Evidence row 50258

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/link-ok/mcp"
    ]
  ],
  "name": "Link header relation count, value discarded",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-11T02:53:36.07936Z",
        "status": "active",
        "statusChangedAt": "2026-09-11T02:53:36.07936Z",
        "updatedAt": "2026-09-11T02:53:36.07936Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Link header relation count, value discarded",
      "name": "io.github.sadri-dridi/link-ok",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/link-ok/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/sadri-dridi/named-mcp-utilities"
      },
      "title": "Link header relation count, value discarded",
      "version": "1.0.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Link header relation count, value discarded"
}

What the leaf hashes

{"body":"a1394fae8b7e8e24187499cc52c9f4fcac955761429dead0d5510880d657ddf8","id":50258,"kind":"listing","method":"baseline/1","observed_us":1793025415089979,"prev":null,"subject":"mcp_registry:io.github.sadri-dridi/link-ok","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xecd86457d2c55f556b08f8069cb9cb6cde3fdda56fed53e2b4e955763e4aceb6
2. 0x983017b7d7f14241c74a4d48ddba13ae152fa2dd59c20c9842e604fca172893a
3. 0xeedee94ca1c76b40da4f122d998c290878ce15232a01e940bb790994b5878496
4. 0xc065222e466436bf6e60153b7027462be1e6c0ac89001a48f44dd6ab2f091020
5. 0xe6a186c2ef2536a1faeefe71c7da0033fb7c1454d2125ec80d9a0fa64524a7c3
6. 0x8dd20ce6c6dc978ee4094ad73cb10941c99b888432bc4e9b5db158ab0dee0da7
7. 0x50bd1a10bf34388e8b1f8495c383e50da5e2a506ef16875b083246d8c30b5a53
8. 0x0c70abb3af5ff53ba6886b632aba2668d90949e1976959b7d62e74c62ee518b7
9. 0x8c91c245df8c0f29a1f183f723aa393ea8ddb939bda6e40565b124a1cfbfff4e
10. 0xf333b1fb4291fc66aba3c2430863d37b43610cc7bcfcad50c56770f5a796facc
11. 0x3f07a2115848067024e2992cb2c05a86eb8d02df5abfcead8bc47854e501603e
12. 0xe158f09cdbfb4f7be1bfd45fce3afcad32c2b3bb2fc2e181dadc193bbf194bfc
13. 0x746e9e5b6765727b6b96f41204cc115b0302259f6c67be0cf0efbf245601d500
14. 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae