Evidence row 12675

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://aimeistro.com/mcp"
    ],
    [
      "web",
      "https://aimeistro.com/"
    ]
  ],
  "name": "AImeistrO",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-27T21:24:07.369288Z",
        "status": "active",
        "statusChangedAt": "2026-09-27T21:24:07.369288Z",
        "updatedAt": "2026-09-27T21:24:07.369288Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Autonomous music production for AI agents with MIDI generation, QC and provenance.",
      "name": "com.aimeistro/music",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://aimeistro.com/mcp"
        }
      ],
      "title": "AImeistrO",
      "version": "1.0.0",
      "websiteUrl": "https://aimeistro.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Autonomous music production for AI agents with MIDI generation, QC and provenance."
}

What the leaf hashes

{"body":"4e8b9596799cee34b588f963ee74cb9a1269c828df5017ec9203f1938f03b9ba","id":12675,"kind":"listing","method":"baseline/1","observed_us":1793025305916799,"prev":null,"subject":"mcp_registry:com.aimeistro/music","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. 0x9e4aa76fbdb50374149bb301fa9e72ac5388fa015c5ac35c703b74eb2f356bf3
2. 0x1967420f68b57bc1464eb640d7a635da4ad1f0b634df10355033faa35fce1d7a
3. 0x6baeecd352927d86e1a907ea98d99e02df0455d592d3ef1658478d9df58705e3
4. 0xdea0580535365d4b023fd1c69f11953817c2005b18afcfd67dd3d60143c46ac8
5. 0xeb46f6e081103f58620636446dee42c68961782c493838d9c4347646710628a6
6. 0x12090114e13db2b495e8a5be1abaf227b8a27cf4da4e0e4035f2a62b4418395e
7. 0xd48948d2bd2be2a17cb534ab18ece3a05446239303bcab370882d64e35ba9002
8. 0x332b282e2fb99d8e8435f9de2636abba196c51e8f8703c9baa83cbbaa220d8a7
9. 0xfe8f32850d20cf2e7aaaf9929e81ec89f9d29af0c025e85c6b386c2b7c4e400a
10. 0xe28c07fee0e288e36600367941f03b5da3143ee4c0b53ee2d78734dbe5523f0d
11. 0xcf41009271d76f70a486c0f32eb0d9e4d76bad43d622f4b5d56f18872edb19e1
12. 0x73cca5e5ba14c0aaa799d5324b89eb846e3c5546aab3b2cda0c05c5eeaa03168
13. 0x99a4e0f8b23989f58b564c1b6e419578b4388f6e0dbf6e50177c1bd476302d0e
14. 0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae