Evidence row 2726359

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://eventone.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/eventone/"
    ]
  ],
  "name": "eventOne MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-03T22:30:31.888423Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T22:30:31.888423Z",
        "updatedAt": "2026-11-03T22:30:31.888423Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read events, programmes, speakers, registration orders, tickets and attendance in eventOne.",
      "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/eventone",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://eventone.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/eventone",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "eventOne MCP by usefulapi",
      "version": "1.2.1",
      "websiteUrl": "https://usefulapi.io/eventone/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read events, programmes, speakers, registration orders, tickets and attendance in eventOne."
}

What the leaf hashes

{"body":"804ac184343b9d6957aba8ef6a56de1a7910203940b248ca2dbe0c9338594110","id":2726359,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793747991908320,"prev":2564505,"subject":"mcp_registry:io.usefulapi/eventone","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. 0xbb9fe42030f0bb6e5d4ff3ba2748efed087e52d02a489aaaa7b87f8320196a22
2. 0x8259c288571088342af257853c252a698b1cfcc7b4cd2443cda8c180dc321a79
3. 0xfae8c5acbedc0d6a049c88c4f0b954f8fbd07cd0f9820c041aac36e27618a217
4. 0xcafb955bd5f2c163c8370954d57438f3652ba6de649cc910ca3ead5a12f97937
5. 0xa752cb20bf48c97e9ed6ee7eef4e633683488c9462dc8bd8d1d16803dcaa2862
6. 0xe5870f044c6235a1f3ffedd66d4d43b588232a2f450f889bef2392dcdb90c5ae
7. 0xea755544eafdea2ad19e7bdc0b1d4496624e5c91841c03eb74852f5265f57c32
8. 0x52b1fc0b9580e5ab1273526a1d526b3049080b6fd2f1c5e6a554225faa0e67be
9. 0x6fcb39316e3d4441f9b386cf6782ea28da1f7eb236c0d55d2e139fb8b37aa0db
10. 0x1cca64dc0611d97571a3c13e38aa929f0abc4f4b53711f9de1d0d910b608cd13
11. 0x8334409da700754b124c202679c755deae26ce38699f8fb42d0331e02cd3721c
12. 0x7ce601fc96d647ce2463507747a850bd2b37655c54170e4e68ac13eab78c269c
13. 0x4b0168dc3cf75706d02e85e816aabcf4a2cbb6cd44a0eea1377f703048a10500
14. 0xe48dd050d36f1a75a7d005677c3e962435e7b5ad246de637e9e1fc9be7665b0a
15. 0xfeca812d56a4bb476433459149c92fcd8a270bdbf2bbbce1949fb4bf7848f5ed
16. 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7