Evidence row 38978

What was observed

{
  "endpoints": [
    [
      "web",
      "https://github.com/ivanoats/wsg-check"
    ]
  ],
  "name": "WSG Check",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-14T16:50:46.116487Z",
        "status": "active",
        "statusChangedAt": "2026-10-14T16:50:46.116487Z",
        "updatedAt": "2026-10-14T16:50:46.116487Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Check websites against the W3C Web Sustainability Guidelines and look up the guidelines",
      "name": "io.github.ivanoats/wsg-check",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Set to 1 to block localhost and other loopback URLs, which are allowed by default",
              "format": "boolean",
              "name": "WSG_CHECK_NO_LOCAL"
            },
            {
              "description": "Set to 1 to allow private network URLs (10/8, 172.16/12, 192.168/16)",
              "format": "boolean",
              "name": "WSG_CHECK_ALLOW_PRIVATE"
            }
          ],
          "identifier": "@sustainablewebsites/wsg-check",
          "packageArguments": [
            {
              "description": "Runs the MCP server over stdio instead of a one-off check",
              "type": "positional",
              "value": "--mcp"
            }
          ],
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "runtimeHint": "npx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.6.2"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/ivanoats/wsg-check"
      },
      "title": "WSG Check",
      "version": "0.6.2",
      "websiteUrl": "https://github.com/ivanoats/wsg-check#use-with-ai-assistants-mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "Check websites against the W3C Web Sustainability Guidelines and look up the guidelines"
}

What the leaf hashes

{"body":"2fb719e511f4b8b7ae5ccae75bbca99ab91bbb640aac0550b2600b49cd4fb604","id":38978,"kind":"listing","method":"baseline/1","observed_us":1793025394337694,"prev":null,"subject":"mcp_registry:io.github.ivanoats/wsg-check","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. 0x02f1f0d96003aba90873f503ff119b646caf456f82dcaf7fa78766a862e02041
2. 0xbe140caaa7b1973887c0e09ded771e8935e72ce901a25440710c92ccb107150c
3. 0xa31acfdef57037917fe7fcf80886d50aab8c7abe4e27e6cabf6948bbf30aeef7
4. 0x772072864c05eb31215ab3da7dca17bb34de1cafb510cc59e581a9e2ab474a1d
5. 0x67c7ee92dab609134c245121354deae4cc46a725f06a31273441d9ad7c0e0560
6. 0x0a055d4e0b7888dcd354662dad1cb72ed9416e3b6fec7ad7e1ef5365c4c3302f
7. 0x74e1a340207edf84c20c283cae1b15e7b6d3ffffb1e61b367c42f933a1889408
8. 0x4ab6bcbc2bbaffcd78dd81ddcda4bfaebab4ef7e4f6ba092fcc67a3ce407ee6e
9. 0x6d5ca59361edb5ab7954c82b8b273e7e576daad2a5692d3b1ba97fef1f47c269
10. 0x0507461ad0f3996c7ed1e50036c084ea5d5d84cc0a082dd8688f824e00fc6a5b
11. 0x4e18f6df894eff467396bfe85f6d6b90f40522629a1dd7517152c38e1c70e111
12. 0xd75ede2689ed83bbc8980becaf4f32a77c7e05567790cd351e997bb28aa0844c
13. 0x92ff7d176556ddbe3d885e2ab73948b14a6aa3568a8fd237427d4f8415235a23
14. 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae