Evidence row 3395923

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": "2026-11-05T11:42:41.74436Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T11:42:41.74436Z",
        "updatedAt": "2026-11-05T11:42:41.74436Z"
      }
    },
    "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": "1.2.2",
      "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":"cbf03d9366ec673af2004a89ac37b8b0dba77ac591b55e3bf17fb499726c1aaa","id":3395923,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793881288356031,"prev":2726359,"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 2026-11-05 (322504 rows).

1. 0x894b6552aa4cd54a79859aa80f0c05957ab7da833a71b0e262050903337c9d0d
2. 0x7007c10dc3cacaad65485eb397d47ee872c059a6432b97c99aceb43d9a4bd45e
3. 0x63c9625f4652089fae84b63d94d0be80a1025cdd13f5097b168c190c3e8f5192
4. 0x5d7cf0b5424d18e23226c4b92910e24d6ab54256863a3bedc2c6ec12ef4d396f
5. 0x3067aa78f98182a7350423c2fc483bac615dbaa3f8884754e9f5d7df8763bf43
6. 0x71933584960678d17ad7a730a5dc1aef0f1c1ff590c6419f2749e65bfefd8c39
7. 0x1aa1895c1da6f75fe1ea048cbc42029491f1cfaf2ef4db85a832ef12deb33a8d
8. 0xa393cee30c743197d3e1c3db68bdede1c4e58a5b356f18cdd0c15498a713e6b5
9. 0xee09713162afa94ab420d6cef3c36c8630e404da0044747fbf315b573c4d95b9
10. 0x99bfa75bf8609b0a3cc07e0e6ce98b2bdfda2bd784899489c587dc74c4858701
11. 0x1a5f8b944cf893db93dc148e30b35a545ac0e066fd63335a619495cc36a8446a
12. 0x7e8581639563b98aaa7081bcefbfd3cd60a397669f211d921b728e659e41dbf3
13. 0x3e9755642a246c284551c3b1f3b1218a5ae17ef8f2e97cf15758fe25ef2cfac6
14. 0xb09333620e45bd22d68e7eda9b4f6597d61b21df0d3c512813281cef1366dbc5
15. 0x1a1af412020b11baae1f58b16dc455a4c19a3c7ab9a1aeceb07083214f5a8b8e
16. 0x5c64b7138585466e7e8be72af6f3dc72c511db2c0c1dc5b6e34ad4e9456c2308
17. 0x7e5b4628b4269525ce0744fb873651b9d7be5748de44b7e6b858af09c7e30bd8
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94