":3971007,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1794083675016686,"prev":3767595,"subject":"x402_bazaar:https://markt.halowerk.com/hours","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-07 (195826 rows).

1. 0x33515d59a1c7fed9713fa833055278c99cb0ef74fc270d35f63893c768d0aa30
2. 0xe61230f7a97ae217c9ad163fb112b8e4a2707ae4d38d16ef7d5b98889374a1a3
3. 0xb7beb89fae6de881127a914d88e29bc051eb8cc4f1b9f5e4709ed868f4ca4198
4. 0x53adb6d38d69f10b5fbb095db9486fb26085fa647983a1a15caeeb2fc7c81c12
5. 0x471622fa751e3ef0db0401cca9b92cea7e51c522445bf8e04617a66c1b5c0450
6. 0x8f0181d0524706af3df307c48e217b87809ac17d57f9b8e1afdbda4f1f82d2e8
7. 0xe8d8d0ecffe11709bf15c26b82cc653f47b6467de013dcc88039f5ae82b135bd
8. 0x4ff61f7fb9315c9dd24fb68b94a92b07ba709a0e9ca49ad794381fc3ef65f02a
9. 0xdb44df56d0fd46dec8b1e7ef8698c54ec382d9d51f8bb9fe21127fe37f8cd892
10. 0x00eb29b5bc23279cc1d888833f9d11d1fec105e3a0a90de8557fa2041fb7fb1a
11. 0x724e341c134cbbe8c1cd77c03cc83431bffcad29e0f5163401b849c49e2b7347
12. 0x6068d21ef05ea3dffd27c999fc947dc4c8f3e707a883551eb33703b5042fec01
13. 0x1d8312c7699963c5125f5e969a00860c4d425ef7c48f4dd3c60e0738b72012af
14. 0x2d57b894ed326d41f7dedd2958cac00bf549ea2c4764b90563d5d421d7392e94
15. 0xa3ca92229f3aac0e9b561aaa066ca1907adc3f0b1685587fa30369d41cf66004
16. 0xf0a56561418cd0342a328707933cc222d8fa725efff7ffd081e0226ee8c46c0b
17. 0x54292a94f447f1fd33c01b5c99da465043f11022958626a2ea562c457fef697a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa