Evidence row 21120

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://themassprint.com/mcp"
    ],
    [
      "web",
      "https://themassprint.com/"
    ]
  ],
  "name": "massprint",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-08-07T16:40:06.423465Z",
        "status": "active",
        "statusChangedAt": "2026-08-07T16:40:06.423465Z",
        "updatedAt": "2026-08-07T16:40:06.423465Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Print-on-demand for agents: upload a PDF, get a printed book delivered in India.",
      "name": "com.themassprint/massprint",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://themassprint.com/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/msomu/massprint"
      },
      "title": "massprint",
      "version": "1.0.0",
      "websiteUrl": "https://themassprint.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Print-on-demand for agents: upload a PDF, get a printed book delivered in India."
}

What the leaf hashes

{"body":"c4da61b34f0b42ca98dd305ee2b60a2dbdb3c834dbfcd6d4390397cc7dce0f11","id":21120,"kind":"listing","method":"baseline/1","observed_us":1793025339918128,"prev":null,"subject":"mcp_registry:com.themassprint/massprint","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xf8dfb0b79d79909b39534f3aa9839ff3c8a044e0bf5286e40a719f6434622c80
2. 0x3bfbb941bfd2d792d85efec949b60a931f2d5b89cbdeba6c0b7511fd0dbc22e8
3. 0xaa9d222c04cf240c2af22e42c035535fa4eb1924a2532a5614922d8586ecef61
4. 0xfc6949b46f2a66bd9bd3fc30557253f6f3d9e275dc816526a7d0816d2cc8f155
5. 0x55e6f78d558121ac32d095b934258f069a042525f1dd6dd65aa5e59053dadd9a
6. 0x300ec46ef984751d7b92cb642effeb9d17fef9cbf7179cae9e177a2daee872f7
7. 0xd2b2b602ee0652a2fb426adaf01e09e928b333a42824378cb13308dcc3f4ff4f
8. 0xfdb8bfc9b3baeb35fbb9407f78d075a03338a4874ddf4374e02f2b3dc050ce10
9. 0x36ad1ccc6f0f85f7178fd2291af3458a7549013406068efc78bd68cdf34501cf
10. 0x921ec909afaac455249717b3fffa2561a28344c6c4dc7a3f57f7c3f136978f87
11. 0xe3be477672f672ad65922159dceef6444408759f2808a7a1e1ba87146cf5eee0
12. 0xf7eba200f6f1012d700fcc53fc6d57dcafd1019c920b1030d42fa21d4af95d94
13. 0x694eb701ea36a0e3dcde192253ab85a618738bdc1e3a6e582e6f8bf9647f7a6a
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae