Are the foreign documents in sci-hub original?

Yes Sci-hub is an academic service website integrating document retrieval, document download, document analysis and management, and document mutual assistance. In addition to Google Academic, Sci-Hub, LibGen and PubMed, a series of other Chinese and English academic resources that can be publicly obtained on the Internet are also integrated. All foreign documents are original, and domestic and foreign academic materials such as documents, patents and books can be searched and downloaded for free in one stop, which provides great convenience for researchers' literature research work.