Evidence row 294008

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://mcp.firecrawl.dev/v2/mcp"
    ]
  ],
  "name": "Firecrawl MCP Server",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-26T21:20:37.6577Z",
        "status": "active",
        "statusChangedAt": "2026-10-26T21:20:37.6577Z",
        "updatedAt": "2026-10-26T21:20:37.6577Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Firecrawl, the context API for AI agents: search, scrape, interact with the web, plus paper search.",
      "name": "io.github.firecrawl/firecrawl-mcp-server",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Your API key for Firecrawl",
              "format": "string",
              "isSecret": true,
              "name": "FIRECRAWL_API_KEY"
            }
          ],
          "identifier": "firecrawl-mcp",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "3.35.0"
        }
      ],
      "remotes": [
        {
          "headers": [
            {
              "description": "Optional. Bearer <FIRECRAWL_API_KEY>. Get a key at https://firecrawl.dev/app/api-keys",
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://mcp.firecrawl.dev/v2/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/firecrawl/firecrawl-mcp-server.git"
      },
      "title": "Firecrawl MCP Server",
      "version": "3.35.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Firecrawl, the context API for AI agents: search, scrape, interact with the web, plus paper search."
}

What the leaf hashes

{"body":"a6c79537fe8bc68bfe99e525b18d569b28ba6b9fb10b39a8aa88c5a5c0afd671","id":294008,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793049820206100,"prev":37231,"subject":"mcp_registry:io.github.firecrawl/firecrawl-mcp-server","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. 0x0ed62ccd6676a0c63ebdf8a8958f27cf4104fe9f9f2cb4c3151bd5f94930d68f
2. 0xe6da4a3e33d00222eb724d174027f3877132c29da93d8d394b473740cf71e6ff
3. 0xf659af1d1549f1e1c0a398788d2fb7c7a78a1119034f8f491f1544ebef2786fd
4. 0x8de62cdbfe4350c8532badabfc95b2920626e41f875cc46799e7c7b57b57f713
5. 0xe4ae9e805cd5a1e65c0209b4e05f52fe04772fca6cbd496343697ca421cdf3ed
6. 0x77b9afe8a7f0f0642d095dc099819ce5767e97dd251dd126a1331489830d0422
7. 0x6ce9c1dad603af82cf9e3492590406b6423efebc4eb16d2c216e78b39466e861
8. 0x39c993aee2a5428d6a0c92ddbb1ef8996dcb2fc69064c931cbadde141c775e27
9. 0x061f864aa82c22129e1031b68ea919327e35db597f44b1fc37a1f37afe9f7869
10. 0x71ffcb65a88e86a1eb62c2f563421c7dd09940039307ac72165f6ab3e008aaa6
11. 0x1e6a5f0042a4b7776e54cf79ce729b60eac17c4eb209cc9613fcd31c9fa0d26c
12. 0x129649b2ec48fbc611fb055c3f5627bda42692beb65d09e853d75bcda4e06239
13. 0x294f7935f78a896b5f246a7c9a7ee1b023720acdb03fff3cd549c63479848ec9
14. 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae