Evidence row 56312

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://api.technooptimist.io/mcp"
    ],
    [
      "web",
      "https://technooptimist.io/developers"
    ]
  ],
  "name": "The Techno Optimist",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-11T18:49:43.557377Z",
        "status": "active",
        "statusChangedAt": "2026-10-11T18:49:43.557377Z",
        "updatedAt": "2026-10-11T18:49:43.557377Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Where frontier tech programs stand: stage, milestones and slips, obstacles, specs and sourced news.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "src": "https://technooptimist.io/icon.svg"
        }
      ],
      "name": "io.technooptimist/tracker",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://api.technooptimist.io/mcp"
        }
      ],
      "title": "The Techno Optimist",
      "version": "1.0.0",
      "websiteUrl": "https://technooptimist.io/developers#mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "Where frontier tech programs stand: stage, milestones and slips, obstacles, specs and sourced news."
}

What the leaf hashes

{"body":"74ee78af748ff28df41b4e432d3dec69ea79a2fa092d13d19e51f94a396b9085","id":56312,"kind":"listing","method":"baseline/1","observed_us":1793025437556798,"prev":null,"subject":"mcp_registry:io.technooptimist/tracker","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. 0x19527fdf85fa5e4fe9ce2258d3bae232ad2de624cd2f669283d0cae72c6bd2c5
2. 0xb692494c5858cb7a2dab7a295f112b07ddb6db4684c4ce40e78fb809bfce7d76
3. 0x8d94079c9037eff5cc56772e4af58e4fce031a4bc60540dba3556ed6286dd124
4. 0x7b6555413d061d58aee00a396d6b0006926651d2e2b9d242a03d25655e27c440
5. 0xa5c4a44d984d7985391cc4d7e95d141cdc12b3eee789e985914dea4d6939bc4f
6. 0x464415ecedb77b326f2e71011ccce616164e9e972db130dd3271b38e45c4bba4
7. 0x811b4d656440ca17f26219dad857030828f4bb5a71b578a7da15ed1c7349c551
8. 0x0df5e7eb95e656f50cb1dde947685aba3b8b8e7c03671e0618521470e8126229
9. 0xb9eeb7ee5a26280e55d815a21ca110d89660b6312e578f2465a686f66a66747d
10. 0x22a40154924d75fee76be762401605048bce3556b7a3714fb3a594b3875c3a06
11. 0x0ebd017eb4cb5f6f3c01ae6562748898aa3fb42b150504be21c4050acea38366
12. 0x6a8a72430804a14ec575375f3d0ca4364f58310afb2c2e8c92b72f8b75809db9
13. 0xe00c7829e46541e49a308807d357db902e06eff941a833217a8f0dbccd3964f1
14. 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae