Evidence row 3958150

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": "2026-11-07T18:05:16.95138Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T18:05:16.95138Z",
        "updatedAt": "2026-11-07T18:05:16.95138Z"
      }
    },
    "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": "1.3.4",
      "websiteUrl": "https://usefulapi.io/mention/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read alerts, mentions, authors, statistics and shares in Mention."
}

What the leaf hashes

{"body":"4d30ed111d2e3169ee60ee861313aafc8dbda94af0cef3d66f7efec1fcfc30e3","id":3958150,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794075900519631,"prev":3945304,"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. 0x8172734386608d1e15e70415141ad8831191fe6619c97f347c45d33c2f8ac1af
2. 0xfae35369db070638e288b7fc4303eaec4b72875a97d2710ed1e2540d43fa38d4
3. 0xf2bcfec45abced082e5c0cf1cd1be00430125448be2434a200952f21ac558138
4. 0xe7496713ae325883bb163edd039b7cdfcef8fea25b24dea5d0c57eb5e08b0e1a
5. 0x65d4a5ee19436820288abd6ad177c8895496e5266d79800ff1e10241029bff72
6. 0x2151912e499364b1a4d6000092c957be431e11f45118e3db9955c7c8bcc7f08b
7. 0x34e00e26c614bca0cda487aee498c6b2dc580a9ad52c3b41c26107d81dbb6731
8. 0xa47f1c857da3e7b758f67c4a39fd755317b57de507a5f2b72daf9caebf390ada
9. 0xb8b17ac67dd70aa3ab9fc5d09b38e936ea10e1371fd985f79361fd7612ae047a
10. 0x1f65c2d69d98dfa8bd99934513cb20c64b4edc3e8f96069ce2fa819a4587e148
11. 0xfde1d041098deb9b7cb3c132bd4dffd660729a43adefc052c95ff2d81e41b803
12. 0x232122c25cd89f8c76bc5c2db531c53b5bd120d3c2f914915fb79f06af74c341
13. 0x3ef092fbd121e3af531992cb738dc4948b5ffdbd7d684f463e2121ea5c8418df
14. 0x12c0a392774b845f910669768178b834bb75c37650d35b673c7a7e05ebd31c5b
15. 0xd41994358bb34b15f062df47abfbb736ac4887eb6ef21ce32a5d581e6ae47e6e
16. 0x39ddab61a3a1eeffcb2f54acf6ff87eaec375674f3e77f00c342826d4e1bf071
17. 0x3b69f6d98c91b21287021db092e52491474f0d08438393ac130d6a3c273bcd4a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa