Evidence row 58017

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://app.sendly.now/api/mcp"
    ],
    [
      "web",
      "https://docs.sendly.now/guides/mcp"
    ]
  ],
  "name": "Sendly",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-10T20:20:32.024169Z",
        "status": "active",
        "statusChangedAt": "2026-09-10T20:20:32.024169Z",
        "updatedAt": "2026-09-10T20:20:32.024169Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Send email, manage contacts, campaigns and workflows, and diagnose deliverability in Sendly.",
      "name": "now.sendly/sendly",
      "remotes": [
        {
          "headers": [
            {
              "description": "Optional. `Bearer sk_…` connects a headless agent with one Sendly secret key, and the key's own scopes become the agent's permissions. Omit it entirely and the server answers 401 with an RFC 9728 challenge, which is how an interactive client discovers the OAuth 2.1 + PKCE flow and registers itself. Sending-only `pk_…` keys are refused.",
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://app.sendly.now/api/mcp"
        }
      ],
      "title": "Sendly",
      "version": "1.0.0",
      "websiteUrl": "https://docs.sendly.now/guides/mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "Send email, manage contacts, campaigns and workflows, and diagnose deliverability in Sendly."
}

What the leaf hashes

{"body":"5de8ad3caefcb98765591ca66003f334ce84a92ff996d6ab34b92e0cf2ec0a98","id":58017,"kind":"listing","method":"baseline/1","observed_us":1793025443708708,"prev":null,"subject":"mcp_registry:now.sendly/sendly","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x74cb79d3b136006cd9693c5012a00a44a3b44e1ac6405a5ff435132d59bcaeda
2. 0x51cb2ef1a622793dc783f83b4fe5266f9b1f7b1a7e51dcce2768b45a8fa3c69f
3. 0xb030acda51e71b4ccec0e732a5d4149b348c74ca912a305a1eeb5ce021d6d716
4. 0xad23330b6deb33294ec873b58bd549813f8c6c48a0f2b37bf151286b4b08b5f8
5. 0x3edadcce3768a77330c19408ee5aeb902d04eb3f8e4243acaa7133139dac6eb2
6. 0x5af284f7d50c21af7bc5e96728863518dc6f2f4f4b7f125f2b2ca32631fb8b18
7. 0xfd126fb7a038b0db8ec620ec483186371111a9f63808025b38e0f7af236ecc27
8. 0x148660ff501a97966b900b75443f5adffabedb0507580d0133f53c72baf5ad6f
9. 0xb98ca6941da48343330264546405ad6e9e091a1cf04b1cc94fbaf4949a028762
10. 0x9ee05f244b24b5c2218a463b4ab58eba1018e880e4d46ed9425dabadbdd4bc8c
11. 0xff8296d2db87846f2b3d9a7a4926ee8ea17587a9a2960c155a4f0e1d36206dd8
12. 0x43ccc5fffcdb82bff6ecf4ac7157c905b45d2f0362e7f7fbe908de1250b9533c
13. 0xdef3cab0b4070d8ad7f4f91288da4881d19789f131b1b353621df79df04a0617
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae