Evidence row 3414664

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": "2026-11-05T13:37:57.619441Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T13:37:57.619441Z",
        "updatedAt": "2026-11-05T13:37:57.619441Z"
      }
    },
    "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": "1.35.3",
      "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":"41bcf1d4774790bd6369081e1f33a3dbcdb2c981d4748c7ebc055ede65ed962f","id":3414664,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793888500481314,"prev":3396413,"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 2026-11-05 (322504 rows).

1. 0xd0a7f17a45b5a665669e44211870ece96c80a141d03f2c4f80f98db325fa3ff2
2. 0x76261f47671d30b125dd2ec91a9fcbe43a1a297caff4b1ad7d06711f33ee23ee
3. 0x5b54681b45e0fa604457ac4e9e4ce0f3d90317d97b18b97bf73785378a6f03cc
4. 0x8c0b222032f1973a56ca552cebcbe32daa77027f1bd54301fd78ac731dea8d60
5. 0xac8561480b6b67395a5a58cfca353fd5a2445145dac683add83c8d31ac1011e6
6. 0xff9d087df1a6e5d00faa47a739e503c206aaebe0ded61bddbd4d0b29c6e8707c
7. 0x857692dc4ddff752e4d8dcecf0132a0e7982132aba70600211f5732b20934009
8. 0x97ad48da4d79c3bcfa9ea603505867729eb0ec673cb0ecba005a0a556c1fb93e
9. 0x90dbd063214ed71f29b35d3aa8dba7818eb1f449134f7e40ae9e0f87dc2d4fc1
10. 0x8a5f2a30a2d459d4dd4efe659cb073e83ec1a0a6f88e169819f18d08318f3ff0
11. 0x91a8bd74f891c6727481af0c0885a44624c4b939138022b4b2dcc311bbdc03a3
12. 0x91bd302b574f2f47f478bea92d8f3fc2bb0190760da421f01fb45e47c64c24b3
13. 0x804e6e948eca536019bd5e2f50c63d32f26a612dde34a5aacd8b470d66ec51b5
14. 0x4c7b7f3f42e860af0292451afd96bceb26eb41ca5c810766a3ab2c07c3919b93
15. 0x84cc0709bdcf43a76bb38852cd824bccc42d1167214eaa0cc6f5136bc9060566
16. 0x706c875c10714e921f12357b889e8f8c61b62dcf68745f3b7e23aa127226e76c
17. 0x595efddb5b196a921c775c54d0aa541065f1802bfefb8bd003a60b16925c4b58

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94