Evidence row 54190

What was observed

{
  "endpoints": [
    [
      "web",
      "https://u9401066.github.io/pubmed-search-mcp/"
    ]
  ],
  "name": "PubMed Search",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-20T09:57:29.284473Z",
        "status": "active",
        "statusChangedAt": "2026-10-20T09:57:29.284473Z",
        "updatedAt": "2026-10-20T09:57:29.284473Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Multi-source biomedical literature search: PubMed, Europe PMC, OpenAlex, full text, citations",
      "name": "io.github.u9401066/pubmed-search-mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Contact email sent to NCBI E-utilities; defaults to git user.email",
              "format": "string",
              "name": "NCBI_EMAIL"
            },
            {
              "description": "Optional NCBI API key that raises the E-utilities limit from 3 to 10 requests per second",
              "format": "string",
              "isSecret": true,
              "name": "NCBI_API_KEY"
            }
          ],
          "identifier": "pubmed-search-mcp",
          "registryBaseUrl": "https://pypi.org",
          "registryType": "pypi",
          "runtimeHint": "uvx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.8.0"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/u9401066/pubmed-search-mcp"
      },
      "title": "PubMed Search",
      "version": "0.8.0",
      "websiteUrl": "https://u9401066.github.io/pubmed-search-mcp/"
    }
  },
  "source": "mcp_registry",
  "summary": "Multi-source biomedical literature search: PubMed, Europe PMC, OpenAlex, full text, citations"
}

What the leaf hashes

{"body":"f20ecef7f9b4bef6e33f65ba1759933a4946e1c5cec10b049cb4237f44d82777","id":54190,"kind":"listing","method":"baseline/1","observed_us":1793025424999061,"prev":null,"subject":"mcp_registry:io.github.u9401066/pubmed-search-mcp","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. 0x267c76e4777d1c078225dde00608984a641545e23d42ed55e608111e363ae0dd
2. 0xcba8c9502c1e279de56034085cb10f700dd5308b77f8cc603057f25ce6f1ee13
3. 0x28086c83fe130b3b48ff3813114dbd5dccc95fb561a5f7ca5fd17b5946facf89
4. 0x34b682cf6a266e9e603e48c138cbd1383d41bb6812b727b20eae6611680c96e2
5. 0xbf2e895b56b76b9cf881bc4a23c1b03f3b88b48d9b93967ec021c61543e4f900
6. 0x4fa7174d325795f5de78d73bca47a53fa3b149e8f3ca0bba7eda22971a07adb0
7. 0x9bb8d640a6290862a37715a7db79d0023afe711af37a232b138d8bb2cc3dca51
8. 0x094c1236c2d73f01dddff874632b4812f47ac4cf4a5bdf4087a876d21e859dfd
9. 0xc5c0cf0835e347e2f1f81965f356ae4752119ceaac46cca8f91c05e94c8cb200
10. 0x1dad1edcb2a79dd2d06559e438975ccfdf5ae3c94d461c1d78f86118f235991b
11. 0x90f2b3a28efa276421488834f526df2e5769ef8f14ee569439eea7b97f77a866
12. 0x266d991b0a994042474d2789bd5d3ba2433a122ae3c1027e2ccd7c0f4cf63071
13. 0x830b2c874449c7499489eba2baa67d49f991298225763c0161b471621038d0fb
14. 0xd843afcced75dedd39194ff9bd12326b88099e6112686db2299392d022dc3146
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae