Evidence row 451978

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": "2026-10-27T10:08:33.472Z",
    "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":"11099c4e51a9d481c133552f2a4cb43b55388e2995e45de6f2f4142d90578aca","id":451978,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100516863939,"prev":76195,"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 2026-10-27 (273461 rows).

1. 0xb4dab9297d050b887173c9b3d64a204cc666a708307b273e07bf7859957e240b
2. 0xaec654c289868d42f0020ccd7af7cbc0123281d1a88fc6e6b5c059f30b904d4d
3. 0x161aac7d6d57251066e436afab967c4e53a31f0044b0b2931f7c61703749fb4c
4. 0x8731914b26146afbe4a18129819eef97195dd1f31afbe52ab81fd8284fc94810
5. 0x7fd1df8546b728240e985b5e6f198de7cf5d99805f07f8236f3c93ff14de5c57
6. 0x0744e769908bf4ecebfa39a944a0c5871c09579f7b6ed620f4891db940223cdb
7. 0x62379c8b8b051e815cadad24eb5137d0198c9da60a1ff1ae5cdd192973638885
8. 0x3fb7bac6874e1d330840edc3421b49fc18750e000fa0a0dda67ac90b16f54ae3
9. 0x055f4373997cfb706a801eec60f7243fea19e750ae81a4398837a90f84f8b7f3
10. 0x5c298f36f36224a52e8970f40e1a99de6e3ca1be644b9bdf930b4e17aebfadda
11. 0x43473c302050eee376e0169659011f058a2eb8fc7d53a2ea0d1198e0f6d2a335
12. 0x305c0e886bebb6df8123db384ccd0d5bfc3ddf1de5fbf4edca0aea32f7e223a0
13. 0xf1104ea7df082465ff9df25ed29be80a0ac7c1c6b25c289b5d2e6ae5e6331952
14. 0x87cb8935612c40b569de008a9bf8218cd24a06f74a7364a1654613d972fe00ed
15. 0xec7bb68216a4deb1960acfbbd75da88f7e468b58adb9cf3ec62f2790e46508b3
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4