Evidence row 23949

What was observed

{
  "endpoints": [
    [
      "web",
      "https://www.metaengine.eu/mcp"
    ]
  ],
  "name": "MetaEngine",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-15T18:32:42.122637Z",
        "status": "active",
        "statusChangedAt": "2026-09-15T18:32:42.122637Z",
        "updatedAt": "2026-09-15T18:32:42.122637Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Code generation from JSON recipes, linked type graphs, and API schemas across 11 languages.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://raw.githubusercontent.com/meta-engine/mcp-server/main/logo.svg"
        }
      ],
      "name": "eu.metaengine/mcp-server",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Override the MetaEngine generation API endpoint (defaults to https://api.metaengine.eu)",
              "format": "string",
              "name": "METAENGINE_API_URL"
            }
          ],
          "identifier": "@metaengine/mcp-server",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "1.5.0"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/meta-engine/mcp-server"
      },
      "title": "MetaEngine",
      "version": "1.5.0",
      "websiteUrl": "https://www.metaengine.eu/mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "Code generation from JSON recipes, linked type graphs, and API schemas across 11 languages."
}

What the leaf hashes

{"body":"b4f6f4e6850d5439c501a4ac0f878aa6f505495c034fd21e93758b28950eeca6","id":23949,"kind":"listing","method":"baseline/1","observed_us":1793025351678931,"prev":null,"subject":"mcp_registry:eu.metaengine/mcp-server","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. 0xe7cbc03151ecc4d082067dc893b6e67b6e7c0d41002b976beb85ae014a2b1e25
2. 0xbdb91d4e2439cb54012a933d56d78f39bfb0999c057c88bb52e7b2814ddf8aba
3. 0x142a50a22c55d4cba24d04cd35d5540917efac130da4c7d6f5eafe4a3fd770f0
4. 0x2597f4b8d543e6f3e7c12e5a299fecf94b34b4d6bcfeaa7043ff9d8a1989f023
5. 0x6d1124a4305b52d814459b2cede6364159765cab07b981faa0542c5b00fed51a
6. 0x7292e202e4f334ff05c922b6216603b82537fb7add7eb12b6f5299d81948d0dd
7. 0x097cc900d2ec13194c02aab80977d75d0092491bd729ecb000ebea81b5aa9e30
8. 0x5bdc735cebacc993b9c0ff47b5aa63c9828c0d44e37861eae8a10657fadbf98f
9. 0x2a786d995f118d568b2cd35305632361c33d5f0497754da7981bf73762c501e1
10. 0x5da7821808d0b41f2fd896fc8aa021cd9f87f6fb804fcaa5fa71fc51d13292df
11. 0xf9ef09a725d52af13e504e0eafd5a3073b223792ca665fa964297ee3fc3cee9b
12. 0x3d0b5282d5282c30fc9f86662367cab01d0dba65f13d2968391a7d087b79dfb3
13. 0xafcc1fe54cfe00a3a1de33df127340075f22433bb89848bbc81499cd7aca5b2b
14. 0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae