Evidence row 2130170

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": "2026-11-02T11:23:38.163086Z",
        "status": "active",
        "statusChangedAt": "2026-11-02T11:23:38.163086Z",
        "updatedAt": "2026-11-02T11:23:38.163086Z"
      }
    },
    "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": "1.1.0",
      "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":"23b4c0f795200060f842a26084a15331ea6895359e6bfd314c43b26e342a66a8","id":2130170,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793621909340245,"prev":1757785,"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 2026-11-02 (444186 rows).

1. 0x4aace5f9e3efea26fe4d08c1183a33efc9ae9ff538ba5d5c586c0862b8e0775f
2. 0x1ca547ded26a6eba521f93cf2daf874760263f1d085fe77cb63f5c30ecfaeb99
3. 0xe1e3a5961e72c96fe3a524737626f5c7bdf15671ef3ab2e8bbf88ea140601622
4. 0x1361d47864397337beaf511c02ac99fa56f39509c03ba8c108ffe3444b0486c8
5. 0x23f0d2a2d644363ce3006c478776a9bac2064a22fbf1a7fc73879da51b22a384
6. 0x4a08bdc66a04353fef95c9e27229f1a9a0ca0d3b95e09dbc25664fb9f893c68f
7. 0x47d3c1da019bf7b5a0112091e41d7ce6b23443ca758ffdd9c3abb5dfff43b3c4
8. 0xa4e7261baf05ef9ab0179c1ea325a3b6102e448ac9de61fa5b84947ceba2d507
9. 0xc9ce380d8b2b2e271cbeea5a54662518f97372b040f20a393b39bb32d43b7a70
10. 0x40a81db79d8a8f12896a32cfa57ccd2e0a1e86d5f5130b08e2eb389493b79c8d
11. 0xf16e12df21054354b1988db5a37e1fa0f47be3ed7efc71b621151fb1957d1e4d
12. 0x3b4b3d1662d175bef0331a8e093b2c1fad598947e07aab3c5c1843104097cf03
13. 0xec50fb8bdb629a8eec60882415de93b837c0015821049eeb6965a6cdd0d6c186
14. 0xdc58bc56b35577036d6185abcf0d4c91a45df10bd65f767505c1d43fcecde566
15. 0x3217f821997a6d778dcf0814a25b1296c55ab77710c675e7b15695d25a6ce67d
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af