A system for acquiring time limited data to facilitate integrity verification in real-time applications (RTAs) includes an agent and a collector. The agent is associated with a RTA and is in communication with the collector. The agent defines a plurality of time ordered time frames and during each time frame collects a collection of events from event sources occurring on the RTA. The agent calculates a local integrity check from the collection and a previous integrity check or an initial key, and transmits a global integrity check calculated from local integrity checks to the collector. The collector receives the global integrity check from the agent and stores the received global integrity check in a secure storage. The collector validates the integrity of the global integrity check and the received collections of events.