Evidence row 2726163

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": "2026-11-03T22:29:34.769122Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T22:29:34.769122Z",
        "updatedAt": "2026-11-03T22:29:34.769122Z"
      }
    },
    "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": "1.22.1",
      "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":"01226eced4f1c5072ce65fc34298d51301bb5510dfc3179fac9a0d80049df4b9","id":2726163,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793747990937204,"prev":2564309,"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 2026-11-03 (425475 rows).

1. 0x891b69a8460b61b0970cf7328633773aaed036921703d7db681e725c1801cf30
2. 0x416a07122007ee9c650ae613f0760cd9cbf3ad15d723a308a24d29e1496acb81
3. 0x97e796b6b25521c22a311cd52136886f08c45c00b6f6846dfcdbe46d8c66dfc8
4. 0x95cb08b8608fab3c015c52d067b3415daa8f118f2a2e61a371be4383aaa97065
5. 0x8a20f0745303eb235809f989ab86456750182f0ba053f1d3c06dc540c0da8a69
6. 0xa3d0daee05134d0337a2ce24e88d658f6da2f7a4ffdbd6740a8b86ae34bb9956
7. 0x9c950af615dedcf4be3a43028b826fa276a3a05b1685b4e7f92db15e71af2911
8. 0x288f7b413c73cd7efbf1d1e828baca4c54d439aadfa28b152f3b311f32089335
9. 0x2b3e771fc6c895b18b745d647a3dacd68ca0308bacf221f8080354386723d8e4
10. 0xcb9fd1b89f637f68cc7e87330acdae4a8eb123714e3a2885d627387ebcbd5890
11. 0x8ef0574986e6a7668eaf661d6c84e2b2580f4675aa4ed3d6e8e8db0f0ffe676e
12. 0x344740b8b895d018533c0dac6293c6a30ea11da13c6fe385357667909d6308cb
13. 0xf7c67c96024b4a69e763701d06d6e4b51458c1259af3b5d0a9d5873b55301b3a
14. 0x2c7b214378c568c43cd230b3af22d5b7530813ac1c6dd11bb8169f29d025bb3d
15. 0xd7fa57d9cb0ff551366a474cfe5dd932be199a84a12f0b57b253725627acf8dc
16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7