Evidence row 3987214

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://tito.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/tito/"
    ]
  ],
  "name": "Tito MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-07T21:54:28.125934Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T21:54:28.125934Z",
        "updatedAt": "2026-11-07T21:54:28.125934Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Look up events, releases, tickets, registrations and discount codes, and edit tickets and codes.",
      "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/tito",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://tito.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/tito",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Tito MCP by usefulapi",
      "version": "1.36.5",
      "websiteUrl": "https://usefulapi.io/tito/"
    }
  },
  "source": "mcp_registry",
  "summary": "Look up events, releases, tickets, registrations and discount codes, and edit tickets and codes."
}

What the leaf hashes

{"body":"c51a09ffb10563718dfde77d7aefbbecef6c3c3d21747cdc958dcb40afdace6d","id":3987214,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794090328660033,"prev":3958431,"subject":"mcp_registry:io.usefulapi/tito","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. 0x88c7481853d3275f5e5fc296b75d675b09e4dbe79470e07385a3c9e77e5d9918
2. 0x370e166c8393e588d2b32f1cfbd800ac60e7b92ae5c0219d04b903386a51af72
3. 0xa0d5841aaa4c349c65ce4aeaef9eaee553972c5d2b1a159953f47d2680648475
4. 0xe91b36344e2822ff2f2096a88b3ec63958ec71f066593191cb5ab661ab1c5b95
5. 0x9153542283edd8a91404e65013347ed9eb489dd96a2540a6b1fd0d30d235c684
6. 0x4d5d82a3e920036ac3d38290b4996d126fde3eeaf80c9bca32848b7c93ced82c
7. 0xdc762c75a4c3258b7ff1df3a83687fad1a8dae75febe296f96bf4ba502fa1bb1
8. 0x86c28de78dba98316c01f1da61e7db7dbf7a313788ef48cd174f3a2da489d0d8
9. 0x300633f2a2d015c9ff2307b60f39dce5112705f82685a6a55c69941a1be1d352
10. 0xa0acba81b43d072becf5ee7d00af1387438cb6dea40ae744682f654217518a29
11. 0x361638af2fd0ccf907db054262ed36e259f0545698dedfae6f2e94e24e8f43e5
12. 0x6029236289c3f232d8a52c70313dc9592ee92ad910140c5200de2b733046a006
13. 0xec49601319806ac4fb8864fe5b58c4d0e2904402b01d96fee8f1e2e36118c30f
14. 0x12c0a392774b845f910669768178b834bb75c37650d35b673c7a7e05ebd31c5b
15. 0xd41994358bb34b15f062df47abfbb736ac4887eb6ef21ce32a5d581e6ae47e6e
16. 0x39ddab61a3a1eeffcb2f54acf6ff87eaec375674f3e77f00c342826d4e1bf071
17. 0x3b69f6d98c91b21287021db092e52491474f0d08438393ac130d6a3c273bcd4a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa