Evidence row 2281496

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/itis/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/itis"
    ]
  ],
  "name": "Itis",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-02T20:51:48.053466Z",
        "status": "active",
        "statusChangedAt": "2026-11-02T20:51:48.053466Z",
        "updatedAt": "2026-11-02T20:51:48.053466Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "ITIS (Integrated Taxonomic Information System) MCP.",
      "name": "io.github.pipeworx-io/itis",
      "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-itis",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.1"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/itis/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-itis"
      },
      "title": "Itis",
      "version": "0.2.1",
      "websiteUrl": "https://pipeworx.io/packs/itis"
    }
  },
  "source": "mcp_registry",
  "summary": "ITIS (Integrated Taxonomic Information System) MCP."
}

What the leaf hashes

{"body":"c0eb2289047fe77e0b5b61e7e0a303e5cb53f8361c2ab0eb1f2c5cde03a90592","id":2281496,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793654328973650,"prev":996890,"subject":"mcp_registry:io.github.pipeworx-io/itis","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. 0xc5143675d017859017cac7250e2bca58b8aa0eab758c5bc465f2b74e17e89b43
2. 0xad513aa2fa71bfc0b3e7a8ebbde4e5351abac3e125e22948c001742bf8fb0afc
3. 0xffc238715a7794ab51528f2b8a40cca83a5a7ff3692c849391155378c30d0fd4
4. 0x3678a99be6cd4c62accfc47b4c3ad742a0b10d0cbc7b9a84d21186673f3302ff
5. 0xcd5c348196bfd6958d85911923bb43ebf3906b76df2d85650764e98c48ed14d0
6. 0x69bda393366d80ca749a94b72dfcc2dcdc7db408a8caedc2ceca0f9b9df90fed
7. 0x3e7ec825799aa6941e0ddac5bc35753517ec03cff11cb8ae7ab4d5b206f86d0a
8. 0x8988b67b9d50f626a469e78a8569334002fd20ca6270ce769ac0059dc39e6498
9. 0x5c6eae5f0d853b450f9c282c7535394dac1031f44074c36a18f96f260dacbd05
10. 0xa688d2dc9e2b296fcb5a6d5b1ab46f6f41503b93ac47f63f3f31ed2021be895a
11. 0x842f383cbb44caf166d2b21caf5381c244aa3e938a540c1b81d2052f2e5f8850
12. 0x7aa0065f9bcb7fcade26c7f3b9489f82eec110abf81d620f345f0a889dc13028
13. 0x61ee210f299fdcda2ea75817592c9621ccbd35e0e4358cb705a10dd284df07af
14. 0x0b45a0435ea40bcbc48c2b318e8c62aa48a7e6b10e52b4548ada394225a7bd9f
15. 0xcbfaf790331071a9b3499a4db6f9d951fe5d04baefda2c66846b52b023ab8ae5
16. 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af