Evidence row 34596

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://freetoolhub.org/api/mcp"
    ],
    [
      "web",
      "https://freetoolhub.org/mcp/"
    ]
  ],
  "name": "FreeToolHub",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-15T02:10:28.696548Z",
        "status": "active",
        "statusChangedAt": "2026-09-15T02:10:28.696548Z",
        "updatedAt": "2026-09-15T02:10:28.696548Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "_meta": {
        "io.modelcontextprotocol.registry/publisher-provided": {
          "categories": [
            "finance",
            "tax",
            "business",
            "developer-tools",
            "productivity",
            "ai"
          ],
          "freeTier": "50 calls/day per IP",
          "protocolVersion": "2024-11-05",
          "tool": "manual",
          "toolCount": 44,
          "transportNote": "Stateless, POST-only JSON-RPC. Implements initialize / tools/list / tools/call. GET returns 405 (no server-initiated SSE stream) and no Mcp-Session-Id is issued — both explicitly permitted for stateless servers by the Streamable HTTP spec. Verified end-to-end with the official @modelcontextprotocol/sdk StreamableHTTPClientTransport."
        }
      },
      "description": "44 calculators for AI agents: US tax, finance, business + an MCP engineering & security suite.",
      "name": "io.github.cavan1977/freetoolhub",
      "remotes": [
        {
          "headers": [
            {
              "description": "Optional. Free for 50 tool calls per IP per day without a key. Supply a key to lift the daily quota.",
              "isSecret": true,
              "name": "X-API-Key"
            }
          ],
          "type": "streamable-http",
          "url": "https://freetoolhub.org/api/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/cavan1977/freetoolhub"
      },
      "title": "FreeToolHub",
      "version": "2.0.0",
      "websiteUrl": "https://freetoolhub.org/mcp/"
    }
  },
  "source": "mcp_registry",
  "summary": "44 calculators for AI agents: US tax, finance, business + an MCP engineering & security suite."
}

What the leaf hashes

{"body":"5799dddc9de9d1f3e94568debf917db5d43067cbd596a69bc5a29fb59b99ded3","id":34596,"kind":"listing","method":"baseline/1","observed_us":1793025371003611,"prev":null,"subject":"mcp_registry:io.github.cavan1977/freetoolhub","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. 0x90cb9e9f264e9ddffd465642aeb4c8cb310d8ba6f6ffd9603b37c1f28ef29132
2. 0xd0231a31346b6828d9e2efec5eced383f72d702c89f4baa53ace3872655eecde
3. 0xe7a0a34462fca1f3a861b5892449b0cce7cd511490097397a62b6f6bca7cfda4
4. 0x0f0b83421f96631e6a1667e59c8382362f9a6da7e993a60d24e21aa2cc4c5a1f
5. 0xb4630871306d542bb2940ee4db9eab09fe206f07636743585c3280248f976945
6. 0xa9d6d2386cca6beaf055a86bf11b39eb72a494313ba239ffde35ffe02bdab7d5
7. 0x5466672d9d077db6ce74af409e66f0092d42eea5cc8e1cd5c0c79828204ab7e7
8. 0x15f48c3dcfc8fc95d0a12ca37e575b3ca8bd7ea44b76e41d4d337b866dd03fe2
9. 0xd6cb299383c65630bd27f540514dc02fdf258e87279dfa074726ec00f5cb65df
10. 0x5d6495469a224b0c8739fabdb7652717dcf778029d8f8eb34051fdf9d5ed5ee5
11. 0x6c9f1a764b7efa4ca549bf1cbbf8b397ce3c92cc35a0932f2dbf0706ae892c07
12. 0xe131b224ee3c295dfa790b458d9daa11e2a32e6131c280c6be7d92190c756a88
13. 0x45c1d3062bbe98a6b1540c7e2ccf6516eedd6ef07fdfeb1ba77ee6272970447c
14. 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae