Evidence row 30488

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://mcp.posthog.com/mcp"
    ],
    [
      "mcp",
      "https://mcp.posthog.com/sse"
    ]
  ],
  "name": "PostHog MCP Server",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-01-07T16:34:40.847754Z",
        "status": "active",
        "statusChangedAt": "2026-01-07T16:34:40.847754Z",
        "updatedAt": "2026-01-07T16:34:40.847754Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Official PostHog MCP Server for product analytics, feature flags, experiments, and more.",
      "name": "io.github.PostHog/mcp",
      "remotes": [
        {
          "headers": [
            {
              "description": "Bearer token with your PostHog personal API key. Create one at https://us.posthog.com/settings/user-api-keys with the 'MCP Server' preset.",
              "isRequired": true,
              "isSecret": true,
              "name": "Authorization",
              "value": "Bearer {api_key}",
              "variables": {
                "api_key": {
                  "description": "Your PostHog personal API key",
                  "isRequired": true,
                  "isSecret": true
                }
              }
            }
          ],
          "type": "streamable-http",
          "url": "https://mcp.posthog.com/mcp"
        },
        {
          "headers": [
            {
              "description": "Bearer token with your PostHog personal API key. Create one at https://us.posthog.com/settings/user-api-keys with the 'MCP Server' preset.",
              "isRequired": true,
              "isSecret": true,
              "name": "Authorization",
              "value": "Bearer {api_key}",
              "variables": {
                "api_key": {
                  "description": "Your PostHog personal API key",
                  "isRequired": true,
                  "isSecret": true
                }
              }
            }
          ],
          "type": "sse",
          "url": "https://mcp.posthog.com/sse"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "services/mcp",
        "url": "https://github.com/PostHog/posthog"
      },
      "title": "PostHog MCP Server",
      "version": "1.0.1"
    }
  },
  "source": "mcp_registry",
  "summary": "Official PostHog MCP Server for product analytics, feature flags, experiments, and more."
}

What the leaf hashes

{"body":"5b6a2074e41724c6e256a9691a0afd17b510c1b30168c276d6fcff2900a9d887","id":30488,"kind":"listing","method":"baseline/1","observed_us":1793025362991053,"prev":null,"subject":"mcp_registry:io.github.PostHog/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. 0x55969e5161e55fb69e7351922008fb104c6f9a16e7d71df59f58dd9d29e99d07
2. 0x71de5877afc5f07ca45aadcc401311c9dd823b21e0289e4573c485e2587ec3b2
3. 0x0accec07e98ffd7e9621cef6c9de67767803f440d8804bd291e95904d46ab83b
4. 0x3b69c877de1e913704c6ad1ab350c79cc189cef6abe6d78102b0c8ece54fd798
5. 0xc153cc9b7194edcd08bd31e87a2a99122fda07eb879f95640ea4e6c62f15d762
6. 0x90869d88322af44083f7f76dd826dbf4fde26b6793d931e31984907f90599c46
7. 0x78f6cebcc6ac80f434ea3bd2e1f33295f600cf507879080cc08583d07232714c
8. 0x8b286fbcf75cc225bde16cfd4df737e2472e959e61f168d18df01537ba5c4af4
9. 0x5e213bdc1580737e42ad79b6f4d9525557bb386f49ea97fa5d1a0914a23f660d
10. 0x67cc9e33a20bfc6e2cc4190cfe822576e88db4e067580d9b03de61490ef43281
11. 0x8bfd0cb3fe1b89aff78054dc0373bbd54ebd61d68eb05854663a1667ccf265ff
12. 0x31b890f57b06aeb1ca9fb0cdc688bb75678ab9b2ff8ba49765e3d7bc0ae98597
13. 0x8ba3430866b4c11cea7eba9923ee4fa8a5074849df417006e4441426c1f13056
14. 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae