Evidence row 495495

What was observed

{
  "endpoints": [
    [
      "web",
      "https://mcp.taminyaran.com/"
    ],
    [
      "mcp",
      "https://mcp.taminyaran.com/mcp"
    ]
  ],
  "name": "Taminyaran Engineering MCP",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T13:51:13.378589Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T13:51:13.378589Z",
        "updatedAt": "2026-10-27T13:51:13.378589Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "_meta": {
        "io.modelcontextprotocol.registry/publisher-provided": {
          "canonicalWebsite": "https://www.taminyaran.com/",
          "dataVersion": "TY-MCP-P0.4.1-2026-10-27",
          "domains": [
            "pond",
            "foundation",
            "drainage",
            "tunnel"
          ],
          "mode": "public-read-only",
          "safety": "Engineering constraints precede sales preference; missing critical inputs are not silently guessed.",
          "vendor": "Taminyaran"
        }
      },
      "description": "Engineering MCP for geosynthetics, waterproofing, drainage, ponds, foundations and tunnels.",
      "name": "io.github.saeedfaai/taminyaran-engineering",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://mcp.taminyaran.com/mcp"
        }
      ],
      "title": "Taminyaran Engineering MCP",
      "version": "0.4.1",
      "websiteUrl": "https://mcp.taminyaran.com/"
    }
  },
  "source": "mcp_registry",
  "summary": "Engineering MCP for geosynthetics, waterproofing, drainage, ponds, foundations and tunnels."
}

What the leaf hashes

{"body":"4325bbf535685cf4c830768e4fb163479037024400f905d862fec7f883465aed","id":495495,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793111341715751,"prev":null,"subject":"mcp_registry:io.github.saeedfaai/taminyaran-engineering","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. 0xd240f0cff094f56cd42b2d7e03c5a7e0417f9c8098fcb53d4c24a2390fd55739
2. 0xabb6ef51782a1aec7124f8f8ea6b3e8042c5c57fb200dd76d0700ea835adb135
3. 0x8129ad1351667521cd4ce791f947cb73c13b7da52dc4ba2b7960dcf2a7349d78
4. 0xb59565f4e4ae3f9fde54ec55df9ab82fb39fac79908bb5cae318288a76378b92
5. 0xd7aa34cccd1c541dd7e10b97d1edca467b76944815fef2308c678303731c523f
6. 0x53f2012c4fece2fb86e4846b8ff0ed4c444cd64fe67136c34d736233d9ff596c
7. 0xcb44668ab7f5b541456ad9976316cfbe9f37968508b487157b36d3fd8ac12d4a
8. 0x4def38090d0ff2bb590f44cfceb83301726342b4829819f53f0b183975c8ba14
9. 0xd543725d8c54258de2d5097dfdc1f4a825897fc63c8b4d12ac1933020845f3d1
10. 0x63fab591f55ad00bc0e680f7d7ae749a4bf51899db148b9197a165bd355e1eb9
11. 0x621d4dbcfb70ab294046951fe2837a8b39f75c67fac3f911dfa479f7fb2b5b53
12. 0x171aeb7198e4c29bd794c75ee3b02f70c21f3caa4365d2b304c00b891f1bbc94
13. 0xc66f83a1320fe7c1faf22674eeeb7fae22ecd2f0b102d9619a484291f2ce104a
14. 0x8f676edfb4faaa290229d8f4f69ab721fc627424463d62f5146b3d1ca7f2f0c6
15. 0x969cd44e5a4e8dc3110540398fbf689659eb51df735c1cda5d8f021ef9ff5683
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4