| http://www.w3.org/ns/prov#value | - cord 417, to indicate whether the signer should be required to consent to treat the document as a transferable record before he or she is permitted to sign; an indication of whether the document is secure 423, to indicate whether the document should be encrypted before it is transmitted to a signing user; user fields 419, 421 and 425, which allow entry of textual or other data to assist in subsequ
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