Evidence row 21776

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://app.versium.com/mcp/reach"
    ],
    [
      "web",
      "https://reach-help.versium.com/docs/mcp-overview"
    ]
  ],
  "name": "Versium REACH",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-04-14T22:07:19.276929Z",
        "status": "active",
        "statusChangedAt": "2026-04-14T22:07:19.276929Z",
        "updatedAt": "2026-04-14T22:07:19.276929Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Enrich leads, generate prospect lists, and validate emails using Versium's B2B2C identity graph.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "48x48",
            "96x96"
          ],
          "src": "https://app.versium.com/favicon.png"
        }
      ],
      "name": "com.versium/REACH",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://app.versium.com/mcp/reach"
        }
      ],
      "title": "Versium REACH",
      "version": "1.0.0",
      "websiteUrl": "https://reach-help.versium.com/docs/mcp-overview"
    }
  },
  "source": "mcp_registry",
  "summary": "Enrich leads, generate prospect lists, and validate emails using Versium's B2B2C identity graph."
}

What the leaf hashes

{"body":"2de6b0adcae643ddb593ce4871397df1f07d1e50be78154cfcdd63415e60f221","id":21776,"kind":"listing","method":"baseline/1","observed_us":1793025340934042,"prev":null,"subject":"mcp_registry:com.versium/REACH","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. 0xf7b69e2b78299154c9ab4a2631f7cddd58e1251fe13e5637dec5aa43faafe9a6
2. 0xbe558169cf1598f76ce4d1d6d035380889e0b9ab6c8ef4c057fca5c330f6abbe
3. 0x76abef3b7c88c1a565914bc508788d80b643d1ca8bef08cd92faaf42df90acf5
4. 0xb3e8e0436e81450ce7737f0bd0cebda03ca61bbef4d4b883e5f2ae37910127f0
5. 0x8cacb93daa0c762f22e1440a421f807fd93e70d7652de1a59eb7d6c487205415
6. 0x57b86582e84d616701dab56c81601de3df974d8d9ac2f06808fb9365ae48e049
7. 0xcae8c62d0bf53c8cb9a4adb56509a1454435bb2f77b301abce71429426c80e71
8. 0x27531997833438fe58087cbd0dd603a1a068fec613cf7e0075433b0efc7069af
9. 0x083ac856c9e7524f8d4826c4e61833d68bbe1eb3260e106cbaa6ff5485b44028
10. 0x8912095205c0419743c69fe2e0e31af1d737e6d84891a84908cff125ff0e8e71
11. 0x0836eb686ada9beddba0f76357ec59493359d2a7c51aa5c4a31d3cfe9873ea74
12. 0xf7eba200f6f1012d700fcc53fc6d57dcafd1019c920b1030d42fa21d4af95d94
13. 0x694eb701ea36a0e3dcde192253ab85a618738bdc1e3a6e582e6f8bf9647f7a6a
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae