Evidence row 3986611

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://ceipal.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/ceipal/"
    ]
  ],
  "name": "Ceipal MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-07T21:56:34.771417Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T21:56:34.771417Z",
        "updatedAt": "2026-11-07T21:56:34.771417Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read job postings, applicants, submissions, clients, vendors, interviews and placements in Ceipal.",
      "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/ceipal",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://ceipal.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/ceipal",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Ceipal MCP by usefulapi",
      "version": "1.3.5",
      "websiteUrl": "https://usefulapi.io/ceipal/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read job postings, applicants, submissions, clients, vendors, interviews and placements in Ceipal."
}

What the leaf hashes

{"body":"f4ae8be81c64274a6d662941b81d32c312faae4fa90905765c00d9377fbebd18","id":3986611,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794090324251202,"prev":3957853,"subject":"mcp_registry:io.usefulapi/ceipal","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. 0x3d5230b3b8559bca2b93649dfa1aa63c29b36adf465e8dbf83915c044569945d
2. 0x9f9c24831fb6d6d45edf3fb6421572d1551ffe5e8e8e5510aa6e3bf761b597d7
3. 0x97a7ed4d7403ebc660a7f15b91234e43be8e273ca2bf27993f056ea5568e3646
4. 0x53f9cd2a6923367ede386c24d9254ea3dd7c004093f5ae1a1a2a4cb26c78746c
5. 0xd7e75765854712b423194c4ea870845e221852aa30afaed6439c761f3901820f
6. 0x891cc94ed2244bc23e6af658b66d4879107c15f88ab932aff6c77c409735e355
7. 0x598418a594ee48620cbf7b98db0144757c8a33347a086a441f88c5bcdcbeb97a
8. 0xf5fd894c5a2d379df755991a43eb78229bce02d9ee13ec1829c219d71866d5bd
9. 0x2fadac2f1bb1e193b2ae234a22c26dd532b85d599858789273f97b528a7281f0
10. 0x09de7352ed5dc6165aec2792649f2fd61110c09f1b980cde8a4e07933c3c8b53
11. 0x1d863bd8796c1c1dc7e8001a52e1fd2a546e615dd5e13ca31ef80a3bb276cf08
12. 0x65fc922d0b91781f23bddd8b4a42519f2ec42aa86118bd94ccdd851356893820
13. 0xa5a96e20a466cfec764384073f0fea792307c8ff464b459bce5b293e61ff85a4
14. 0xb96cde31376f2620034d37eacb768d6239f6799d719ac01516ef133c0df4dda5
15. 0xa3ca92229f3aac0e9b561aaa066ca1907adc3f0b1685587fa30369d41cf66004
16. 0xf0a56561418cd0342a328707933cc222d8fa725efff7ffd081e0226ee8c46c0b
17. 0x54292a94f447f1fd33c01b5c99da465043f11022958626a2ea562c457fef697a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa