Evidence row 581658

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": "2026-10-27T23:27:01.544757Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T23:27:01.544757Z",
        "updatedAt": "2026-10-27T23:27:01.544757Z"
      }
    },
    "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": "61e509bfc644b4d60053491c5cfedcdabbb9e2eda0460f30ce5cb3b942df77fd",
          "identifier": "https://github.com/novasolver/novasolver-studio/releases/download/v0.2.3/novasolver-studio-0.2.3-win64.mcpb",
          "registryType": "mcpb",
          "transport": {
            "type": "stdio"
          }
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/novasolver/novasolver-studio"
      },
      "title": "NovaSolver Studio",
      "version": "0.2.3",
      "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":"f43135bfc804b94e4a267d5ad2435c98c556d58b0535ad56b9343fdb15c6f206","id":581658,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793144466799860,"prev":506103,"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 2026-10-27 (273461 rows).

1. 0x32134fe6dbc52c64cd56674ae15cd96167c25183dc4592704cb6df348ccdca40
2. 0x2d29462a066f2fed84c123caceb93cba98e89f8d3975f8ebbbeb3b2ea5f57537
3. 0xecba2a7872245cd2bfaa276f38ff5ac79814331459c3070eaf149fb1660fce32
4. 0x0b73330b1550e48cb55afdff76a1857e58c6eb41acbf34fef37fd9eeaaa222a0
5. 0x8d8db28dd8473bac3f856dedc7c98d2e787bc556bf09877f8e46be1dcf2396bd
6. 0x6e8e9845f451fb03fede52bd51c083a3437c1e35fce463492560175a424cd4c6
7. 0x742014cec6ccbb6d901ea33e058411b1e81df3d437c2d5b9ab903167c652ca53
8. 0xf11bf15ffdb3974183ad3b75ed2f7bf8cbe8387230472c0e930b7139f2f502e5
9. 0x49447d1bb617d08f8da9c13d0eea3ab26c41b719127e3032d68f2458363838a2
10. 0x83d953f01a4ca1206a6c4fcab82498f35797b247e9e2a9cbc69301a28b0d5a14
11. 0x79330365613fdfbe8e674b3cdf2ba31a58f362f89c6748d0e9fa16c1a967d01e
12. 0xc1b7c34b53a9fe9ca442a6957dc84259e1950987b7271aef733cbdcf0322901e
13. 0x2a25cd9926d8f2ef4726fd2a80f77b1ca202b6c3ca56aeb2f520555c93efd434
14. 0x595de2dea3b8fa56dbd6142dd78ae79f3e7169c631e41a844b100613abb3e430
15. 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4