Evidence row 2546752

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://sendlane.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/sendlane/"
    ]
  ],
  "name": "Sendlane MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-03T07:15:40.451102Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T07:15:40.451102Z",
        "updatedAt": "2026-11-03T07:15:40.451102Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Manage Sendlane lists, contacts, tags and custom fields; read campaign and SMS reports.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://usefulapi.io/icon.svg"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "256x256"
          ],
          "src": "https://usefulapi.io/icon-256.png"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://usefulapi.io/icon-512.png"
        }
      ],
      "name": "io.usefulapi/sendlane",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://sendlane.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/sendlane",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Sendlane MCP by usefulapi",
      "version": "1.21.1",
      "websiteUrl": "https://usefulapi.io/sendlane/"
    }
  },
  "source": "mcp_registry",
  "summary": "Manage Sendlane lists, contacts, tags and custom fields; read campaign and SMS reports."
}

What the leaf hashes

{"body":"c3f5cf71082d3337b513c6d0a2963f25c11388f102c22e3ed22a3f30f90100f2","id":2546752,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793690350389447,"prev":2130513,"subject":"mcp_registry:io.usefulapi/sendlane","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x2dd9f5b54c01b0aa1a62e2abab5a821bb72d2c8d441e91e4dad71c7a51342c46
2. 0x3afeb47a8ef84fd3af080aa8f895a8b0ed2fafe48177bbf165ad83b48cc41f61
3. 0x874cc622011ebeeb7dea4767599259c03ae6b22353d64228c4a788dc487cdd2d
4. 0xf1e7bcaeb92f3b1169dc482d8ed9e3a11ca21425d031b727ff9d957b10150c48
5. 0x9fdcb76c9e0e8384f03c49383f13ce8e937c43c74d5212a5afd2b7e3a8491833
6. 0xcf6199943da7f5bb11b6f5f7a99f0263b33c05f084690656231c757c41eb07aa
7. 0x102690f0b4abaa137b3cdfe67a3fdfb7a096e3f8509bbe219a213f64c191b87b
8. 0x5b41b6fba2b7527023a049b89f2c9dd2188de9179ec790a61b63c56888983b4b
9. 0xdda9d369ca0771e6e90c91c084f2cc4ff885f428cb8ef567b34588111ada8b07
10. 0x4ec34daf0abec1a299e4bf15a8d300d1990d68328db84ae4e2f33a98d19a98c3
11. 0xb7f12cc156c06e6f73aad26f0c9b884c9fc5cf60d4c3b040384e457dce19b926
12. 0xec5437cb02bda8473e2b58bfd38d17c07766aa625beea1c1d587a39e0b6d36b1
13. 0xabecda24f649c46632dd795fcf8ca7d146641246a569c0a3ec1fd85e9baf0a5a
14. 0x2498d172c194baddb2b78ac926b7c8da79833909dc2801e4c25af0c0eeca0f3d
15. 0x3553ea75bcf78135f26289b22fcb05dd562af750aceb74fae97aaa66ea2adb8b
16. 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7