General Relativity and quantum mechanics each require an input the other cannot supply. General Relativity takes the geometry of spacetime as given and derives how matter curves it. Quantum mechanics takes the Hilbert space structure of states as given and derives how they evolve. Neither theory explains why its own input exists.
The programme pursued across this series of papers begins from an observation: both inputs may be consequences of a single integer n, the total bit count of a finite, static, timeless universe, together with the rule that structures dominate the measure in proportion to how compressibly they can be described. Papers I–VIII [meskanen2001, meskanen2002, meskanen2003, meskanen2026iv, meskanen2026v, meskanen2026vi, meskanen2026vii, meskanen2026viii] develop this programme in steps: establishing the observer axiom, deriving the aspect ratio of spacetime, recovering Bekenstein–Hawking entropy, matching the Friedmann equation, and most recently proving exact results about the emergence of bosons and gravitational structure from the density matrix of a compressed fermionic system.
The present paper attempts to draw these threads together into a unified picture. It is written frankly as a sketch: the exact results of Papers VII and VIII are solid, but the claim that they fit into a single zero-parameter framework is a conjecture whose full justification remains to be constructed. We state what is proved, what is strongly suggested, and what is open.