Evidence row 443243

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://papershift.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/papershift/"
    ]
  ],
  "name": "Papershift MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T08:35:05.09737Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T08:35:05.09737Z",
        "updatedAt": "2026-10-27T08:35:05.09737Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read Papershift absences, vacation, time tracking and shifts; request and review absences.",
      "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/papershift",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://papershift.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/papershift",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Papershift MCP by usefulapi",
      "version": "1.6.0",
      "websiteUrl": "https://usefulapi.io/papershift/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read Papershift absences, vacation, time tracking and shifts; request and review absences."
}

What the leaf hashes

{"body":"f4149ab6c6a373cd6e7412ac3364de2d6e7dda798e18e16813e773e9fde77f76","id":443243,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793093258930334,"prev":56749,"subject":"mcp_registry:io.usefulapi/papershift","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xbf101b2cb9559ddb5fa8968813674075b57df1aeb6133571f1e3b3d072c8e3fd
2. 0xcb1f7223cf2dcdef675744d266cf249f846e4a07adc3e5083d8f5f39e8aafe05
3. 0xf02c8e22cf0cd6dd24fe5f6ada4347f69854103eac38d1a6aff8ba66dc059621
4. 0xafbe2867f3db9aa55242c9ca9f624e41e2e25a75ddb46b33d9f1246bc583a94d
5. 0x6a618c3efb2a3052e83d21bb63d242999c1e6c601f4190f426f643b6f716b564
6. 0xdd89995a9c95c75aa96c10bd42ef834a70e5d047c49bdea1d52ff636c950c943
7. 0xff3499a52f1998a4ea2c0327b0bc3127045f70133ff39617239f32f5e4b92f92
8. 0xa9eec6affd297de82f93860b25a83b3eb79ca7355a96d1d1db86510bc7543bd5
9. 0xb471b20e4729cb08a89975148ce4eaa6b4e4f97984e8a193a21479176c74df23
10. 0x86357f633e841a288376a6df0063a5f89704dab7434fa21215987c80623236a0
11. 0xd56d79fc64fcae6a2e1352c41b43956079c13a181e210c5add0c9bcf961987ef
12. 0xa9bcdb8be937595e637058d98ed979d02cbac590262daa97def86c50ca63628b
13. 0xb4800af1fe2ae822adba5c087faf1dc0bc2d7c9de2e3e602a2b65aefc1d53c94
14. 0xa453d1738637a5c663802d07ce095aa340c80d53a4288ae277a72e265868ce4e
15. 0x73341bb09dd901ca47f26173883431496e3d98d6b0fb5b89f36218126d46c5d4
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4