Evidence row 42190

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://api.mcp.ai/p_pref_sp_sao_paulo_caixa_postal"
    ]
  ],
  "name": "Prefeitura SP São Paulo: Caixa Postal",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-08-20T04:42:50.087977Z",
        "status": "active",
        "statusChangedAt": "2026-08-20T04:42:50.087977Z",
        "updatedAt": "2026-08-20T04:42:50.087977Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Prefeitura SP São Paulo: Caixa Postal, official-source lookup. Platform-hosted, pay per query with p",
      "name": "io.github.mcp-dir/pref_sp_sao_paulo_caixa_postal-mcp",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://api.mcp.ai/p_pref_sp_sao_paulo_caixa_postal"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/mcp-dir/pref_sp_sao_paulo_caixa_postal-mcp"
      },
      "title": "Prefeitura SP São Paulo: Caixa Postal",
      "version": "0.1.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Prefeitura SP São Paulo: Caixa Postal, official-source lookup. Platform-hosted, pay per query with p"
}

What the leaf hashes

{"body":"0b9dd87e1e2e0ebf7b7ea9797e4ed4c49be9305d38f4dfd98f124e72f5a75c85","id":42190,"kind":"listing","method":"baseline/1","observed_us":1793025400727523,"prev":null,"subject":"mcp_registry:io.github.mcp-dir/pref_sp_sao_paulo_caixa_postal-mcp","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. 0xde915aa25f39249b487c269f846dd5b00aaf2f288821ea3d31257d8edacca58d
2. 0x041b73ffc8af9e129f105f4c84ada52da4d02f996d08eab06744d769ad5d2ed0
3. 0xbb0accbac1846eaecbac589c03fdabb79e3a3943aeba4f7f343d6a9f14999b5c
4. 0xb6bbe21845f7e3cad6b00a50e1cfc082f3dcd7d715b31fc86fe302a638af2e54
5. 0x41ace43785335fdc834ccc0c0c8c19300fc2ec5d2f3858b7dc8f1a587375f078
6. 0x21f6b1e20e04d5aa473bcd15ba29d7328956768ea075e70229bae0b4a30f4edc
7. 0x996f0f38c368ce904a27edc58ab861fcb61c26707a2af3f7469263bc454c7ddc
8. 0x757e526adc0b308308ab9fde72bab69aa5b55b11fdc3e464468fba2b00dc679e
9. 0x2bc41f13504c19317647962a7052e2c4cd117e054f8200d40e2cb10c7dcdd838
10. 0x2d9d6462afc5b1463c70c3ad7bab0bbd60dd232ca8386916ee54414b71a3db6e
11. 0x85202061e6a75f8df085f0bff56604cbc8349d53f71525ea3c173296a57488dc
12. 0xd5d3f9a510ef9bc1156a86fc24b9d0c3a67b96d7c1dad1563f35f879e0ac9b4b
13. 0xa4edde833302b48399053e2519aea1aed1074cd102bf4b553643df1866cce4ec
14. 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae