Evidence row 57160

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://kvasir.legal/mcp"
    ],
    [
      "web",
      "https://kvasir.legal/developers"
    ]
  ],
  "name": "kvasir — verifiable German, Austrian, Swiss & EU law",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-08-19T18:14:43.059192Z",
        "status": "active",
        "statusChangedAt": "2026-08-19T18:14:43.059192Z",
        "updatedAt": "2026-08-19T18:14:43.059192Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Resolve, search and verify legal citations against the official sources, with provenance.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://kvasir.legal/static/img/brand/favicon.svg"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://kvasir.legal/static/img/brand/maskable_512.png"
        }
      ],
      "name": "legal.kvasir/kvasir-legal",
      "remotes": [
        {
          "headers": [
            {
              "description": "Optional — most clients sign in via OAuth automatically. Otherwise paste a key from https://kvasir.legal/account (free plan, no card).",
              "isSecret": true,
              "name": "X-API-Key"
            }
          ],
          "type": "streamable-http",
          "url": "https://kvasir.legal/mcp"
        }
      ],
      "repository": {
        "id": "1339883181",
        "source": "github",
        "url": "https://github.com/kvasir-legal/kvasir-mcp"
      },
      "title": "kvasir — verifiable German, Austrian, Swiss & EU law",
      "version": "1.2.0",
      "websiteUrl": "https://kvasir.legal/developers"
    }
  },
  "source": "mcp_registry",
  "summary": "Resolve, search and verify legal citations against the official sources, with provenance."
}

What the leaf hashes

{"body":"b293f34f3623469a790ec4fd89e3227fca3bcfdb42f8dae113c2ea2607600c25","id":57160,"kind":"listing","method":"baseline/1","observed_us":1793025442351723,"prev":null,"subject":"mcp_registry:legal.kvasir/kvasir-legal","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. 0xa64e1eee3b67c403a70d6b813869fab3d67b45bc72bb7b80bac12e11f20a48e6
2. 0xc3872eabbe919d31f27b5dd65b5c3180daca1d3d67407c02db7290fd5c5532b0
3. 0xb292939c7c3becb7353d7bcb5991c7489a0a8b406d81b743fd8c8876a0458b45
4. 0x8da4d958fe1aaa023d64e26dfa6d3782d353e21e42be925f40790824f54c77ac
5. 0x12de83256340bdafcce17cb090ca93bd9baa03689a33158a39d5e7d71dbde083
6. 0x986a4c6ec9d4e97fb033cd3c03aba61351c159754653f7533671e2e94c673bf4
7. 0xc724aa4c163082529b69445eec2ab95354f354c967e84fdc217e8e6cf212fd08
8. 0x5b7e9c7537a60d387a7f36993aff903437d6e867580c636b2e8ca07e3d3c8beb
9. 0x0f68c851b1cb79a5105a4fde13fb9158fc8cb576548b1b5c433d2f541ef01b9f
10. 0x93c7b1ac8754236471980488e2ae86b7135fed175d7852bf9b8ef708900f060d
11. 0xf9b4ada16aca6f9b63c09b94519008e1b94357a9d352c245023758b56b82d0b1
12. 0x1e464fcb484a1e782f9fe44be5118a9de934eb533c96ba10fc7d20e3a3e4711c
13. 0x292ebdce6b8d3d7ef08ad646a0fd97dee9313ab55c1a350807d9f3013794c37a
14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae