Evidence row 22907

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": "2026-10-23T08:09:40.545125Z",
        "status": "active",
        "statusChangedAt": "2026-10-23T08:09:40.545125Z",
        "updatedAt": "2026-10-23T08:09:40.545125Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read-only catalog of 1,500+ 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": "1.5.1",
      "websiteUrl": "https://kitrank.dev/mcp.html"
    }
  },
  "source": "mcp_registry",
  "summary": "Read-only catalog of 1,500+ real, sourced AI agent use cases with tools, cost and setup prompts."
}

What the leaf hashes

{"body":"ef882fb4af577641a19462fcc170fdfb0085a2caa4aec597da9908b545ce97c4","id":22907,"kind":"listing","method":"baseline/1","observed_us":1793025349994733,"prev":null,"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 2026-10-26 (296695 rows).

1. 0xb828aa12ea7e2b8d7ce41af0016472b800a3cd705f4aa90ce961846e2c905a3a
2. 0x880f8674535d66ef1a2004502196c97d7e8cb33ec9a8f013ce1eb3d1fab53921
3. 0x2fc16462ed641c4122e3ec197ea68d137c14b4c9f31f7bf56623e2870081f1b8
4. 0xf311bc3191da12406c913b0886b251b54aeedd25628f069e226fa9b96338eeb7
5. 0x57c25fd20f640625b1399dc9bfb4b195b12a026df04bb57c871d4b75262e094b
6. 0x900a63a3f394ae33a96a00c9d51d468e9e13b1e2eadf38ae641ff075a30afda1
7. 0xf06c4feea415100a7efa64cb9327cb4650a79be18e426fb26697b3fb4cdbc20e
8. 0x14c97314f754fd27e1da1df129853cbca0263d67fd452588aab956ab84c371db
9. 0x09d6e24a08f8a4a1e005e5e1422d6f851fb62c9664eb29fa77589b2b49fdcf6f
10. 0x305a3f47b3689c4a43df7d5c5f208a0395fe7436d6b4555db7943094d45d61a1
11. 0x930671b38b693880d085315beda88a1c227f3639e9a0e0be6b0665bb173a65db
12. 0xb6efd79902cac6d5a402ebecb8069402f00961ab80cd71b4d647fbc686d975ec
13. 0x2f43fe2b2533a5f40c107c114e458e226102f5f8ae91f097e964345880e30928
14. 0xf692ce2b0a640ec9f75aa960e5fb1c2c7091a04e24881798735752c19014e519
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae