Evidence row 3723947

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://updown-io.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/updown-io/"
    ]
  ],
  "name": "updown.io MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-06T12:08:33.714072Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T12:08:33.714072Z",
        "updatedAt": "2026-11-06T12:08:33.714072Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Check updown.io uptime checks, downtimes, response metrics and status pages, and create checks.",
      "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/updown-io",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://updown-io.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/updown-io",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "updown.io MCP by usefulapi",
      "version": "1.35.4",
      "websiteUrl": "https://usefulapi.io/updown-io/"
    }
  },
  "source": "mcp_registry",
  "summary": "Check updown.io uptime checks, downtimes, response metrics and status pages, and create checks."
}

What the leaf hashes

{"body":"e18b23885c2a6b08768c3edb258b7d0192a77d740b311fc61172511967037f2f","id":3723947,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793967742522988,"prev":3414664,"subject":"mcp_registry:io.usefulapi/updown-io","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. 0x84719c884a2c1022cc8231d20c06e2c8175fe26678487747e63e8cf74109d921
2. 0x39420934273046b30d6a98246c1894a3667bf61714f2636507e9a42fcb92387d
3. 0xd9e904694d8d2122b9d4a757a99a275f10c2c141cf14eee3c339c38076f78819
4. 0x672f43e14bccad56611bf37fd1f10ffae613fca90ed8d7bdd21d5c9c3387c819
5. 0xa725feea4cd17814b3d9af201779170957f922a401ff8311981bdb114df57c23
6. 0xb727c1243059aa980cb3d01b51b10175708cdc55b381c45f4f32e386ea9c6b2c
7. 0xfb993ce0de332c26f589180d1f2bf09b094859ad28730767df08c6fd7bbe55d6
8. 0x6aa51e09491195d69656e3afdf3b1ff922bbd8b5cbd6b35b2399e332acd42df9
9. 0x7dcac4fd84538ab0c88ff460a8314de4feaf541a67c564c800bf9fa8d1770133
10. 0x2b4bf184f3cd3220747141c15371d3fbd8a7d01938b043823bf1058c44f4e8a0
11. 0x4537c6acde3b8c93a777d4d4d74e52c5e42e763a110b40a1174eb7d6e8379346
12. 0xd6c1915e797634e525bf1402ef3e901bdb03d544dcc28aae8ea8770dcc28659f
13. 0x4209c39fa0cabd462a9fdb6f1aa333a43e88caba97ae99e1bfb6a491dcb250e9
14. 0x1603f9c33c35ccefb72fc33655d873fa8e090c77e8690f54f34f291f55d977a8
15. 0x4aa18de7ba70c1384dfa5e9fde2ce72817bb169f51aa0c98d197468e304aabd5
16. 0xa020619e8f130eeb03f3c2beaba0422017bd8b95688ddf44db1c31cf0fd40a6a
17. 0xe98c6c6b56a21a2fc4c1edfe2563812e690a6a4336d11aef772ac1799d1ee7ca
18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1