{
  "company": {
    "name": "SilentSky",
    "website": "https://silentsky.co.kr/",
    "record": "https://startuphistory.org/c/silentsky.co.kr"
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      "variants": [
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          "subhead": "Silent Sky specializes in drone noise reduction. Through innovative approaches to testing and manufacturing, Silent Sky aims to make drones quiet enough to take part in our everyday lives.",
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      "subhead": "Silent Sky specializes in drone noise reduction. Through innovative approaches to testing and manufacturing, Silent Sky aims to make drones quiet enough to take part in our everyday lives.",
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      "quote_observed_at": "2026-07-14T04:35:56.000Z",
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        {
          "headline": "\"Rapidly optimized propellers for every drone\"",
          "subhead": "Silentsky specialize in high-performance, custom-designed drone propellers—rapidly prototyped and precisely engineered using advanced 3D-printed mold technology. From hobby drones to UAM platforms, we",
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          "evidence": "https://web.archive.org/web/20251115065810/https://www.silentsky.co.kr/",
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          "evidence_kind": "internet_archive"
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        {
          "headline": "\"Rapidly optimized propellers for every drone\"",
          "subhead": "Silentsky specialize in high-performance, custom-designed drone propellers—rapidly prototyped and precisely engineered using advanced 3D-printed mold technology. From hobby drones to UAM platforms, we",
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      ],
      "headline": "\"Rapidly optimized propellers for every drone\"",
      "subhead": "Silentsky specialize in high-performance, custom-designed drone propellers—rapidly prototyped and precisely engineered using advanced 3D-printed mold technology. From hobby drones to UAM platforms, we",
      "from": "2025-11-15T06:58:10.000Z",
      "to": "2026-07-14T04:35:56.000Z",
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      "before_evidence_kind": "internet_archive",
      "kind": "headline",
      "label": "Headline",
      "summary": "Changed its homepage headline from “\"Driving the drone industry forward through silent innovation\"” to “\"Rapidly optimized propellers for every drone\"”.",
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        "to": "2025-11-15T06:58:10.000Z"
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    {
      "name": "Whisper Aero",
      "record": "https://startuphistory.org/c/whisper.aero",
      "basis": "description_similarity",
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    {
      "name": "D-Propulse",
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    },
    {
      "name": "Streamline Systems",
      "record": "https://startuphistory.org/c/streamlinesystems.ltd",
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    "version": "messaging-v1",
    "description": "https://startuphistory.org/method"
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  "license": "CC-BY-4.0",
  "cite": "StartupHistory, “SilentSky” company record, https://startuphistory.org/c/silentsky.co.kr"
}