A method includes transmitting a request to a server from a mobile device. The request may be initiated by an application executing on the mobile device. The method includes receiving a message at the mobile device from the server. The message may include first validation information and information indicating a location where the mobile device can retrieve content. The method includes retrieving the content from the location indicated in the message, and generating second validation information based on the retrieved content. The method includes validating the content based on a comparison of the first validation information and the second validation information. The method includes selectively storing the content based on whether the validation of the content indicates the content is valid. The content may be stored for subsequent publication at the mobile device via the application. The content may be published while the mobile device is offline.