Evidence row 1783683

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://feedb.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/feedb/"
    ]
  ],
  "name": "FeedB MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-01T17:22:45.68874Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T17:22:45.68874Z",
        "updatedAt": "2026-11-01T17:22:45.68874Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read collected feedback with ratings, categories and sentiment, newest first, in FeedB.",
      "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/feedb",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://feedb.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/feedb",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "FeedB MCP by usefulapi",
      "version": "1.0.0",
      "websiteUrl": "https://usefulapi.io/feedb/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read collected feedback with ratings, categories and sentiment, newest first, in FeedB."
}

What the leaf hashes

{"body":"83017f60bfb847b88be47d09e28969cfb7f81e7b8241464c6383d55b0543a919","id":1783683,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793557062664137,"prev":null,"subject":"mcp_registry:io.usefulapi/feedb","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x6f48d15266b24a65014255b5ae8fd6d962134cce88a1a2fe83e58fa478bb3225
2. 0x4a7957d4b073e5987de74e67c582d56cea56c57a566e865a3c9a15b7a4cfe65b
3. 0x102d80e08c278e9e63e9db943cf819a7b2772a3821b280c3d90959d02b08db81
4. 0x10bdd5d26519d8406ed686517eff923c021a0a4a27fcfbaf4ede0acd78575652
5. 0x8c78636920833c1a75ce9ae5ebc50b7235dc42543fa5a01a29b3ab72a451f532
6. 0xe069335aa60137c2cb2a9435cbc327eb9e303f03d63764fa41560fde31a6b8a6
7. 0xf8c3dbd6c590b797a026fb3b51e466e7b848482efd59d5b8fdb432df56a43ffe
8. 0x1031d6d3cc55fc69481ca34acdfe1d8c2e8f119466cbf7c74876163d9c675cde
9. 0xed5db75ab4d139214d220b0815fe5158fd7891180798dd84f51230507f1282de
10. 0xadc4ad12b762ac08b1a55025adfa254ac8fbdcdc8febc69833e1910aab5346ad
11. 0x3c07b4d748e17eb2e7ea9a4e196085fcd6904bc9b95734ec1b3bae597198993f
12. 0xc7c7df033d7cc56a8db1d4dbba0ff60f832613877ef4082584b9bbd0c407d33a
13. 0x215ea80014ee66f3073134eb3329402080a043cc21a0a475647d253d47820da2
14. 0x3c3408392402b125bd2c2cfb11c655ba3e5ef4f456caee26d4ee38a093e93c53
15. 0x614dbc600bca0766e288d2a5ebb7709ac565230ac6acdc88a5e4a7a5ff53c58e
16. 0xe329dbfb0db2c7f35334e66970a8ee37ee2d3356d34d692c10f84b6f7de65a35
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90