Evidence row 56681

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://laudus.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/laudus/"
    ]
  ],
  "name": "Laudus MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-26T06:47:20.268346Z",
        "status": "active",
        "statusChangedAt": "2026-10-26T06:47:20.268346Z",
        "updatedAt": "2026-10-26T06:47:20.268346Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read Laudus ERP customers, sales, purchases, stock and accounting reports; create customers.",
      "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/laudus",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://laudus.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/laudus",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Laudus MCP by usefulapi",
      "version": "1.0.0",
      "websiteUrl": "https://usefulapi.io/laudus/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read Laudus ERP customers, sales, purchases, stock and accounting reports; create customers."
}

What the leaf hashes

{"body":"73ed6a975d766321810927b70e83cd404ab8bb64456a6f410ae4344c3f95861b","id":56681,"kind":"listing","method":"baseline/1","observed_us":1793025440277104,"prev":null,"subject":"mcp_registry:io.usefulapi/laudus","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. 0xbd2f737e53d1e771b8b4e02dffc43b697dc38bdaff936bf9a3e0dc20360ade7f
2. 0x07d17f05418f7201acbacc292c1ae104cc915a9526ca36992bf20626a7a8a673
3. 0xdd4e53332a89b37def5680ab66924a7ff25fad447a69f9cb9291ab6f4ebd1987
4. 0x831aa3b3250f3647b80262c23c81d71c4f91eeb321f2fab41a3f77c3e7e06aaf
5. 0x1abd4fdde8dfa3411635d66e99411822e2fe13ebc2cc4e05ec7f8e01e14840cf
6. 0x5ffe31fcbd87dfe6eb02ca222339ffd8686698648106d32a144a354ec4849077
7. 0x54aeb4117ccc33a90a9307c08aaeade8290bf0fb950c0e77d16bb23be7eb80c6
8. 0xbb0492b5a85a05fb1459bbb9342d60a25cad979e1b8a0756dc969e45d4c6326a
9. 0x64a2f21b5af86d870bb79dbf55048006abbad7fee92c3e44e2ea5cf5c80c86af
10. 0x70fe24d78b58f8abec40e79e3452c3ede45cf737f4a71973b737bc6cdda64101
11. 0x135102b1595b48b3b1604ed9b55766b9654dc2e33631a8be15cb316d09a36075
12. 0xa6f71fd6c3a59323bf7c5386a54935b14c555d8c717289cc73700f56d86994cd
13. 0xd5b5bb5812612371a70171b2252d90e95bb0581ea5a3be198122adc8442e4f79
14. 0xf692ce2b0a640ec9f75aa960e5fb1c2c7091a04e24881798735752c19014e519
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae