Evidence row 3414060

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": "2026-11-05T13:38:49.483145Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T13:38:49.483145Z",
        "updatedAt": "2026-11-05T13:38:49.483145Z"
      }
    },
    "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": "1.7.3",
      "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":"88ef5fce5ea3c79ab1d7cb45c83168a6fa97c2e221e254a1050d683eb98110cf","id":3414060,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793888495546251,"prev":3395809,"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 2026-11-05 (322504 rows).

1. 0xe132fab2f43f6fd885a88fe204ad26b487c99ca9e6a3eb88438e5ddbb3103d92
2. 0x17dbbdfe2bfb87d0def065303749add6454eca48e0aa6fdef4f9933362452ee7
3. 0xfcfa8e6971b82e94bd40a5c6dc86e8d3bc5cd37c310dd08571cc7dc43abbbfa1
4. 0x8cefa4a6a8e723bcb79c4e414483be00811f3f7ef9379a424bb06eccac32faa5
5. 0x5f27f8707f009fea0751cc495d0f552530f9d055b12f12716654cba02453f444
6. 0xc29eefc22854879a09e4f2d75c8affa8e006e5cdb70e0ecde864a25fca787fae
7. 0x4888c7da406863ae68a471474883a16b28ccf6027eebb363e962e5c1d97b3294
8. 0x11a2abb22ebb648673102324d7a267e49a1f8a608b7dd6f3938058c375e735ed
9. 0x9967c66a30c7cacae0ddcef4c91dd5e6c0198330eac45160a13c3a726310d7dd
10. 0xe99a1a7a5987a466aefbd4b5ae0a42419504877bd299488f864351c47e877e64
11. 0xecc4b429549d9f9ffc5d96f8c7add6fbb65cf8c645a36247cce4243bb8bfb59f
12. 0x0107a14bfc55e73be0bf9b73b7baf9f12450a25cbad8175493fedf4d8d0ccb27
13. 0x53360dd4a714944f94296b461a01bcc564310b05565b05aea6e1a71feee1a57f
14. 0xce27876666d433e301388ab9a229faf79cf58e8e5e9d26b51a8919e49ef7c4fb
15. 0xb5004928d173812cab4255917f4c361aae718a32a8e6208a7de15d84417a441d
16. 0x706c875c10714e921f12357b889e8f8c61b62dcf68745f3b7e23aa127226e76c
17. 0x595efddb5b196a921c775c54d0aa541065f1802bfefb8bd003a60b16925c4b58

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94