Evidence row 76195

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": "2026-10-23T22:47:11.218Z",
    "quality": {
      "l30DaysTotalCalls": 9,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-23T22:47:10.818Z"
    },
    "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":"514020caf0a83349908b1b891473ff6af33f91a8475b2e488eac0de683272725","id":76195,"kind":"listing","method":"baseline/1","observed_us":1793025491765707,"prev":null,"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 2026-10-26 (296695 rows).

1. 0xcbc2cb09ea05d44916fa79a363ef9a54b6fd7934a75a0e94d05a7378e5709762
2. 0xadb3c91b735a2e69e7f7f6cff315ff24f3e51ad0e354cdb15554e057f0ca6c84
3. 0xe1dca52d0a533073c5f796caf2479344c5c7197fef0de160e7d063342e4039ff
4. 0xefb67690bb1cdcf197e3fdb4191ea7d59a9c3be6b66f895c789ee12722ea6845
5. 0x2846d8a4055858934a471ec3b254f32b3794431232cd31bdd19bb59222e1fac9
6. 0x73fbbe01c5db5ceecb9c3bcd139e3324cfd62efe2f99a46f4213f9b0186668c2
7. 0x2c63627479fd106827aff1225e0d91852d671da427820a41577784d7121d4588
8. 0x2873fc89d75dac950be4ef6afa546c798809c8b864e5f76953e00e6e43d67802
9. 0xa1aaf1bff245d569a6e32f2725be570a900d68fe26574430581b76f49f4ac0dc
10. 0x8ca2b941fcbeaadb786578b867358c39f7478187eb54fa39611f89a08c95f9ef
11. 0x351a777a477836c8c26972f993b4d53df3d67c6acea7cef50b5038df678d6a3f
12. 0x85ea84dc356483b05e7ec8ed6e303988684070a1512dc756c8e64a7e3604feaf
13. 0x985acd37cc044d5aa6ad959194da8e91c81045df83517891ed92f1763a9ab825
14. 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae