Evidence row 1287897

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://kitrank.dev/api/mcp"
    ],
    [
      "web",
      "https://kitrank.dev/mcp.html"
    ]
  ],
  "name": "KitRank use cases",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-30T20:08:34.595261Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T20:08:34.595261Z",
        "updatedAt": "2026-10-30T20:08:34.595261Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read-only catalog of 1,900+ real, sourced AI agent use cases with tools, cost and setup prompts.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "src": "https://kitrank.dev/favicon.svg"
        }
      ],
      "name": "dev.kitrank/kitrank",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://kitrank.dev/api/mcp"
        }
      ],
      "title": "KitRank use cases",
      "version": "1.6.0",
      "websiteUrl": "https://kitrank.dev/mcp.html"
    }
  },
  "source": "mcp_registry",
  "summary": "Read-only catalog of 1,900+ real, sourced AI agent use cases with tools, cost and setup prompts."
}

What the leaf hashes

{"body":"3a416d7c5ff5966f1d28d2d659a0780b1dd3eaf19184b92ad9ecc4ffb2766bba","id":1287897,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793391338157846,"prev":22907,"subject":"mcp_registry:dev.kitrank/kitrank","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. 0xe3ed973162784d23e92be42f07bc80f7d417381cbb0bd49634398c438f7908d0
2. 0x2481bf80589a38725cb6d1c43e2c78af28a67b8ece98d6314e711b3c6c7310a3
3. 0x0cff8167ef86ac2a863720dbc96cf91e591be851711dc4309b86b8b110821a99
4. 0x8b3d8ca2f59cf46234b92eb50dfed6b44dd53b51ecbecbe181e5371cca6ba620
5. 0x037b7228d980c478b4bc6951170d402e322a1ebf01e10edb0bd86e83bd348a9b
6. 0x7f0d07b6159b3c7d6a999c690d35cd02626a9b038223d6eb03cedddd45e91cc1
7. 0x38e5ddd944736754616d653c77788bb2d2e3c3f7fbf1d9b6ebe07e7f89a055be
8. 0x147ae58d650b2abda02820e0d181de02614a05d64150d6eb0375906bb489b0bd
9. 0x3699c3312eff3b90c039b9436c3bd5853596e2c62a0f444f6c59ebf5cabbc423
10. 0xb4e81975c4d811ec06004d50db03443db8742078ee52f31b509c07a120c568bf
11. 0x78350f81e25168b675146fea0ea7dd034f4994e12d8e196862e7092f13ec0a93
12. 0x29d78c08f0f7705f8a1cebe8b65a9bc2be71cf8d471fab735b33a8720bcdf0cb
13. 0xc1648b63331523f1ffba0502dc2754123aa7191c2d0b487849b227a545fbee34
14. 0x3a7a0fa82cbf8d3f1546fc6f89c9a5f35e025db7170b70e3f2dcd72b4ebb0f8e
15. 0xea7df1002501052c124b5aed2b1a5df3d59be54394c6a8539c86fad1df339a9e
16. 0xfbe61dc2d59668ac573e5eab865747e21d38bf2fe4c64762beef01f1018a4dea
17. 0x71e74c274b23c9047354edb6dcd2c654415e3986b8bd875dae992996ea12e22b
18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861