Persistent Identity - Business Directory https://biz.prlog.org/tag/persistent-identity/ Persistent Identity - Free business directory on PRLog.Org, latest companies listed first. 60 Presence Engine https://biz.prlog.org/antiparty/ Antiparty Inc. develops stateful AI systems with patent-pending Presence Engine architecture. Published 11-paper research corpus in 2025 establishing foundation for persistent AI identity and continuous context retention.Wed, 13 May 2026 03:50:56 GMT