Evidence row 256

What was observed

{
  "endpoints": [
    [
      "web",
      "https://usetuff.com/"
    ],
    [
      "mcp",
      "https://usetuff.com/mcp"
    ]
  ],
  "name": "Tuff",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-26T14:25:00.270905Z",
        "status": "active",
        "statusChangedAt": "2026-10-26T14:25:00.270905Z",
        "updatedAt": "2026-10-26T14:25:00.270905Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Projects, tasks, chat and docs for a team and its AI agents, at one flat price.",
      "name": "com.usetuff/tuff",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://usetuff.com/mcp"
        }
      ],
      "title": "Tuff",
      "version": "1.0.0",
      "websiteUrl": "https://usetuff.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Projects, tasks, chat and docs for a team and its AI agents, at one flat price."
}

What the leaf hashes

{"body":"0fc1494679fdecb099d96b7e9ffe3370bc5b6e1d3178f71d4396594480fe48de","id":256,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793025220747256,"prev":null,"subject":"mcp_registry:com.usetuff/tuff","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. 0x4a08171778392bfb6984d7eab2146f95c012d6f052e44fb05cc5cfa2e1712d6e
2. 0x2dc2ee5f2ebe2b47a2c136500846a781b908ee15c3922f02a8b2fc08f5e61203
3. 0x8fe856efbcabf5a476ac2c4e85424027e6b7c07998ff4904a75994d330bf3e7f
4. 0x4facbb91c56eca66909d350fa3fee26e739afc57f66d47238369638ac81ed4ce
5. 0x3ec7d101fec6d529c7a960a65aad59b8e0842db3625e9bd4171d5d1035e258e5
6. 0x397a6349a5f73bf5746ba97765924b0b9230224ebaed5f998cdf24de7efd0b0e
7. 0xe2aa4678c6ca9564b4c4bf6d24c55d2311b5e6ab7bde66882e4b4a14a2567383
8. 0x70b02b15ac8bb9becc02decbeb46f6d565589b7e2ba81d4b5458150ccec4d2e5
9. 0x7bac93652122e6362b79a79900bc9599a675ccb6c8a1cf4ccc520943bfe821dc
10. 0xc5b02e18acc2bf5e20929ae3673a14ea6bf4561de28d14bdef58038c731f9754
11. 0x36446ee01203fb6b2027599f737b7bdd64e3db182e50230f9c82fff4f67be776
12. 0xee7d5711cd2515f4b08f3e4041d3d56304f9db6bffd82d82746f0f4ea43b8f26
13. 0xb86fa861d04737cb507e721eefbb066d26528fdb6017b1145c18d1223b93ee21
14. 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae