Evidence row 2130064

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": "2026-11-02T11:23:31.058868Z",
        "status": "active",
        "statusChangedAt": "2026-11-02T11:23:31.058868Z",
        "updatedAt": "2026-11-02T11:23:31.058868Z"
      }
    },
    "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": "1.6.0",
      "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":"8b790c6fc40d67d45f22615d38580e25479bbd92eac1b29e5730749bb8516da8","id":2130064,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793621908541202,"prev":1541132,"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 2026-11-02 (444186 rows).

1. 0x3656d3a001fe9645962ee5752bf14a95a748d57dba3a943ab74a3baf08e5c71e
2. 0xf1da36b9e3097c07092ed7f19e4ffe237092ad2fa2bc50d36dc329f96cc3355d
3. 0xd3a03d619e275396b629980e20215579f2e936b02c1b5984b30cfa82fc7960ad
4. 0x2c86bdddef6cd2ba22be215818a7503f27e48cc584305a908e5ac2960a60ae8e
5. 0x225d900b8a284f31e1ba4ad4c618b5f71ba2bc02d245ac1247b9410cd8862409
6. 0x22caacb1cc74380a60c41ede48206dcadb3e878bc6d6847bc4ef9ed55afe363a
7. 0xf49af16a000944ea2c4f711d2464fb8b451fc05e67e2513e778e44ecb20b40eb
8. 0xe6cbcda85503af8d88420e8fd7ffebbc39812adc50e5b471a2b0a3e4471ca7d9
9. 0x5b734768f077a059b2c90928bc01e2213a25b16b916a484502920630ae016aee
10. 0xcdb209c2e76ab1a8722dd4298ab0e03f40b1398ae10b05ff87c1215fb3aeed27
11. 0xbbc3ba117939999fb474e22af0bc8e761d629e3ce88e75d37ff20c53fabc3b2e
12. 0xf2afd692f9ecc84d8043fb7e2199fc37af44471368455fe6d2ad7651f20ae534
13. 0xa0e5887b42201f4bffeb4ff69bd41372cabcdfc84eaf669d71bc4550864cf581
14. 0xeda95b8bf6c7d0b27dc5b32d6a6006255f41e0f6bbe80842a49daa792f4de811
15. 0x464ce6fe060d0a6c4e810b71501e55084086148f7daf393caa14462b1a777022
16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af