Evidence row 57689

What was observed

{
  "endpoints": [
    [
      "web",
      "https://exercisebank.net/"
    ]
  ],
  "name": "ExerciseBank",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-20T20:31:30.797538Z",
        "status": "active",
        "statusChangedAt": "2026-09-20T20:31:30.797538Z",
        "updatedAt": "2026-09-20T20:31:30.797538Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Search 1,492 filmed exercises by muscle, equipment, pattern and joints to avoid; get substitutes.",
      "name": "net.exercisebank/exercisebank-mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Your ExerciseBank API key. Free sandbox key, no card: https://exercisebank.net/signup",
              "isRequired": true,
              "isSecret": true,
              "name": "EB_KEY"
            },
            {
              "description": "Optional. An opaque id for the person at this machine; enables get_media_urls (signed video and still URLs). Counts as an end user on the plan.",
              "name": "EB_END_USER"
            }
          ],
          "identifier": "exercisebank-mcp",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.1.1"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "packages/exercisebank-mcp",
        "url": "https://github.com/exercisebank/examples"
      },
      "title": "ExerciseBank",
      "version": "0.1.1",
      "websiteUrl": "https://exercisebank.net"
    }
  },
  "source": "mcp_registry",
  "summary": "Search 1,492 filmed exercises by muscle, equipment, pattern and joints to avoid; get substitutes."
}

What the leaf hashes

{"body":"4fdbc879fb19f55cc7d2c48e123783cc2ae8fa6db33c1a42a822e8839f3aba8e","id":57689,"kind":"listing","method":"baseline/1","observed_us":1793025443174308,"prev":null,"subject":"mcp_registry:net.exercisebank/exercisebank-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. 0xdf3b6d9ab6dcc4d72b845ba3ca97f48ac55686f106286f02901569e08c921aea
2. 0x88b71c9f78ad5db4a797ffad72730338001953be2e65bffe7a0ecb656472054e
3. 0x49354f705d329c41e7cc0f0277528a1c4a92f52ed95041fb86935377e9ac8d7e
4. 0x9220ecdb08294c377f4b8f000cd2a9da62800a40a0e27e4b52e6c8dbfeda23fc
5. 0xce5be06b2b8c389681b6fb8a3bd29e42e749f4183c7367a6c6e0d63895c75e7b
6. 0x02f7c18887bf188b90c5041ad0ed5506b8bce2732278e89900a7ca7dde09de3c
7. 0x30e80bd36853d8ec5b23f6d524835693e45c412267bc6ccfb208644b7cc5d841
8. 0xa9917ee157789beb5e1709fc1be19a7cd866cf3dbd9aab6ba9f85060de9fdc58
9. 0x9cf6202d33cb2457951c93479f7b30cdc516160fc113e5afcdb06c832e12a535
10. 0x31ae1db8a7234b94d9fe5367527c887819eae31f8682d2506d2e71c84c07ccd6
11. 0x81e0a64a684968fee123ac8017e882fda3952628b73684e4b974157cf7552f06
12. 0x1cde596bd397df62b2525df79e5a761af7d1a292cbcfd283ea8977aecf9334e7
13. 0x3fcdf7fa32ccefe771eb57ae3015142065d64e3ce732fea7d11b9a3c99dde44f
14. 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae