11. The computer program product as recited in claim 9 , wherein the program instructions executable by the processor to validate authenticity of the document further comprise program instructions executable by the processor to: generate at least one hypothesis mapping the document to reference information stored on the mobile device; determine a validity of the document based on the at least one hypothesis; and output an indication of the determined validity.
11. The computer program product as recited in claim 9 , wherein the program instructions executable by the processor to validate authenticity of the document further comprise program instructions executable by the processor to: generate at least one hypothesis mapping the document to reference information stored on the mobile device; determine a validity of the document based on the at least one hypothesis; and output an indication of the determined validity. 12. The computer program product as recited in claim 11 , wherein generating the at least one hypothesis is based at least in part on one or more of: textual information from the document; the reference information; and predefined business rules.