Evidence row 1300806

What was observed

{
  "endpoints": [
    [
      "web",
      "https://github.com/ottonic/simulation-mcp-server"
    ]
  ],
  "name": "Ottosim — Simulation MCP Server",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-30T23:43:18.769995Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T23:43:18.769995Z",
        "updatedAt": "2026-10-30T23:43:18.769995Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Thermal, structural, modal, DC, and laminar-flow studies from STEP via Gmsh and Elmer.",
      "name": "io.github.ottonic/simulation-mcp-server",
      "packages": [
        {
          "identifier": "simulation-mcp-server",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.0"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/ottonic/simulation-mcp-server"
      },
      "title": "Ottosim — Simulation MCP Server",
      "version": "0.2.0",
      "websiteUrl": "https://github.com/ottonic/simulation-mcp-server#readme"
    }
  },
  "source": "mcp_registry",
  "summary": "Thermal, structural, modal, DC, and laminar-flow studies from STEP via Gmsh and Elmer."
}

What the leaf hashes

{"body":"b809070688aa36f7eb93083f4dfeaa89be186b136b29635ce989b48090ba6dc8","id":1300806,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793405743362738,"prev":null,"subject":"mcp_registry:io.github.ottonic/simulation-mcp-server","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0x0f49749d0f8f72b67abc4e3b5859a598ee794b3b3c9efcfd7ba727432650512b
2. 0x9484c855b3fd000496977c85e9a01053302b86a08af127ae668679c439874a68
3. 0x93dac150bb43b15f882f82e63b61fee38a2b8f6a3d058eb1e139644298df18d2
4. 0x94a1a3d218b19ae5c23d4b677c2c6ef280425ff4b96f999ed4be6cdb7bc8f6b4
5. 0x3a523030b36213e01e9f38901e86aaa48ec780c0ed4595e7bb8f13e73b211dea
6. 0x03f160f68aefcaf64fc6796596259507dd68a2fa410c235ca2429904f4358285
7. 0xda0a49038e61814cca5b72cf34500131a781d7920ecad611c23787b387ab9c16
8. 0x824826ddf5eef0a5e4607c82e073bd448739f3700faa13a02cab5f0e35767b29
9. 0x3e85b000ff2a862e4ab3fc6f5af94012100e3f065ff16bf5d3216df026c314e1
10. 0x270ac2574d6da0f920d9ee60c1aba0e9a1dd82e6caff22775410498d9c25f4f6
11. 0xbec0f05496095c4e0192fdb92223d941809f32261193c957af37f625fb9a15d3
12. 0x353b0e62243cf4740dc2ec1cbec4a19063bd5a1d9f654c5c0d568e8cf638ea7b
13. 0xcb2cb28a33039aae566babd0a0b4f4ee907393fb561a2e3c876f0270ee9a2350
14. 0x5f01ce2f7be13617b127cba8dfc54bc12d54dc74dbe1632c8104af22668fd4f3
15. 0x72fbe549c493739bb99e38209648de550f136f904e61b4f7609a937c2630a055
16. 0x2bca4aa3c59fe9209016c64bd8b706423477e3407201a00165afde9abf6fee2b
17. 0x37f13582abb3c002d51c2f190c312129cbc3a39754618fee2c75c2441bb1eb94
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0