Evidence row 3395811

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": "2026-11-05T11:42:57.313381Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T11:42:57.313381Z",
        "updatedAt": "2026-11-05T11:42:57.313381Z"
      }
    },
    "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": "1.2.2",
      "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":"1d6e608e59bc613c487963a2cf91ffe769ac2ccd8c83fc4725e59995d871fec6","id":3395811,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793881287630189,"prev":2726250,"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 2026-11-05 (322504 rows).

1. 0x2e3f780440b8c5ee27161d9ee06191f3b0778cde6f0cd49c4d3264b9af10480d
2. 0x145f86d9a38f34cd3a6ab7b0892ba4bcf4110f521434b313d0531b50298436c7
3. 0xd07bd03b2e736e4e0150a3167fb577d1441e115f0b5a5137f3b7260da1a7a74c
4. 0xc515f229ea02b18ab8d864f0d97f8bb7eedc9be1eff2a04200d800b7a598efb2
5. 0xb2b7d4696161eefde35c38e424503464cbf0882474dec3ba1e264429a6452670
6. 0x55607aeca1c361cd05e37340692205740fa0fd17fa7aefb98731c7230bcfb64a
7. 0xc8c25337ba177f0de80087ea68224ae2f9ef1b7fe6e1ddd75ab78e73776260a0
8. 0xdd1b5e12fca5e953a22e3d07ac02a73c54eb9b8bfce73e8aedea87d45bd47f91
9. 0x1fa2f90be5e3e5a33c2b6385064dcfd5bb442aba6c82078197beebef173849e1
10. 0xdbcb66d5fe33153440b48737fcaea7f23dbce78d6148c081da7a4720019a6671
11. 0x6cb14b1dcc47517796c50cd57518bdfac35b7d6b44e0e9697195fcd5dde4f6df
12. 0xb6c75facfba2b098c16130315303a68907c96a774a7c41fec655e915a696ac79
13. 0xf0964d9f669b62b6dac14dae4a5ac2a5d819081fcc1544372ac6de4afc461a06
14. 0x5aa68e014acefa940541118abf6196de34434d4ac087fb78e5c99db4d1a85a03
15. 0x213998878db6a423b0c367a68aba39293f9287b39bf1a80904fa9c6975bba987
16. 0x0009f1567d5c3f52d167d3c95d53c71fb66114fc26e83679b452d6db2f1d0b95
17. 0x0cdf39687556f127f9de2f03ec7df8e10e613bf9487760cbe3eaaaa02d8d48b4
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94