Evidence row 25177

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://reactionmetric.com/mcp"
    ],
    [
      "web",
      "https://reactionmetric.com/"
    ]
  ],
  "name": "ReactionMetric MCP",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-16T08:53:50.150531Z",
        "status": "active",
        "statusChangedAt": "2026-10-16T08:53:50.150531Z",
        "updatedAt": "2026-10-16T08:53:50.150531Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Five-trial reaction-time summary and links to browser-based reaction tests.",
      "name": "io.github.7l7/reactionmetric-mcp",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://reactionmetric.com/mcp"
        }
      ],
      "title": "ReactionMetric MCP",
      "version": "1.0.0",
      "websiteUrl": "https://reactionmetric.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Five-trial reaction-time summary and links to browser-based reaction tests."
}

What the leaf hashes

{"body":"5e39ae6becc9e54b2832e8b692102be2bdc96f99fba0c6763f988b36317b9ee5","id":25177,"kind":"listing","method":"baseline/1","observed_us":1793025354288907,"prev":null,"subject":"mcp_registry:io.github.7l7/reactionmetric-mcp","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. 0x9f90abd6890d76d26c1b6c9002777211f93fde9e2e7aae1d659550b76bd6ad1d
2. 0x6f2f4025120a53277725ad9ebe670732143d2e432da5364077c0f59be011dbe0
3. 0x9feaf03d41b714eefd1d6810337dce2a9ed961cf88b8507ea1819dc10d211a81
4. 0x437c77fb9be999fb640bb1919f417edb3dd2f954c2bd56bd221d77cf4c48325a
5. 0x4c907d22b282fb729456d6539a7e2734146a07dca804d5854861005ede0471f5
6. 0x1d68b8aa1e6b34d740a86296d7f5173e1fb7d59909cc0cf594f7df75ca6550c7
7. 0xd7129434b51792c01eca94a2660c4f20ee2961a23ec37247e08eaf47c554aa96
8. 0x5b30c5d3b1d112443703c7ccd0afaa738dddf5387b6270bf9c608fff5bde8ba8
9. 0x746f0a3be72549514ae83b6e8b25f02867f85ef0b5dc76ab3c072aeb5394c301
10. 0xad33b6ed23e6b6f31de87919e88c08498b71327e286bf36d5ea11b6c48a97eee
11. 0xb5a5da1d8cc5364d4e1e81f176a4bcbca86e02bf02b30e06db118bb7f2c487a8
12. 0x6367dad81ab5c2e6f424ad3e06310c9b75079293d62a08dfbde98ef993c35229
13. 0xf8d3e004d9a208d2c5e82ab676956d80f8a3c78387c61dad15a3a8269efee0d8
14. 0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae