Evidence row 2130022

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": "2026-11-02T11:23:51.402907Z",
        "status": "active",
        "statusChangedAt": "2026-11-02T11:23:51.402907Z",
        "updatedAt": "2026-11-02T11:23:51.402907Z"
      }
    },
    "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": "1.1.0",
      "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":"1ad7a2bf0f701601bf2aaa1668cb36b38b902e8a7d4c8787f9d61e48b711476c","id":2130022,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793621908431704,"prev":1828790,"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 2026-11-02 (444186 rows).

1. 0x8f04a44d5464ca63523a31a6e3d2be4d85880c4b296ae3b431c85ed728b63eff
2. 0x5971053caec938e92c65610072bb259179860733bc5c8fd2dc3599035671642c
3. 0x014b585066f72ecc8f3034471097992abf92db5ac35f7dd392d48641a874c56f
4. 0x12cd63436d115080dbcb669464d9faf1d43f6ce75ee5d23f5dad6c0f89cf8306
5. 0x3019e001b89d8497265194b5f18879b34f9ca3b2ec0e75ac52c61f4c3821ba15
6. 0x18e0280ce084abf913b4cc12af44f1723322c5436c5cecbc5d75917b1eaace67
7. 0xa1dc01aaceb2feba70d711837a062999cd80b53ec892b6a5bdeca9c97bb4e066
8. 0x975badca55bf07ae35da0af4c8170969ebd0a7bf186533bb2acbdececd7a8609
9. 0x310d95b485c6af5f421691f1751f507c819e9bda762dc09f817067c40c154fac
10. 0xb56f8883b10126f672d30e05a34a02aae8c3f97c20224cd5b1badf47a42ae8eb
11. 0x2f63c8966fc2b671d4c4115d1d87977e70b5c16399390b231817b1ea38ec0442
12. 0x0a1171d423b8986d66fcb09b500ee0cce0433114096ff8bca257f6b3431db17f
13. 0x8e26ae8a6fa3c6baea1cd4108668ed189b835a519376f35f53b7ea9cc4800a95
14. 0x3f15e4f2fd3ab4091e7284edf8bfed23163b8ef6b0c8fdbd458a498a9bb35a32
15. 0x5d92631d189bd0292c27a05f85a5ec38ec5f4197dfe4660eb991dc6a511e25a6
16. 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af