42. The system of claim 40 , wherein combining and signing the electronic document and the actions-taken information comprises: signing the actions-taken information; combining the electronic document and the signed actions-taken information; and signing the electronic document, which includes the signed actions-taken information, to generate the signed document.
42. The system of claim 40 , wherein combining and signing the electronic document and the actions-taken information comprises: signing the actions-taken information; combining the electronic document and the signed actions-taken information; and signing the electronic document, which includes the signed actions-taken information, to generate the signed document. 44. The system of claim 42 , wherein: signing the actions-taken information comprises signing with a private encryption key associated with the document control system; and signing the electronic document, which includes the signed actions-taken information, comprises signing with the private encryption key.