Evidence row 1001258

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/prozorro/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/prozorro"
    ]
  ],
  "name": "Prozorro",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-29T05:53:45.784974Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T05:53:45.784974Z",
        "updatedAt": "2026-10-29T05:53:45.784974Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "ProZorro MCP — Ukraine government procurement (keyless).",
      "name": "io.github.pipeworx-io/prozorro",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Optional Pipeworx API key. Without it calls are anonymous and capped daily; a free key raises the cap.",
              "isSecret": true,
              "name": "PIPEWORX_API_KEY"
            }
          ],
          "identifier": "@pipeworx/mcp-prozorro",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.0"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/prozorro/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-prozorro"
      },
      "title": "Prozorro",
      "version": "0.2.0",
      "websiteUrl": "https://pipeworx.io/packs/prozorro"
    }
  },
  "source": "mcp_registry",
  "summary": "ProZorro MCP — Ukraine government procurement (keyless)."
}

What the leaf hashes

{"body":"1830cb99f3c39b639ca95d590527ca0db823f0fc8089397db7371ab4b0961dfd","id":1001258,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793254373483235,"prev":47276,"subject":"mcp_registry:io.github.pipeworx-io/prozorro","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0x14b58d4f65af51515dd111ff0db5c3988122ba4dbaf5881c0af6ff02bf8dca53
2. 0x445805ed06fa9f340b2665902dd061c5dd26b3a632937feb5782979464519a33
3. 0x0b8e5b78e700debf418b3c57c53d611a93d3bc019ef129dc51b06561bf32ed65
4. 0x5f590d869071e0e500d11b9baff1189d159101ac30fe39fa8b53951f7cdc866c
5. 0x80f7517c56be1d292f0a7a8c5e689b00baa2eecdbe9254a11a342e20bf635a3d
6. 0xc7f1e48bdbd1cdb9bf13bb0b6bce4ec33d7f8705fff3c49071552d94cdd0b6a1
7. 0x86b7115d355f91b099566711eacd5b44730740aa81bcf382cd2573083a93a234
8. 0xa2c8d51b46f7dc98f90fcce259b02d9844c36d91621e67ad09b78475a7fbd2fe
9. 0x20061860a4e793bbf8c05df6249a211e3a4268b4c89f26d84f12ddbd635e482f
10. 0x5a2612dff7a5d504144a8e00c96ec114d14463b359ff9cc23d23a4cbdfe8264f
11. 0x5b38b1105a29768d6ab7fea009ebcc43dcfeac68a8c8479bd4ca391586c80867
12. 0xb8f119e9ad494786e4c14495d773403072d99e028eca7f32d5755c33821e77e8
13. 0x9f7c7f82c1751c52f0abfa61fd04ab49e1074f7dabe66661cd391efb1c30f9ba
14. 0x084c8874a1d9f8527c9c50048abe328afb50aa4926cc4b9639898f00eef5101f
15. 0xb4cbfd07748aa7d27896e5517d69e2e77024b97a1cfe1755f9af8471ad993bde
16. 0xa0a7723889a4c15b3e0bec353fa8dbcaec6c71cf35bb6c346415ad3e664df6a6
17. 0xd76435ead496863d8b0bfab3434f54cd11da3c49d104fc4064b9cb3381567bbd
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1