Evidence row 3775013

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": "2026-11-06T20:27:02.348699Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T20:27:02.348699Z",
        "updatedAt": "2026-11-06T20:27:02.348699Z"
      }
    },
    "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": "1.8.2",
      "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":"c693c1f6700edb51fbbf482025765b0988f9fadd85ca5c421ac5a91f00ccdc5f","id":3775013,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794000213910207,"prev":3764548,"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 2026-11-06 (303443 rows).

1. 0xac452062b3d4eeefbba5778160a7ef246ad0a917dd15330a1435e58cc3e20125
2. 0x584fed73372d38ff457da03058b9759fb570605267bbe03c140ded58a4017f80
3. 0x53530af97b1fda954a96426765f5e3bc76fa89dbd209cc2f0de2d2519b8d1a8e
4. 0x9482d9ba5efe5c3a7efb9da8b478f916f94f8bc5e542978dee884274a9a0e16f
5. 0x20097e67041a597f4aa098dd168b4f9d2bcf60a22722dacd52548ea7e3037322
6. 0x794f1c049062c5c8960d424389991ac006b2c0b99d7310c2efabd38da9f5d9b2
7. 0x1ba9d79774591c0187cfd4da6e4906c43ecdbdc2bdc8cad9366c255e713cb149
8. 0xb85729288475bfda1684288b5cba78310fe370d32e9f388120a2bfbb5ce197dd
9. 0xa592c2f6fb2f38cb732bff75556093087a8a7b70aba4fbcb0b9b58394c73a548
10. 0x497015a57542e5c290f2aee0e25f7f440e14e646229be012d4c56f91fd426004
11. 0x540cb19b0d97cb92447c98d41539d0a29f12d9568103fb2acbcf4306a0b4619c
12. 0xe84844d76050c5b5e7260ed613241489493ac4b6445dceaf2045de4d86140769
13. 0xba7ebe9d05d8eb0dcba14a0215eb0230a8378594bf0416458cb8ec3fedf19acd
14. 0xb8cdc3434f126e876ea2c3ff38768a8afbd1988aaba81d57ab2a78f3dfcd545b
15. 0xb12c082ef1a62be55def66eb167199a0d5bfcaf36f2f6e389298bc918cf1b0bc
16. 0x4a5b4dca6c638b7872bc6485359586bebc62511ba2776f1ea54dfdaa4d1a511b
17. 0xf19d501fdbc28e10c3244253daf0c37c4752659eae14a7cba585a18c7df9ce0d
18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1