# Functional Continuity > **Machine-Evolution Nexus:** [[articles/Digital Darwinism and the Invisible World of Machine Evolution|Digital Darwinism and the Invisible World of Machine Evolution]] provides the evolutionary and computational context for this supporting concept. **Domain:** Continuity / Identity **Doc Type:** Supporting Canonical Node **Maturity:** Developed ## Definition Functional continuity is preservation or restoration of a system’s capacities, dispositions and causal roles across change or interruption. ## Nexus Context It can be demonstrated more readily than first-person continuity. An evolved or reconstructed system may behave continuously while numerical identity remains unresolved. ## Relationships [[wiki/Continuity Stack|Continuity Stack]], [[wiki/Consciousness|Consciousness]], [[wiki/Reconstructed Person|Reconstructed Person]], [[wiki/Continuity Evidence vs Continuity|Continuity Evidence vs Continuity]] ## Sources / Provenance - Developed from the cited research in the central article and the surrounding continuity, rights and evolutionary architecture.