Evidence row 581647

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": "2026-10-27T23:06:39.322741Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T23:06:39.322741Z",
        "updatedAt": "2026-10-27T23:06:39.322741Z"
      }
    },
    "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": "3.36.0"
        }
      ],
      "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": "3.36.0"
    }
  },
  "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":"152601e80e96eb5a0ca80ab8a9993be922c0691f286d864f1f9f3bce544eaedd","id":581647,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793144466763917,"prev":294008,"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 2026-10-27 (273461 rows).

1. 0xc8eb1eaccdeb79558af1f9e502777eda5b0773484d03cd82069e49c8c1250e6f
2. 0xfd316d9c0790a62d8fdd2edf33a50eca0301481c0fd9a29e1ab5d1adf0a150e1
3. 0xac44054f2fc135903f3709b44ebc7e334b3ba58236a2de65214c8980da1ac359
4. 0x015a08a5c108917748a5c673a3eacda44eaf1fc00e8d2585e0a22f91f9b211b9
5. 0x7e8038a8e93a97978309caa24e4d71ace7ce1baebf055b6ddf62882fa4055a65
6. 0xd16d0f4e592c1127f303ab10a0d151e54ad016a2d1c0039ddd9504f1bdf9b151
7. 0xd0ef73ef83d7f1d0c918cdc147546daedb88f6edd1bc44486c2d5b7af8ed1498
8. 0x5caa67bd16b3856a0474f7509ec7aa914cec2260cdd98422adb5fb515533aa38
9. 0x3a407ab4f91eea58ed686cd5544977e3e347331ce091eb3fa2909e77bd48d5a3
10. 0xc07f68881be9c6fd04904f0cba37bbbe3a2a90327d812665083d299dcb343ba7
11. 0x057a79dae7284d2b0542272663bf1bcad5f3c4a13e38a7fdd7392ad650b50c86
12. 0xd16d7e5f125e1d777c4add2d34626605aa2a6b03288469395f9c1f401de8e9e1
13. 0x938752e9acd199cd15f468392bc2dd8eefc52293e7144e30b87b241ca6b2513b
14. 0xcc49fd573532e5a29f5be4033f62a2eff71456c020bd2258312b98e95cfe301e
15. 0x969cd44e5a4e8dc3110540398fbf689659eb51df735c1cda5d8f021ef9ff5683
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4