Evidence row 23507

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://postcodecheck.mike-tusa.workers.dev/mcp"
    ],
    [
      "web",
      "https://postcodecheck.mike-tusa.workers.dev/"
    ]
  ],
  "name": "PostCode Check",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-26T13:08:11.753927Z",
        "status": "active",
        "statusChangedAt": "2026-10-26T13:08:11.753927Z",
        "updatedAt": "2026-10-26T13:08:11.753927Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Validate and normalize postal codes offline for 252 countries and territories. Format check only.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://postcodecheck.mike-tusa.workers.dev/favicon.svg"
        }
      ],
      "name": "dev.workers.mike-tusa.postcodecheck/postcodecheck",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://postcodecheck.mike-tusa.workers.dev/mcp"
        }
      ],
      "title": "PostCode Check",
      "version": "0.1.0",
      "websiteUrl": "https://postcodecheck.mike-tusa.workers.dev/"
    }
  },
  "source": "mcp_registry",
  "summary": "Validate and normalize postal codes offline for 252 countries and territories. Format check only."
}

What the leaf hashes

{"body":"14e6b33c2e1839478786dd0e84e2ad8846fed95c5518b67c3152eac3a46b2854","id":23507,"kind":"listing","method":"baseline/1","observed_us":1793025350884022,"prev":null,"subject":"mcp_registry:dev.workers.mike-tusa.postcodecheck/postcodecheck","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. 0xda10a7d9be5430b17d11f108ae6d5d57801cabbeb32a61dd0a0a9f7aa7a725ce
2. 0xf8eb628132e5ae0221bfd4080a57a2817b528b2cc47ecf10d5a089c5de952161
3. 0x759ff4c13b46d65387c96369edf7fb07cbeac81693c0b85cbcd3e2869689c5a3
4. 0x8955b1944c7b4071f1a481d73b97600c58060bff27ed1cb7850dd738566cf604
5. 0xef8e84a680bb072b5a005f08c6906f2e01b8f87f9454f8cfbe253e2b1215e3e6
6. 0x68127b5462d6a94d70c3b67c0da7444f8087f7428782e17dcf2c6de0591b4376
7. 0x74bf5eec2d3bde652bb963b35f81498751fbc04818b5343e840f68de6e17ec44
8. 0x4533d4051438ed8c8de0638796cba0715b1e693ca351d6cde2d05893df57a4fc
9. 0x68c971729b04d1634887b79cea976d18d27a982e87ff4592dd02843c6beafffe
10. 0xddb1d558f250f3c7af2a9114478d2e8fd2c1ccf13c41a7367d80c929b4a5e0c6
11. 0xc65997d4cbe46cfb99054bd5df6a660823432d48a8d7d21b0c1bed1df236af25
12. 0x3704bc5ad033a79977899a5ead894cf50c0b8c8432c020959cefe2af561eb5ee
13. 0xcd9e3af1fa905ec61b99ee9442716d7c7a439aecacd018ec229a24def1cabf6b
14. 0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae