Evidence row 3414015

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": "2026-11-05T13:39:09.865535Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T13:39:09.865535Z",
        "updatedAt": "2026-11-05T13:39:09.865535Z"
      }
    },
    "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": "1.2.3",
      "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":"08c4156620456cde16ba071b870a7d17e3edb4af8b5899dbb3539cdc0dea51f9","id":3414015,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793888495082725,"prev":3395765,"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. 0x0b4daf9e33730af9b8acccc9ee8487082aed232a9ca923cf1ba9983fa5185439
2. 0x514f5e8d388ce4ffb98439ac3755fcf93c1ed702dce21b95cc49e7e15f832dc4
3. 0x1a14405de11e11ad40136007e7f1941240fe69623353ed5dbdfa8c05a1d6bbbd
4. 0x9801266d7713d55100bc55b6ffcd6259aad9304ddbbb81cd8525fa83c326efd9
5. 0x4cbbc9f12283d12adb6f2bf3285c2dae426a9fd0be0b37524376ed49a2887c80
6. 0x4caa9682658f3f83ee86692e8a865e6561557d0b7ddae29824fa94a6b01e9e39
7. 0xe64f16fd6cd725aa7b4399aed76c20cf372492dda247b8f873d5451cb77f9456
8. 0x9fa4627356f50018ab6249e920a2b25c3029e81633ccb6d9d3b89ef74c31a998
9. 0xc6fbd5ebdf0d62c65911c0769c6074faa4f03a3e002c1fb0229c1d2bfd28d3cf
10. 0x22adc9fcb0b2051a456acce17aadfada514afb6c43a66f887329bf05bed82bf1
11. 0xe93d8285cff17f662246c32260c80cee07341bb66fb81206ad2a9b4b109b132c
12. 0x7b33c22939ada917b6c298785f7c262dc95cb2cdd650bd663cdf8f3c010060e2
13. 0x0eccf005566a946e87370e6cdc4356134609686ecf1f73853d1845f72924c444
14. 0x924ef10862eab699db4ffdfa0404c082419cb11afddb61472cc8712ed66134be
15. 0x1ab38dbbab3f77cce8d03cd3f8736ca62b04c689538a6118189885b5d1be29e3
16. 0xcde4d0d0f64b40921f36a3f07dfe9c7256f1d0a8925aed414788c614314b871e
17. 0x0cdf39687556f127f9de2f03ec7df8e10e613bf9487760cbe3eaaaa02d8d48b4
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94