Evidence row 21777

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://versusbrief.com/mcp"
    ],
    [
      "web",
      "https://versusbrief.com/"
    ]
  ],
  "name": "Versusbrief",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-28T20:37:26.064546Z",
        "status": "active",
        "statusChangedAt": "2026-09-28T20:37:26.064546Z",
        "updatedAt": "2026-09-28T20:37:26.064546Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Pitch reviews for agencies: a prospect against its local rivals, 90-day plan, draft ads. Read-only.",
      "name": "com.versusbrief/versusbrief",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://versusbrief.com/mcp"
        }
      ],
      "title": "Versusbrief",
      "version": "0.5.0",
      "websiteUrl": "https://versusbrief.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Pitch reviews for agencies: a prospect against its local rivals, 90-day plan, draft ads. Read-only."
}

What the leaf hashes

{"body":"02548af6ff233f008e2149fe8029c441d33911a6f759f80d7b83042a62e759e1","id":21777,"kind":"listing","method":"baseline/1","observed_us":1793025340934983,"prev":null,"subject":"mcp_registry:com.versusbrief/versusbrief","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. 0x0fb6d13cf2fd1624e9526c4e0598213cc1f4ccb3246c21cfec399015efd41ec9
2. 0x19c1e0e26106b223efdc7f39eac52b511d5f33902859fd15c3cb69c8c0a4c6fa
3. 0x53a9a6edc447ed31792d5d3e7de706c0c78ae112c6f02bceae0a62f1e5fae8ad
4. 0x11b416f0c304c5854679a7c658d7a0175a1b511668450c48d0107697ce7b8655
5. 0x0b9ce21987ecee5ed62c9c05f2a4f681b262c2e16e48f1d977c2e5150d4b0df2
6. 0xac0e5c22601e4881592b5d8ca8de51c284fb9a02e38a6c01a0c55e64004717b3
7. 0x20f30e7ab90f25cd75f6eb7705fd08d9fcc7ddfb5ec052c875757e8ded4e1ae9
8. 0xa5b668e1ffb001aaccd4905b7e72a059707bc1d162dbe8c9adf8c3d240d3a1ab
9. 0xeeb1536ed36503a475d22b778208730be783fead7ae39db6b659ec83bc5e89bb
10. 0xaa43465b4a572fffa8395a77131320726863b79220ee24a33f803988e66ef177
11. 0xb8387431db70826417a9bc1c445139bee1e0c5d359e4f9e2d85832f49bafe68b
12. 0x129649b2ec48fbc611fb055c3f5627bda42692beb65d09e853d75bcda4e06239
13. 0x294f7935f78a896b5f246a7c9a7ee1b023720acdb03fff3cd549c63479848ec9
14. 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae