Evidence row 40420

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://skilldb.dev/api/mcp/catalog"
    ],
    [
      "web",
      "https://skilldb.dev/mcp"
    ]
  ],
  "name": "SkillDB Catalog",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-05T20:03:37.47534Z",
        "status": "active",
        "statusChangedAt": "2026-10-05T20:03:37.47534Z",
        "updatedAt": "2026-10-05T20:03:37.47534Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "_meta": {
        "io.modelcontextprotocol.registry/publisher-provided": {
          "dev.skilldb": {
            "adapterRepository": "https://github.com/latentsmurf/skilldb-plugins",
            "authentication": "none",
            "privacyPolicyUrl": "https://skilldb.dev/privacy",
            "scope": "Two read-only tools search public metadata and retrieve short, incomplete previews. No complete skill instructions, installation, private account access, or writes.",
            "status": "development-preview",
            "supportUrl": "https://skilldb.dev/support",
            "termsOfServiceUrl": "https://skilldb.dev/terms",
            "tools": [
              "skilldb_search",
              "skilldb_get_preview"
            ]
          }
        }
      },
      "description": "Find AI agent skills: public previews and source links. Read-only discovery; no account required.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://skilldb.dev/logo/skilldb-logo-square-512.png"
        }
      ],
      "name": "io.github.latentsmurf/skilldb-catalog",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://skilldb.dev/api/mcp/catalog"
        }
      ],
      "title": "SkillDB Catalog",
      "version": "0.1.0",
      "websiteUrl": "https://skilldb.dev/mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "Find AI agent skills: public previews and source links. Read-only discovery; no account required."
}

What the leaf hashes

{"body":"faacfdeab65d7bcfbd2998e4b19f7acefbcc18c2a065230174cca7165e8e0f2f","id":40420,"kind":"listing","method":"baseline/1","observed_us":1793025397322009,"prev":null,"subject":"mcp_registry:io.github.latentsmurf/skilldb-catalog","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. 0xcc8b7b2100f35b3dde1872ee018f63db59eec32f16747d4d0552ed58134ffaaf
2. 0x5a565db7bbca916019fc78a155dd8795a76bcb799d0d9fcfee534b6e07ad9191
3. 0x282b90d088fe7a0f6b1759130da9f8ea75dea8e7f0114f02712924b2fe2cc3ba
4. 0x6fdcf7bf0dee09b642274671c3cf529a5d0a12ccd558fe5425bb81cba14c410d
5. 0x2517302f01b5ba3e5fa3e59a84d9507c342176ef6e20fdb12765248888d0dfea
6. 0x3986012baf7c96603b1f7461d4f94c59ed1c37daefe9b87a43f9ad146453c282
7. 0x9608b66f996a8fcd202aa0a034d47b471fea112166d7cbc6d7dda608f9781308
8. 0x6add0cf7cbdfd44aaf2ace61f10fe3bfab6cf7fa8107ef2c97df1c78b8249f43
9. 0xfc3876014eeb0407e235aa7f84651b18e9179595c390039b7078e713fe61f5a3
10. 0xb437fa812774620037e8b846ce859d02f5f899d75fbb675ae7d40e553edaffd4
11. 0x1233e806ac6f264fea872a85785df4b3024b89e9788bb6dfa89e28944cb30400
12. 0x85ea84dc356483b05e7ec8ed6e303988684070a1512dc756c8e64a7e3604feaf
13. 0x985acd37cc044d5aa6ad959194da8e91c81045df83517891ed92f1763a9ab825
14. 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae