With regard to real estate, the filing of certain documents (e.g., deeds, mortgages) with a designated public office (e.g., the county clerk and recorder), which office is authorized to receive the documents for the purpose of establishing a public record. A given county clerk and recorder receives documents related to property located in the county. Documents are “stamped” with the date and time received and a unique recording number (e.g., a book and page). Recorded documents provide notice to the general public as to the matters set forth therein. In addition, the recording stamp provides a method for assigning priority to liens against property.