Evidence row 2546589

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://mention.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/mention/"
    ]
  ],
  "name": "Mention MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-03T07:15:52.450169Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T07:15:52.450169Z",
        "updatedAt": "2026-11-03T07:15:52.450169Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read alerts, mentions, authors, statistics and shares in Mention.",
      "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/mention",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://mention.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/mention",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Mention MCP by usefulapi",
      "version": "1.1.1",
      "websiteUrl": "https://usefulapi.io/mention/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read alerts, mentions, authors, statistics and shares in Mention."
}

What the leaf hashes

{"body":"f15ec811c08887e688cd5ac942daa2d238293160df58116c0885b9f85b779cc5","id":2546589,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793690348663666,"prev":2130356,"subject":"mcp_registry:io.usefulapi/mention","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0xfa96bbc3aaf684ccd03ec4b74c8f9184aae07e0f62265284841fcc260dd04e4d
2. 0x743c06590ef8440c273a7f13499f62276fb848b201e0dbbacb87be09d9c9b668
3. 0x70671b7b75ee1c9b16467f20152c4a1aba41b7f4ecc85956084f736b716dfa9a
4. 0x1554b7a71a0b9ed6526b5c4d555533a31db90c0a334065b835fec451016aa98e
5. 0xbb74b5ee9d85f7a24ccaf1d2d1f80f37ca3d35ec0e6f8e809ce62938b984aa8d
6. 0xfb3c43dd462e9bb5f74f005863e1fc89748c16f18ab638c0b3b34bfab3f8335a
7. 0x61db6f387dc632b07deb9cd85fa8d8d1520705b223611d2852a1f5a8ad3bd241
8. 0x847434b466d8b1e50ded718b97203bf77e10fb30e97827bb08286b8906676774
9. 0x31a3e0d55b4f4e73798432a60c357a711001868804c62ede7eecc6bd999d9a83
10. 0xa94a2c1a3c28397b93176f9e24b95b60418d88d61a2ab2e7719803d6aedc8150
11. 0x5347970a2e3cc99ef6cb7802bb643fe1ee6fa23b78417319f72f3e907b734a05
12. 0x423535da8f6395a7fb334eef87c2b331f4a5ce17b0d6ed003ebf18a441197d29
13. 0x4a5043efd66a24ab6ad0989ba3f77d8ad9e29bff006d40f6030cad40e00e02af
14. 0xb67cf31c0f6dfa9976040b7caae9f293217f9d9984435c203bc54a3676e0551b
15. 0xaaf692e701ee622e9e0fa24c7d0f9f672df8c586de5a6f0375f8cadaf0c678a1
16. 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
17. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7