Evidence row 2044958

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/ietf-datatracker/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/ietf-datatracker"
    ]
  ],
  "name": "Ietf Datatracker",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-02T02:51:45.14939Z",
        "status": "active",
        "statusChangedAt": "2026-11-02T02:51:45.14939Z",
        "updatedAt": "2026-11-02T02:51:45.14939Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "IETF Datatracker MCP.",
      "name": "io.github.pipeworx-io/ietf-datatracker",
      "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-ietf-datatracker",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.1"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/ietf-datatracker/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-ietf-datatracker"
      },
      "title": "Ietf Datatracker",
      "version": "0.2.1",
      "websiteUrl": "https://pipeworx.io/packs/ietf-datatracker"
    }
  },
  "source": "mcp_registry",
  "summary": "IETF Datatracker MCP."
}

What the leaf hashes

{"body":"52f618ffb28db17fa3c7ce9eadfd57477bd90d7f329c49effed63e6acde5f503","id":2044958,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793589495387316,"prev":996850,"subject":"mcp_registry:io.github.pipeworx-io/ietf-datatracker","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x3dcd33066ad873d2e179361d7d2f6dd34200189357be531073c53576d5735601
2. 0xbfea948ae353bedfa50538d0de335e99467f31dab033956962fdfcffa6f14d4f
3. 0x299c5ae000dbc0f9b10862c95bc4b568791b7f426ae65b3c3bd8c13651cc81c7
4. 0xfbeab9f697aa488ae66482da9e6c902a673337afcdea21d66468d725f91e2fe3
5. 0x683baa7a9a940735ee7f2ca554c0fdb527457f53eaceed44021022d65b114d66
6. 0x513a2622e6de3561573f6072f0a73786a3bdcb5cb6dcc18f9e517363f843e922
7. 0x5c952a37152f93d43cdf645e1f8170148483a11132d59e9a4a65373112817825
8. 0xff5062290509d83a342581d035827c63b85b456c001c3a1ef25af31afdefcf39
9. 0xd0f070a5ab1647474cd20bb47bcdc662f99d49fb12435748a74c7847ec0cacfd
10. 0xa5bb22d30fc3fa463f92fbab27104c9aebd8fc49b2d1493b383e453316f07d96
11. 0x2be848cb86d72c2e582fe1d0a7c67c075a60e3819be24b46432581c3db979e93
12. 0xb1c944b99390ba5175965090f5362380c7485dc911c281e22b9c18263ec8c4ed
13. 0x361907c755dedca0a2adf05840c4c503b2c9a3af060e2659c8c63c2a1e438de2
14. 0x2205fefa1140121f3fe567e386a9612e8f7236f2a6b4c18d07e5fc4d08bd90e5
15. 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af