Evidence row 2130066

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": "2026-11-02T11:23:50.153365Z",
        "status": "active",
        "statusChangedAt": "2026-11-02T11:23:50.153365Z",
        "updatedAt": "2026-11-02T11:23:50.153365Z"
      }
    },
    "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": "1.1.0",
      "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":"12b4253ebdb70b997005e87391b05326746aed76960c549dd4d97dff41cfe91d","id":2130066,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793621908545597,"prev":1828797,"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 2026-11-02 (444186 rows).

1. 0xa6a344bb8b79ae96e10138352b2c0a12cfa3a469cdcf4f85d3cdf7cd8b0c6d23
2. 0x89682b4a789a533cb4dd258b82fb30b4f3517877a68c1c5c3f89cfa892255700
3. 0x4f2a12820d80b79a39b1f071064f28b128cecc9fa45a62fbe69606575b832e4d
4. 0x88c54d838db5b8ca9b560e63c150a9d16ff238fbdd1d3e74eca22ab9dfef1733
5. 0xbd6713034e6a13dbc29432c3c7788232836f143d5580df6d690505cea3e9e8b2
6. 0xdff846a2119580855d6087f1ee5c7c2027892ce1a8b13c96143c755c8fc7bdf3
7. 0xcbc31bc16e7a7101186202c1ebebc9f6fdfaff90d5890a49ceccbb6a6f7202a0
8. 0xd9284898ab7f84d6be69deb40dab6bbd59e682020065f47920894db7d0594282
9. 0x14849690820578e7a575b79c99832fd10f890b7a3cb9e918d1498bce6ca86084
10. 0xbe98359187201e497edc3ef9e99b0bb530e241f9920a7e287acc7096726a169c
11. 0x8ffcffcbb23222b0e977edb61b39fade9fb75ed3af64fade05800bb3ba9b5711
12. 0xc6f69d3f6f4fe09a9fc212c8631ef7fd2534c303c7902f55a5a63805fdc57695
13. 0xec9b01ce49e2dd688fa78781733c888976342aaf0672176098d6561858941ddd
14. 0x7a6e52c5cebe3ec69d18cc200885d32108ba1be1b19f2da2ead8becbf3db3cb1
15. 0x7abf7290721a0b95be706db03c09de9df65bcba8e18ffe4616da43d9c31d6b0a
16. 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af