Endogenous and Exogenous Sources of Encoded Chrysene Systems: Functional Selection, Adaptive Realization, and Engineered Emulation

The genetic-code, protocell-ledger, and finite interior-lattice constructions of the Chrysene Formalism require a source of substituted molecular units and their organized assemblies. This fourth pilot study places endogenous assembly from a mixture and exogenous engineered preparation in a common finite mathematical framework. A source is represented by its admissible configurations, observable functions, preparation law, causal controls, and operating dynamics. Under full-support and placement hypotheses the two origins have the same reachable configurations, while their attainable distributions and trajectories can differ. The principal comparison is functional rather than microscopic. For a positive endogenous reference law and a prescribed distribution of functional outputs, we derive the unique least-relative-entropy preparation: it changes the output distribution and preserves the reference conditional law within each functional fiber. Exact microscopic placement incurs an additional conditional information cost whenever the fiber is nontrivial. On a six-site registry column, the thirty-two agreement words give twenty reversal classes; selecting a two-member class retains one bit of variability that exact placement removes. We construct rejection, reversible local-rate, and finite-horizon conditioned realizations and distinguish their information objectives from their material and temporal requirements. Robust-demand and responsive-kinetic examples give strict advantages over specified fixed-placement classes. Exact and approximate emulation theorems identify the sensing, randomization, local dynamics, and resource conditions by which an engineered source matches or approaches those capabilities. A coefficient-consistent lattice extension separates structural invariants from source-dependent laws. The resulting theory compares endogenous and exogenous organization without making molecular provenance itself an obstruction to engineering.