Evidence row 2546246

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://bigmarker.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/bigmarker/"
    ]
  ],
  "name": "BigMarker MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-03T07:15:53.086332Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T07:15:53.086332Z",
        "updatedAt": "2026-11-03T07:15:53.086332Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read conferences, registrants, attendees and recordings; register and cancel people in BigMarker.",
      "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/bigmarker",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://bigmarker.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/bigmarker",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "BigMarker MCP by usefulapi",
      "version": "1.1.1",
      "websiteUrl": "https://usefulapi.io/bigmarker/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read conferences, registrants, attendees and recordings; register and cancel people in BigMarker."
}

What the leaf hashes

{"body":"55e524dba3971a689f3de07769bb02f4bc88034aa8db562c17eb14e9967b1426","id":2546246,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793690345021821,"prev":2130022,"subject":"mcp_registry:io.usefulapi/bigmarker","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x151bdc3f285ef1c4300ca2775ebecfd4b5e9f80e9781ff2d057d80a3e01c31bd
2. 0x4306dcc9c39b522e51ec25410f11b8d38cdd359e7ab5e841e7af74cc03963a3a
3. 0xc2674921d4d10cb2338bb62937787b41e5377db736f58ef41c15bc30dd383c15
4. 0x9722d4ab1601095d2104bd21f4a5a5f33952089cdff993c31355cfd877e817d0
5. 0x0d85584c90ea152ca8f4efa6c73b602e0ee68d6eb6059b37087496b689013997
6. 0x4df6d20894b5601f703922f9f49bda98d171c0338cdb61fb971bf8bb571a187f
7. 0x448fadcb37da1639f99611bd7df22eb5bf4c5cbec21e97bfd5ffc0fbec855e63
8. 0x8fd56b39c098ac6269abdd44fb8103e836b2ce175fe64eef0ac688836bf5e960
9. 0x75d04ac1575a3d7b8f62b14ff4503ca0fe08cf878918e1bed255d9affcdad4b5
10. 0x8562cc0a95d2b405a5516ee8167fa2d9826284842f094151e2a0db7177cf5888
11. 0xe9d29cdbeacc186699d72091b98040d20da2aae6b1f79afe6645602df098cc66
12. 0xe15c70650151d1a9f4a6edb53831913746371589cf5b5f913ee51abc12496628
13. 0xd94722bdb41527c7e86b71a63a94e4d4ae1edbc11a8300cc2dc1910b8fcb0a51
14. 0x66e70e2e75d77163246a8096eab56d11301f21ccfe90f151078a58d2560d35c7
15. 0x711583ccee5cdd04f5adf1bada00491547d886e40ddf1799b012e27be2a663c2
16. 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7