Evidence row 3414688

What was observed

{
  "endpoints": [
    [
      "web",
      "https://usefulapi.io/webinar-net/"
    ],
    [
      "mcp",
      "https://webinar-net.usefulapi.io/mcp"
    ]
  ],
  "name": "webinar.net MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-05T13:39:09.775071Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T13:39:09.775071Z",
        "updatedAt": "2026-11-05T13:39:09.775071Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read webinars, schedules, registrants and attendees; register and update people in webinar.net.",
      "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/webinar-net",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://webinar-net.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/webinar-net",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "webinar.net MCP by usefulapi",
      "version": "1.2.3",
      "websiteUrl": "https://usefulapi.io/webinar-net/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read webinars, schedules, registrants and attendees; register and update people in webinar.net."
}

What the leaf hashes

{"body":"3ccd9e860d1eca917ca406f85dd491c3ddf4a7bb1310a38f9ee3abe04a17e84f","id":3414688,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793888500548612,"prev":3396437,"subject":"mcp_registry:io.usefulapi/webinar-net","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. 0x80ef76a750e1deb29f3eddca3207e6d91aa12369f6c809416359bac200f6c8fc
2. 0x96501fd1fe53680d655e6557055bbac0e6c6270a3a21c63ec859f8548f123347
3. 0xc0f57cf17033cfea06d2b626e2ca588f3402be1a656c7b5d46dc8c7a933ab3fd
4. 0x79ef727a1af935f11fd6136d03731ca72dc829708090b573732d684808c26ffe
5. 0x37b6870ede5e5fef708f7738d9ef79de89913bbe0a9d8de477ff3ded7a3fb0d2
6. 0x2d7104977d589e6a2dd17cd6944428941ccb6742889abfb05c1cff5e329ccd64
7. 0x2da3dac8e01123ade9acff3ea84f83fbb90d078c32e23cac0d7121ae323bf4d0
8. 0x2abfd48499a5033d43744c3d97b321d7c128041ca3a983819739f32ed2a9c5a1
9. 0x46a2949540b091bf6056b276472d9ccf4a1a427fae5fad7a2c6ba60e82b54866
10. 0x37f671a2d340b414869336c3124b8e7bb1b9e1a36818f83dcbcbbea0a90eabbd
11. 0xf3e2745136d44ec533460f0524cfaf496aed66d427b4749e368abde25b8da833
12. 0x25c183f475130e0b6d18e442ad73d666b884cc64e5612d16e438f73b3fabe5ef
13. 0xaa14ae51677b7e8e36fb7ffd64bf2b8756793aca5618712111adf6ee9b1f6bb4
14. 0xab8d9c6e2bd5035f3d9a605a747d989051b8ebc54de7e83559f48ede8a744991
15. 0x644b3663b447930221e9fe24f9d97eb640daf058f5ce062e43895179e35a3628
16. 0x3b5d12e41df15017099876c1435af6ce1c7a30cfddd96040c3878ac62de1dbc3
17. 0x7e5b4628b4269525ce0744fb873651b9d7be5748de44b7e6b858af09c7e30bd8
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94