Disclosed are various embodiments relating to verifying a printed work comprises a correct number of pages. Associated with a stack comprising one or more pages is an identifier that may be used to obtain an expected value for a physical characteristic of the pages in the stack. A sensor may then measure an actual value for the physical characteristic of the pages in the stack. Before binding the pages in the stack, the expected value may be compared to the actual value in order to verify the stack comprises the correct number of pages.