Evidence row 1828797

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": "2026-11-01T20:36:09.427436Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T20:36:09.427436Z",
        "updatedAt": "2026-11-01T20:36:09.427436Z"
      }
    },
    "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": "1.0.0",
      "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":"9aa3a531a794d9f746641cf8129a40edf76e04d58b1fd26654086b146a2f465b","id":1828797,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793567869132858,"prev":null,"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 2026-11-01 (302406 rows).

1. 0xa006db40626b19c33f07ff74140adb7fe76f537b723e630f5362b67da465e771
2. 0x27ebd8f0522860e12d8ee1a07d5d0e654e53f61f87de201b41db18ad38e97b38
3. 0xb18d56412cb94d47616011f96737f651d54a071731a5573435c880957d694008
4. 0xefc9e8cbda9a29377ef8a0eec9c073f289b05c2789a1dba391e67f1621db22ea
5. 0xf033e1d96a037883aad0bd6a6fccbb4bc6695d2b622d4d18edc737d7b8d61026
6. 0xac4101e1fc1d5129958f35981a6b38f3ec6533259f45ab662b638f81dcbabc88
7. 0xd228ff78381144db28816215cb719d0c4e1f7962e6c23b62e6eaeb61f29bfc28
8. 0x2d3593108c09efb52eaccb91e516a5b8ed4d0ff4a474f737b94a1fb6922f07f3
9. 0x392af1736b04e3e50dad703f41aa5f8f86c0f5155a6583e8217bfca9085d9078
10. 0xa4cd58d0fdb27a915717b118cee1f5c92381a731a5c3e8cbf16da8ecb78afc1b
11. 0x1b712d36de169128bfd6f9641d9b03646c89c2d5d8cd255208ec10c561c799d0
12. 0x4c8d70bbc71171c6f09376b1cd5cdb76fcc86cf6f4242fe3365e640972ba1ec2
13. 0x4d2f8da78dc8a660de1d8b86f0083d4295117c283b6de5334a6a9d06be22e64e
14. 0x699b83b189435f7ea2dc2d6d4f13262932214c0f9293f3ad20a20f7633995f1b
15. 0x4a900ec4cce00639b2e45adc5a7ba556793a171aadb927fa15d539147429570d
16. 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90