Evidence row 19757

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://mcp.riffcade.com/mcp"
    ],
    [
      "web",
      "https://riffcade.com/"
    ]
  ],
  "name": "RIFFCADE",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-13T17:37:27.802147Z",
        "status": "active",
        "statusChangedAt": "2026-10-13T17:37:27.802147Z",
        "updatedAt": "2026-10-13T17:37:27.802147Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Free, ad-free open-source browser games that open and play right inside the chat.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://riffcade.com/arcade/icons/icon-512.png"
        }
      ],
      "name": "com.riffcade/arcade",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://mcp.riffcade.com/mcp"
        }
      ],
      "title": "RIFFCADE",
      "version": "1.0.0",
      "websiteUrl": "https://riffcade.com/"
    }
  },
  "source": "mcp_registry",
  "summary": "Free, ad-free open-source browser games that open and play right inside the chat."
}

What the leaf hashes

{"body":"400532a55695f8bcc0b4d86d95a438908df97c2d2c45d66baf36b8f064e005e2","id":19757,"kind":"listing","method":"baseline/1","observed_us":1793025332099767,"prev":null,"subject":"mcp_registry:com.riffcade/arcade","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. 0xc452b93b239285e5b862d60f2d2d5b7e4aaddf6d09c73021e4a2a389c88d8cc8
2. 0xd698438d49fe4b386a94939929cf695885f1fde590cc32bfa3bccad4ac62c969
3. 0x87d08eb2fac60c9ee6ecaa3f74fe838d49d9712a61f335f252daf951547786af
4. 0x9c5a03f5cfc469e22f063c4b1859a2cd1ac0b5d10d26966430e11587eab7fb8b
5. 0x8bd28c4f395bfb21e8878294557986f5ea2a97964238d3b6502a9bae65cfa872
6. 0xaa669d710b9cd5b38d7f1dc08f5ec992fca4108b71e1216f34bec1a168cb931d
7. 0x324caf079e6c8b84964dc29526b43f68d6b20b66f711924d8b26e8c2b7e6caa2
8. 0x0b41d63775b81562a70044f84432d65eab3ebc91d0e81313677e74690989f241
9. 0x6703d17c3f191807991609a113df4758f086b9964c89dfc72962985e8998f47f
10. 0xd7fa137fd7aae82c376f90cb43e2e9cf874e762e0293fed3b902e8bde35cc36b
11. 0x463fef738ef71a01d4aa9ac1c6836fcf6802cdaa7de01bbe42397d79d35d8671
12. 0x4d1a020de7fc0aa076daeb62ebb904d51ac6c607b605eb63a7855f34d7b69f1b
13. 0x641fba1f23ec69d96721e34ace1926954d835b9614cb5eae215a069c056399b8
14. 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae