Evidence row 3775672

What was observed

{
  "endpoints": [
    [
      "web",
      "https://usefulapi.io/youtube-data/"
    ],
    [
      "mcp",
      "https://youtube-data.usefulapi.io/mcp"
    ]
  ],
  "name": "YouTube Data MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-06T20:27:49.21664Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T20:27:49.21664Z",
        "updatedAt": "2026-11-06T20:27:49.21664Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Search videos; read channels, playlists, comments and popular videos in YouTube.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://usefulapi.io/icon.svg"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "256x256"
          ],
          "src": "https://usefulapi.io/icon-256.png"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://usefulapi.io/icon-512.png"
        }
      ],
      "name": "io.usefulapi/youtube-data",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://youtube-data.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/youtube-data",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "YouTube Data MCP by usefulapi",
      "version": "1.3.2",
      "websiteUrl": "https://usefulapi.io/youtube-data/"
    }
  },
  "source": "mcp_registry",
  "summary": "Search videos; read channels, playlists, comments and popular videos in YouTube."
}

What the leaf hashes

{"body":"42169ba7f7c57239705c355966fc4f15331db16a0f5985a9ca71152075fa51b1","id":3775672,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794000220915138,"prev":3765398,"subject":"mcp_registry:io.usefulapi/youtube-data","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-06 (303443 rows).

1. 0x406ba8bd8202fb3e405b8409e9359230192dcb7f2fe173b40a35b3ca639f5795
2. 0x9c98066d6253d86c0897f083887559bf1b67308352693b4bacbccb07dafd13e3
3. 0x41a9701306f5cd2da9e2b1490466c87269676e48044163a8046d56c8ea15dc67
4. 0xaf1bba3872df48ccbd5bbc1a9270c3d33f8d3e3811d8995ecf86a59adc1dbb3a
5. 0x9bbd621aee61f21d4216278440c7dc8e3f5e65b7b441f8acbe420fcec4b6dae0
6. 0xeceb254b04f08f81b6673a3ca1398fb24416a4c50f3a71f5f6a784fc5146b599
7. 0x68a3ebd8f5a728d3286d227dcef0fc63cfef471b3b440f48c70ffaaac434848a
8. 0x1c88fea008e3e04dd4f4e159a0ae21fc37dea846051661f425107c05cba70b77
9. 0xb792328965789b74fbb4f526c656d6af267b3463c8280b08f136c0bb9aee5ec3
10. 0x18dbd7035c3e82f15e8d374d474e7680a6288499df9a188deef9b4f6e958325f
11. 0x6c4e45d5c03005a36e313dcb6a96f6d2438a86bc73216e24a9d0f3323aba9480
12. 0x114e92783a688de869d7c04ece5527b7fabc81ba175ba6e2d5ee5621cec84814
13. 0xdea67765485b7f8e9cfd696a7b48f8329881cd7cb66c12d7580fdc33ae4e6a67
14. 0xfff93ce218f4539f2d354235d409dc53c9f6102b043c9da7a4a7f0fd9c804d4f
15. 0x3e5703f087c9966ff9f302cea33450db9f9fde7cafb8269b22ded1b2a3da03b0
16. 0xdfedd18f60be5438b67a88cd42d31ead60bf5dbfc8d726e3d83be13474b3bd3f
17. 0x4a618d78b1cebba8beec4ef22aaac9187dcdfb39064e0be537ca2600abb90740
18. 0x119743aadcddb571b28b442b62196d4a0afc4e1c9979c2d477d34fcc9413deaf
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1