Evidence row 23544

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://overlap.notdown-app.workers.dev/mcp"
    ],
    [
      "web",
      "https://overlap.notdown-app.workers.dev/"
    ]
  ],
  "name": "Overlap — find a time a group is free (when2meet/Doodle alternative)",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-17T04:25:49.385879Z",
        "status": "active",
        "statusChangedAt": "2026-09-17T04:25:49.385879Z",
        "updatedAt": "2026-09-17T04:25:49.385879Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Free no-login group availability poll; reads back the best meeting time for a group.",
      "name": "dev.workers.notdown-app.overlap/group-scheduling-when2meet",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://overlap.notdown-app.workers.dev/mcp"
        }
      ],
      "title": "Overlap — find a time a group is free (when2meet/Doodle alternative)",
      "version": "0.1.0",
      "websiteUrl": "https://overlap.notdown-app.workers.dev"
    }
  },
  "source": "mcp_registry",
  "summary": "Free no-login group availability poll; reads back the best meeting time for a group."
}

What the leaf hashes

{"body":"128f207ad06519cfc027b7daf80dfd8290b9f80d6f6ab092bd1edec06a3b3e4f","id":23544,"kind":"listing","method":"baseline/1","observed_us":1793025351188814,"prev":null,"subject":"mcp_registry:dev.workers.notdown-app.overlap/group-scheduling-when2meet","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. 0xa562e4de55aab72fa6fdedb9edeae4c49c35f680d808618348d0454da893c954
2. 0x7f37873f31e5ed3243618bd3a5c102266bf4acf955fa51aae217dee7929e15cc
3. 0xb075882e95f7bc8d866c15c4be784e23c1aea8271940651a2aba736502cdc6f0
4. 0x4f94499b92dc7f02a289d7cc36ed089aa6759b91625505d80ccb95423dd03cca
5. 0x2124faeedca9a98025f86dfe59d9ef10f8a32a1dec81573a571f1594efeb480c
6. 0xa759e927e9781ae0b36de31f072252e2f5c1119522741d4b710f1a3693fbcf5d
7. 0xd604dbf559bb7f0bfb9130295781cd343f9e38c3a2bf64b24ed155e25695adb6
8. 0x890a3f765e118c79a0b2696b2c56b36bdc3240ac1a3e13a71a0ead7f40925f43
9. 0x58e672db229959850d3ec0de683a0633e858d4012759fd7ef343b9ffe7ea5bbb
10. 0x494d50e7c2a667a94651588fb1c6bae6df468e826359a35ba4b503d878536df7
11. 0xf237135c66ca84b49bee4316c469fc0289ef400162349fc2344fca1bb98dbd0e
12. 0x21725c62783071369e87d9e0abedb3d8cc37bdab8d0d58308c28aeb7cfd2bc8c
13. 0xc34c13c58ba9c342ea1b833ac1882a4aea22777c4fd1092b2f83d3bac6b9f845
14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae