Evidence row 3395722

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://addevent.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/addevent/"
    ]
  ],
  "name": "AddEvent MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-05T11:41:24.987326Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T11:41:24.987326Z",
        "updatedAt": "2026-11-05T11:41:24.987326Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read AddEvent calendars, events, RSVPs and subscribers; create and update calendars and events.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://usefulapi.io/icon.svg"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "256x256"
          ],
          "src": "https://usefulapi.io/icon-256.png"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://usefulapi.io/icon-512.png"
        }
      ],
      "name": "io.usefulapi/addevent",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://addevent.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/addevent",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "AddEvent MCP by usefulapi",
      "version": "1.22.2",
      "websiteUrl": "https://usefulapi.io/addevent/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read AddEvent calendars, events, RSVPs and subscribers; create and update calendars and events."
}

What the leaf hashes

{"body":"9cb5d64a66d152a024e32422331c5fce877ef5595b5c0434e328cf60a473fbec","id":3395722,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793881286934883,"prev":2726163,"subject":"mcp_registry:io.usefulapi/addevent","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0x500212c4ecb776a5b687d72829fc19a813ebb5e1300140fbe4cbe101c67e156b
2. 0x92a659da0b721fcb2a3fc447bbe6e2aa27c2da5a5dc1cc870a6b7595cbcfec12
3. 0xfd4ec383fd48876a8a5a375ea5ab5363ccc8a2d04c5f1c9927a951b88908694e
4. 0xdfdd8c2c5712d2650fa4fe0cfb94f61bdc80c1178a47ba3214f1ab05d3f1038e
5. 0x24e3d08a180b0a28ba48a7dcb2215fdd8bb0613e75701cf11bce9013ce1dd54c
6. 0x4075d4f9eeb2e496420a40bbd6f150baa8c960822b5a53682364ce20b649e2d3
7. 0x28b1f0ffef75ba309e8e733f35460c1aa8b5aa3cd95bc52d6410452983de79d6
8. 0xaed65170c7f5f632c3d99c8bf439acc628049e905df21ceb2447b1d106c75665
9. 0x35069036815aadf2fd69f1d98466e60d8aacd850de97c6839f52f459e5b057e8
10. 0x0e4c01e545cef816a37657450aab16fbaabde2918a778ada2fb468b094641934
11. 0x97a5455adbd506a2940aafcdc53a01d98300eeec2e6f2e1db262eb6ab11dbdf2
12. 0xecee8cd55a1f86a7440ad87a3b2750e27220c815119c3d0c2970eaeb8ac18f87
13. 0x03b39ba719c6d276d526d857bd297af4ddfd2904a2d8185558a05e92a2f3175e
14. 0xc7c9a02b10652443317f29964cb3f80c8edb43f84b67644463046121ae250d1c
15. 0x20ca3add72ff47f6497449b7ee3adf1c6f2cdbedf8b5a49a56da543bf096a5fe
16. 0x01716548fb56e8e74ac29a1a638626afc662ed7e187bafcf089344de82365b83
17. 0xddde0b0de5219c91c717b03cab5216193dc0f26fb006aa8ba17020a71dbd997a
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94