Evidence row 3396437

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": "2026-11-05T11:42:59.043081Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T11:42:59.043081Z",
        "updatedAt": "2026-11-05T11:42:59.043081Z"
      }
    },
    "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": "1.2.2",
      "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":"8de9a6e50512ac416702815ec40afb8548c5e4eca1a6f6de676549abdc647372","id":3396437,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793881291628795,"prev":2726870,"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. 0x3d06e866b1c0e2168e4571e1d88b2bcc8745db72bef1254f579d4763ee34f901
2. 0x20e5d876de89a500781fc220fa2d1a416605adadf4a01f4a2700d24a4ab9598e
3. 0xd6a93146d89f3cfd6992b579eb2ff9ce820ae5a6163c48634f85dc8b1e443127
4. 0x2f1a439363b94f33f1e36dc839e8369cc3062dad434f0d0ebc4bdaf972d48e62
5. 0x19fc6d1187b310970412682fce54a8e2ed5556e31b8b498f378a2587d83b621b
6. 0xfc74927bbbefcb42cc4f34a2a9228b1dae1316451366a462d461109495cf2d6b
7. 0x947d104bf852fe974737ade5b7189752080b1d2d44d99003d3c2941f3fa7a236
8. 0xc770491a0d32277a09dd1b490ffea784e91649f80b5b09672f7f8624373f7788
9. 0xb4d84af8feeafc0f00135cfaee6aa85a413994e86ece1d8b5fb6299de30fa0ea
10. 0x77d79aef2b7e6eff2d9822a6d2702df66a3e21eef0988077e30450263d31bd0d
11. 0xf05eeb11401b139fe2f8cd6af784d16213b66edd52eb96eb218b0ecfde338e81
12. 0xb4ab5664816efb056d24d86cdc1d34ef82792d87c0429b2d9c7ebb016283fc27
13. 0xa5da0afc5429c60593af932df925cdca3eec2111f5c6c83ad41ce1ce75b4703e
14. 0x3c16643790e34c8c5649fdbe53776c476af90f18df9b0c0b294e98a29e084878
15. 0x883cfefa109428dc814deb63a0effe3eb85b3c5ad64045af0b1fa6d33dcf77d1
16. 0x4014adbe7dbae4fe239da4c4dde0e45d23e85623794ecea527ea1299bc689d6b
17. 0xddde0b0de5219c91c717b03cab5216193dc0f26fb006aa8ba17020a71dbd997a
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94