Evidence row 1757785

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": "2026-11-01T09:56:42.456919Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T09:56:42.456919Z",
        "updatedAt": "2026-11-01T09:56:42.456919Z"
      }
    },
    "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": "1.0.0",
      "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":"ac33543db8d1aa45f948b380731a09f0c194baac6026ccf835367851ee9305b2","id":1757785,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793528237774067,"prev":null,"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 2026-11-01 (302406 rows).

1. 0x8d8b2f1d60d5443815f30e2e72ccf36c96d3a84ff8dee370b720cdc3d095172c
2. 0xfc38dadccb193a663fe96de8c267421beadffb3f4be993e0dac963d5dba5bccf
3. 0xc0766f5f1e637fcee7b6b1ad0530554388ded00b6088b0d985295e83d3d6aee4
4. 0xc13cf2b685b290d8995ed49a2bbd097ad7fcffbc3c5d75c8521dd01aa759ce9d
5. 0x92c5ce5e66cfe8f64e8ff283739288446d8213ab2ba9a9482af2da0c4faef7e4
6. 0x9246de348977a582a3952824e1075c5d76ce186a616b7c15718d5d8149a350b5
7. 0x04a428ca7e04e19f860c59c16590930c70bf45cd1d5cea018316bc31c48cca2b
8. 0xd8a21dcf5fca4506a1f0f4854e39b1bcc8457fcf1913daec4b3895659b7de17b
9. 0x866585ca656af889d8bbe5fb0ebd0c087e0a5138365974dab9c308ea1ad77466
10. 0x17ecc7466623f37f6a363e2f28f39a3340ff9b8bbc218753fe1ff5e012cb78aa
11. 0x591aea021f7cf8b6c9f92a3c371a7c64cdf7150c58a37b14b2626a676a919f49
12. 0x29d7a2a4df0d7fa79f3b537becdf01ca611b7c70fbde18f9fae82bb3e270cc73
13. 0x6129eb29b7f3727c333751ed672fa6e4b231f839ed64750b5d1005800847c8dd
14. 0x43a0d126875c656347b68ba3c0196959406aa8df8a7cd284fd2814ddd386322c
15. 0x23107b06227fe01d939429fa5248f5555093c421dfc6b8bc6ba3518a65263d17
16. 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90