Evidence row 59521

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://www.chertov.org.ua/mcp"
    ],
    [
      "web",
      "https://www.chertov.org.ua/mcp-api"
    ]
  ],
  "name": "Chertov & Vorobyov physics problem solutions",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-08-31T10:18:53.837368Z",
        "status": "active",
        "statusChangedAt": "2026-08-31T10:18:53.837368Z",
        "updatedAt": "2026-08-31T10:18:53.837368Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read-only search and lookup over the Chertov & Vorobyov physics problem solutions (chertov.org.ua).",
      "name": "ua.org.chertov/chertov",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://www.chertov.org.ua/mcp"
        }
      ],
      "title": "Chertov & Vorobyov physics problem solutions",
      "version": "1.0.0",
      "websiteUrl": "https://www.chertov.org.ua/mcp-api"
    }
  },
  "source": "mcp_registry",
  "summary": "Read-only search and lookup over the Chertov & Vorobyov physics problem solutions (chertov.org.ua)."
}

What the leaf hashes

{"body":"7ae48a94e66173b6fef3b4c91e1e20ffb489909e3276feb07ebfb66d1b1d5f90","id":59521,"kind":"listing","method":"baseline/1","observed_us":1793025446985012,"prev":null,"subject":"mcp_registry:ua.org.chertov/chertov","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xffec8b2f9bc8ba624121046986e21b0afe793f3cd7606a361de74450615490b1
2. 0xae2604fd25a834152aac36831f0eb2b7434dbefc8b0f55682d44176d317c1c56
3. 0xaeac29986f128e31e8495b895b0baf26ac3d15efd304e51a314377be53efb609
4. 0x31ade8dfbccfe42c431310ca2453bd74b2822cc22cbe7010caeb1d3ceb55c9e8
5. 0x2bedd54eba35d57dcce627fb25c1814451a5f929b1f6e782da93b147abc79c9f
6. 0xad869b486b7675296be3b0df8737507f6c78563581d4d48a2850d15d02ada986
7. 0x15bc7cbc6112bee19e3eb506f7907c104175997bb9206ec70b1acb13ce89d470
8. 0x7771cb689eda4b828dfd1a1a0dd85050c37b504175b8b829ecba1f8f6239a75b
9. 0x30d89b61ad236029e9a9118345b845d924bffcf0bf31e1b1b9eaf6c2fdc129b4
10. 0xd3a4547616d40f6cf22a3f69647bc5fe7630b638881a5ae1ce088b336fd0e181
11. 0xbd264414f726ecec85a6b231446a7d5db56b5a61f8c3f471b7913d982daa291d
12. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae