Unverified50% confidenceFactExact time
C2PA内容溯源标准由Adobe、微软等公司推动，通过在文件元数据中记录内容的创建和编辑历史来追踪来源，但尚未被广泛采纳且元数据可以被轻易剥离
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/5/2026
First Seen
Valid until: 12/4/2026
Sources
Related Entities
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https://kongchang.com/claim/862153API
curl https://kongchang.com/api/v1/knowledge/claims/862153MCP
get_claim(id=862153)