Unverified50% confidenceFactExact time
EPUB 是由国际数字出版论坛（IDPF，现已并入 W3C）制定的开放电子书标准，本质上是包含 HTML5、CSS、图片及元数据的 ZIP 压缩包
1
Sources
50%
Confidence
Long-term
Relevance
7/18/2026
First Seen
Sources
Related Claims
UnverifiedThe ZIP container as a file format is a proven design pattern; OOXML, ODF, EPUB, and Sketch files all use ZIP to contain structured data and media resources.63% similarUnverifiedEPG 数据通常以 XMLTV 格式分发，这是一种基于 XML 的开放标准，通过 tvg-id 字段与 M3U 播放列表关联61% similarUnverifiedThe .docx format is based on the Office Open XML (OOXML) standard, which was designed under Microsoft's leadership and became the ECMA-376 international standard in 2006.57% similarUnverifiedDocument Picture-in-Picture API 于2023年被纳入 W3C 草案标准，允许任意 HTML 内容在独立浮动窗口中渲染57% similarVerified由Adobe、微软、英特尔等科技巨头联合发起的C2PA通过在内容文件中嵌入加密签名的元数据，记录内容的创作来源、编辑历史和生成方式54% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/556512API
curl https://kongchang.com/api/v1/knowledge/claims/556512MCP
get_claim(id=556512)