Evidence row 116694

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": 4,
      "l30DaysUniquePayers": 4,
      "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":"cd2edb25089aa263d31a1c9ca0a49698425579159eec367f3ae85578d0b4a15b","id":116694,"kind":"listing","method":"baseline/1","observed_us":1793025610173999,"prev":null,"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 2026-10-26 (296695 rows).

1. 0x98fc0565d7b5b7d88d5088c802ef5b5debc499e4e365c5cc33d1786ef25949e7
2. 0x2dc8d048db3f14bff5c3c31e09f156af54673e71db6ff7a3cff6a5fb0df54815
3. 0x46096a58d5310f5740f95842c8747b6454a98d782736b63c434a98722905e57c
4. 0xa1d87bec7ff26cea52ffb69b6035084171696a7c9313a40b4cc5da991716caaa
5. 0xbfdc959e046a8a4918f482d9f40541efd132f6d2408e39de24722938a301754f
6. 0x1eb46e33e9666d0cc2f03f32a4062e4b99dafd343503d4e446eec10c11f0e770
7. 0x0eecb2632080663613f0ecf86130feb006b63349b6937d2934cb847b327ef0bd
8. 0x204f059b2eb71a40e1ec64a68d80af61581178473ac9b5193d60ea658a37ae47
9. 0x5ebed75ca678129fe62392901b6d67c57f4dace48f5a0ab017ff64af5a40a159
10. 0x2b4f513a842f0518600372c41655e79b425e107967347efd041a1f46774282f2
11. 0xd3f19437d703373e99e0bf69c4ca06561426260f599f7d259e3257085a387573
12. 0x6ae9e6ee1b544d831982666bd3570457659e78fc0064894d7ec23f971a37ff2f
13. 0x239fd39716710e7412bd120c373072b4c0d8b11bb9ee431dad62a2ce57b3d6f4
14. 0x49062da782c4f73855ddd5fdd51840749f928b5f17d1ce75ac50f2d829104e72
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae