US Patent 10114970 Immutable logging of access requests to distributed file systems

Provided is a process including: receiving a request to access a distributed data store, wherein the distributed data store stores a plurality of units of content that are each distributed among multiple computing entities hosting different subsets of data of the distributed data store; and causing, with one or more processors of a computing device configured to participate in combining the information from the plurality of computing entities to access units of content, logging of the request in an entry in a tamper-evident log.