Evidence row 54929

What was observed

{
  "endpoints": [
    [
      "web",
      "https://signalbrain.ai/"
    ]
  ],
  "name": "SignalBrain",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-08-24T12:55:53.196623Z",
        "status": "active",
        "statusChangedAt": "2026-08-24T12:55:53.196623Z",
        "updatedAt": "2026-08-24T12:55:53.196623Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Verifiable receipts for governed process changes; emit, validate, and gate trust",
      "name": "io.github.whitestone1121-web/signalbrain",
      "packages": [
        {
          "identifier": "signalbrain",
          "registryBaseUrl": "https://pypi.org",
          "registryType": "pypi",
          "runtimeArguments": [
            {
              "description": "Install the mcp extra so the MCP server dependencies are present",
              "isRequired": true,
              "name": "--from",
              "type": "named",
              "value": "signalbrain[mcp]"
            }
          ],
          "runtimeHint": "uvx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.1.6"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/whitestone1121-web/signalbrain"
      },
      "title": "SignalBrain",
      "version": "0.1.6",
      "websiteUrl": "https://signalbrain.ai"
    }
  },
  "source": "mcp_registry",
  "summary": "Verifiable receipts for governed process changes; emit, validate, and gate trust"
}

What the leaf hashes

{"body":"fcb7b9c2d5d77f4f35288b8590862e3ed41247ae31a74465b6dba530b7b5bca6","id":54929,"kind":"listing","method":"baseline/1","observed_us":1793025434313327,"prev":null,"subject":"mcp_registry:io.github.whitestone1121-web/signalbrain","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. 0xa461be673c7bf5527af33febe6b9fd38916d35e83d6be491a053bdb2d28515cf
2. 0x86be2abc4a07c30a6be285357d15ef53ef96b01ff6395323788353aace764a52
3. 0xaa1918b1ea537ce84a9e6765a283f29eb2b29281e6562c86cc868abe01b5b9b8
4. 0x8bda15e61593cecc4644c8c402769ce19f55bac5c5f92867f6f6dc765064d830
5. 0xc083da32296846eaad115dc01f7e395ffd393b355519c258906940c21d974e29
6. 0xbdc44c029aa10dcc93317072ec3d461c098b6a2e82a64fb3ae8b7a98a39ca78d
7. 0x9bbfb4adbc73dc5da071495186e11fb420f6918a842d4c4ba0d8968689551f7c
8. 0x1348281961d716282c190aa3307240a49d92517cfa8e27f302471b2146d2aff0
9. 0x379dce8f4f81c1da8c228257bf51d1eea95978e6d24e3625a0a38a1edb3348fe
10. 0xcfc41667c7e4033b09b3eb60ac1b4f7735f1d813168ca8ee332b26dbabe469c4
11. 0x63bb18928b05af339d3db18a674ec04120f1a31736f638d4e101d735122f8380
12. 0x21725c62783071369e87d9e0abedb3d8cc37bdab8d0d58308c28aeb7cfd2bc8c
13. 0xc34c13c58ba9c342ea1b833ac1882a4aea22777c4fd1092b2f83d3bac6b9f845
14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae