Evidence row 40830

What was observed

{
  "endpoints": [
    [
      "web",
      "https://github.com/lucianoon/mcp-dados-br"
    ]
  ],
  "name": "MCP Dados Brasil",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-23T02:22:41.081202Z",
        "status": "active",
        "statusChangedAt": "2026-09-23T02:22:41.081202Z",
        "updatedAt": "2026-09-23T02:22:41.081202Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Servidor MCP com dados oficiais brasileiros: IBGE, Banco Central, INMET, Câmara e Senado.",
      "name": "io.github.lucianoon/mcp-dados-br",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Token opcional do INMET para dados horários observados",
              "format": "string",
              "isSecret": true,
              "name": "INMET_TOKEN"
            },
            {
              "default": "WARNING",
              "description": "Nível de log em stderr (DEBUG, INFO, WARNING)",
              "format": "string",
              "name": "MCP_LOG_LEVEL"
            }
          ],
          "identifier": "mcp-dados-br",
          "registryBaseUrl": "https://pypi.org",
          "registryType": "pypi",
          "runtimeHint": "uvx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.6.0"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/lucianoon/mcp-dados-br"
      },
      "title": "MCP Dados Brasil",
      "version": "0.6.0",
      "websiteUrl": "https://github.com/lucianoon/mcp-dados-br"
    }
  },
  "source": "mcp_registry",
  "summary": "Servidor MCP com dados oficiais brasileiros: IBGE, Banco Central, INMET, Câmara e Senado."
}

What the leaf hashes

{"body":"34e91570f35e1cfefdbbff095f90e835f44a04f72b2f9495153570de700af3bb","id":40830,"kind":"listing","method":"baseline/1","observed_us":1793025397869840,"prev":null,"subject":"mcp_registry:io.github.lucianoon/mcp-dados-br","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. 0xbfa20ee6c222e1c675f04b00261fcfd0d0a8f073a555c5cf87ba714862b26b39
2. 0xeaae7fea344b9eb057194c0d9e52cf66c027c1f692f5a4a7945b5f115135c022
3. 0xbd55328beacd375df32aa9ebb7fbf990b1cb77518df86bb97f2e119a0d249b05
4. 0xc0cc5d04a15d00157e0bed3550b96b84fd1778bf71ca1e8ec3078297edb0fb27
5. 0x5e89c9bf8f3d9906acc6d4da4a3fb664ad24a33fdd498106e13090b48e741c6a
6. 0x51f8f0d00322a4c61cfecc6122f5b82710e63c47900eb747649bfd8a6f6af394
7. 0x25c413f16f5959e32ca57f3b0545266c11c89aee2401871a6f9ded17e16f3ce8
8. 0xa40caef605531919fff1a8fccf5f7453ee266234a3842eff0b8342aade4c73f2
9. 0x2acb1759545dffd0f9d69f1505ae44a8b895f6571c40306d90c2f277ca0e6173
10. 0x756a464688b460d8d275513c88e70a991307cf0931a5c4f982289e598f3c1b81
11. 0x0decbdcd600e934c38d679c1b99f27ba6676644e856ed6ba36bca74feb432866
12. 0xc520305226daa0caf1c2416854f726ec072c950c1903497b2a1e88b0c6f406da
13. 0x96eae331a78c1c9248bc58130ff83d31b884760a51fe7191de2a39105ae7c072
14. 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae