Evidence row 3986920

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": "2026-11-07T21:56:30.774649Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T21:56:30.774649Z",
        "updatedAt": "2026-11-07T21:56:30.774649Z"
      }
    },
    "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": "1.3.5",
      "websiteUrl": "https://usefulapi.io/mention/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read alerts, mentions, authors, statistics and shares in Mention."
}

What the leaf hashes

{"body":"a8948687feab6d38c1d9770526fed92ed3657d34bb0087eb82b639b0bbe1aa51","id":3986920,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794090326343158,"prev":3958150,"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. 0x3b60a8fdbbd1432624d056d88d811343b78cc885852e481aef9ce8bad61ea283
2. 0xb7275c93109e86fe4defb696cdda45937cb4bf0ae8427cec749e6a40448f0e93
3. 0xb7cf94ace643da2630acbe9550585ae119620bde7b48b1fc9c98b9f605c774f4
4. 0x68a010f09f5b0bfa4c746302d9d44a8dc8ee3b5c05ff683020b4f01468e6d223
5. 0x11cf2d77301bf83d7086389ed972db82c6eb25640720ff71881383330301845a
6. 0x13735e1feedcae8e8a2fa43c45f739a9bd71fec95cddd2b8ec0cfbe90526d85a
7. 0xb7fcbb9bf7ed225741dba7c70938d3d89b068d971dac80b595e4d96cb1f48ffb
8. 0xec3da72599d19283583ef90eb56336ace60b9c6c045326797f15e3ccc689eae3
9. 0xad61b0c483580e5309a43eadbfb89d7196fdfbfab49608a374603bea33c72de0
10. 0x339fbd6667f65deb7078bc44c55a3d2be40bc85662b0f12fe507cb013e64167b
11. 0x76771a9f22d11364ce90579a821df84473d5a96402bbeb006564eb3e19a1df89
12. 0x10e8cd765ddf5477834a4bd6e90291467de3e7fd32e319d16dc68a085ac74612
13. 0xa5a96e20a466cfec764384073f0fea792307c8ff464b459bce5b293e61ff85a4
14. 0xb96cde31376f2620034d37eacb768d6239f6799d719ac01516ef133c0df4dda5
15. 0xa3ca92229f3aac0e9b561aaa066ca1907adc3f0b1685587fa30369d41cf66004
16. 0xf0a56561418cd0342a328707933cc222d8fa725efff7ffd081e0226ee8c46c0b
17. 0x54292a94f447f1fd33c01b5c99da465043f11022958626a2ea562c457fef697a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa