Evidence row 3765349

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": "2026-11-06T19:34:43.843667Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T19:34:43.843667Z",
        "updatedAt": "2026-11-06T19:34:43.843667Z"
      }
    },
    "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": "1.36.1",
      "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":"c94f0e16f85af70d6abca371575e918d616007f741e0350e8404bc8e6b72b2b9","id":3765349,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793996606947455,"prev":3723947,"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. 0xaf69c442862ceb7ca3e0eeabf5cec9160d2e2af77b683cefebb96e4e37260b9c
2. 0x637f9416b0a7a2c170430f97bd7b65817df1ac19efe8db3bba3b9254306283d8
3. 0x8fc6225dad9c07c18f6264bdf0129f307e8f94ae611e990e09b5ebbc1a916bdf
4. 0xbffb672fbe135556d78163b925f02a63a61c41ea384da7d04ca0571bcf77ad88
5. 0x2f99018068ef3909f882a50c09f48603518d0c41f81a83a19ac757784bc611bd
6. 0x9e9477e1b37ae5005bc03371e7add25d37758a240d3c49631972b313266a57e0
7. 0xb94553f373738e4911b8ba575442e91a42924d431b25181da138ce533bd75436
8. 0x8375f9c6ff2c5891f3fafada0dfb7b391d923b8fccacd89aa934ec218597f319
9. 0x79306e21e526debedf280d0c432ebb7f911ae05aeba9e0d07c5c3267fe44faae
10. 0x3c57a7975227235bc86eb2cebd293c0862ce733cd4ae485be24425be6854518e
11. 0x75ed29ef7809e4b0368872aee5a51ee6af9c3de689c16551bd4efd736327547d
12. 0xc0031e146824951be9730d9b7e734514d85543d76806f3c171739c965bd42c04
13. 0x7d0d3aff5cda93ee535a719badb539fe6d893a3c61ecfc842ea162eaa2e80b57
14. 0xa99b1ad6330601889770030d23b9c5dc19a1695efddee19df6debd2cc7c017cf
15. 0xb12c082ef1a62be55def66eb167199a0d5bfcaf36f2f6e389298bc918cf1b0bc
16. 0x4a5b4dca6c638b7872bc6485359586bebc62511ba2776f1ea54dfdaa4d1a511b
17. 0xf19d501fdbc28e10c3244253daf0c37c4752659eae14a7cba585a18c7df9ce0d
18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1