Evidence row 1479992

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://cats-ats.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/cats-ats/"
    ]
  ],
  "name": "CATS MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-31T09:35:20.350372Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T09:35:20.350372Z",
        "updatedAt": "2026-10-31T09:35:20.350372Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read CATS candidates, jobs and pipelines, and make explicitly confirmed recruiting changes.",
      "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/cats-ats",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://cats-ats.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/cats-ats",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "CATS MCP by usefulapi",
      "version": "1.1.0",
      "websiteUrl": "https://usefulapi.io/cats-ats/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read CATS candidates, jobs and pipelines, and make explicitly confirmed recruiting changes."
}

What the leaf hashes

{"body":"8e988f2d0ac037bdcb6600293221a488200b2f4444d94236b801b8a6d4328267","id":1479992,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793441755533921,"prev":null,"subject":"mcp_registry:io.usefulapi/cats-ats","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0x48b83fcd352f0d739655c174de4bcfb9aa296695cb20574935ac9740167dac0f
2. 0x1e693014373d17be213a903a8c2e9325c3cf963dd3c3414ee0fa817e46f0e97d
3. 0x1192472e1e2ab5f419650bb6f809b60bd27e210793b4585eb41b35cbbbb86ef1
4. 0x17e789509afc96c4ec3958eec981d3791452ecd4d9647a66e2f911ad08c79410
5. 0x2a1489eef6ed45ced67408d5e45fa68199fce11c54b85ff3eca11b794b5e4e27
6. 0x750e31618383e40c60fe7c7e591e6481677ba761b34ab3d99d4480457b5d5181
7. 0x503013072e0ad8d9152fa4ad460bc6e7d84b50b104dfb7d6b371e4611f46c89c
8. 0x097627178d3c6988c3436970c4f643d9ae96ef9fa3ca5f4c08b650f79856c4c1
9. 0xc60a131f28f4b5aa26ee1d069f9e008b306596cf61787f31343aad5557daaa42
10. 0x7032d3e3979cc2e6665919393d8c48a1404c7dc505add33f1d3af9ac191677ab
11. 0xcd4e02de6f1e0d5b4c356e3c4167ba8b291fb4314074985cbdb483be04a3a475
12. 0x9b9bfe0f7c4b49488e779430f5fde32a8ca4b79e22388c99981f7f9857e2aff2
13. 0xe9c4303dc739b3a38473373ace0be2d0380fe87c373514f87ecf64e4a134918e
14. 0xc248f3640ff2a9c77f3134397896f3ef7b260859179e2912c528542dff5a29d2
15. 0x37f0ccf90cd9ba8759ef0154382593820880794592760020f095a3628e43fc3f
16. 0xad4540f06e3fdfe46524d8592f8d854d4849e16217bc047eaf024f0abebe34b0
17. 0xa00a931d72706fa2402bfc9b441a12eb7c6a61ff42a542916106e3637177f101
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0