Evidence row 1039024

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://handelskalender-api.pages.dev/v1/trading-day"
    ]
  ],
  "name": "Exchange Trading Calendar",
  "owner_address": "0x896babcda513322af2218fe7346353846835f978",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x896baBcda513322AF2218fe7346353846835f978",
        "scheme": "exact"
      }
    ],
    "description": "Use when an agent needs to know if a stock exchange trades on a given day (default today) before scheduling orders, reports or alerts. 28 exchanges incl. NYSE, Nasdaq, LSE, Xetra, Euronext, SIX, Tokyo, HKEX, Shanghai, ASX. Returns holiday name, hours in local time + UTC, half days, lunch breaks, pre/after-market (Nasdaq, Xetra), live status, next open/close, previous/next trading day. Official exchange calendars only; bad input: HTTP 400, no charge.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "date": "2026-10-26",
              "exchange": "XWBO"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "coverage": {
                "from": "2026-01-01",
                "to": "2027-12-31"
              },
              "date": "2026-10-26",
              "exchange": {
                "country": "AT",
                "mic": "XWBO",
                "name": "Wiener Börse (Vienna Stock Exchange)",
                "timezone": "Europe/Vienna"
              },
              "extended": null,
              "holiday": "Nationalfeiertag",
              "hoursKnown": true,
              "hoursNote": null,
              "isOpenNow": null,
              "isTradingDay": false,
              "localTime": null,
              "nextClose": null,
              "nextOpen": null,
              "nextTradingDay": "2026-10-27",
              "note": null,
              "previousTradingDay": "2026-10-23",
              "reason": "holiday",
              "session": null,
              "sources": [
                "https://www.wienerborse.at/uploads/u/cms/files/handel/boersenfeiertage-2026-de.pdf"
              ],
              "status": null,
              "weekday": "Monday"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "date": {
                      "description": "Day as YYYY-MM-DD. Optional, default: today in the exchange's time zone.",
                      "type": "string"
                    },
                    "exchange": {
                      "description": "Exchange MIC code, e.g. XNYS (NYSE), XNAS (Nasdaq), XLON (London), XETR (Xetra), XPAR (Paris), XTKS (Tokyo), XHKG (Hong Kong). Common names also work (NYSE, Xetra, LSE). Free list: GET /v1/exchanges.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "exchange"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-28T22:56:14.832Z",
    "quality": {
      "l30DaysTotalCalls": 11,
      "l30DaysUniquePayers": 7,
      "lastCalledAt": "2026-10-28T22:56:14.483Z"
    },
    "resource": "https://handelskalender-api.pages.dev/v1/trading-day",
    "serviceName": "Exchange Trading Calendar",
    "tags": [
      "stock-exchange",
      "trading-calendar",
      "market-hours",
      "holidays",
      "nyse"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Use when an agent needs to know if a stock exchange trades on a given day (default today) before scheduling orders, reports or alerts. 28 exchanges incl. NYSE, Nasdaq, LSE, Xetra, Euronext, SIX, Tokyo, HKEX, Shanghai, ASX. Returns holiday name, hours in local time + UTC, half days, lunch breaks, pre/after-market (Nasdaq, Xetra), live status, next open/close, previous/next trading day. Official exchange calendars only; bad input: HTTP 400, no charge."
}

What the leaf hashes

{"body":"173921c830fc69b419972a3c32d2371ec9b6d059e2455443de9199176b844d18","id":1039024,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298277759537,"prev":526911,"subject":"x402_bazaar:https://handelskalender-api.pages.dev/v1/trading-day","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0xf7b256749c3e6fae899922965000cda12cc8ff198e2c7636d9220fd8385d4f05
2. 0x01b435d601e399ca8c0599e87434f21ab9a5861e70d0ebae21d9626a22e0aa9b
3. 0x0761da4259d65675ba4ebb908292bc8e180af5b6de9988851f51847cca52907e
4. 0x5c7dccb980f26de452f996d6d5e727f8a5607abc23f5fca791737590efc3766d
5. 0x65dbcd6ea195bf6beb740c73d5e529c882f8e6281cf3a502fa785bad73d35713
6. 0x48c84986e24881830568ae6ce327ba13295c8647ce525cdd3c3c36d0297882e5
7. 0x640e4784c05bf35dcd6dbb44f35914a15fce4617375b4638b7caebe170f11adc
8. 0xef3c1c71b666d1af24ab176c7a51009bf99e81d53a4f5c4b918518f2aae9716c
9. 0x2e3be9ec677a827e23c0eed34ca20e102b4c93a986e8456de696b9a7070fe00f
10. 0xf4b16b677b6d34d4593aefbf57d699bc71e5e362382beb7047feabba10ef9d96
11. 0x5b855e2ebec2d778bafe8a5326ed7bfd0c6a3e9c7614db7c6a6ef6d3f7f0a176
12. 0xaf721851474686140542d61472c93bfca1d951e6b0add6fc91a02d8c6ff1d8cc
13. 0xa692280fe21039882d68ea89ab3cede099743aeaa4bda6812798278201af19f0
14. 0xc7119ea806f683838e5f48055d7f1b7fded1f500c6064dabeb8b9a36bba8932f
15. 0x1dd763930a8023065a24b676469b4f26d92a89cfe71226ced9df379f43ec0f0a
16. 0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02
17. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1