Evidence row 57743

What was observed

{
  "endpoints": [
    [
      "web",
      "https://mail7.net/integrations/mcp/"
    ]
  ],
  "name": "Mail7 Email Validation",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-08-13T00:25:13.937332Z",
        "status": "active",
        "statusChangedAt": "2026-08-13T00:25:13.937332Z",
        "updatedAt": "2026-08-13T00:25:13.937332Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Verify email addresses, clean lists, and audit a domain SPF, DKIM, DMARC and MX setup.",
      "name": "net.mail7/email-validation",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Mail7 API key. Optional, but anonymous callers are limited to 5 checks per minute and a 25-address bulk sample. Get one at https://mail7.net/account/",
              "format": "string",
              "isSecret": true,
              "name": "MAIL7_API_KEY"
            },
            {
              "description": "Override the API endpoint. Defaults to https://mail7.net/api",
              "format": "string",
              "name": "MAIL7_BASE_URL"
            }
          ],
          "identifier": "mail7-mcp",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.1.1"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/dvlop/mail7-mcp"
      },
      "title": "Mail7 Email Validation",
      "version": "0.1.1",
      "websiteUrl": "https://mail7.net/integrations/mcp/"
    }
  },
  "source": "mcp_registry",
  "summary": "Verify email addresses, clean lists, and audit a domain SPF, DKIM, DMARC and MX setup."
}

What the leaf hashes

{"body":"290baadf183dada7b653882dcd1cd4d30ae4a422512b6d622644d74c0b448bc1","id":57743,"kind":"listing","method":"baseline/1","observed_us":1793025443228167,"prev":null,"subject":"mcp_registry:net.mail7/email-validation","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. 0xb1b29876cfa81b372ea7c9bf7bfd46b393e6d2b363de2b14b4438fcef80f3210
2. 0x1eff6e5e647ca89f5313badebbbce374e7465b7c402115d6ec7690be1be3fb01
3. 0x05e29fced5623a67b87c6a7f25aa941e5f9f23f378ef2684b4f1bd6e067a3d70
4. 0x821828c1aff59a5d00ab012582fdf1d831477ede5d224f99b11efe266502fd61
5. 0x2e314f2e12e65f3650bab505beb4ab3845fe2113744cc41de79ac7b1234dc5d8
6. 0xd2881ee3eb2975b69389a3e6e86b29082b3a0e142a44f2cec201b7d5436810d7
7. 0x4234d00d938bcdee4b2f6d379a923aaf1472c7a0212cd24391e3a69ab4f5a6bf
8. 0xd523e0e141f7bab8247f84ee9e15f23d1c43c72c32b0c34c876dd20ae8d20438
9. 0xce7b52aea929e25bddd38b0f456f23a397675312e4cb7db15eb3b5cd4faf39c1
10. 0xd5cd216c2216432b3046cca4e23b3c34d41ceff1aa810aa4eea5bd58437939ce
11. 0xb673e7e79847b2398685ec91a7c3b2395fccef249a8f8983b5eecc97a794a3ec
12. 0xce1aeb889b974291cea1fbfd01595655bd2c1b3636dc5b56eeb8904adb9f6c65
13. 0x3b1c0e225d1b1cb24cd5d5ea4af2de20ed68a1eaf8b61924ed1b81e4b9cf7e39
14. 0x083427e39db4dd470662401f6db5db8fadf084fc4274cf8621b368416952b78b
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae