Evidence row 4150297

What was observed

{
  "endpoints": [
    [
      "web",
      "https://clefdrills.com/"
    ],
    [
      "mcp",
      "https://clefdrills.com/mcp"
    ]
  ],
  "name": "Clef Music Tools",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-08T11:22:11.491991Z",
        "status": "active",
        "statusChangedAt": "2026-11-08T11:22:11.491991Z",
        "updatedAt": "2026-11-08T11:22:11.491991Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Transpose chords, spell piano chords, turn guitar tab into piano notes and find music guides.",
      "name": "io.github.MelMayssonOwen/clef-music-tools",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://clefdrills.com/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "skills/clef-music-tools",
        "url": "https://github.com/MelMayssonOwen/agent-skills"
      },
      "title": "Clef Music Tools",
      "version": "1.0.0",
      "websiteUrl": "https://clefdrills.com/"
    }
  },
  "source": "mcp_registry",
  "summary": "Transpose chords, spell piano chords, turn guitar tab into piano notes and find music guides."
}

What the leaf hashes

{"body":"2ea3e9a687b96770462702a1c3063c0c63b146a8f84e239b6f496a33669e5479","id":4150297,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794137154179597,"prev":null,"subject":"mcp_registry:io.github.MelMayssonOwen/clef-music-tools","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-08 (183509 rows).

1. 0xfb265936ee951229c2560f8f28bee9e6a7586ded261bd31ff84e5f54f16c98bd
2. 0x1982a8e21aeb6112c6347261ff8e28bcb683ecdbbb8b31b9e0d0ada4889dc509
3. 0x9b22cdc6e8b36c1ebd9320296f7e2ebcfa7683e4d55bff81a0e7874480e859d5
4. 0xa9a54e185bae832750844deb58fba1ca07908aa428c150cecb68826cd79e3e23
5. 0x861066bec789b02a3514d77066928db0672ecde67aeacdb4945a39204564bfb7
6. 0x32f7cb77af93cb13c4d7afcb325412699ca58501cd489db67ddc6ab2c953acd0
7. 0x1ac7381d983aecb2181a2be33122df33d26051f8ab34638047492ecacc06b1d2
8. 0xb917fa7eb129ab22373acc970f4d103cc166fd31212dc1205d13ee1bd86d880e
9. 0x93f3024c2562d535ac957df5c952f3edf4564158c512d4c00814228b8e4ce4f6
10. 0x07d35bd1a2d189ef4083f3f23552098cc3e695cd5ebb16250887880d51da0414
11. 0x2c9293cce3f8a8eb8f87c5bb5012e57127b23115c00efc63e32f037f41e8e8a8
12. 0x1efeed7116bbd54cd81632522089be854b74aa7aa8b0a760c3c40d9fcefe3dd0
13. 0x6e788c5e1a4eeefc84c7766abd28d38cb96179724e786f251cf67ed6a1e4d92b
14. 0x462337cfcf4a25e4d743e16c57ee689531894ccc5265ba9fcf36be4298a307ae
15. 0x41be111f1c6a20bdc67d886780b7a6b2f0ff5ab9d9f6e536681f4081b7c93338
16. 0xf9aac73ecfa1eb00a9ea18eb29993fb1634bd55ad625dfc8c59fd9afcef514f5
17. 0x2d9754fdf3b1fe7b0030b55b1fe7e859e5c53291df3d09cef34b31423a50dc18

Day root

0xbf84ec37f88c5f23d2144bd7dbc1ea0f8edc93b3764a885a7164b7923ff3460b

Chained

0x9fea188e4965f50de727e97c40e18d5ff2c2ddbfd4f1ae65e22ddd6f676bccfc

Published

On Arc Testnet, block 71451618: 0xb5273480942a54cd07f291b8319e59976f8d9d0583181c764eed04c9b3f7a022