Evidence row 31934

What was observed

{
  "endpoints": [
    [
      "web",
      "https://github.com/VelvetSP/web-retrieval-mcp"
    ]
  ],
  "name": "web-retrieval-mcp",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-06-02T18:21:44.130501Z",
        "status": "active",
        "statusChangedAt": "2026-06-02T18:21:44.130501Z",
        "updatedAt": "2026-06-02T18:21:44.130501Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "MCP web search + tiered web fetch for AI agents (Exa, Firecrawl), SSRF-guarded, cross-platform.",
      "name": "io.github.VelvetSP/web-retrieval-mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Exa API key (free tier at https://exa.ai)",
              "isRequired": true,
              "isSecret": true,
              "name": "EXA_API_KEY"
            },
            {
              "description": "Firecrawl API key (free tier at https://firecrawl.dev)",
              "isRequired": true,
              "isSecret": true,
              "name": "FIRECRAWL_API_KEY"
            }
          ],
          "identifier": "web-retrieval-mcp",
          "registryBaseUrl": "https://pypi.org",
          "registryType": "pypi",
          "transport": {
            "type": "stdio"
          },
          "version": "0.1.2"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/VelvetSP/web-retrieval-mcp"
      },
      "title": "web-retrieval-mcp",
      "version": "0.1.2",
      "websiteUrl": "https://github.com/VelvetSP/web-retrieval-mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "MCP web search + tiered web fetch for AI agents (Exa, Firecrawl), SSRF-guarded, cross-platform."
}

What the leaf hashes

{"body":"ca42ba9551bdb048761034f56d3402b41e1e18e2d85ab29fb03ed6703a4a4f62","id":31934,"kind":"listing","method":"baseline/1","observed_us":1793025365597454,"prev":null,"subject":"mcp_registry:io.github.VelvetSP/web-retrieval-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. 0x4b60125b587fd1802bc7c4f8db5eab2ef23fc2a71770a1a4dd95dcafeed9167c
2. 0x0170fded84ad86ef9030027d364b843fe33bfe4c2e22fd3054ee2f6faf6ffc00
3. 0xe4febc2bfd8f5db153d5084f554992afa008ab69a0bedcd687ec95d5785c4dbf
4. 0xd2c2abbb6028bd06eb882bf4e70dee4bfc186a25e27fa48e62f658550c3b2373
5. 0x067d8554542af9e95a04a723c8c9d0c36a07b84836c9d16066b888cb7971f0ef
6. 0x8a7c22f3276bf8ad5f2cfbabfccc8ead1f3abec6245d6bc87ce9fbcc689209d1
7. 0xd50646b0d09b80f797c64176ba2ef6de5165d8e5d11563243d60e571e1034567
8. 0x5ff4629588e8b2fa72cd3a21e061c74c82ac2bbe110700737e468f5af264c1cc
9. 0xd9fec419854781c01bc6e04adf75047f7cdd30a00e0f64681ee0aa692f103a7f
10. 0x77906d5c968e333ccf1fa753ad433ddd2f73cdae1a77e40d7dd214cccca89aa2
11. 0x401a323dfcffdb4ec1a75537dabf1f5c7403e6d01d2965f0f6eba13263cf7c64
12. 0x67ae8949b58cb7b0dd4cfa0f9aeeee715e0ae6b87fef0ba46483bbf280004c53
13. 0x1ffd24a0422348bb2305058cc138e276511e1c074bf8139af5b773941f0e5de2
14. 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae