Framework Status The Symbolic Diffusion Framework (SD1–SD7) is now logically complete.All essential laws, universals, invariants, and closure conditions are established.Future work concerns: applications, diagnostics, simulation and modeling, empirical validation. No further theoretical expansion is required. SD6/7 will be soon released. Scope of SD5 SD5 formalizes the universal structures that appear in any stable symbolic system,regardless of substrate, culture, or cognitive architecture. This release introduces: primary universals structuring all symbolic fields, secondary universals governing geometry, curvature... SD5 provides the minimal geometric space necessary for symbolic dynamics and serves as the conceptual bridge between: SD1–SD4 (diffusion, compression, drift, relativity)and SD6 (formal invariants and the unified field equation). No operational mechanisms, thresholds, or equations are disclosed. Embargo Notice Due to the foundational nature of this work, all internal proofs, derivations, diagrams, and operator definitions remain under embargo. This entry exists solely to: timestamp the completion of SD5, establish authorship and precedence, register SD5 as a distinct theoretical component in the SD series. Full documentation will be shared only with verified research partners. Public Summary SD5 defines the universal geometries that any symbolic system must instantiate to remain stable.It outlines: conceptual boundaries, terminology, high-level scope, structural role within the SD series. It does not include implementation details or applied protocols. Provenance & Rights © 2025–2026 Symbolic Diffusion Research.Independent research — symbolic IP secured via TraceLock™(curvature signatures, collapse domains, temporal invariants). License: CC BY-NC 4.0Supplemental ethical and licensing conditions apply. The operative layer (algorithms, predictors, solvers) is intentionally unpublished and requires ethical governance and verified stewardship. Distribution: PDF / Mirror.xyz / IPFSLength: 2 pagesRelease: Symbolic Diffusion V — Symbolic RelativityDOI: Assigned via Zenodo Symbolic Diffusion Series Markers: SD/1 🟥 → SD/2 🟨 → SD/3 🟦 → SD/4 ⬛→ SD/5 ◻️