Evidence row 3775629

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": "2026-11-06T20:25:28.086658Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T20:25:28.086658Z",
        "updatedAt": "2026-11-06T20:25:28.086658Z"
      }
    },
    "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": "1.36.2",
      "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":"c7a92b153b8a3fcd2670d10a220a131022bd75a5b580f18d4273ce66e51d3685","id":3775629,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794000220203009,"prev":3765349,"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. 0xb522bdfa2627e3099f6d887f50f6843693b3fe417470e0182fb178816f27a2ad
2. 0x550af2a55aae9eaf1ddde5e55d298974a983a83a1754c3fcab47be29f6f45061
3. 0xf2463a5e48d8e63264d60b93ee1fd219bd5f9f013afffc7b3dd1e2f4ca92cb0f
4. 0xd22916d28cedce176c8bc1efc55b095a463333049e74b735adef5c87438181b3
5. 0xc7a4252c311ac10f6b877789570accbf31b284e12039260b5839a73ed31e95eb
6. 0xe533b4b691a2748bffec0a9fb83ca6cf55bddf9b444f9800c22dd6006c5e20ba
7. 0xb992f52de48f47af11b6862b5d8b5d7c772d81f926484ac0cc6fbc908a422d88
8. 0x7b2b7d4c2167966b3e2c18c8f2ba417aee438abc9b1999f5dd15ed4ce444ecc4
9. 0x9500e5bd6115857ab7a6511b0e1e6480af02c2d21de7af71cf85b306ca5bc2b0
10. 0xbc4fe719e0575f75e3e7d59383998d7a3161483253f2b6df495e8b690725f4a2
11. 0x6343d56564f6a4a3cc29aa81db6eda6a9bec4a8aaf00b62ff39816e787165e25
12. 0x1f058d0a17e09fdc118677165737da8ada041ced73951312a3c0c854fe419a32
13. 0x87cd1069c1edeee1d6a118b845c86f7e5e402d611f73a57624f6a6bd0a0a94f6
14. 0x8d5a032f475d5b910fafd32cb58c0d727d8f470fcc5d6ced065d044bda372ee0
15. 0x4e2c85f79c29b95d6dfb888e9d12396c3d7208dc05aa6a6d68fe77cf5be30da5
16. 0x4a5b4dca6c638b7872bc6485359586bebc62511ba2776f1ea54dfdaa4d1a511b
17. 0xf19d501fdbc28e10c3244253daf0c37c4752659eae14a7cba585a18c7df9ce0d
18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1