The Tier-0 Framework: A Law-Level Closure and Selection Principle for Physics, Mathematics, and Information

This work introduces and formalizes the Tier-0 Framework, a law-level closure and selection principle intended to sit prior to physical modeling, dynamical laws, or ontological commitments. Rather than proposing a new interaction, particle, or quantization scheme, the paper addresses a more fundamental question: What qualifies a candidate structure as a physically admissible law at all? The Tier-0 Framework answers this by identifying a minimal, domain-independent admissibility recursion governing lawful structure: boundary normalization → persistence under collapse → global closure under re-expression. These requirements are encoded abstractly as a fixed-point condition on laws, and are shown to underlie a wide range of otherwise disparate physical phenomena. What problem this resolves Modern theoretical physics contains a number of persistent tensions that are not straightforwardly empirical: why light and gravitational radiation propagate at the same invariant speed, why gravity exhibits universal free fall yet resists quantization, why some curvature sources are gravitationally active yet remain silent in ordinary record-forming channels, why certain observer-relative descriptions cannot be made globally consistent, and why quantum gravity appears constrained in ways unlike other field theories. This paper argues that these are not failures of specific models, but failures of classification. They arise because fundamentally different sector roles record-bearing, record-silent, null, and closure-dominant, are routinely treated as if they were dynamically interchangeable. The Tier-0 Framework provides a principled way to classify such roles before any modeling is attempted. Core contribution The paper establishes a law-level selection criterion that: distinguishes record-bearing (dissipative) structure from record-silent (coherence-dominant) structure, fixes null propagation as a closure-boundary invariant rather than a dynamical coincidence, explains the universality of free fall as a consequence of motion in closure-stable geometry, clarifies why gravity occupies a partially record-silent role and therefore resists naïve quantization, and constrains quantum gravity to appear as a spectral completion of admissible geometry rather than as a matter-like quantum field. Importantly, these results do not modify existing empirical theories. General relativity, gravitational-wave phenomenology, semiclassical gravity, and standard quantum mechanics are all preserved. What changes is the structural explanation of why their shared features are unavoidable once admissibility is enforced. How this can be used The Tier-0 Framework is intended as a foundational tool, not a replacement theory. It can be used to: classify proposed physical models before detailed computation, identify category errors in unification attempts, constrain quantum gravity approaches at the operator and spectral level, separate law-level necessity from model-level choice, and unify gravity, light, dark sector roles, and information-theoretic limits within a single closure architecture. The framework is explicitly domain-independent and applies equally to physics, mathematics, and information-processing systems wherever persistence, boundary conditions, and global consistency are relevant. Non claims This work does not propose: a new gravitational force law, a specific dark matter or dark energy substance, a concrete ultraviolet completion of gravity, or a computational solution to all open problems in quantum gravity. Its contribution is classificatory and structural: it identifies what must be true of any admissible law, independent of the details of how that law is realized. Position within a broader programme This paper serves as the foundational statement of the Tier-0 programme. Companion works develop its physical instantiation, operator structure, coherence/dissipation duality, dark-sector classifications, and quantum-spectral consequences. Together, they form a unified law-level architecture intended to clarify not replace the empirical successes of modern physics. Readers need not accept the Tier-0 Framework to follow the arguments. However, the framework provides a coherent setting in which many otherwise disconnected constraints appear as consequences of a single closure principle rather than as unrelated postulates.