Evidence row 3767595

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": 2,
      "l30DaysUniquePayers": 2,
      "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":"a99a9794d4628b8c55a4d33df2893f6c5d52209125503df72ad01fafbfe1ab93","id":3767595,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793996794172447,"prev":2634380,"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 2026-11-06 (303443 rows).

1. 0xb54b99950f9b261df74307750142de83360a8f8b4442323b421dddef4b34a167
2. 0xb8362b5585544c7a2630375774903406836328786147fe1638ca255c3ae8fbd9
3. 0x157e2c3d0c3233534cd93a3ca93c2856eb18021c193e4deeec198dd1feb5386c
4. 0xf0298f7d8be5f815892cd1902038831a6953aec1971fd968f69a2071c2e48edf
5. 0xaff6877171cc347a470f685e6cac26c422ac6bc30907065453e7904c5f8f6949
6. 0x888930258bf3a88432a705fcf2b375dcf6040aa9f255611b8717f48262cfb6b8
7. 0x30ef7f151556224cfd7b46ca39e8592526ab2730ebd3db8e86b7fdf109e84a41
8. 0x497aaadb00b38255bbc6af17bb2ddfbd796919208521f6e9aa73d6afd12ac8ae
9. 0x9500e5bd6115857ab7a6511b0e1e6480af02c2d21de7af71cf85b306ca5bc2b0
10. 0xbc4fe719e0575f75e3e7d59383998d7a3161483253f2b6df495e8b690725f4a2
11. 0x6343d56564f6a4a3cc29aa81db6eda6a9bec4a8aaf00b62ff39816e787165e25
12. 0x1f058d0a17e09fdc118677165737da8ada041ced73951312a3c0c854fe419a32
13. 0x87cd1069c1edeee1d6a118b845c86f7e5e402d611f73a57624f6a6bd0a0a94f6
14. 0x8d5a032f475d5b910fafd32cb58c0d727d8f470fcc5d6ced065d044bda372ee0
15. 0x4e2c85f79c29b95d6dfb888e9d12396c3d7208dc05aa6a6d68fe77cf5be30da5
16. 0x4a5b4dca6c638b7872bc6485359586bebc62511ba2776f1ea54dfdaa4d1a511b
17. 0xf19d501fdbc28e10c3244253daf0c37c4752659eae14a7cba585a18c7df9ce0d
18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1