Evidence row 1237977

What was observed

{
  "endpoints": [
    [
      "web",
      "https://github.com/solaix/wordstat-mcp-server"
    ]
  ],
  "name": "Yandex Wordstat MCP Server",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-30T08:16:12.63185Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T08:16:12.63185Z",
        "updatedAt": "2026-10-30T08:16:12.63185Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Unofficial Yandex Wordstat MCP server for SEO keyword research, trends, and regional interest.",
      "name": "io.github.solaix/wordstat-mcp-server",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Yandex Cloud API key. Set exactly one credential: this or YANDEX_WORDSTAT_IAM_TOKEN.",
              "format": "string",
              "isSecret": true,
              "name": "YANDEX_WORDSTAT_API_KEY"
            },
            {
              "description": "Yandex Cloud IAM token. Set exactly one credential: this or YANDEX_WORDSTAT_API_KEY.",
              "format": "string",
              "isSecret": true,
              "name": "YANDEX_WORDSTAT_IAM_TOKEN"
            },
            {
              "description": "Folder ID required for user or federated-user IAM tokens.",
              "format": "string",
              "name": "YANDEX_WORDSTAT_FOLDER_ID"
            },
            {
              "default": "30000",
              "description": "Request timeout in milliseconds (1-300000). Server default: 30000.",
              "format": "number",
              "name": "YANDEX_WORDSTAT_TIMEOUT_MS"
            },
            {
              "default": "2",
              "description": "Maximum retries for transient failures (0-10). Server default: 2.",
              "format": "number",
              "name": "YANDEX_WORDSTAT_MAX_RETRIES"
            },
            {
              "default": "8",
              "description": "Maximum requests started per second (1-10000). Server default: 8.",
              "format": "number",
              "name": "YANDEX_WORDSTAT_MAX_RPS"
            },
            {
              "default": "100",
              "description": "Maximum logical requests per hour (0-1000000); 0 disables this limit. Server default: 100.",
              "format": "number",
              "name": "YANDEX_WORDSTAT_MAX_RPH"
            },
            {
              "default": "4",
              "description": "Maximum concurrent requests (1-100). Server default: 4.",
              "format": "number",
              "name": "YANDEX_WORDSTAT_MAX_CONCURRENCY"
            },
            {
              "default": "86400000",
              "description": "Regions-tree cache lifetime in milliseconds (0-2592000000). Server default: 86400000.",
              "format": "number",
              "name": "YANDEX_WORDSTAT_REGIONS_CACHE_TTL_MS"
            },
            {
              "choices": [
                "silent",
                "error",
                "warn",
                "info",
                "debug"
              ],
              "default": "error",
              "description": "Diagnostic log level. Server default: error.",
              "format": "string",
              "name": "YANDEX_WORDSTAT_LOG_LEVEL"
            }
          ],
          "identifier": "wordstat-mcp-server",
          "registryType": "npm",
          "runtimeHint": "npx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.1.0"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/solaix/wordstat-mcp-server"
      },
      "title": "Yandex Wordstat MCP Server",
      "version": "0.1.0",
      "websiteUrl": "https://github.com/solaix/wordstat-mcp-server#readme"
    }
  },
  "source": "mcp_registry",
  "summary": "Unofficial Yandex Wordstat MCP server for SEO keyword research, trends, and regional interest."
}

What the leaf hashes

{"body":"a9bb19ba806d300a63a16d83ca4e9304ade5b117640c4f261d4c5aaaf8d9cd31","id":1237977,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793351716092409,"prev":null,"subject":"mcp_registry:io.github.solaix/wordstat-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 2026-10-30 (243099 rows).

1. 0xed1d0d0ba292b82be97ade8653742ba42393641ed16cd303c803a94c4caaec4f
2. 0xbf36d39fc49b76d7181d1a6156eb3972867a33d1d9c7ff6a74fa444038925b35
3. 0x475fcec679cf8336c1ce3c9cc9bc164cbcb1a514f67c23193c64e23cde749c14
4. 0xd9d2d8220284c194e47f87acb1dc9ef02888a036a940b445244016d8708bb4bd
5. 0x55ea4a27accd1f948339a0ae0b319c14fe4c103270647372f86add6e94f4bdba
6. 0x1c1ea4fece201a39b29935d9a9ced25388c30f839ffbe08e1e2945394f020aa1
7. 0x75eef92f0e7a477a5301502ce61f03aa58f02e4157394f5be09a112dfa3d153a
8. 0xf4590234d511a7f4e554ee9a1f8344bb03a3c7e715db7c7c23f53fe386fe874c
9. 0x4badfba37dd12ec3ded84bddccbfcc065b68ee06d9b4f9266616f9747c38c9f8
10. 0xae9881bd6f2ed3be895f7fdb5dd7b56f5d4db17baecda8f9cdc3995b766ad386
11. 0x686d017bffd8bb3a0ca896b687ce4d4f20799c75c84b2b7ebc8fdb5d2f62be28
12. 0x2908b57ec5863fc27e3649606b46ec5a2818a2464f4a19174c020d4fd8780e06
13. 0xe74b8a5bc06a9232ee8afb3c06edda55c8b71304b37e8d1a772d97f50d4d5d01
14. 0x480837169e0b2dae12e25a5963879f1d41492816181ac128eeca59bf75b8d55d
15. 0xea7df1002501052c124b5aed2b1a5df3d59be54394c6a8539c86fad1df339a9e
16. 0xfbe61dc2d59668ac573e5eab865747e21d38bf2fe4c64762beef01f1018a4dea
17. 0x71e74c274b23c9047354edb6dcd2c654415e3986b8bd875dae992996ea12e22b
18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861