Evidence row 1249866

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": "2026-10-30T12:20:53.448627Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T12:20:53.448627Z",
        "updatedAt": "2026-10-30T12:20:53.448627Z"
      }
    },
    "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": "1.29.1",
      "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":"c75d7e0f078c01d659c5ce17edf78bc0a468631086ac6e4039d63928335ce1a0","id":1249866,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793366123687445,"prev":1025902,"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 2026-10-30 (243099 rows).

1. 0xfef67953710dbe52d0dab149f4c909daccaba28c8ad49b1cd299af1c54bf696e
2. 0xfda2105ab2ff93ee17ce0513643d853c1e4f32ac7d8078d48d789fa1ee9630b9
3. 0x39f8f922b3c4d16c63234b1b7b8165c79a1827e54339375b20b592fa3d6f18d8
4. 0x33b2812743cac7754c03a32223e36d283c40619b2ed5f5de70037fcebe2e7537
5. 0xbb1297f0a42febd948876cd4223ba83c9db43dfd999e6ae098df30d4889eba73
6. 0x9251ee3eb23daa4caa076a5af77a48c3feae066c31666503335f7c744aa7a27a
7. 0xdb7447a297a38118682fd16b8c9e67a02668ecd5f20da805458869d1936ac50d
8. 0x0cd87c9d9c4e27a4b454e14c6ea5a0a54337d02233297c7aaacea6a50843e80b
9. 0xf74846b2ce9b60f26ff910e4bfa62a964a18583e4127458da013a9cf095b5110
10. 0x9f67b9bb36391fdbb317105f705f5610dbe5d7b178112756451fa518b7bceebe
11. 0x7fbe0a9a86cf7a8574c0e8099a6fb9e039474e711250cadd98656c5eb29f6377
12. 0x9e891c0939e88f6df0187ef432d5695f51efa5acb55c7d3c9842ae0c59a56230
13. 0x030ea611a04a437f2c80577f6ab0971a98e22d40a72366c4d176ac9c95399553
14. 0x70547116135ca2b169483009739d1d461bcb7d178c352479612fae712aca3f88
15. 0x71e74c274b23c9047354edb6dcd2c654415e3986b8bd875dae992996ea12e22b
16. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861