Evidence row 406403

What was observed

{
  "endpoints": [
    [
      "web",
      "https://apify.com/fairfetch/keyword-research-mcp"
    ],
    [
      "mcp",
      "https://fairfetch--keyword-research-mcp.apify.actor/mcp"
    ],
    [
      "mcp",
      "https://mcp.apify.com/?tools=fairfetch/keyword-research-mcp"
    ]
  ],
  "name": "Keyword Research MCP: autocomplete, search volume, difficulty and Google Trends",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T05:44:09.97907Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T05:44:09.97907Z",
        "updatedAt": "2026-10-27T05:44:09.97907Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Pay-per-call keyword research via Apify: autocomplete, volume, CPC, difficulty, ideas, Google Trends",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://raw.githubusercontent.com/fairfetch-data/keyword-research-mcp/main/icon.png"
        }
      ],
      "name": "io.github.fairfetch-data/keyword-research-mcp",
      "remotes": [
        {
          "headers": [
            {
              "description": "Bearer <your Apify API token>, or leave empty and sign in with OAuth. Token: https://console.apify.com/settings/integrations",
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://mcp.apify.com/?tools=fairfetch/keyword-research-mcp"
        },
        {
          "headers": [
            {
              "description": "Your Apify API token (this endpoint has no OAuth sign-in). Token: https://console.apify.com/settings/integrations",
              "isRequired": true,
              "isSecret": true,
              "name": "Authorization",
              "value": "Bearer {apify_token}",
              "variables": {
                "apify_token": {
                  "description": "Apify API token from https://console.apify.com/settings/integrations",
                  "isRequired": true,
                  "isSecret": true
                }
              }
            }
          ],
          "type": "streamable-http",
          "url": "https://fairfetch--keyword-research-mcp.apify.actor/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/fairfetch-data/keyword-research-mcp"
      },
      "title": "Keyword Research MCP: autocomplete, search volume, difficulty and Google Trends",
      "version": "1.0.0",
      "websiteUrl": "https://apify.com/fairfetch/keyword-research-mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "Pay-per-call keyword research via Apify: autocomplete, volume, CPC, difficulty, ideas, Google Trends"
}

What the leaf hashes

{"body":"084e10b2be3dcdc265cf8ce0b0b96cdf7be0ca4d1a645ef2dc2db4b69c6b687b","id":406403,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793080206626657,"prev":null,"subject":"mcp_registry:io.github.fairfetch-data/keyword-research-mcp","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x356bb1cf26efeb968ca5f45e451853c97455e91da39ad6f099a6134d4c8b497c
2. 0x015493a412900c1dbb3f46dc4f503cf531c011af736b1bfc2375b6d6a41726f8
3. 0x4c2b850bd64bba818eb5e4d251fb2372e73d75f7c3ec40847f00bcc6f01ca7a7
4. 0xb3c2853956d781b44df0be3b525ce9f71daf51ab3d55a1f6781e70d3ac9d7f64
5. 0x3eb77b1bdd108148abd40b632a72ddf4f91abaf8841cf4678308c60d677ea694
6. 0x6062d812461f012a11bdd0dc2822a19e1db00e5b0199b18034b0c0165b05392f
7. 0xb89ca7e874a78d3b4932201f49926b872ec533d025eb6a4fab8506394058b41a
8. 0x653f81ec2542f748529eb0d25c70ccf327a39bff9e5b76eac9a10edbbaabfa74
9. 0x339fac805878b2c85ff1bc70742a96d2b3d87925289f8890098e01ce5c5f6286
10. 0x45034b1f6c5ebc39680cf8c4851196837680a23fba48314336cce947015fb3a8
11. 0x7d16ca26502bd3cffc15f5f1d96c750b48f891e77865e69e164c7296932a66f7
12. 0x0491d1aef43a95c6e235bd50f122c12c8c56196bb71b329f055061f0e9ee7115
13. 0x5a83a2d5b2abb340c16172caf3ef83b831e168d2e94e4154a4ad72adcac5cad2
14. 0x595de2dea3b8fa56dbd6142dd78ae79f3e7169c631e41a844b100613abb3e430
15. 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4