Evidence row 506103

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": "2026-10-27T14:56:05.625485Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T14:56:05.625485Z",
        "updatedAt": "2026-10-27T14:56:05.625485Z"
      }
    },
    "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": "e6acc6ca783c1e0e41485c1bf400bbc36d2a092ded1da0b84aa183bf6e9adee9",
          "identifier": "https://github.com/novasolver/novasolver-studio/releases/download/v0.2.2/novasolver-studio-0.2.2-win64.mcpb",
          "registryType": "mcpb",
          "transport": {
            "type": "stdio"
          }
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/novasolver/novasolver-studio"
      },
      "title": "NovaSolver Studio",
      "version": "0.2.2",
      "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":"c8c1a66c644f23594c3965e93a920efe8257c25308640c3e439c32a6ece8ff40","id":506103,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793114943080262,"prev":44906,"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. 0x4d45bf68f698729d675fcf9771280e47785cbba36caa9420fe55c0ae5389358b
2. 0xe7f9732f51b10c0bd6107cd1633e1cd07fbc52f45f7f453d1633e4ffd3417d6a
3. 0x710810fa6b518157f8b8783cf418feb33d70721c148d261f4946cded358f3bc4
4. 0xce355383d8ea9364bb83faa975de216aa997d474ce3013386ffe1bb0ae10b774
5. 0xdd454a7ee3c4dacf9c7f88f83f87c2e3ca9c31b78f7698a5b1df010a5812ffcd
6. 0x3bfba34e4612e12e3505b1cb1c5d81d0604a877ce4646f379ee1e52852011660
7. 0x159b1542419da8b0f0537722f8c8f4b0ed574f22fbee8a23cdfc9b6d5953c5d5
8. 0xde3b7019f8e7f367576abf20cd73bb683875eef754bf130988847101f39c345c
9. 0x3811164146559bfa0686efbe968aa5d5632791b5e52940b748f9faae3d9675e5
10. 0x9305fa39c0bfbf15674949ab145ca0a40479400bedc3333826053de29a32e9ef
11. 0x699e1831216ceb5d0324397f8f4f58989765f950328c8adcbcb3a202d688993c
12. 0xf9b21ec258212225fc012a1ed6399d0ec608e930f4423d2badb8be79550861ef
13. 0x797da99476c7ebaa971607ae725e5e240b79de9e49d28859b94de107c850aaab
14. 0x9ea0c6a53f80a30b6f13671109f98a000cf98e581875129f4be4b57131d06364
15. 0xb78ea6a255dd06e2f402a1a733bca392fa6243920bcba95e8b80bdfc6ce5f553
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4