Evidence row 396087

What was observed

{
  "endpoints": [
    [
      "web",
      "https://psinglap.github.io/websearch-api-eval/"
    ],
    [
      "mcp",
      "https://websearch-api-eval.psberkeleymba.workers.dev/mcp"
    ]
  ],
  "name": "Web Search API Eval",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T02:28:37.618558Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T02:28:37.618558Z",
        "updatedAt": "2026-10-27T02:28:37.618558Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Web search API benchmark for AI agents: You.com, Tavily, Exa, Parallel. Results and charts.",
      "name": "io.github.psinglap/websearch-api-eval",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://websearch-api-eval.psberkeleymba.workers.dev/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "mcp",
        "url": "https://github.com/psinglap/websearch-api-eval"
      },
      "title": "Web Search API Eval",
      "version": "1.0.0",
      "websiteUrl": "https://psinglap.github.io/websearch-api-eval/"
    }
  },
  "source": "mcp_registry",
  "summary": "Web search API benchmark for AI agents: You.com, Tavily, Exa, Parallel. Results and charts."
}

What the leaf hashes

{"body":"25c45780136549ec833c4521cf361d9bd93df04762e74c0c1dab42c77bb1375f","id":396087,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793070167490818,"prev":null,"subject":"mcp_registry:io.github.psinglap/websearch-api-eval","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. 0x86b1bd63d496bbb79b374220f7f6f45e931e461754076a9022c444e3fab8c7f8
2. 0x2e50faa63d6bf9aec4eb50bb9cc8a56555097461c6ae2e631b84e362cae5075b
3. 0xf2de2b3ba1cdc7ede6f88b3d90d5ce81af3172842ae594ee32fe092fba830767
4. 0xdfe679e26205bed9b6e8767f26ebf2b16e8d8d570dbb52ff6bd46ddff6617671
5. 0x7b14a9ac454c82c3416420b5496cc98c8b8869c229a55f0dcd59649bd8f152d9
6. 0x5ab10d27cfc9eaa41658f4dcf2446ff55d3b1d77861975fdafae7a5b1e3ad936
7. 0x78593a987d4e2624651098e9ddd09385ecdf80a658cc86e54f3a51c5623d1fcb
8. 0x959c3ecf6242f2aeba6082ba16841f5b69ab57e2d15d5cfcc36334cdc6275a7a
9. 0x6379cb39cc0041e9f8862ab6094a764bf7f93412abd49a57f9d6f2204b426bf1
10. 0x62b856b44e16d175a37058c6919f0c4acdf69afdf756c53db4e59cf54aa2a004
11. 0xa422cf0aa2444c11b145e66f51596fb564431c83c30bc600fea79ecf01652ab4
12. 0xe5ce8ac1ba4d6152605e0a032058cac5906d85f82e3fda1ad44852337b713b17
13. 0x07d414626f116f3edc6ddb34183ed02538c3a805fec6db00f9d764f8fd595d04
14. 0x4964f0806efde5ed25f60da2b45d78cd2e0f07d67e64aad2822f6016ad973c47
15. 0x3c500ec3d3edf0c74b87a6ca8fcd77656bfbe03db3d478bd0c184d0c88839c6b
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4