Evidence row 1053753

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://api-eu.checkflow.io/mcp"
    ],
    [
      "mcp",
      "https://api.checkflow.io/mcp"
    ],
    [
      "web",
      "https://docs.checkflow.io/docs/mcp/overview"
    ]
  ],
  "name": "CheckFlow",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-29T22:14:02.140753Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T22:14:02.140753Z",
        "updatedAt": "2026-10-29T22:14:02.140753Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Run checklists, complete tasks and build process templates in your CheckFlow workspace.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://checkflow.io/android-chrome-512x512.png"
        }
      ],
      "name": "io.checkflow/mcp",
      "remotes": [
        {
          "headers": [
            {
              "description": "Optional. Leave it out to sign in with your CheckFlow account (OAuth). Otherwise a CheckFlow API key for a workspace in the United States region, created by an Administrator on the API & Integrations tab of Team Management.",
              "isSecret": true,
              "name": "X-API-KEY"
            }
          ],
          "type": "streamable-http",
          "url": "https://api.checkflow.io/mcp"
        },
        {
          "headers": [
            {
              "description": "Optional. Leave it out to sign in with your CheckFlow account (OAuth). Otherwise a CheckFlow API key for a workspace in the Europe region, created by an Administrator on the API & Integrations tab of Team Management.",
              "isSecret": true,
              "name": "X-API-KEY"
            }
          ],
          "type": "streamable-http",
          "url": "https://api-eu.checkflow.io/mcp"
        }
      ],
      "repository": {
        "id": "1435000518",
        "source": "github",
        "url": "https://github.com/checkflowio/checkflow-mcp"
      },
      "title": "CheckFlow",
      "version": "3.0.0",
      "websiteUrl": "https://docs.checkflow.io/docs/mcp/overview"
    }
  },
  "source": "mcp_registry",
  "summary": "Run checklists, complete tasks and build process templates in your CheckFlow workspace."
}

What the leaf hashes

{"body":"67a7e272ccde1eec815a6909ead9e768cfda503813a422b4abf01b07b29b5c8b","id":1053753,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793312085532530,"prev":null,"subject":"mcp_registry:io.checkflow/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. 0x06f09ef57926502662b05ecf1c188ffca81eaf1cfc32aae4293b392e3cddec32
2. 0x914f2a4bbf5279fd96a736cbd4cb98560d6d1d88957739efac0397d1ea1e20fa
3. 0xbbccb3b6ec5b7b7386b350ed32458c373a167003a36144758befbab20b9e8d3b
4. 0xca5ed06fd88b6931609082485826853c4950d03445e9dbb5fd7fd0b3c950484e
5. 0xf5b1b2d398921bc91f48e231691850b6937ca4dba529df83dd2c3a338170223c
6. 0x3cab16b7aa9d4652669af463e15ae86c4b108f85fd9696949543d8bc25b17544
7. 0xa962b8c8ce3244dc987ca39064609de9b5c2e3aaaaaa15f2f6fd00fe628293d1
8. 0xae74f4d05b56cfbc098108299aae8ef3d229ba4f8ea25d907071d5f8f730d7e8
9. 0xe2d948ef58f7057d004d8ee96a286c64072272c6dd3285a49bca6cb6da784139
10. 0x0baaf17fb6a054993f917f6be39bbb11c1cfbcfe6a4692cfb169cf56dd61e353
11. 0xc7c56ed1221467259f2a3beef7a09fb6f9a231eeb3017175b836500024b6e0de
12. 0xca73bc1ff38e59fd532494f3e997bc3804d0cfc35c701248ad5704c0dee5799c
13. 0xf70713c5ae237d535074be6b275af68f87013bcbf94d32957a08fb04463d4c59
14. 0x7806c5d294aa520a3cdaf5e1d58181e6315b37856d332d91c3a1e53dff27254d
15. 0x0507b989510de89f78184f7a10d971f7670a579c54df7d291a2d72f034ae74d3
16. 0xa0a7723889a4c15b3e0bec353fa8dbcaec6c71cf35bb6c346415ad3e664df6a6
17. 0xd76435ead496863d8b0bfab3434f54cd11da3c49d104fc4064b9cb3381567bbd
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1