Evidence row 996894

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/jecfa/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/jecfa"
    ]
  ],
  "name": "Jecfa",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-29T04:25:09.159723Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T04:25:09.159723Z",
        "updatedAt": "2026-10-29T04:25:09.159723Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "JECFA (Joint FAO/WHO Expert Committee on Food Additives) — safety evaluations, Acceptable Daily…",
      "name": "io.github.pipeworx-io/jecfa",
      "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-jecfa",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.0"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/jecfa/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-jecfa"
      },
      "title": "Jecfa",
      "version": "0.2.0",
      "websiteUrl": "https://pipeworx.io/packs/jecfa"
    }
  },
  "source": "mcp_registry",
  "summary": "JECFA (Joint FAO/WHO Expert Committee on Food Additives) — safety evaluations, Acceptable Daily…"
}

What the leaf hashes

{"body":"e72ea74111079808f183ffa20509792048ff268056e139cd4140cd19e2de19ba","id":996894,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793250769271455,"prev":403496,"subject":"mcp_registry:io.github.pipeworx-io/jecfa","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. 0xee748f11f09c502a0f98ce448a32f5779586f80d8681a1a2ee78e5ab5cc73cc2
2. 0x37a2d060773be65120c908c32b32f65fc76a9cec468bd246822a496fbb6a5e50
3. 0x6bfb9189423c918aad6d6b1a1a520418235a32b1918556634bd1b5602e3f26a3
4. 0xda6ae415d153ecce9b7ddaa5f65b744b3325ea2ff42b78e69ab105c4892e9c91
5. 0x3208ca6d6b096dd213bf31b568da0a7430579fd162a3601906ebd6c4bc0ae2bd
6. 0x632d54b15a6193b4c3b9f0350fbb06988c99cbc731b4939bdbe76d095cb3c6e9
7. 0x0f83a421c41cc491f7eea00e25e14eb0cc6d360edcf8363b4ad0e820c844c0ff
8. 0x2bdb739e4ee44e4e8606d20cc1c5655b934b3966e3bd75e7489b6028b9c8f16b
9. 0x5a103bd422b5999b937a1a1f19579508476748c89b7a9a125f69ee516429e941
10. 0x5f9781356b55d85f7ccf98ae2997e7c699401fe63648c008341a2a3f548f9cf4
11. 0x7f6f4a3827ad9ccd44f6124841f8f16e5f9f7865fbb9b21c3f12c75b4a701bca
12. 0x9cfe20fad7f22fce9f16f591aa2d2ca2100c6bffd5f642a38f4bfba5923824e7
13. 0xb7135ebdf44d4b9a6964eab1a8ef6bfb119f4566990979a4bd04ab15dc46a7fa
14. 0xdd7eee8bdadd60ea2c845df144e254573e75dd4221ce0c344f92f184bcc69afd
15. 0x1623e28c5fc42dfa00ec1935da937a96d5bbf27124e83666dc61efe8facbb339
16. 0xa034ebc8d117fbf1ed466b70baa0478bf213b743e1a41cba1d2da7a9f310184d
17. 0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1