Evidence row 3149877

What was observed

{
  "endpoints": [
    [
      "web",
      "https://code2nguyen.github.io/web-components/guides/ai-tools"
    ]
  ],
  "name": "c2n Web Components",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-04T23:10:03.027452Z",
        "status": "active",
        "statusChangedAt": "2026-11-04T23:10:03.027452Z",
        "updatedAt": "2026-11-04T23:10:03.027452Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Exact APIs, examples, theme tokens and markup validation for the c2n (c2-*) Lit web components.",
      "name": "io.github.code2nguyen/c2n",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Project whose installed @c2n/* packages the server reports. Defaults to the working directory.",
              "format": "filepath",
              "name": "C2N_PROJECT_ROOT"
            }
          ],
          "identifier": "@c2n/mcp",
          "registryType": "npm",
          "runtimeHint": "npx",
          "transport": {
            "type": "stdio"
          },
          "version": "1.0.21"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "packages/tools/mcp",
        "url": "https://github.com/code2nguyen/web-components"
      },
      "title": "c2n Web Components",
      "version": "1.0.21",
      "websiteUrl": "https://code2nguyen.github.io/web-components/guides/ai-tools"
    }
  },
  "source": "mcp_registry",
  "summary": "Exact APIs, examples, theme tokens and markup validation for the c2n (c2-*) Lit web components."
}

What the leaf hashes

{"body":"f55a957b75cb0e82e45379f578aa39009f1f439de3392308d1f29504ff5c0beb","id":3149877,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793834468288330,"prev":2586570,"subject":"mcp_registry:io.github.code2nguyen/c2n","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0x9c81453305df5e4527dd8fb777e20e9df2b485f35ed50914bf987aea9e6a128f
2. 0xef909e688dd2158508d71cde771ff9ca6217e23f8060cb5eefd49f2404c08412
3. 0xc36c84a93e31797759d97548739d74c9f9a56371ea98ccc6387521b9f98443ca
4. 0xcb1d46c63c384a89ce42a50045bf1be5ca0e28c39f48c328871dc8de294e84e3
5. 0x82e39b3d937d88dd6c067d01bd428e9eeeaa8e7220ed00c65a40c084bc0e1c3d
6. 0xba153a1aee11bd7dcda2d15f707ef961fe11c3bd241867bb5377817a77b1c8ed
7. 0x01689d3d9e5a6cc1e3e6c735d715255c6216116e4b72fc3a0e119969c3987bbc
8. 0x0af4ef2ca7e81c3c0e0c2714e97de1590ffa603dfeea9c7ec8473512a2b6c4c1
9. 0x1b959d1aef1183dc32526ab92013d02d5bfcc0f7480b4d053ea240f9a6017855
10. 0x71a64a4675f8aa75d046ad22e9374ae6416470ce40888f971f5aac9ff376e671
11. 0x29dcb92eb906a7c3d842170a099a7a8d1eaba51fa26d2b41ff57a8daf6aa39d1
12. 0x1ad5d7fdaf13500aa12eb122b89fe714d8f228e21c5da25e65f3e1e6f075dc86
13. 0xca6d7f79ac4b499566d27782a10e102f4e930498bb70ab81589def907c6f54ba
14. 0x989f4c924746011551de474bbf1291972687ddbb952d10e6d81e820171bba424
15. 0xcce6f2f7e4f40c7f768552ae3da9c9aed1be84ca300fbff8a25083a9399680f9
16. 0xcbeab7cdfbe295c259acb96245f397030a1d41f25243d4de19e7709db50be49e
17. 0x7f4f557ace8b62cd85774371e24477cdc34df4d2aa68c04511d8678e3978a343
18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345