Evidence row 3395765

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": "2026-11-05T11:42:59.118627Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T11:42:59.118627Z",
        "updatedAt": "2026-11-05T11:42:59.118627Z"
      }
    },
    "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": "1.2.2",
      "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":"eb30002fd4cb655c8420b2727e832c30120fc53088697198b005986d470712d9","id":3395765,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793881287141224,"prev":2726205,"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 2026-11-05 (322504 rows).

1. 0x5bcbf452835e220413117059a2455b28b70d79016ccf3c3d493995b7c8d79537
2. 0x6cafb70d2282ab8f4ba54dfd6a559229e2ca6717faba09dbc5df4b0066beee88
3. 0x767c5a86aaf0b3bfd2deec2fc7f3462a1487bc1fd425885cc1755fda0885ee7c
4. 0xdbb4d9919a4fa1cfae0f4b7f017df2aa572539a75171438406b19e86f7712ef1
5. 0xf5ddbb3e2b2657fd0e119b3c2c265d694f94a9ce1fa20d110792993458f7dc3c
6. 0x0b3143ddf940da4c489f901b122a9eb1eef59691e95bc013d0f8864f53dab02a
7. 0xf0c293bb6fcecc4bc3840a7d64a1fb9299de39865146ab4b113921c9076d1ef8
8. 0x30fc0bf9b1afc7c97d29d883ad3ea98cee6c23ff5bf080a91b0d5287ee385407
9. 0x9b1f522e5683267d1cd5bc1fca3f5919dc2e8d2f398ae7e325ed6479d93f5cc8
10. 0x0e0316b690a8680b4c4813a7fcb790d83958602b8d5bf0898b116aedf8ae6f8b
11. 0x70fa0aa976472d59cc076fe477a968f792dcc2bc9139d632510555a1b4a023a7
12. 0x8eb71c4c8ad22a2dae213578c05536d0e46fa14a03de40b0547c4114027d9d1a
13. 0xe87a0ce6101e0e2ffe4c6ae4b4ce479481e520c0524e7d43696e9521834ab9e1
14. 0xa2dc8f96b204e9ca3e547eaad92221ac78dc5f058c6959b821d49395bfe96c5a
15. 0xd1b826c1036e86032791eb321451282a424bfed64c08ff605cb756a1f89d4ee1
16. 0x01716548fb56e8e74ac29a1a638626afc662ed7e187bafcf089344de82365b83
17. 0xddde0b0de5219c91c717b03cab5216193dc0f26fb006aa8ba17020a71dbd997a
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94