If you want to digitally sign and timestamp your documents just visit: http://card.aloaha.com:8081/sign.aspx
The PDF signature function is based on the SignPDF Web Service as explained on http://card.aloaha.com:8081/default.asmx?op=SignPDF
A complete Web Services list you find on http://card.aloaha.com:8081/default.asmx
If you you like this solution and you want to run it at your place please note that you need to install the Aloaha Time Stamping Authority for the Time Stamping and Web Services and the Aloaha PDF Suite Enterprise for the PDF Signature APIs.
