Evidence row 800991

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": "2026-10-28T20:04:53.273898Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T20:04:53.273898Z",
        "updatedAt": "2026-10-28T20:04:53.273898Z"
      }
    },
    "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": "1.27.0",
      "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":"d97e29fd3c008a1d80bb68b3bc9bf60f2b9087e685e3a3f4b01f6a9cee2cdf08","id":800991,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793218353215825,"prev":795971,"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 2026-10-28 (231336 rows).

1. 0x559fce7d529f4758929d21f16280517b63c0a456430604d3617585b4d91f1aea
2. 0x0eba18943661690b22c3a961f2160dbd4395522736b80d1255ab46d458a8b77e
3. 0xebb5f8162aa37a2bda6b0215c8d0bf527843253c8c96ecc82cc8481904118234
4. 0xe831833f058f5913bac5c6ad9567fd7ba9527066843441c24aeff4cffdabaa78
5. 0xe7160f313ad774538868b0dc8bc21f5a782f3da54bd946b7a1dcef873ea554de
6. 0x0c573d90ca68e5fc06ac465944f4ab5c0ef85c0d9ceec0750145916ce44759ac
7. 0x95a9c8e630213844a0f3bec9b1ee425e5085a3e182bf089ae3136af25089ba68
8. 0xbdf69fd2c17e9d952ebb5e0f2bd0fd9917749042dd1a2241889102b55196f197
9. 0x58941b1cc23a44fe2f3686ce80da98a7c2e4794f0267a48cfac2347a2747c736
10. 0x725675dd11f8817b1ba346c38fd9baab0728ec3d6228e14c3e6b422fe97d53a4
11. 0xe7f558495ac371ba409515af5643d73b55bdc51af778d888374b8bb272613771
12. 0xf4e720164412fb39884a52a2634039db2a11376ce8f394eb8a98eec16df68553
13. 0x7d1829083dbabe39994f2d5687f99b5933bed73cd0300562b3af1bb8f3d94388
14. 0x4a3671cf60fc2b873faa04c5863043b075336ef59080ef23af50811e899402d0
15. 0xd12637e9c035a4c3a66d0f0436dfc7bf3f13da4d17ea045b647d9e9beef1ef11
16. 0xa99a40fe210d675bb6ab72d4bb72ab40eb44ac345773c457fbe58e67a47b03df
17. 0x7a743a0a09057bae687051274e1d45bf973bd36a1a4ba16a191b5d29e3bdfa2a
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae