Evidence row 3945304

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": "2026-11-07T09:18:21.751309Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T09:18:21.751309Z",
        "updatedAt": "2026-11-07T09:18:21.751309Z"
      }
    },
    "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": "1.3.3",
      "websiteUrl": "https://usefulapi.io/mention/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read alerts, mentions, authors, statistics and shares in Mention."
}

What the leaf hashes

{"body":"076406ef12d9b1620288af6cf477a7077faf5aae74c0f60a43346ebf32371996","id":3945304,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794043456971069,"prev":3775325,"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 2026-11-07 (195826 rows).

1. 0xa94d1d3732069547902158ef2a59c87aa8cb31a2be65c82137a574c9b5b5c6dd
2. 0xba5f6fb3db2f0c84d4d74ae64be7bdd518041ed30e2a462d5f48c8c43a684c20
3. 0xb25532dfd481e10128de85e4db3933b9ec839023067e092fb4475a938e82cc46
4. 0x674c4efe26ba116992c440fd55e3241f7205cd6f2831fa31e06f8fbc0925cc1f
5. 0x721e010bd7afe31d7e0f00a75dce2478892d356031a012b6cb0091123a2e7436
6. 0x72d8f2eb259dae2fea2eb1e50adec4ed657f84336fe124a0b43026c49d4c7212
7. 0x8bd48d163de4310bded0bc88d5138562eeac8705a70c664fba0a380384ee17eb
8. 0x588abbeea6184c62ddb7ca93e84078ecea1fbce2f84d1c96967b32649736ade3
9. 0x5c4521dfe261cee6d7c3400d3bf0443707b8012a9d62f0012bc3cfe9c5bee353
10. 0x5b2abd7d033340c9e102ead685e43b7b0200dfd8fdc68073db198014abd4ba81
11. 0x5ac22b5d48eaf1d1cac79cfd788a1c4ca71fdbf70052bd058bc903a85112c27b
12. 0x04d404be960e661e3b808d66f7847fa37fe75f29447898e38910bc666df79ba0
13. 0xad78c00a716aabee544cc17bea66208d0f22b828b84f51b9fc6f8227d10367cc
14. 0x48aed00eefc8f84d1248774dbdfabcbf6a8a32d07ba72d541c50e091461df992
15. 0xd43f13f6774b4e9adf7a95c9811fb4fe9b9256ca73bc6f20577cb4cb147ba0eb
16. 0x39ddab61a3a1eeffcb2f54acf6ff87eaec375674f3e77f00c342826d4e1bf071
17. 0x3b69f6d98c91b21287021db092e52491474f0d08438393ac130d6a3c273bcd4a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa