Evidence row 3775129

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": "2026-11-06T20:27:13.858187Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T20:27:13.858187Z",
        "updatedAt": "2026-11-06T20:27:13.858187Z"
      }
    },
    "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": "1.3.2",
      "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":"83cc1e39b09d0f803c92d67d3377948538ebd4c6f26e97c0f0a345f9198d2a37","id":3775129,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794000215510871,"prev":3764735,"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 2026-11-06 (303443 rows).

1. 0x3112c81a695edaa9ce41b0873982461d99131b4c744d3ac808b937ceb795353f
2. 0x10c0585a5e609ae8343df315e6bdd4e1c350b371aa7f294e14c1794d204f1d17
3. 0x862a22458b7c4d95f9cf39a2f9659ae5bf62b2f4f68b3f97f0fe7011840c609d
4. 0x1ed5fca58f2678e7f5efdd22393e00ec094c4cbd560257f8cda75c192f163369
5. 0x86753651b6c521f4fd2f2c60645c95fcee3b0de72407d8095b1735b2712a942c
6. 0x07c54582776fd016baa7eee69caa03031e28d1d8eb81cb3cdeb4bc839f6f4218
7. 0x112b9edb7349335bd53909019a2c98be712c395f7158cc78595bfd61dbc0b1d3
8. 0xa5a5d82258c66bbb115fc7941e340147df332984ccded946bc877392427b7272
9. 0x451bee0b866f7fffce46c39e6609466f3ff79ea487f6f0c696fd4b6acdd3bf96
10. 0x9ce8a0a0fc1d4533329f665985df29a0e8edc5288a229aac022ecc75f23b3fc9
11. 0x1a7b9a87ccce23acb493c58117a14010d1bb18d827f5f2da798f733f0d32f502
12. 0xd6e6c256a761db71c644b60285f4add4858b535251e2a1510414aaa18d3471e5
13. 0xcbceab499525f5fa93cba6d29a309e0c0ff18cfe7f3b17fe0ae96beb8d87cc28
14. 0xe7e7f0ee694b712db7150c3f1692ed383efbc9783ba8600081ffac0da359b4ef
15. 0xaa85d31529f47e1b810e9dfd8bfa6050b99090fde56ac1fa1fb399ad1e6bb919
16. 0x0aaf291a2ffa2205e7df7531bf36800e377dfbd67208da05b97625f1cc49ce02
17. 0xa448dc698494f795f2240c0e7070e8a93eb263baee21ca4185a7d03432a614d8
18. 0x119743aadcddb571b28b442b62196d4a0afc4e1c9979c2d477d34fcc9413deaf
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1