Evidence row 3957962

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": "2026-11-07T18:05:00.003343Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T18:05:00.003343Z",
        "updatedAt": "2026-11-07T18:05:00.003343Z"
      }
    },
    "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": "1.3.4",
      "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":"5cd12e39a78f283ee45334d0ef7b465b63cb72766f917eb13b0337b54bc8c16a","id":3957962,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794075897174389,"prev":3945109,"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 2026-11-07 (195826 rows).

1. 0x013dc2fab4a64fad54e559222853f6f618fe845382768610d1a6e6533e3c6638
2. 0x57889059fbeb527a28e47a3e854d55d507a4510fe8702d88cffa540e52371b6c
3. 0xcea754ffe153eaa522a2a57e3036c7988abbd79df857760fe3601d6ad2d93f97
4. 0x59fbeba61ed66bb7df27a06f78f7e1224759fb7051f54517bc81fa9b6bc62605
5. 0xa9fc01670a64ade45c4226d1fe5f0e9613ec47f761aaf496d869b63c8f935d87
6. 0xa3c00f1df938d6c06eeb2857802887ab28bd510ec0ebfecb65d23c688020276e
7. 0x0e0eb9b0ff0f3e7f8844b964b2feb6d40372b5620b2996b0f4b31d9aa07d888a
8. 0x32c8f6bebd1640277ab3726723415929a27fe21807ff0befb29c3b7d590f626c
9. 0x43666dcf89f138132f79d122128b9421a5da269f3c8df54a69254f890aadc492
10. 0x9a57b80f5103185e24ceb0ceceb5391d0ff23b4e9dfcf585ff3d653cf96a02e5
11. 0x8508d5366e79520a90f451cffe3979e341614c5351c5e3d4e9ac784b575cdbca
12. 0x1a54f97a9530e16161b43d0b7c38c428a49b3575ec95bb906f139d2446f4dffa
13. 0x80de52ad007e81cbaa504c53c1020b78094abfb0907b1d97798e852ce43dedf9
14. 0x144e6f529cb7231bff37cd4bad2e3530f3ad930f9de9c48c0f73680bc7f17d30
15. 0x648a3baa51de8aa55066ecdaef86a2d63e9b16b533148da0c58eba70048b858f
16. 0x80bdd907e4cabf074c5e8d919e88abbc805de47d0c5c142e281a67157f82926f
17. 0x54292a94f447f1fd33c01b5c99da465043f11022958626a2ea562c457fef697a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa