Evidence row 3774968

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": "2026-11-06T20:27:41.887022Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T20:27:41.887022Z",
        "updatedAt": "2026-11-06T20:27:41.887022Z"
      }
    },
    "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": "1.3.2",
      "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":"d89e87d901e0562f3494a7acced270c17c4956a2dad9f6a0c14dbbe883bc926f","id":3774968,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794000213633513,"prev":3764474,"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. 0x1c91ff3999acdb9580438f89bd539724037958fff3b6e617cb3d6518bf3ffb0c
2. 0xda2c988554897756d3b42d28310ef0e43b0963b7c63fa9d15c80ffeea01a6a05
3. 0x751b69a943afccd56c86bdf5967956040d8d1ac93f99ae32751b0f27ffe6d66b
4. 0x1b7e8d0a2dd0101b430bcfc55d13128471fbb512e1bb084d7ca52939a69f0af4
5. 0x64a087de83bfedc80aa5b1dceec6cb3d59de32f1b10ee874e6ee01d5fd37f20e
6. 0x8ada44c39122b73ab27d6bbae2cc07616c5b1772327f46b3abacd9f3b8799863
7. 0x03f671a5f4251bc2c035e0edc55393cbb8a5977526cc4a3d5d51ab2aa57b7cbe
8. 0xc0384e7efd43d913377a6f725d0928ca5e68c445263c08e36b32a39658f75556
9. 0x758a5af13c3ce7f14f0a3fa35f8fb7579099f4108a756311135e5e5bf7816690
10. 0xad43840005411e415d7c7c77c59e3c1e2e8cf5e60cbcbb5682a5c7f6df00d67b
11. 0xd407623bbdfde165f63266b5e36fc51d9b5e6719c94886a07032557b7cedfbc8
12. 0xaf7882d6e7a1e47cf46b4bc66ae4195ab3c7529ac43c3b1210039abe9df71610
13. 0xad6313ea8c1aaa1c3253abd3203b070e253b49b4d718f335b5b05b375854db89
14. 0x81d6ec63cb4df174d42a42d72162141e82dcafa9c256793b20cc12205d8d389c
15. 0xb490b9bc961e5cbbfaf890e393a2eb3d2518e080e0a107acd232486f34cf7408
16. 0x0aaf291a2ffa2205e7df7531bf36800e377dfbd67208da05b97625f1cc49ce02
17. 0xa448dc698494f795f2240c0e7070e8a93eb263baee21ca4185a7d03432a614d8
18. 0x119743aadcddb571b28b442b62196d4a0afc4e1c9979c2d477d34fcc9413deaf
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1