Evidence row 1500380

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": "2026-10-31T17:14:27.927737Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T17:14:27.927737Z",
        "updatedAt": "2026-10-31T17:14:27.927737Z"
      }
    },
    "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": "1.18.0",
      "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":"d0013f58cacab7a0dcfb41856d8ddb2af682abbae2b5807e9eb2fe3d61b21c86","id":1500380,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793466976451320,"prev":1482179,"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. 0xc0dcc3fe06a31039ae2227b1c1b2cc569347b574222d1f1293428883411beefc
2. 0xae3bd20e50f2876649170e4391daff1751d9d14eb988471993a0d98b753513a9
3. 0x2eff5e48fa722aaade5da328e1038a5c37594d48b1903f0a32ba2dc93d282cb4
4. 0x52134082c721cc3c716fad57328d2ef754b7b74cb067d3f4117db6f82ae13e41
5. 0xba5df680b905456ce3ebb914605e36a24308a736b8757cc04185eb2010435515
6. 0xa82d9e2214be837ceaed2359db24f9828146d2ff6065af195dd8c67213aa9237
7. 0x93bd0915540810c3de2a582ed9f58c7176d3f04c94c809099438ca148ff11777
8. 0x11d75dfb940a546f01e0420b88d55f042d645686aeb61039346f80271bd8d402
9. 0x900a930a03cd46a7dfc0b10868cfb34a9a6c616a16bfc3ff05800e9d6a762a3c
10. 0x629c679abfcbe3c910e463cbce531337cf3878d43f995dfab965f5604420ed9f
11. 0xdeff9b8a30092259b4af97b4f650363b18892d40257fd4d061b7d261188dad24
12. 0xbba8c274d2148261b166f50f23ca58eee8a4197f941294257a5d17e634b6c79d
13. 0x6a43f11729055834772e6e63a776c1f9cd1e8e43e18f7c877db14b3ff5a6cc4f
14. 0x9dde676db4beb8126c78083f708810f78b6322c93d8e3b10a9a56dd144ea435a
15. 0xdd44ee37f508e0be8213cd488d246afd8e10e6e73374cc6074077c37270cda1e
16. 0x2e1cd25ce4079da9bfa6219d7ffec992149add4cd7d5c5b2cfee9908c1c8a5dd
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0