Evidence row 1255660

What was observed

{
  "endpoints": [
    [
      "web",
      "https://novasolver.jp/en/studio/"
    ]
  ],
  "name": "NovaSolver Studio",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-30T15:06:35.627775Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T15:06:35.627775Z",
        "updatedAt": "2026-10-30T15:06:35.627775Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Free desktop CAE: import CAD/STL, solve FEM structural/thermal and CFD, verify the answer.",
      "name": "io.github.novasolver/novasolver-studio",
      "packages": [
        {
          "fileSha256": "fe5f05bf4cad918ed223d17c0dd8754c2cc2f6c845e0f4cb215c8c99b5d6a186",
          "identifier": "https://github.com/novasolver/novasolver-studio/releases/download/v0.6.2/novasolver-studio-0.6.2-win64.mcpb",
          "registryType": "mcpb",
          "transport": {
            "type": "stdio"
          }
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/novasolver/novasolver-studio"
      },
      "title": "NovaSolver Studio",
      "version": "0.6.2",
      "websiteUrl": "https://novasolver.jp/en/studio/"
    }
  },
  "source": "mcp_registry",
  "summary": "Free desktop CAE: import CAD/STL, solve FEM structural/thermal and CFD, verify the answer."
}

What the leaf hashes

{"body":"b24ebc1720c7cf58dcdd30a9109b77fb580f7a08fc818ce24738e969852f5cec","id":1255660,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793373326339407,"prev":1014721,"subject":"mcp_registry:io.github.novasolver/novasolver-studio","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. 0x9686eb4a9288d9b4b4d2afedce8db6208c40d19423980e132f663874301759ef
2. 0xf131c0118c34bb5501edb5786b8c5f8e6255fa327d4b501f3a1195d0e4721a76
3. 0xb084f2ba50fd85136c740fdd70c6d938fc1ac1c160d0e054899ef0044112ac9c
4. 0xde3889bd3f61b9875d27fe46733c4f51b625a8ea423a126b5878ce534341bbac
5. 0x0a080dc87b5a79d535980474f10b4e659e2f27458d899048a1d90a8cd54fb6ee
6. 0xa51fcce53f4dbb3ad76655c1fdc8de1d0bcd79988fc38f2e0d35aa615853abf7
7. 0x83ac1344bc7973ca33196296f9c52c9b1f19001773135ede4fb97fa4fd711a9e
8. 0xb415c995751b3102a4afa5ea108c2f4f9e5c3621f9e28c6c59b3657e7be599c9
9. 0xb924c6e215283474a46c120d0dbe1397892c5f79c1977b511dce27c4180ac68c
10. 0xc7c0f06b45aa3b7d77b23816bc3ff95f6f478216cbc22cb79ef7dfe8a289e465
11. 0x8aa3e1f2722cd877d11225e31a12f181990ae112e97f00b79e378d52bc3bb5d9
12. 0xf9b7ea19cd8b9aaaf832b35ddb7bf2e52aeb54c6362fa951144219d07856c660
13. 0x7d1bf48d5d64dd078f722c5d54a57afd7c7264c947c587f6fbc3d1add4080eb7
14. 0x7db51cf84d41f2e07ef904fc1b6aeb666b2a2762de18ed12ac42d5938eb28dc2
15. 0xe722b5213af778d8f1621b8b0b61f957ac8d8bb43a780aed8989bfc357e5bc58
16. 0x835211170e79bdce1a823ec914e3532e128f77751e9074286da35091b0200284
17. 0x61ef83255d34604cb052882568ca1d1386ac3cfb8284509715bc1734cff77831
18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861