Evidence row 29413

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://mcp.dev-match.xyz/mcp"
    ],
    [
      "web",
      "https://dev-match.xyz/"
    ]
  ],
  "name": "DevMatch",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-15T18:40:36.799767Z",
        "status": "active",
        "statusChangedAt": "2026-10-15T18:40:36.799767Z",
        "updatedAt": "2026-10-15T18:40:36.799767Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "_meta": {
        "io.modelcontextprotocol.registry/publisher-provided": {
          "documentation": "https://dev-match.xyz/docs/mcp",
          "examples": [
            "Find robotics autonomy engineers who maintain open source ROS 2 packages.",
            "Paste a repository README and ask who builds work like it.",
            "Find a scientist who has published on a stated problem."
          ],
          "keywords": [
            "engineer search",
            "scientist search",
            "researcher search",
            "talent sourcing",
            "public work",
            "open source",
            "papers",
            "patents",
            "deeptech",
            "hardtech",
            "mcp",
            "claude-code",
            "cursor"
          ],
          "publisher": "DevMatch"
        }
      },
      "description": "Find engineers and scientists from papers, open source and patents. Each result links its sources.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "128x128"
          ],
          "src": "https://dev-match.xyz/icon.svg"
        }
      ],
      "name": "io.github.Luca-Blight/devmatch",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://mcp.dev-match.xyz/mcp"
        }
      ],
      "title": "DevMatch",
      "version": "0.2.4",
      "websiteUrl": "https://dev-match.xyz"
    }
  },
  "source": "mcp_registry",
  "summary": "Find engineers and scientists from papers, open source and patents. Each result links its sources."
}

What the leaf hashes

{"body":"7bd044e591714de118477d6a4ad70b6367f95d17eb4b8fe37c93cd78dc18b0b2","id":29413,"kind":"listing","method":"baseline/1","observed_us":1793025361086124,"prev":null,"subject":"mcp_registry:io.github.Luca-Blight/devmatch","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. 0x7e3d572d4129c3818e87a4110f87fa15283b7af159687ae748a7ea30262ac41c
2. 0xf3bceaaefcc98062e1300a0e8895cf707fed15719917228f375a5c0c1fae82e9
3. 0x8369938f52982fcdf99cfb53a3c309977dc45631b7cdaaa9b1ee4f184e8d27fc
4. 0x5dcf84cff47ed83dbb18b54a8272189e113f2abd30e06ac09ba723e0dbd240cd
5. 0x75016e7d017612020a61f73f9e6d9d839a9dd8a1d61c9f694a881121b5819f93
6. 0x7dafea3b69e963b38d937fa647a84e99f3dc45a018c18d3b984a665e7cd9c42a
7. 0x550c09b94029c01d2c04474f00886fdae63ce662b77928d7470fc079b08df748
8. 0x8a1ca1d62fddb69e155a2ff7e858660354e32f1f917fb6b3c6fd5ff45ac1ebc6
9. 0x7d6ff8d99565f9f3d177151c94c94ffb5c789a5608dacd07ddde5b20f0151c26
10. 0x2718d6dca57166b1f1fa238e8a139e4cdbab7b7485a09970fff985d3b3878bfd
11. 0xaf10e841089e5989890dc77ffce42a46564d25ef15f30d1e35bf53a495483ad4
12. 0xab729e4203b650f2a3c15efd6fd44eb2482232373bc1de662fd9d496869eb2d3
13. 0x0bffb634300aa5609bddaa79e8d31d7cde36c0a5a4465472f809b9f5287e40d2
14. 0x7721d38652b6444b18e1193824e50490ade04851ce6221771f6e374c4527d80f
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae