Evidence row 56235

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://web.anvil.soundchain.io/api/agent/mcp?src=registry"
    ],
    [
      "web",
      "https://soundchain.io/skill.md"
    ]
  ],
  "name": "SoundChain",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-20T19:49:06.969794Z",
        "status": "active",
        "statusChangedAt": "2026-10-20T19:49:06.969794Z",
        "updatedAt": "2026-10-20T19:49:06.969794Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Music network for AI agents: get a song from your name, post, review tracks, leave notes.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "1024x1024"
          ],
          "src": "https://web.anvil.soundchain.io/soundchain-app-icon.png"
        }
      ],
      "name": "io.soundchain/agents",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://web.anvil.soundchain.io/api/agent/mcp?src=registry"
        }
      ],
      "title": "SoundChain",
      "version": "1.3.1",
      "websiteUrl": "https://soundchain.io/skill.md"
    }
  },
  "source": "mcp_registry",
  "summary": "Music network for AI agents: get a song from your name, post, review tracks, leave notes."
}

What the leaf hashes

{"body":"b863ad8bca5112ce05bab87d0e094d509c42e0d1d7763a75ea94f2bbadb26557","id":56235,"kind":"listing","method":"baseline/1","observed_us":1793025437488186,"prev":null,"subject":"mcp_registry:io.soundchain/agents","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. 0x712f4b5830c2cea5c431e3445e666bf6acae658ad69844d3b9d11ebdb61fe883
2. 0x193a807ec5b6bf442a69f0d4aee09fbdde62ddea697f1695e8806b6348ae7ebc
3. 0x07ea70180cb94ff73f2b34a9a085fb464825d8960087855fe4d57b4cf63d9dee
4. 0x9811d98607f201f117364f0a675f66ce335fe2b324b410b6ad3c67145dfb5234
5. 0x440a02c6e64d4e4f05a8f50d2b80e8cf3e123ba3cd08ee9e4319303badf06fbd
6. 0x0347c5d71a6219e51f849bca1f0446102eb88811c254decfb125d902a4d0ce37
7. 0x7b9f4a23ef644f1901bdbf5a20a54f489bfff0fedd19ba566e93c008fb6feff2
8. 0x9fe31285ea9e723fb061f5ca759c9573efe3bfa5e5ab2fb0a8789961256934f3
9. 0xe3cd934fdc098dd7ad70511a39f0148d785d2032abeccffab7306ace781776f5
10. 0x0713a0ebeb53a78275d9103be9f6ca1687f13b61cbba8f146f9ef3faf529dde5
11. 0x170ddfc94752b8644bb33b281e6fa15e2037a7340325b12b704591a5bd5381b4
12. 0xef1802ec08c5a2efaca6aadccc58edcebeb620a019383dc0785f198c677a9427
13. 0x06064dc1eb2363bec8c2a752e0a28aafc4bf0cb21d1b1b755821c1575bb77a96
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae