1989 - AetherCore Systems founded. Initial research focuses on digital entities capable of sustained presence and practical assistance.

1989-1994 - First stable companion units enter limited testing. Early versions of the operating environment (later named NexusOS) are deployed.

1996 - Original Series enters broader availability. Construction and creation tools form the primary feature set.

2003-2008 - Continued refinement of NexusOS. Interface language remains consistent with contemporary productivity environments of the period.

2014 - Current Series introduced. Construction capacity is reduced in exchange for defensive response functions. Core architecture remains shared with the Original Series.

2019-Present - Ongoing maintenance of both series. Focus remains on reliability, continuity of identity, and long-term companion function.