Evidence row 985673

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/bcb-br/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/bcb-br"
    ]
  ],
  "name": "Bcb Br",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-29T01:47:12.477383Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T01:47:12.477383Z",
        "updatedAt": "2026-10-29T01:47:12.477383Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Banco Central do Brasil (Brazil's central bank) MCP. Keyless public APIs: SGS time series + Olinda…",
      "name": "io.github.pipeworx-io/bcb-br",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Optional Pipeworx API key. Without it calls are anonymous and capped daily; a free key raises the cap.",
              "isSecret": true,
              "name": "PIPEWORX_API_KEY"
            }
          ],
          "identifier": "@pipeworx/mcp-bcb-br",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.0"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/bcb-br/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-bcb-br"
      },
      "title": "Bcb Br",
      "version": "0.2.0",
      "websiteUrl": "https://pipeworx.io/packs/bcb-br"
    }
  },
  "source": "mcp_registry",
  "summary": "Banco Central do Brasil (Brazil's central bank) MCP. Keyless public APIs: SGS time series + Olinda…"
}

What the leaf hashes

{"body":"d10bb0d4c8b0f9dea166c8f71db9f6ee321ba78705cbc007c897b57b1dc6991d","id":985673,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793239962422737,"prev":46028,"subject":"mcp_registry:io.github.pipeworx-io/bcb-br","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0xbc11a79897f059c49d1ea0449665d5ede930a93210f96cf2327e5f0d59536c10
2. 0x6303955f890cb6b53f38e3089703454b4504e5714c9a5a98282c7714b850bc61
3. 0x6b9c08227f385209aae4b860cd8e3e4129eb3dee11f5b070d5deff3222f38793
4. 0xf43c67421d2b2bb6664ae307961709f3773835e7303e3a1ce5fca1b1bfca311f
5. 0x7fc4dff3df459af368240f07eb0e89966109b857388ab9abe53e6f16ba43791a
6. 0xff560655fcb94f08cecc714ba90161e03089666b21fb3b04aba6b89fa8d4b685
7. 0x5f7e6bc515baaf3e0dcb87ae0fe720c2afb1ace4688cfc369b62bac642323825
8. 0xdef615136e02631f2619821bae6e7719448305e35e39efd3ab2a3bc7cc0af428
9. 0xd8812988e57e56622f5d62ce92477b5b57cd385b2ffc97b2e597f66b09bd76a3
10. 0x3fe38060a0bb723d0d87a42e7586c11a2d9f8402ccbb34e31ca1c71a36a0ee8a
11. 0xdce19c799077b9f4ffa4f4c29365c5ec303da77e83eab9d114831316bb1f6120
12. 0x33078c76aba7218c422c2de2cea224dcc97607cdd5323ffc9fa950aa885876cc
13. 0x5fd8a52e5459b8c967c68846e64fa51d631a648282ae3fbd99829c3b4cfdb1a1
14. 0x25bdeb6e977b537e5ffb55862bdb08b7a547e08d655551b6a97e31264fefa58a
15. 0xaa1d19094c2ce6d011a3c40533fa7efee207719d6c482ffc47018b28e5518acc
16. 0xef5d5572aac8f06b61579b7167b369fcb479d9027d4037dc9cacff9e3a26ffd2
17. 0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1