Evidence row 2130513

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": "2026-11-02T11:22:44.380798Z",
        "status": "active",
        "statusChangedAt": "2026-11-02T11:22:44.380798Z",
        "updatedAt": "2026-11-02T11:22:44.380798Z"
      }
    },
    "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": "1.21.0",
      "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":"f251f601ae248de76e9b004c381f552ba9ca9b3e39e42b15c7f1843d600866ad","id":2130513,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793621911985930,"prev":1541506,"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 2026-11-02 (444186 rows).

1. 0x211e8dccecce4f125db8154e2b6f7ffe46cba970b422215348199a73a67533cd
2. 0x606643ae8cc2fba066a6d0efea47b3aa6a1e0017efbb9cbf8712008d6e222814
3. 0xb9b22890e1606e535dd64a3ff3a9443257d0274bed9f028fb81ab3dbe0492a27
4. 0x47440f6747d609522e970a36f8b1eb789a9eb8906e99b653336aa9efad0c85bf
5. 0xc8e8e7a255680d2f2db4e68ccd5f04c00f911bfd8cdfa6e4f3010f98f280671c
6. 0x81a9cd66021835934b94f087b1f355b0b8e811e1d0f55301b725ae06888f88af
7. 0x2e1cd2798656b32faf3e23d596b3c5b5d294f59fe8c03d1a591b7f6ce59e202c
8. 0x88b48645e12f8e280e52063ef953b8fe226229f72db30c53bc941ef8c4f3d9c0
9. 0x4d754bcfaaa2c7953a6562d326d06336a0fe311c777af3dfc1773fb12785e5e8
10. 0xcc2ad541bf6cdf175b8532a3a599ff58f2939022baef814a8bbe9840bda2a630
11. 0xb638c84e21afcf4fb05edfb18ec1ec3e90dae343db8f36941c6635df85608248
12. 0x55683a1d17eb7241c5fc7a5cf11e9abfdc0742d9a734c294f9a5cf8eb64903c1
13. 0x1684e269a6d133e78b06586cfa473a0fd25d7ae52c10084dd8c0b8a491f1b827
14. 0x401f99eb33c3aca7fb1835eab8a9dc02765c5e3996fc9560617f4be6c7c50067
15. 0xcd21ec8d72a18a2d4513e4fd309abbb530810fb1dbeecd4b9b85acb4d6ff8f12
16. 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af