Evidence row 3764474

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": "2026-11-06T19:36:37.58715Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T19:36:37.58715Z",
        "updatedAt": "2026-11-06T19:36:37.58715Z"
      }
    },
    "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": "1.3.1",
      "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":"d79e29827c521cdcdfcf07c0193c53be0b3dbdb006e7208c4ba93ae8ae99a0e1","id":3764474,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793996587778059,"prev":3723296,"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 2026-11-06 (303443 rows).

1. 0x3ca45004e16eabc47f8e0e95670604c8f2fe60923060df9ba7e9cd1a57ddd7f4
2. 0x1d9d585b0338fc33b33665413f9e919f21939149393732096a8bfd19a6840298
3. 0x695ad29ba247c56b69696a4064a699b3d8fc87cc2030cad5e7580f1a6369e434
4. 0xdda0492df82e554636139f3f2d3e96a3d13f12dc7989f0893460a71c4dfd5e3f
5. 0xe5c19aab1e85cc90da8aa8d304fbea3c53d8c37ab4a34bd9c9d52d74ab5a0695
6. 0x4d716173d780f92e5f7a16fcbbd944727df37bbe996eba0640c731582ef74ecf
7. 0x96fe109f9000a8fa1ebda95c1b6ec0c2225f24b030892d3e313e67b043c42b42
8. 0xb3a0581417d86b436bf681739e3a2a76be0b3cb205034c0fc610c33a0574c4c7
9. 0xfcfdbc532c6f7e248d9074af500a2c34dbbfb28fd33b8bef59f7e6c69f7a8cca
10. 0xdf2214315445aa1e878384d044203176fbdcac0633ae1e957e83cdb6352e75b9
11. 0x44d5cddf83287b6afad97b358e56ae5f284efd070741d14ff54a4cfc2fba5533
12. 0xe0e405f9a25f4ec3d02a0461bb89e10ba7293f26332258e1403195ea6f544e5d
13. 0x59bd144c9e7342b3df8e59fc9509435c9555450984e97fefbfc08702bdaf57a5
14. 0x0391cd09482a72b233cbeae67d3b018b52668bdda462ad6890dcef531af5784b
15. 0x3e5703f087c9966ff9f302cea33450db9f9fde7cafb8269b22ded1b2a3da03b0
16. 0xdfedd18f60be5438b67a88cd42d31ead60bf5dbfc8d726e3d83be13474b3bd3f
17. 0x4a618d78b1cebba8beec4ef22aaac9187dcdfb39064e0be537ca2600abb90740
18. 0x119743aadcddb571b28b442b62196d4a0afc4e1c9979c2d477d34fcc9413deaf
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1