Evidence row 997042

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": "2026-10-29T05:02:26.324494Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T05:02:26.324494Z",
        "updatedAt": "2026-10-29T05:02:26.324494Z"
      }
    },
    "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": "0.2.0"
        }
      ],
      "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": "0.2.0",
      "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":"1e6a678378a8020f2ecf2de1109923ce832adf9784bd8ca1ba67734abeea826e","id":997042,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793250769938038,"prev":738818,"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 2026-10-29 (242798 rows).

1. 0x5a8a3cd21ebe8cc2b01124f74605321362dc3964cfcf1c4bf55ad36d3b5362c3
2. 0x1e2c894a5580d6a9ff8cf7b6d9e824c1819bfb766afe645475f4e35e0435b6a4
3. 0x397239f60fb1ff2f7d87ebc56e45c9fd32834af0c96ba7670eaf332307f3a6e5
4. 0x02a1c12fc69033b1ea993271720651d70d50ba833c1f6cb35986c502cb1963a1
5. 0xb51cab0e545aa5b8d54180faf061c490a90a471ac9cf0d77c67113b7381b6a13
6. 0x52338d7443508cc69d1f7792bcea9650623271e2e093c42981a50dfc75dda09c
7. 0x9df4c7a051eaa58b55d3d9e261081252dd46926b5062e67ae9cfeff66edf1c97
8. 0x17c869728b45e7013c28f805aee6a16ac24d3c348487e4f09601adbd99c5fd78
9. 0x4fd76a4dff621a2259e8b29e4627cb68886f54d39e66a12bd69f40e35cd586e7
10. 0xf4dd1814759f5c1c5e35f7dcf0e0d1449171f0c152d3dc245b1b9dd7fb8c31a1
11. 0x45412c2234175c08c3416fbd0332d25e5c7814562eaaf5a03dc968692df37ecc
12. 0xaca2827ceb7a020d6076d4bf8f0677d908cc7fe256f58fe05f971454b5135358
13. 0x34dd147bac70c6755002a9d526d654450453697846f79e7a029427d97b88fc9b
14. 0x3f2650fbc651fa3eec11adb4b123cd97e6e8054668be9e574fb88fd72c05303d
15. 0x5c72917224317e5d0d7a0d4ada19337530fcd8b513d6fc46866876f7844efe17
16. 0x976395aaca1b771b7e37710dee4157412909d2398c44e306a2e1e3fe83b984fd
17. 0x91f12a2db1e2c1be07cbe4de3981a37a33051a36d3c3eee5a260804add6d1d75
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1