The research arm of Invariant Dynamics: applied work in observability, decision geometry, and longitudinal systems, published as durable methods.https://invariantdynamics.org/https://invariantdynamics.org/blogs/2026-02/observability-baselines-for-longitudinal-systems/https://invariantdynamics.org/blogs/2026-02/observability-baselines-for-longitudinal-systems/Working note on baseline selection across sparse-signal and delayed-intervention environments.Sat, 21 Feb 2026 00:00:00 GMTZachary C. Nickenshttps://invariantdynamics.org/blogs/2026-02/observability-curvature-and-projection-surfaces-v0-1-0/https://invariantdynamics.org/blogs/2026-02/observability-curvature-and-projection-surfaces-v0-1-0/A working analysis of projection curvature effects in operational observability.Sun, 22 Feb 2026 00:00:00 GMTZachary C. Nickenshttps://invariantdynamics.org/blogs/2026-02/precedence-and-versioning-operating-rules/https://invariantdynamics.org/blogs/2026-02/precedence-and-versioning-operating-rules/Working note for publication precedence, immutable versioning, and citation discipline.Sat, 21 Feb 2026 00:00:00 GMTZachary C. Nickenshttps://invariantdynamics.org/blogs/2026-02/structural-observability-a-working-definition-v0-1-0/https://invariantdynamics.org/blogs/2026-02/structural-observability-a-working-definition-v0-1-0/A working definition of structural observability for high-consequence systems under intervention.Sun, 22 Feb 2026 00:00:00 GMTZachary C. Nickenshttps://invariantdynamics.org/cards/2026-02/decision-geometry/https://invariantdynamics.org/cards/2026-02/decision-geometry/Sun, 22 Feb 2026 00:00:00 GMThttps://invariantdynamics.org/cards/2026-02/mutual-observability-fields/https://invariantdynamics.org/cards/2026-02/mutual-observability-fields/Sun, 22 Feb 2026 00:00:00 GMThttps://invariantdynamics.org/cards/2026-02/perceptual-shadows/https://invariantdynamics.org/cards/2026-02/perceptual-shadows/Sun, 22 Feb 2026 00:00:00 GMThttps://invariantdynamics.org/cards/2026-02/structural-observability/https://invariantdynamics.org/cards/2026-02/structural-observability/Sun, 22 Feb 2026 00:00:00 GMThttps://invariantdynamics.org/slides/2026-02/deep-sky-program/https://invariantdynamics.org/slides/2026-02/deep-sky-program/Program synthesis: translating observability and decision-geometry research into execution patterns.Sun, 22 Feb 2026 00:00:00 GMTInvariant Dynamicshttps://invariantdynamics.org/doodles/2026-02/authorship-and-precedence/https://invariantdynamics.org/doodles/2026-02/authorship-and-precedence/How publication dates and Git history establish precedence in the library.Sun, 22 Feb 2026 00:00:00 GMThttps://invariantdynamics.org/doodles/2026-02/library-launch-and-monakit-compare/https://invariantdynamics.org/doodles/2026-02/library-launch-and-monakit-compare/A full Monakit-based presentation layer is now available for side-by-side comparison.Sun, 22 Feb 2026 00:00:00 GMT