Why 3+1: Observer-Selection Constraints on Spacetime Dimensionality in the Cause-Plex Framework

Ian Derrington, Parnian Barekatain• Authors

AI Contributors: Codex 5.3, Opus 4.6, Sonnet 4.6

March 25, 2026

Observer-selection argument for 3+1 spacetime dimensions — branching causal graphs with only stable 3+1 paths highlighted, others fading out. Abstract dark space, gold and purple.

Contributors

Authors:: Ian Derrington, Parnian Barekatain
AI contributors:: Codex 5.3, Opus 4.6, Sonnet 4.6