Evidence row 810926

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://rat-radar.github-a18.workers.dev/mcp"
    ],
    [
      "web",
      "https://ratlabs.tech/radar/"
    ]
  ],
  "name": "Rat Radar",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T21:50:55.25269Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T21:50:55.25269Z",
        "updatedAt": "2026-10-28T21:50:55.25269Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Ask before you scrape: is a site open, may I fetch this URL, and how do I extract a page. No key.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "192x192"
          ],
          "src": "https://ratlabs.tech/radar/assets/icons/icon-192.png"
        }
      ],
      "name": "tech.ratlabs/rat-radar",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://rat-radar.github-a18.workers.dev/mcp"
        }
      ],
      "title": "Rat Radar",
      "version": "1.4.0",
      "websiteUrl": "https://ratlabs.tech/radar/"
    }
  },
  "source": "mcp_registry",
  "summary": "Ask before you scrape: is a site open, may I fetch this URL, and how do I extract a page. No key."
}

What the leaf hashes

{"body":"5bcb4af0e9a1423f81a2120484eb449b8cf80c5bf7db71713e9b94e5d2937840","id":810926,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793225556408921,"prev":null,"subject":"mcp_registry:tech.ratlabs/rat-radar","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0x581819d20f25ea9e96b5c9e66ccfa9273d8091a1d1b32b5f611bd5983d03ff18
2. 0xd3746b4efe2965f3c7ffec00c5012f7ad7af3684037e26a6f633f082f884bb63
3. 0x499c5e0939e1502a970fbe5a29304b4d5e6ede2f1779b581b8f6ea2b0c439981
4. 0x90dbe96dcf9756b1afac578d2d69fbf14c8a9075c07fe7fe0769f9160514e0e4
5. 0x2a7560757a3d0e58dfd52ae78d9b39fa0e53e04d38da2b9f386865d8f848097f
6. 0x4519bcc332e96521eaaa70d844964734eb19d8183c1c9e4952fbeed39a68629f
7. 0x4c2e5ad1838a6c8995d930e58a9e958a0d10429afa8d1daf2cd6ff8a36cdca1d
8. 0xef6df3928812d5e090d14582725a824f61c05f7f3358b431cbe79ec20045ba95
9. 0xaac0a886224a2aee39f7d36bab3e22ab240819cc810520520ccdaee7220e536d
10. 0x79aeb03d93844497db0206eb253f261509a48063847aaebee81441b019c61eed
11. 0xd4fdd12e45d7d3d08e55358e0ecd8e1f948700d8404b869fd0b72923a8eb9499
12. 0x29c0b86202f725ac4ebf7c0aa4be205eb15acbd8438a1fa98dabf039c03d8423
13. 0x747b66449975a0df45651472f6b4ec3add89070bb7da2008f4c0fd91a8f59b2c
14. 0x4a3671cf60fc2b873faa04c5863043b075336ef59080ef23af50811e899402d0
15. 0xd12637e9c035a4c3a66d0f0436dfc7bf3f13da4d17ea045b647d9e9beef1ef11
16. 0xa99a40fe210d675bb6ab72d4bb72ab40eb44ac345773c457fbe58e67a47b03df
17. 0x7a743a0a09057bae687051274e1d45bf973bd36a1a4ba16a191b5d29e3bdfa2a
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae