Evidence row 3723296

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": "2026-11-06T12:09:57.277958Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T12:09:57.277958Z",
        "updatedAt": "2026-11-06T12:09:57.277958Z"
      }
    },
    "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": "1.2.4",
      "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":"8e3e2dea6d343905d4c3a5009de0657a1f1b73a54d7bec3e7b356fede8dfeb97","id":3723296,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793967736447825,"prev":3414015,"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. 0x55f6477006ecd3adebb62c0f89b8559e47d9e2becd487756a804faf46746a2cd
2. 0x4d202f044cd52ff3b8831cce68b5e3fc1edd42b0836e6b36be7981932dc21550
3. 0x0821a5f292aad08a8a7922126ad65d71a1c7b6115582467aa11a14f58954e0ca
4. 0x1398ba7cabe51b170a32bb23fbed7da9784d2d945303ae5b37ee3b35b3f55811
5. 0x11dac5030b2a1036b262efa70619b1495d85e98f4eee5af853438bfd0a7dce0d
6. 0x3b6aafd094958a8df5cd219891608e59f0ecc0f768a13f235186ab8facdb0fb4
7. 0x78342e5f6544024b015ccc4f1d78fc930d4ddf33bace5e3a6489ec77006a5773
8. 0x0c2c5f6b8f48e3bcf738a51dedaa7f4381d6287cfc5378e560ccc773ee04457f
9. 0x4e1e338da2dae0f359676dee119cb1ff3961632fd9f73ed878c82c0d2c31c7bf
10. 0x9d33675177380356e097daad35c96f8c902a2a40fd77a63fe52c4392caacec14
11. 0xa2d71566afc69017f989f4ade963c4e5c7866bb74710e3230279e8ce15b315e1
12. 0x4ab3d4a5968d0352e2cdc0092d87a1bf662203881f1f3290774a89b224ab3d72
13. 0x55e8d440db2afafbd56e4dd36f7b6f5610d736995fc1c534ea6b0a3d3f9d5659
14. 0x7abf7584949efd3b63bcfb8ca39ee05f7142b48c7862889137843da44a858a72
15. 0xf5bd84a61225f062ef205a5e8dc4f170a403665fdfa49b2b923457e0386f3abe
16. 0x7a2e5c8104eb5015bfa08d52a9278aa0b4da48bd2fb98690cc2d1c225b5dc691
17. 0x4a618d78b1cebba8beec4ef22aaac9187dcdfb39064e0be537ca2600abb90740
18. 0x119743aadcddb571b28b442b62196d4a0afc4e1c9979c2d477d34fcc9413deaf
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1