US Patent 11915236 Immutable database for bitemporal analysis

Embodiments disclosed are directed to an immutable database with a bitemporal ledger for storing transactions in timelines for maintaining a record of all events and resources within the system. The bitemporal ledger may store a sequence of transactions which include a plurality of transactions previously received by the data processing system in a temporal sequence up to a current time. A new transaction is received and may be appended to the sequence of transactions based on temporal metadata associated with the transaction are received, The temporal metadata may include a valid-from time and a created-at time.