Evidence row 23499

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://hrefgate.mike-tusa.workers.dev/mcp"
    ],
    [
      "web",
      "https://hrefgate.mike-tusa.workers.dev/"
    ]
  ],
  "name": "HrefGate",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-15T13:05:13.018761Z",
        "status": "active",
        "statusChangedAt": "2026-10-15T13:05:13.018761Z",
        "updatedAt": "2026-10-15T13:05:13.018761Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Lint hreflang: codes, x-default, self-reference, canonical, return links. Never fetches URLs.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://hrefgate.mike-tusa.workers.dev/favicon.svg"
        }
      ],
      "name": "dev.workers.mike-tusa.hrefgate/hrefgate",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://hrefgate.mike-tusa.workers.dev/mcp"
        }
      ],
      "title": "HrefGate",
      "version": "0.1.1",
      "websiteUrl": "https://hrefgate.mike-tusa.workers.dev/"
    }
  },
  "source": "mcp_registry",
  "summary": "Lint hreflang: codes, x-default, self-reference, canonical, return links. Never fetches URLs."
}

What the leaf hashes

{"body":"aa8aae769c2cb248b7e47c7e3837ea4d57cf0a7afee41ff864293d90752b2e02","id":23499,"kind":"listing","method":"baseline/1","observed_us":1793025350876509,"prev":null,"subject":"mcp_registry:dev.workers.mike-tusa.hrefgate/hrefgate","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. 0xe6880492693bdc962d26150c81a9637bb262b1486d9c3a05c0b6a7fda1e638cb
2. 0xe670ddfd053c08e8894102c5604060f72c55bceb419d4baa6fba66629f713f70
3. 0x8d3de83b1892ff90e878134d37e2c28e686adda1eb4bff74377126ea0a4d2407
4. 0xd0f23a5252f1861f8fa3d336a5db45e6361836521b175db65929b4217a3595a3
5. 0xb1ea6b8d904c877b95a3cba7fa1b6777f25844e955aa35d2aba5e6aaa9759177
6. 0x042828c890f016c47617cea53e0854d0520bf4a0cd1b95c29186b8c94644a140
7. 0xca422d21a7e55ecf268735650e14a1ccd48b70f35a4e7e77090dcd57d91b5475
8. 0xfd157397f1bd9de521eaef500bbafa059966ab9db3b89691dfd295f4ec50a966
9. 0x0acadf2a5ea10302cda86f39380eb997d6d096d07ca5029f10cf76e8265aa051
10. 0x17252ea35c135aec37ce7f1ed706d7c9275dd2e41b9d9e8c21d84f8d686b33ff
11. 0xe9a46d294851ae0e362ab741d0ad8768d3bfeeb15a9d9fcc78aae5128fc33835
12. 0xb866b513dd861c870688f5d1a8e434b170eaa2fafb0961d6a674d452b8e58381
13. 0xafcc1fe54cfe00a3a1de33df127340075f22433bb89848bbc81499cd7aca5b2b
14. 0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae