Evidence row 2299798

What was observed

{
  "endpoints": [
    [
      "web",
      "https://developers.helpcenter.io/content/connect-an-ai-assistant-to-your-help-center"
    ],
    [
      "mcp",
      "https://mcp.helpcenter.io/"
    ]
  ],
  "name": "HelpCenter.io",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-02T22:29:40.799423Z",
        "status": "active",
        "statusChangedAt": "2026-11-02T22:29:40.799423Z",
        "updatedAt": "2026-11-02T22:29:40.799423Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Write, organize, design and migrate a HelpCenter.io help center: articles, categories, template.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://raw.githubusercontent.com/helpcenterio/helpcenter-io-plugin/main/assets/logo.png"
        }
      ],
      "name": "io.helpcenter/authoring",
      "remotes": [
        {
          "headers": [
            {
              "description": "Optional: 'Bearer ' and a HelpCenter.io API key. Leave it out to sign in with OAuth, which the server's 401 starts.",
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://mcp.helpcenter.io"
        }
      ],
      "title": "HelpCenter.io",
      "version": "2.5.1",
      "websiteUrl": "https://developers.helpcenter.io/content/connect-an-ai-assistant-to-your-help-center"
    }
  },
  "source": "mcp_registry",
  "summary": "Write, organize, design and migrate a HelpCenter.io help center: articles, categories, template."
}

What the leaf hashes

{"body":"16b82a24709c75931c1da81575620b8e45c37210663c1f683df63af9f22d37ba","id":2299798,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793661533081299,"prev":null,"subject":"mcp_registry:io.helpcenter/authoring","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x8fb808db60f06b622fe7cce953ef3437af96c7bad5e485d3388ce1664fa91090
2. 0x0a69b0b70a274309147e28d41d44fc26c7249ef8dacb888f3b6c7d0607dcfcb6
3. 0xdeb7fa571b77b6dc3e515fcc6577fef972be6d061901cabce932cf000b146350
4. 0xd1bb81fcc049aad9d4735e73925b8d3e257632edc4b522a30a81abaf82ba6086
5. 0x9446e592ef7987a53fa3c6bd85d1f32a232b3c83aa678e5c232d2d2199c21d85
6. 0x521137d198a1e323948d055aa9b13e05788303c034515f35f19c31b9a00103aa
7. 0x8aa4eb69b5dcb1d23f748377a42c418081a7eca04fb7217997973f8e2103ac04
8. 0x52ee133330d50bb7f6c90660ee1397297a13e1792d25315f33ab38dae57fc29e
9. 0x7b9bc6af8424dee91ab4c6d35d3d4e0aec6a2ed2378a0c705f6a2a7c2c3dd3d3
10. 0x4581847376a9e3358e523151c07cc8a7360327975d4c28d55a3af473d1619b96
11. 0xc08191ff13ffd4ce882a8ca7667b2daeb3c9a33e44d61227acbbc63a39c40e26
12. 0x0a1171d423b8986d66fcb09b500ee0cce0433114096ff8bca257f6b3431db17f
13. 0x8e26ae8a6fa3c6baea1cd4108668ed189b835a519376f35f53b7ea9cc4800a95
14. 0x3f15e4f2fd3ab4091e7284edf8bfed23163b8ef6b0c8fdbd458a498a9bb35a32
15. 0x5d92631d189bd0292c27a05f85a5ec38ec5f4197dfe4660eb991dc6a511e25a6
16. 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af