Unverified50% confidenceFactExact time
The CC BY 4.0 license allows anyone to freely copy, distribute, and adapt the work, even for commercial purposes, with the only hard requirement being to retain attribution to the original author and note whether modifications were made.
1
Sources
50%
Confidence
Long-term
Relevance
10/14/2026
First Seen
Sources
Related Entities
Related Claims
Unverified作品一经创作完成即自动获得著作权保护，无需登记或额外证明，原创性推定本应站在创作者一方73% similarUnverifiedThe project uses the CC0 license, meaning it fully waives copyright and enters the public domain, allowing anyone to freely use, modify, and distribute it.71% similarUnverifiedCopyleft机制的法律效力建立在版权法中衍生作品概念之上，用版权法保护软件自由70% similarVerifiedIn the absence of an explicit license, code is protected by copyright by default, and others have no right to copy, modify, or distribute it.66% similarUnverifiedThe BSD 3-Clause license allows free use, copying, modification, and redistribution of code, with the sole restrictions being that the original copyright notice must be retained and the original project name may not be used for endorsement or promotion, and derivative works are not required to be open-sourced65% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/1030168API
curl https://kongchang.com/api/v1/knowledge/claims/1030168MCP
get_claim(id=1030168)