Evidence row 2726248

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": "2026-11-03T22:30:23.094504Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T22:30:23.094504Z",
        "updatedAt": "2026-11-03T22:30:23.094504Z"
      }
    },
    "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": "1.7.1",
      "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":"fe1dba648759a3b2ceb09540c45f1b4ce1602f569f9443f331d4a595ea7884b6","id":2726248,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793747991204256,"prev":2564394,"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 2026-11-03 (425475 rows).

1. 0x7f92d7ed6e8403c6cef43d37fd9f03ce3f1c0f86fbf2cdf33abd62a5d6b9a7f0
2. 0x5e9ce063b4d9a13fe0db3a91dfdd53f67149cb2ef47769be6c6a039bef8a5e2b
3. 0x3373750f1a1c6d5cca334f1639a6f0acab449044ea4d5cb08d2afa6afb500423
4. 0x2fce969ac5897d0dfc63f5442333728507c0f0c79292e08101cf618b1e3d23c9
5. 0x23d2968c345a5ab1729c8833ac24ca0d66f97da233c8df1e6e09d222623f8b93
6. 0x8ff57f14f6c2086ad4e5dd3ca88bee0b74833da86633d681d05f278699208f7e
7. 0xc86e8caefe1cf2b644a3e54f5692471bfa7d25ce4f299c217be85893643d4ff0
8. 0xf22d4459c8309c92c17005444a73878f1d0f2b1c1270a2c91868a7312dc6aa5b
9. 0x51c335941a3ade53c7213a7734c0c5297a0c8b49830674e580e7b6c41e6b1dc8
10. 0x5409541ad03fdcae9abdfa1cc05bd27a9b116327db216a8d4acd195d71f92abb
11. 0x6a3db1b01a466ad78f4f0e9a5b167e9c736b41fada645f1f355fe69b1a0948df
12. 0xbca293acf7dffd8daab33cc26b6700429c9a010cc6faf037a0965cba77f1dbfa
13. 0xaf97729427bcb69cea84940a4617a9276209a9bb29e6047d69c9fa290978dcad
14. 0xcd70da55bc68640bf37c238eb2dcd35a729f3a58d333a753be62a2aef7873850
15. 0x273fa0d1dba912fbac313286feadbb113b263290d047849b0ea460936942f2af
16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7