This policy addresses collection, use and security of and access to information that may be obtained through use of City of Oakland digital assets. If you suspect fraud, check available resources, such as references or databases that can verify information in a document.Document Verification: Notaries authenticate the identity of parties involved in a transaction, ensuring the legitimacy of any signing. A thief will combine your Social Security number with a different name or other fake creden- tials. What do I need to authenticate a document?