[KongchangAI]
Unverified50% confidenceFactExact time

C2PA(内容溯源与真实性联盟)推动数字水印和元数据标准,试图在生成源头嵌入不可见的身份标记

1
Sources
50%
Confidence
Long-term
Relevance
7/15/2026
First Seen

Sources

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Stable URI
https://kongchang.com/claim/517201
API
curl https://kongchang.com/api/v1/knowledge/claims/517201
MCP
get_claim(id=517201)