Evidence row 2505005

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/nci-evs/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/nci-evs"
    ]
  ],
  "name": "Nci Evs",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-03T02:07:55.003456Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T02:07:55.003456Z",
        "updatedAt": "2026-11-03T02:07:55.003456Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "NCI Thesaurus concepts and the other cancer-research vocabularies served by NCI Enterprise…",
      "name": "io.github.pipeworx-io/nci-evs",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Optional Pipeworx API key. Without it calls are anonymous and capped daily; a free key raises the cap.",
              "isSecret": true,
              "name": "PIPEWORX_API_KEY"
            }
          ],
          "identifier": "@pipeworx/mcp-nci-evs",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.1"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/nci-evs/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-nci-evs"
      },
      "title": "Nci Evs",
      "version": "0.2.1",
      "websiteUrl": "https://pipeworx.io/packs/nci-evs"
    }
  },
  "source": "mcp_registry",
  "summary": "NCI Thesaurus concepts and the other cancer-research vocabularies served by NCI Enterprise…"
}

What the leaf hashes

{"body":"0dc68947e16f1677a019b09daecd84542f5a71a01c1cbd6fb4af0ebe3581567c","id":2505005,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793672337328856,"prev":997042,"subject":"mcp_registry:io.github.pipeworx-io/nci-evs","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x8441d1fe10e41d58cf96f04655ce1d565b29d9beb8c7399c5e1bddb4b702e1dc
2. 0x86783fd674aec57b9d93d97ce679eecc6f96a8386d3a490eb19d0aaacf54ddbf
3. 0x25cb47635b2e9e28df62be1c5f8c1c1cdf4f5ccc5c47f22f96b514661d9a53d2
4. 0x3e2dce546e0d881b7f405d0dd9f56f6d012e4366ee749daba105fc27110edf9c
5. 0xb8b5698dd1233608f89317a237d7a30318059fd09afcb1806c41586b51c11307
6. 0x95a525b66261c99402b67830f4a774e7c6095a1fa19a2fa6bc33d1d205282202
7. 0xa5993d0cede8565334ef6d05589bdeb4b85811f4793756021fb9915ecd7a717c
8. 0x5b92d99368c0e70f24c4a13839a74e98585e856869b0f7284e1b3fec161d0f60
9. 0xbc5934ba83b26b4a9ac30f49a88788d8fed2196908a859d1b30aeda1a8fb63d0
10. 0x786246fe9796a2761ea2b4aea6d31f79b5c9bf15e3637c3135fc95c1855a6035
11. 0x87b4c4a561e0be7eac269963dd5f05a4bd061b6711d5b8b6aaf745b144fd742f
12. 0x5af57549afdc2a7e441674bc679508a1abfa5e7e9f02bd519feb4e488340ac38
13. 0x4c1bb7805c28c99914212233f31f3f9b3d39ed6d0209166fbe8eb2e894fc9168
14. 0xbee84d3e599fe34053b7031286879fa3c8cfb9cc2a5d0992b542033701205b5a
15. 0xd7fa57d9cb0ff551366a474cfe5dd932be199a84a12f0b57b253725627acf8dc
16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7