Verified65% confidenceFactExact time
Hacker News 的 Show HN 板块是 Y Combinator 旗下科技社区提供的展示频道，供独立开发者呈现产品和实验性项目
3
Sources
65%
Confidence
Long-term
Relevance
7/7/2026
First Seen
Sources
在3D地球仪上实时协作作画：Paint the Earth开源实验解析
hackernewshackernews7/6/2026
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