Evidence row 1249802

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": "2026-10-30T12:20:54.757143Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T12:20:54.757143Z",
        "updatedAt": "2026-10-30T12:20:54.757143Z"
      }
    },
    "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": "1.16.1",
      "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":"2089bd96d39619dfe23a3008d9fa5942baa3d4d4fd06475bb2034fb95c7ff21b","id":1249802,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793366123285561,"prev":1025843,"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 2026-10-30 (243099 rows).

1. 0x71fafd77f376459198f0b63f375dfc10712af0e4b00a13b6a7847aef5ea21f91
2. 0xbcde1a837a0a5e9988e978592074d6da6c75fb947e460d821e1cdb1e7c49e8b5
3. 0x36b02f0563161bb948b996ef674ce061439d4cd90a773d5c6b8beb2ce1d3a88e
4. 0xca472ce942c9e89c712cecd38467addd638baf4a158ee82a9d56734a6e224e75
5. 0xa034fccca76e4657d98e90f4e7714ec0af49f6787749a909d60530d3a94992ad
6. 0x0ab1519084829bdbe6c5ca94e92750752d242897e2c428f114a7b93f1c06e216
7. 0x69bd118c9ef203d3b2c51a8a87d47697c13ed6a48f231c7774e2aabfca2fee40
8. 0x6f768909c3e6f42194fc61cd941a710c04b9e33fbc4153837db8fb7cc57bd68d
9. 0x14cb19226f23b05c973e4d72d28cb5c3ee07027c1f44f080270afde63764496c
10. 0xd2b6c862179e7a852dfe2d6e6a539534a088cea4f19bfdaf9be1a853c6d2b118
11. 0x229e8fa8762efcb22073eaa521ca9fb0fdb077539f4ab99681d62bd6350e6fd1
12. 0xead7b9b5ca26a82aafe5ba5c839f18ecb3ec6cb926cf44fbd987b4ff6db22ac6
13. 0xc49b39d1d5f1a9f4fc18bb83adeb6cd4a85dbf836296581eb9e9e717cc889fd7
14. 0x75bcbdd2a0d7acdea21f6011126339c8e33a476ec0a76842480cf5bf70db6a72
15. 0xdf25f5d38e3fb54d3e66e3bf876db529f619041e0d21f0bc35b80003418e3d9c
16. 0xdbaaffa44665d1fa60d33d2c4075bd87629b76d01a6ee63e621e78590303b56d
17. 0xffe660edb9e5c6e3449a49454634c3e7b2f9fe703e5697f723b021735647ab7e
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861