Evidence row 2564396

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": "2026-11-03T09:55:24.185921Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T09:55:24.185921Z",
        "updatedAt": "2026-11-03T09:55:24.185921Z"
      }
    },
    "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": "1.2.0",
      "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":"231636502eef55b5b80f7e284f0feaa2e48f6a83766f95dd86fa4c7f8d81fdc5","id":2564396,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793701159222185,"prev":2546291,"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 2026-11-03 (425475 rows).

1. 0x759fee566fc6e30dbed464c570360c0423b507b007d5e5a63a73b213645635bb
2. 0x5436247fb8df982e8b16fc1cb532319ff9242541ec9dd530c46b6b546c0180a4
3. 0x312bcd64a0c94658418ed3aec768b3a9ed2992920e48765724810efa40eba06e
4. 0x848e1cc979756ab347a5c407dfc8da9ba4249df6184b8dfd29a792ea24948014
5. 0x7c846021e2fc45f8d2734478ede033238f588ef646a168b5b23d2a9f111ba40d
6. 0x025c732e80e811907383c6ff7907528cc7ad3da6c6d880bfbb18dc69ab3368c0
7. 0x01e9cb5224c9bca826640382e214a58b72de019bb36c274c18228ca446b69867
8. 0x7023c3f539b0dbbc6b7c66b5f23275371f482714c2eea05bd8ec90f6543d362c
9. 0xa956a16804213244c64bc6b64cdec83affe6b8f0caed80460a971e7f948672d3
10. 0xf777b6201c1444b86b043b7fa343bf4bcbe3f47b984df17e5be2050f34f77101
11. 0xcc0e87e4b63c86fae9fc09f51eff08eae3d6a7d9265bfc10de62b298ca6e03c9
12. 0x126c38cdece6005360dc2931aa9619df80f08ebf81a50dd1a46f3c8835c7cc42
13. 0x0a2166fdbd0fb119437aa5c587d6d76eacdc831e2e2d305db6de877994a9e71a
14. 0x8888e0d25075a71372832a4a34d226613212be78f7f52e7bc201b28be0cf3c7b
15. 0x1be647e954f61ace2ed9636ef78e1986bb535c60f6f7e9d512f4249f9507bb36
16. 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7