Evidence row 1538094

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": "2026-10-31T20:56:51.802548Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T20:56:51.802548Z",
        "updatedAt": "2026-10-31T20:56:51.802548Z"
      }
    },
    "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": "1.19.0",
      "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":"73981e0e6ed3daee3c3a1d49c1543bada831acb9cdcdfe5d5171318e9aeb1a86","id":1538094,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793481419159892,"prev":1500380,"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 2026-10-31 (246033 rows).

1. 0xac2e21a9a9a585ffc9f8cca7972954ca0d1543361df88fc495ad75ee1c4f0d54
2. 0xd335300f76c3c9d83ea58b30087cda1a7f21ce78afd25ba62590fd9b592f9d4c
3. 0x36f9473b10eea96c875bed5fe6669050243b6b67fc821aa946dd635006a67bba
4. 0xf4526a68c70c62993b279913188d3830aa609ada94521aeb2124e08ee79f04b5
5. 0xbdab35226b2243c524975908d7f70b649a83d085c3b81438b30d2142733ff34f
6. 0x07eaf20e997d847572d3d324f0d68eabc58f7d95650c840fec42a40b64c5591a
7. 0x9f44c150d354f99d358771314dc39e54a299d79ec8c2af38483e830a3cacd710
8. 0x926fc1e784366059bea24459562f64a30b4093b3d52e64d60c27b5b30fa67af6
9. 0x49143a44a41bf47c823d35217ed8893fe8667c21b7b7fd606d9f8b3bd2555d47
10. 0xf049b4db11e2f618ae5a68e56b0c0739330e3da2fb502db3779448e47aa9271d
11. 0x2f3249d0d53b04b4c1294a4b05a18518cd0c45693edaf816af6e5844099d31e3
12. 0x0b7b2aa9c6e574b6b185a1c5f3cd6190e5f1168ba0b13ca46fdef6279c6fde23
13. 0x0b806489de9a06dcb3c577117e5b9b04eba4220a7b621a2fa8d84dafcbb2eb4e
14. 0x17b4d08af91ab833713ac6154ec68f498dbe032401780285c2ccdadad6ac27f1
15. 0x57afe240b626bf60f6af8c76404811e95ea5519f217fac382bd159177a8ec870
16. 0x2e1cd25ce4079da9bfa6219d7ffec992149add4cd7d5c5b2cfee9908c1c8a5dd
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0