Evidence row 2726205

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": "2026-11-03T22:30:47.47591Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T22:30:47.47591Z",
        "updatedAt": "2026-11-03T22:30:47.47591Z"
      }
    },
    "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": "1.2.1",
      "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":"d5e2e5b3a044fe1cf94caf82da0b7d31b41809f922dea8ab2a8e4880b69e16fd","id":2726205,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793747991040727,"prev":2564351,"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. 0x8310cbc8ba437813db644f65264523a059cdb28037a89547380c1a51bff354a0
2. 0x1c2a1e68371ac07350044bdc39aeaabe9fc4bf6c38103f6a3f4f365d081adf88
3. 0x72c0b6557b5434aae98b9af63bc8d17796e00d58cbea514bf772da4ac91f3c39
4. 0x752e442c7eb04007b134300a6fb3425c260f87a4cf0e54a545b4e3e4c97c9413
5. 0x352c7aabedcaa0689b97b5dc22e5c185371984017332d4d14af1e2aaa5956460
6. 0x727c24d0765bab26935cf7b6fea1343aa869cde8983501253819a2cdd4a12fd6
7. 0xa6d1e8f7b0f724a05af93191f03b50bb9cb19a0a2d5117c4bd42edb15f33863c
8. 0x45edde651b1b9897a0173140ed393abd6be7e5e2dd95e82c02eaf7c1c22b9a04
9. 0xe91505d86b54322b984597808bf2d2b91284007d080087495bedde6c82eb6bbe
10. 0x285859d92805c9d1e6741cc44c9f729707d1b64a4dceea7c384a0b41e0445979
11. 0x1f220fece15b15879a7e1ad5e8cb51abf7e8d63ba0106281b0cf3e240e1be460
12. 0x309576acb6947379790a6ba6d95e16f9963844fa5ad432e6da539debb5405a03
13. 0x4c1bb7805c28c99914212233f31f3f9b3d39ed6d0209166fbe8eb2e894fc9168
14. 0xbee84d3e599fe34053b7031286879fa3c8cfb9cc2a5d0992b542033701205b5a
15. 0xd7fa57d9cb0ff551366a474cfe5dd932be199a84a12f0b57b253725627acf8dc
16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7