Evidence row 1828807

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://ispring-learn.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/ispring-learn/"
    ]
  ],
  "name": "iSpring Learn MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-01T20:36:08.961122Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T20:36:08.961122Z",
        "updatedAt": "2026-11-01T20:36:08.961122Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read users, groups, departments, courses, content and enrollments in iSpring Learn.",
      "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/ispring-learn",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://ispring-learn.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/ispring-learn",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "iSpring Learn MCP by usefulapi",
      "version": "1.0.0",
      "websiteUrl": "https://usefulapi.io/ispring-learn/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read users, groups, departments, courses, content and enrollments in iSpring Learn."
}

What the leaf hashes

{"body":"d96494efe74ba2660e105d2075e6f3d2ee9b3c6e9101840e43040076e8e4bd5d","id":1828807,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793567869197727,"prev":null,"subject":"mcp_registry:io.usefulapi/ispring-learn","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x22cb55ff1ab7dd89a9aacce292e59d5e3f908b869874f1ce86be2b99c59ff952
2. 0xb5b2aab318ef91ccfa8531582243698ade6615c3a2a3fb10d7d6d66cc4a76799
3. 0xf80094887f3b48c540fdff5ad51cab71064089623cebfab29ca6dd4e4854ad36
4. 0xeb9b158a1b906a7c87b4c36c279887a64dc0ac614ca6f3f5178fe43c8b726e60
5. 0x00ba6414c88aa63c30f506720c2dbfa0dc7e7b91fd92823d98d474cfdb30ae47
6. 0x9773882a19c31097608677eb9ea7a7da40d36c2b4f8cc864248eb93ab43dd811
7. 0xd247d03ad0c22bfcec63745c5e8188a872ec44a004b69d0260e4aa31a80c88bc
8. 0xf0117003f8f27cd1fce3ac5c28ec7dbb03d8a2f73aec3d24c1b7bc9375671df3
9. 0xb15aee9012bb2a76e4136d93a521154ea0d3e0e00efb1280f722667a5040bfe5
10. 0x4386f044b758e4b99361c623347a55d944ddd5989a33126e36a0f9bfa27dc396
11. 0xdc34bc947fc754ff993c05af1dc79146c6b33644b67271b652ed13d8ba50f0b3
12. 0xdfb60f69cac19b1ac7881e138fd331a8a5a530dc13ed1095b70c261d628f44d4
13. 0x9dd502d4ff98d6d9a3253ed5276781da0bbca65c29f44992970b6dcb262524b7
14. 0x3a1fd02b7b783283e5af93120711d3c5437e55d0f3e68e16f18cfe19e54cafd1
15. 0xb9d6fdc8e6fb3f4feffa2c18849d74fc34d8708b574a778ae149241a90aaf20b
16. 0xa856ad79e6f29a2b5516257f0d4817172cca11251fe2e7e8f3911b105fe2b622
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90