Evidence row 21146

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://nexgendata-mcp-proxy.steve-corbeil.workers.dev/developer-tools-mcp-server/mcp"
    ],
    [
      "web",
      "https://apify.com/nexgendata/developer-tools-mcp-server"
    ]
  ],
  "name": "com.thenextgennexus/developer-tools-mcp-server",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-04-26T18:49:32.521489Z",
        "status": "active",
        "statusChangedAt": "2026-04-26T18:49:32.521489Z",
        "updatedAt": "2026-04-26T18:49:32.521489Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "_meta": {},
      "description": "Search GitHub, npm, PyPI, StackOverflow, ArXiv from one MCP — built for coding agents.",
      "name": "com.thenextgennexus/developer-tools-mcp-server",
      "remotes": [
        {
          "headers": [
            {
              "description": "Apify API token. Free tier at console.apify.com",
              "isRequired": true,
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://nexgendata-mcp-proxy.steve-corbeil.workers.dev/developer-tools-mcp-server/mcp"
        }
      ],
      "version": "1.0.0",
      "websiteUrl": "https://apify.com/nexgendata/developer-tools-mcp-server"
    }
  },
  "source": "mcp_registry",
  "summary": "Search GitHub, npm, PyPI, StackOverflow, ArXiv from one MCP — built for coding agents."
}

What the leaf hashes

{"body":"b5e4112c211f7da73f2384a234ae82350eb127f108d11a8a2eed7aa058ed67a3","id":21146,"kind":"listing","method":"baseline/1","observed_us":1793025339961313,"prev":null,"subject":"mcp_registry:com.thenextgennexus/developer-tools-mcp-server","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. 0xc9192a14b979316c7e61388720780c8757625acf490c0dd9baa748ec150204fa
2. 0xdda04b412b0be40dec7dff0fafa0ab28bea58f82132e46272d198ce600b6cff8
3. 0x0593662b5930749925a2a7dda0af6c52d418a78c8de439c5b2f38742b95fdb5c
4. 0xbb249bba3320b36d9d87d5dfd970e9627df99591b8c1f535e28b27a80dfb1e7f
5. 0x91648f966779ee8efce1acdf136b6a198685c6348d2b7f12e7b0de4eefad609d
6. 0x66f43e64ab718685bae0743316b297fc67ee15cb5c094e3c8501ca1c03c9c3f4
7. 0xb4576e166722dabbeb17ed04f20d141d469f02b62cd69d2eb6fd8e1a1a14af4d
8. 0xedf048a7129802fe6ff04c72cd970e679894951d81960b4725a4f19a7ae3df7f
9. 0xd1fc9ad5227f21ee916f082e331cad10f4f5affee6de03744f1c759d645076a6
10. 0xaf49c58b07f643adc422bcd56cf09b773ac862513c92c8ec09dac6240a88a8cc
11. 0xde080106ffe5b9071b2505ae31b17f7da4d3a9c7f4f4d9819f700d720702beeb
12. 0xde09984239f27618a13932caf48f5d39831fc5021500b0581dce0dabd570bd6e
13. 0x72e35aac89ebca631656c2b1aecbdc094807d9807f12c22a6ddf35cc1f5e21d6
14. 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae