Evidence row 21462

What was observed

{
  "endpoints": [
    [
      "web",
      "https://www.tryaptora.com/"
    ]
  ],
  "name": "Aptora",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-27T17:17:14.785962Z",
        "status": "active",
        "statusChangedAt": "2026-09-27T17:17:14.785962Z",
        "updatedAt": "2026-09-27T17:17:14.785962Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "MCP server for the Aptora API: create assessments, invite candidates, pull grading results",
      "name": "com.tryaptora/mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "API key from Integrations → API Keys in the Aptora dashboard",
              "format": "string",
              "isRequired": true,
              "isSecret": true,
              "name": "APTORA_API_KEY"
            }
          ],
          "identifier": "@aptora/mcp",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "1.0.0"
        }
      ],
      "title": "Aptora",
      "version": "1.0.0",
      "websiteUrl": "https://www.tryaptora.com"
    }
  },
  "source": "mcp_registry",
  "summary": "MCP server for the Aptora API: create assessments, invite candidates, pull grading results"
}

What the leaf hashes

{"body":"c1d70befb186eeb002d4629e4d605044c1a8cac9615092ed8fc5e0aa4036d156","id":21462,"kind":"listing","method":"baseline/1","observed_us":1793025340273871,"prev":null,"subject":"mcp_registry:com.tryaptora/mcp","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. 0x243110834ed730fc2193fdc67f3a4ab0491d3fc18b94cade769b84a1974c037c
2. 0x7b5e292da4e3b3efd9d1e046c020108ea4a6a1ddfdf681308284021ec91b9dd7
3. 0x6a119533bbe0ea3ea8d9cc4ef2720fe5ea6e7d6fca62ab4f1c66e4568b19f713
4. 0x42cdb72fca5906b7250668b8cc9d0946bca01fc82fe1ce761217df9397ae47c7
5. 0x4acd52a20d67e1a85d65dd5457b6aa4797fd16d7a0d732b71f2855782ee5f1ce
6. 0xd555bb35f9e041a493d6146cc644d741bef53ae2da3d1b647788ce7376f1ff18
7. 0x4b6af88dac804049ec8cf26b41d9a9f767720a53a3524ce8f8bc9e7ac37fd3ea
8. 0x978958531254a4298420ec55c84a3366d31c07f117caa7fec6c225211ec5562f
9. 0x3bfb38f380d8dbf47928cadc45d6bd11b5134668387e8c5f016472eb81ece3f9
10. 0x2a32852d08f3dbad9d322dd91bc905c97a70f059d4f616e591b3fe5721ef2000
11. 0x395ecef2713b13f9a2a88fe836fbc1a4e94906043e3938cd3fd16627be6b95de
12. 0x2ceb9cc3a43f479e6ab73db5d3d474a93995fb4188ee45f71846b4cf537a0016
13. 0x830b2c874449c7499489eba2baa67d49f991298225763c0161b471621038d0fb
14. 0xd843afcced75dedd39194ff9bd12326b88099e6112686db2299392d022dc3146
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae