Evidence row 2546291

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": "2026-11-03T07:15:52.860602Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T07:15:52.860602Z",
        "updatedAt": "2026-11-03T07:15:52.860602Z"
      }
    },
    "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": "1.1.1",
      "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":"81af8501ecdf645de27f1a002ccb5b81877f46eedd51c908f3303b753113beac","id":2546291,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793690345158830,"prev":2130066,"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. 0xcc9697d15301692b506d5172d9a1a20b2ffb968a94391cc6c88935207f078fe3
2. 0xe13f5749228b6c658bd3dd9496f554caa141111d8a6481f242ac2fb9f1e9207c
3. 0x823f8920687e1fbfcd9bc697c3c1bf1c55666b7265eb3ea5f05b58bbb6a2e854
4. 0xcb98220a7377d33260812d874a2748c4fdd2507412216c46430ec501ada5be0e
5. 0xd0d7223c8c51c6ddaca31fb1410cd400bcfc8dfebb4e81d4f46db925d21eb73a
6. 0xce9cfb9dbd610cb4e1e163e39ac0566289d37f1cd545313a2fcf742e82f1bdd4
7. 0x44926dda59421f472b5a10a24dff431b5b813b3a10775e4ebd3c49ba26f2f4bd
8. 0xa025bd04758a03c68deed0c469681ff712c5b2cf84d265f165c640243e27ad93
9. 0x93f6cc26d6e341b16f75bbae3d3eb46d2cf285dfe7a91f973d7caf2a9833d161
10. 0xb42a60465e57f80fc3e07091d8dd0452af5a0e67806b7e0665afce75313b9f26
11. 0xef8b29b180917a9c1dd0fb237fa7d0784dd184cca931f862caab41674f665bd7
12. 0x622a46193da28a1c9a8d8ef5e9cbdca4283fa554d97ec6b4613dfaf366dd8635
13. 0x3cc986cde06d5c6049d73d3e8c2f67d8c287673474d2ceaad7738ed7a5bb185f
14. 0x06f39b34e961f2ea2e8c7681b9a680b15d48774fc0534e19640f27b7f07640a9
15. 0x20b1beb78a0f066bfa1ffbab05695dfb2940fd2df005cdcab3ae2e82d26c01a9
16. 0x59b3a6fae1c920f45b1445649e93c8c7d68f3f69789b0df88522cdb15a28590b
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7