Evidence row 3958431

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": "2026-11-07T18:03:30.426801Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T18:03:30.426801Z",
        "updatedAt": "2026-11-07T18:03:30.426801Z"
      }
    },
    "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": "1.36.4",
      "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":"2ddad69f0f8b237bb339756213f58d6ad38db789fd0c5ac0150054b95a6c03ca","id":3958431,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794075909895257,"prev":3945591,"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. 0xfff7adca22ca4ee2260627a97168e066fcb8fc291b4275b6b854df5a31f25b62
2. 0x0cb732673029ee500bff6db10acf11e63d292b3000255ba81ae2ae0f3ddb007a
3. 0xdb5e1c6718fb41a6fe5b9626a4d029cb7debd45b143d17490a3a77f6e22ba860
4. 0xfedd44e38c75f2014703d86dcd86c6a2753537fb03dd595764d1476710b1943a
5. 0x77b3ca0b3426b64e17886ccd9275cf57dd24cbd195335b5ae4e522531827ecd5
6. 0x92316be39397f58d2a67c8a259182135b1b3c53ed2deac35f2ea5a75b7529ebe
7. 0x32559581fec1787e481076e01342666a650f734be8ab2cd567d80487de5eb50a
8. 0xdd77c47f072b6ec9074b36b5ef66ebc0233314960a18ce52170e493dca40ff34
9. 0x3de768bc701dfb6722b7ffbf3abe285368ae6c9bb17b6f17aba464f2ead42235
10. 0xda25430c2f3d69379bd02ba67d3fbdcd81dc411b23353fc04cff24decbd35a41
11. 0x9b2f897a7c7df5caf571ae836357f1a799a3231d5d70ab0cda89db6e4f10d727
12. 0x2f1bda65dd8929924c1dad6e9e29ab36a1b8cb4eed65c97434b87bf8d5cca017
13. 0xb6dc07358d0932b83c713d4c82df6764849db6e58ee1c7cbc06d03f381a6b36b
14. 0xbb3be27e5da5ccad91ce4674c6eac53275c0832f3885b89533d2be65d38f2fc6
15. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa