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  "provenance": {
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    "sources": [
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        "url": "https://clickhouse.com/docs/get-started/about/intro",
        "title": "What is ClickHouse?",
        "publisher": "ClickHouse",
        "observedAt": "2026-08-27T01:40:00Z"
      }
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  "freshness": {
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    "state": "current",
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    "maxAgeSeconds": 604800
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  "license": {
    "id": "source-terms-apply",
    "url": "https://clickhouse.com/legal/agreements/terms-of-service",
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}
