Evidence row 3764548

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": "2026-11-06T19:36:03.6875Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T19:36:03.6875Z",
        "updatedAt": "2026-11-06T19:36:03.6875Z"
      }
    },
    "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": "1.8.1",
      "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":"0b1063a6801ebe14486602987c4d63931cab55707e5da7c575ddf4b3ffff34eb","id":3764548,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793996588279896,"prev":3723341,"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. 0x7e3310140cafd7649e694076230c15b1e7f28b8deddd96561160823c715f82ee
2. 0x1c385eb8881f37f171c139ec09f62b7ec22f8e6df3e6f68f965d3706b4837714
3. 0xe9db12ca9cb328253ccf70e4b2153dc13799647ad8c298f1f81d1dff8b2d8b31
4. 0x0d96fee89b03e835c39863e93e4cde2478c2f3afe3ba93c4c81b164402ea7c2b
5. 0x45bcaffdf506501cf0144233a8852e6a00e78cac1b72f1ce5838375f0a5e120c
6. 0xff2de0bbe88ec4267f97dd7c249f27d8b9229dbb6781848acd2071af3db8543a
7. 0x8190a86f869be9b0c561d9421580bd741105770faf85498eb8c2c743c70dd654
8. 0xe04dcb72f37fecb2be07e864425ddfa32ec062095fd01c9e21c1269b3519ef79
9. 0x35b93e91da5c2f5a8bc14a90be55efbf81b5bae7c191df90a7fd43e67e7b63e1
10. 0xc7c672e814d964d76dff4de13a72e12ca48c2d3232f51d8bd1912792e8ee180f
11. 0xea86c462cf19078cf8ce1dc0bd6fe8f61b8a015d167eeb78b6ed49caf3ae7945
12. 0x811b914592925c2ff347714ee926e75e42118849af6c05e29ca20b8ad52d6c7b
13. 0x89e86fdab677858fce587b6892b9ffc4fbf139424c0e40d61dae57526f7eb1f9
14. 0x6aa61e674b3c29ca9cbf3bb85eb5c666ed7c7ae477218e53a6b5bd9b7314a653
15. 0x4aa18de7ba70c1384dfa5e9fde2ce72817bb169f51aa0c98d197468e304aabd5
16. 0xa020619e8f130eeb03f3c2beaba0422017bd8b95688ddf44db1c31cf0fd40a6a
17. 0xe98c6c6b56a21a2fc4c1edfe2563812e690a6a4336d11aef772ac1799d1ee7ca
18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1