Observer Networks, Harmony, and the Emergence of Shared Reality

Observable reality is rarely constructed by a single observer in isolation.
Instead, distinctions detected within physical systems propagate through
interacting subsystems and become redundantly accessible across networks of
observers.

Building on previous work establishing the role of persistent distinctions
and observational equivalence, this paper introduces a framework for
understanding how shared reality emerges within distributed observational
systems. We introduce the concept of an observation lattice, in which
distinctions propagate through physical interactions and generate records
across many nodes.

We show that shared observable structure emerges when distinctions propagate
widely, generate redundant records across the lattice, and maintain harmony
among those records across time. Two physical examples illustrate the
mechanism: environmental scattering in quantum systems and classical signal
propagation.

Within this framework, shared reality appears as a collective property of
observer networks rather than a property of any individual observer.