| 主权项 |
1. Method for providing a way to verify the integrity of a document, wherein the method comprises the following steps, in order:
a) creating a digital signature of the document, associating the digital signature with the document and storing both the document and the digital signature in a central server; b) publishing the document with a visibly embedded piece of information from which the digital signature can be deduced; c) providing a communication channel over which a third party can send a depiction of the published document to the central server; d) accepting said depiction of the published document in the central server, deducing, in the central server, the value of the time-stamping signal from the piece of information visible in the depiction, and finding, in the central server and based upon the piece of information, the document; and e) if the document was found in the central server, communicating to the third party that document itself and/or information pertinent to that document. |
