Evidence row 1053799

What was observed

{
  "endpoints": [
    [
      "web",
      "https://ca-business-calendar-mcp.donniertf.workers.dev/"
    ],
    [
      "mcp",
      "https://ca-business-calendar-mcp.donniertf.workers.dev/mcp"
    ]
  ],
  "name": "Canada Business Calendar MCP",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-29T21:09:11.213887Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T21:09:11.213887Z",
        "updatedAt": "2026-10-29T21:09:11.213887Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Canadian federal and provincial holidays, business-day maths and invoice due dates.",
      "name": "io.github.donniertf-hub/ca-business-calendar-mcp",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://ca-business-calendar-mcp.donniertf.workers.dev/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/donniertf-hub/uk-mcp-fleet"
      },
      "title": "Canada Business Calendar MCP",
      "version": "1.0.0",
      "websiteUrl": "https://ca-business-calendar-mcp.donniertf.workers.dev"
    }
  },
  "source": "mcp_registry",
  "summary": "Canadian federal and provincial holidays, business-day maths and invoice due dates."
}

What the leaf hashes

{"body":"dcbff34e81894bb35567296e03c10835201417f8e8cb3646a54f9cd16cf87057","id":1053799,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793312085628842,"prev":null,"subject":"mcp_registry:io.github.donniertf-hub/ca-business-calendar-mcp","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. 0xd0db25361dfa564e0bf324504a402d8f9ac01b5db74aaa34f5369c5e4865047d
2. 0x420be9c3ed72ab2f74e19b43b7c90745918e966a7f05c378bd121bfb51908cb2
3. 0x432ef318a3634d312b51854b30b1980fde9ebd30c033d06a003aecbe9b4b1860
4. 0x078b37c122f7d278bb95870534a72124c590b2d4d846ce124598fce4174c9043
5. 0x3be0db41dca524a709f9fb9082164e63b2e1a7ee125a01768b12bf0137c0076c
6. 0x0dc15f2631bd587640f312a30ed23c80ca68a71ec13ba4aecfbd030abd7e46f8
7. 0xd820a22f815bc91a856e92250c446603087817cea63f4228e7490a3de8ba16b7
8. 0x9e1c835dea63aa906783c677d9c22b86a777e1c3483fe4b095a93f234fd85eb5
9. 0x7c50f5790fb010db775290af76908856d684dadfd5842e63fb4812e72759139d
10. 0x84812c4863d0e3b3914ecc11e6fad49d5218673de18589f4a10b6912e806029c
11. 0xc97f9ca1690a256b5313a10010b4ea8484679d0abc57b41f3d92c8da489beb10
12. 0xd42c3cf08d79b560e8593d38317f3aa803bf452a29e5aef441985ce52af98494
13. 0xbf8fb9ae04cd855672b7933285af02945215feadfca3baf523311e54a3b873ab
14. 0xc5f320d911e4e74a5ef306d3473fe072ea90372c9b9d8902795503f6d18cc307
15. 0xa7d3fa0a08edea990614977b51a6b3289c357a88d8ca06dcbfe67415a017c0e7
16. 0xa034ebc8d117fbf1ed466b70baa0478bf213b743e1a41cba1d2da7a9f310184d
17. 0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1