Evidence row 44947

What was observed

{
  "endpoints": [
    [
      "web",
      "https://webperf-snippets.net/"
    ]
  ],
  "name": "WebPerf Snippets",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-25T15:40:49.428092Z",
        "status": "active",
        "statusChangedAt": "2026-10-25T15:40:49.428092Z",
        "updatedAt": "2026-10-25T15:40:49.428092Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Measure Core Web Vitals and debug web performance with 56 snippets in a headless Chromium",
      "name": "io.github.nucliweb/webperf-snippets",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Chrome UX Report API key for the field data of get_crux; the other tools work without it",
              "format": "string",
              "isSecret": true,
              "name": "CRUX_API_KEY"
            }
          ],
          "identifier": "webperf-snippets",
          "packageArguments": [
            {
              "type": "positional",
              "value": "mcp"
            }
          ],
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "1.5.0"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "cli",
        "url": "https://github.com/nucliweb/webperf-snippets"
      },
      "title": "WebPerf Snippets",
      "version": "1.5.0",
      "websiteUrl": "https://webperf-snippets.net"
    }
  },
  "source": "mcp_registry",
  "summary": "Measure Core Web Vitals and debug web performance with 56 snippets in a headless Chromium"
}

What the leaf hashes

{"body":"9e5fa625e38e7d2fb2a200a8cc5121ea9f363ea43b29760c5b6e48451ee6b5f0","id":44947,"kind":"listing","method":"baseline/1","observed_us":1793025405443505,"prev":null,"subject":"mcp_registry:io.github.nucliweb/webperf-snippets","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. 0xa76a14f9c29d55eac6f73e2029f366b8bd09e20fd70850a4f60516c6c55d8a8c
2. 0x749ffda6b90f91ccf998dcfbd296254ec8aa3ac8fcec6414a17af670a6a5ad8a
3. 0x4dea2f2256d777ba51481a87c8d299c196ec480f12264dab015845ecc6b69c9d
4. 0x8ef625922ba0e59c99849ce0042c83369f481b42f7f5be8f31c8b526221a7708
5. 0x0e12b2011124842f52545531cdd707c956b42742fe759ddf2a4353f198e1055c
6. 0x991d52173413a8fa000346cfa4e9b9815ac505c490325bcd3ba0256adcf06e71
7. 0x2ca31706180822e96e4802bdd72e776629fe3e27e98f5a861b0e18a716aaecca
8. 0x26ae4d973900261aaaac1bfd0d9fcd43145f36b7f6d52f868ec5653fd1f5eb58
9. 0xf9b9521b260b61c0d5bbedbd9b0486a7b2a6dd13514ee4cfa62f934dc2767522
10. 0x96a6c36f66ccdce2fc9d08bc551d6e8a2e7e8f76cf469865819b5bc277877605
11. 0xfd7db9a5ff472cfefafacbeb7f7f7dc6fc7e28e7e0d99e3b79d231f0d5f46aee
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