Evidence row 54552

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://rest.onboard.io/mcp/rpc"
    ],
    [
      "mcp",
      "https://rest.onboard.io/mcp/sse"
    ],
    [
      "web",
      "https://docs.onboard.io/docs/mcp"
    ]
  ],
  "name": "Onboard",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-06-18T20:10:05.846258Z",
        "status": "active",
        "statusChangedAt": "2026-06-18T20:10:05.846258Z",
        "updatedAt": "2026-06-18T20:10:05.846258Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "_meta": {
        "io.modelcontextprotocol.registry/publisher-provided": {
          "io.onboard": {
            "auth": {
              "docsUrl": "https://docs.onboard.io/docs/mcp-connecting",
              "oauthDiscoveryUrl": "https://rest.onboard.io/mcp/.well-known/oauth-protected-resource"
            },
            "capabilities": {
              "prompts": true,
              "resources": true,
              "tools": 27
            },
            "tags": [
              "onboarding",
              "customer-success",
              "project-management",
              "crm",
              "tasks"
            ]
          }
        }
      },
      "description": "Your AI copilot for customer onboarding — projects, KPIs, tasks, and safe writes.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "any"
          ],
          "src": "https://resources.onboard.io/logos/onboard_square_blue.png",
          "theme": "light"
        }
      ],
      "name": "io.github.viaonboard/onboard",
      "remotes": [
        {
          "type": "sse",
          "url": "https://rest.onboard.io/mcp/sse"
        },
        {
          "type": "streamable-http",
          "url": "https://rest.onboard.io/mcp/rpc"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/viaonboard/onboard-platform"
      },
      "title": "Onboard",
      "version": "0.1.1",
      "websiteUrl": "https://docs.onboard.io/docs/mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "Your AI copilot for customer onboarding — projects, KPIs, tasks, and safe writes."
}

What the leaf hashes

{"body":"5fe912f77dcfe0c76277afbe9f52904684e07c59a0dcce90b467db4d4e6590a9","id":54552,"kind":"listing","method":"baseline/1","observed_us":1793025433691947,"prev":null,"subject":"mcp_registry:io.github.viaonboard/onboard","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. 0xf9cee08e5f8bf8a847b6deb1c42dbf5a42268c2930e4b26923c34b8715a51d49
2. 0x1cb8cd5c3adc8bd6e949cf126884ccc3d6bb5d13b7267915e91d89e9ecc2abe5
3. 0xbc9c165a9d844c9824964aba8cbe8f649da3cc8039da3f3cab1d19f80d313751
4. 0xb7fe178d94d5f086fdef313969b4c372038f4800aa47cb36703472e1be73d9d3
5. 0x715c29c1ab4c3c1e99c4472e4f9dbe4770781be5215bfe15d9f39f5dd251e475
6. 0xf9d9583f5fea3226a82fdad96b2c7b98a357b667315afc38317f9978a0615a81
7. 0x3f6bde75c45baadf531425bf8944f37718b8737367e31c238415d2f1448bbe0e
8. 0x806702820b5773bc91bd11dcf8116d3f8234eec4f53d12ffabcad4b982e86749
9. 0x568023c5bd4991aa8037ed907dfd312014144aab7a2613f3325ad71e8cb7eb68
10. 0x539ff7502919607fcda1d67de64d7acfca10d00be2f44b1ae5c38d6d4d122763
11. 0xacf2bf89327756cda11b6915c35395a33fba4f7cdd91adfd8c5f45018f6ddfe8
12. 0x08d20884523152a869ac5da32efc7de7b28316f6e9c2a28242f5ea9da742852f
13. 0x694eb701ea36a0e3dcde192253ab85a618738bdc1e3a6e582e6f8bf9647f7a6a
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae