Contract tamper-resistant scenarios
After the contract is sent, printed, and archived, quickly verify whether the document has been modified through the invisible watermark to prevent the risk of "yin-yang contract" and content replacement.
xidean digital watermark system
Provide "invisible" anti-counterfeiting protection and accurate verification capabilities for paper documents and contracts.
Image List
Invisible watermark, visible security
After approval, the document is automatically written into the invisible watermark, which is invisible to the naked eye after printing, and can also realize the anti-counterfeiting of paper documents.
Whether the document has been changed, it will be known once it is tested
Contracts issued do not need to be reprinted for comparison, and can be quickly verified for authenticity and integrity through invisible watermarking
Even if you change just one word, you can recognize
More accurate than traditional OCR alignment, any content modification, replacement, tampering can be detected
Secure and anti-counterfeiting without affecting the layout
No need for QR codes and obvious watermarks to achieve anti-counterfeiting protection without affecting the aesthetics and format of the contract
The seal can only be sealed if the seal system is verified in conjunction with the seal system and the seal is verified to be
Seamless integration with the xidean seal system, automatically verifying invisible watermarks before seal usage to prevent erroneous file seal usage
Applicable Scenario
Applicable Scenario
Authentication of paper documents
It is suitable for paper agreements, official letters, certificates, authorization letters and other scenarios to quickly verify the authenticity of documents and avoid the circulation of forged documents.
Group seal usage verification
Automatically check the invisible watermark of the document before seal usage to ensure that the "approval document" is consistent with the "actual sealed document".
