Evidence row 1053801

What was observed

{
  "endpoints": [
    [
      "web",
      "https://ca-clinical-trials-mcp.donniertf.workers.dev/"
    ],
    [
      "mcp",
      "https://ca-clinical-trials-mcp.donniertf.workers.dev/mcp"
    ]
  ],
  "name": "Canada Clinical Trials MCP",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-29T21:09:19.313262Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T21:09:19.313262Z",
        "updatedAt": "2026-10-29T21:09:19.313262Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Clinical trials authorised by Health Canada.",
      "name": "io.github.donniertf-hub/ca-clinical-trials-mcp",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://ca-clinical-trials-mcp.donniertf.workers.dev/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/donniertf-hub/uk-mcp-fleet"
      },
      "title": "Canada Clinical Trials MCP",
      "version": "1.0.0",
      "websiteUrl": "https://ca-clinical-trials-mcp.donniertf.workers.dev"
    }
  },
  "source": "mcp_registry",
  "summary": "Clinical trials authorised by Health Canada."
}

What the leaf hashes

{"body":"bf67e3901e448b5313b9981861600cc51fb570a1d47981b73a27814644b66175","id":1053801,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793312085632749,"prev":null,"subject":"mcp_registry:io.github.donniertf-hub/ca-clinical-trials-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. 0xd7ec1a417323c4b5f9049e3803239a47c7c80e519f2fdc38f821ac24d3c5a790
2. 0x797208a9fda52eb515c867b42a0c7fb0c24cad0263a54be2675246e5c6371ec4
3. 0x740844258cc052fb860010b580b4c7120c850315526d2b9e716850a89ec8f45d
4. 0x4d3b0bf1e28ee2f3f3998a7482bf4f2b9933a14d87185ef8ec7561fd1778794c
5. 0xc5587ec6c4032575859d7b0d2d6d9adff8746092a7182234e214149961dfaf1c
6. 0x42b5918fe6f0164b38d2f3ddddf35e664ff41b4ca19b4242205da90e15bfe236
7. 0xb5f11af8e00c4ca372f7fd3da61aae4cf6dd48755f2623a32a9c0ddae617a75f
8. 0x2c371e7a5bd4e7f9e0151b611e281633a16f30c0274bef30876da04172937296
9. 0x0e76f084e4a1e030761d4b2bc77a7581cb4e6afe827b01d4d7744c00d70ced86
10. 0xf3aaea49540992d1a6dbb355de7b881888f1424931fdb56c44b075f2a8ba4d8f
11. 0x98f7652c8def6c19e15f5eb687763f60bdf5f58697719b0a4ad7a305d503045d
12. 0x3733d7c697359c00475e755c4c6b73ba0c090f0cdd072407c97973821fdf2fb3
13. 0xfe28e9e98d6dfa695fe78aeee74c827cd30eb7ca9245a239277f9fb4e1ff47a1
14. 0xc5f320d911e4e74a5ef306d3473fe072ea90372c9b9d8902795503f6d18cc307
15. 0xa7d3fa0a08edea990614977b51a6b3289c357a88d8ca06dcbfe67415a017c0e7
16. 0xa034ebc8d117fbf1ed466b70baa0478bf213b743e1a41cba1d2da7a9f310184d
17. 0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1