Evidence row 45662

What was observed

{
  "endpoints": [
    [
      "web",
      "https://perceivable.github.io/"
    ]
  ],
  "name": "A11yScope",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-14T09:11:53.54568Z",
        "status": "active",
        "statusChangedAt": "2026-10-14T09:11:53.54568Z",
        "updatedAt": "2026-10-14T09:11:53.54568Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "WCAG 2.2 AA accessibility checks for pages and HTML, run locally in headless Chrome.",
      "name": "io.github.perceivable/a11yscope",
      "packages": [
        {
          "identifier": "a11yscope-mcp",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.3.0"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "mcp",
        "url": "https://github.com/perceivable/a11yscope"
      },
      "title": "A11yScope",
      "version": "0.3.0",
      "websiteUrl": "https://perceivable.github.io/"
    }
  },
  "source": "mcp_registry",
  "summary": "WCAG 2.2 AA accessibility checks for pages and HTML, run locally in headless Chrome."
}

What the leaf hashes

{"body":"5ebb0d22b4d1e3e7d8389d90e50e5c6c6a1a222fc518d8d966dce30e969032e5","id":45662,"kind":"listing","method":"baseline/1","observed_us":1793025406843296,"prev":null,"subject":"mcp_registry:io.github.perceivable/a11yscope","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. 0xe661b9dce42dcb61a2e8e8f7ce180de9e43a5323530d184dde598e5d846ea350
2. 0x0483738d52c986e58e68ab08e6c96e3d612e0580b633cea0e0676db86e7cbb71
3. 0x791e16b458980bba2c71bcff38a409267ff0123e59011e3ff0a5bb525386be5e
4. 0x84530ea7a44e0e5b5eff92202cb62cbebde4ce35eed495a9f0be1bf63aabd7b5
5. 0x9bc6b5eb6490b114dbff58755e965cb5938bcebc79a0c8797ce1425564089360
6. 0x37013da78e3db78c51ea7bf770b8872b2f40437427627f5fb82178900b82087e
7. 0x806d9c86f82cf1c7ad730a70d2113d3b05dc0784ced073b65bd5b20421eec848
8. 0x4f64d7cd03419157fb3b34ec2013113acebe48c1843e2109b2588e7ae4a4efec
9. 0x9fe574dc6e1113a716b08ccd516d89771243afddb9d70f41f17669e36ee9d990
10. 0x17252ea35c135aec37ce7f1ed706d7c9275dd2e41b9d9e8c21d84f8d686b33ff
11. 0xe9a46d294851ae0e362ab741d0ad8768d3bfeeb15a9d9fcc78aae5128fc33835
12. 0xb866b513dd861c870688f5d1a8e434b170eaa2fafb0961d6a674d452b8e58381
13. 0xafcc1fe54cfe00a3a1de33df127340075f22433bb89848bbc81499cd7aca5b2b
14. 0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae