Evidence row 2570863

What was observed

{
  "endpoints": [
    [
      "web",
      "https://developers.helpcenter.io/content/connect-an-ai-assistant-to-your-help-center"
    ],
    [
      "mcp",
      "https://mcp.helpcenter.io/agent"
    ]
  ],
  "name": "HelpCenter.io for agents",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-03T11:01:51.091804Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T11:01:51.091804Z",
        "updatedAt": "2026-11-03T11:01:51.091804Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Without an account, an AI agent can create or migrate a help center and hand its user a claim link.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://raw.githubusercontent.com/helpcenterio/helpcenter-io-plugin/main/assets/logo.png"
        }
      ],
      "name": "io.helpcenter/agent",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://mcp.helpcenter.io/agent"
        }
      ],
      "title": "HelpCenter.io for agents",
      "version": "2.5.1",
      "websiteUrl": "https://developers.helpcenter.io/content/connect-an-ai-assistant-to-your-help-center"
    }
  },
  "source": "mcp_registry",
  "summary": "Without an account, an AI agent can create or migrate a help center and hand its user a claim link."
}

What the leaf hashes

{"body":"4fd748d9eaa5cdda918fa5b8278874082e0aace7079db0d257bc18e96ad460db","id":2570863,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793704765774879,"prev":null,"subject":"mcp_registry:io.helpcenter/agent","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0xd0ed4a3d21494d543ed3d485d242a326d5f1f3ea9d015322d2430ea345f5e7b0
2. 0x9e52b77387cc8a8ab680f3caa721e1521997772f6ada4d8eedd7c030aa4a9682
3. 0xaff851c92a038ffa25111de4844f309f5fc764e33f428a03bf44282534b07b21
4. 0xb98cee33ba349153614c27b718cba152c57f44c017cbecbfb4eae72678c42dd5
5. 0xacfedfe743c51bf3f97886938d5f875bb7a9c2923f8a9ebadb6475f0f0c3ec86
6. 0x53498e4817ab5505b4ac930d50eceeeb7f7878856630386896b64225675287bd
7. 0x820039d2e48e662d15bc81d3ebd2e829d7002adb700b364e68121aeadb031477
8. 0x8065598e3f9d9b255124815e01daa72fa9930d5618c13421c469e3d9ae8240a2
9. 0x25cf66be7d58486e42244d278b835596f358c9eec69e2a018128598e8d9bb4bc
10. 0xd2784be50d278117e1f899a2f03461540c0fe7095fa351baa25d9efd3f2a7fd1
11. 0x5fa69d87f230e2cbc94825b0e80b5c9297135b56e4874109298ffa0e19065707
12. 0x03b83b58d35c8cf0df687b7f086e0255e4f6d15ec7ef28f2a98fde92204e8000
13. 0x655a255b432b6571b596dbb38f28af823ec1c4ce47c448d28375be5280b09300
14. 0x94b4711f52f98fdf3a85e64c6203d4ddef1de7bb28622e3dd8d8ecbb16081950
15. 0xc7478839685fed152a1d3420a50281ec80c2c7dad556230418f148fc7a02f71c
16. 0x59b3a6fae1c920f45b1445649e93c8c7d68f3f69789b0df88522cdb15a28590b
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7