37. A computer implemented data object registry method, comprising the steps of: providing a data object registry for registering data objects; providing a database for receiving, storing, and allowing access to data objects concerning a plurality of topics, meta data created at a time of entry of said data, meta data comprising at least one annotation concerning said data, and meta data comprising access statistics concerning said data; providing a viewing tool for allowing user access to data in said database; representing a plurality of registered data objects in said data registry as a hash table entry; wherein each hash table entry identifies a corresponding data object's location, representation, and any associated meta data; and wherein each hash table entry comprises an index hash, a cryptographically strong signature for verification and security, a data identifier, and a meta data identifier; and using said viewing tool to access data objects in said database via said data object reentry.
42. The method of claim 37 , further comprising the step of: computing a signature of a data object using a data object type and content; and wherein said signature is computed using a cryptographically strong technique.