Evidence row 581643

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": "2026-10-27T23:37:19.741267Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T23:37:19.741267Z",
        "updatedAt": "2026-10-27T23:37:19.741267Z"
      }
    },
    "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": "1.0.18"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "packages/tools/mcp",
        "url": "https://github.com/code2nguyen/web-components"
      },
      "title": "c2n Web Components",
      "version": "1.0.18",
      "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":"6b96d3eb315720c14f0b51d19d3d047aa0497442a24c76900f6711180652de23","id":581643,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793144466751232,"prev":35001,"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 2026-10-27 (273461 rows).

1. 0x69cae57051f42fdf5b7e1cf531a25f56f0cde15f2cce0a5267cc889f1d450f63
2. 0xbcf98efa20241232e13072129c5df321e653354ad18f5dfba5ec15b88f68ebb8
3. 0xe634db30cdd68d6e86e18d9b2d14cdf8b102852bc4a82bcd3a52c265366cb5db
4. 0x3aa3996c2d7e2bbb4091777188fa59c069bd2ea7a2de2eb4409cc9ec11c10a66
5. 0x05a49a2d67d145ff6e7a3d59d93d448dacea1e35376dc3294e51d3d928c8cad9
6. 0xd5537c1ee68ea4d5d5e9cff66fc2e6848c76550f7554181e159c5c8d9f6efdd7
7. 0xf1da24b482ad09d5ef03523e3b4d4745f0b1fde15538af97a8eee90f081377d4
8. 0xe0e4b0325dd6e84bd7fd08b6bcd512651c465848c18a84bd4000e4963b67cfbd
9. 0xe8ddd199b9b6ea6339f7b84ff318479cdf3301ea1f69705b8b8ba88fbc216d71
10. 0xd8ed49b8ff5e7eb9db2e92c0988c1cfc7822e5b18295d58b6d83d8e88d36aa8c
11. 0x98e80c44f12e5fb01e0f3d2f34b9faf2a92e2bfe37bb91dc6b8acc6dd7effa3c
12. 0xff1b653b4de97259c183e79b75886676f24cb64cb6bbe1a90b1639f9b46e2c0b
13. 0x927616fada4e04588c09f6e02e8f6e3a1351bac8355e394da3bd0bf249a5c503
14. 0x3c5462812bd2f841e3d7deefc01555f18262fe5e0d5a7eb155330b7a7cb0388e
15. 0x6f00f0da417f4126951ba8ba9b7962c847e91f5c61364ad9ad47e5f979698a60
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4