Based on human‑like agent deduction: the nature of time and the elimination of temporal paradoxes

Taking the principle of total energy balance as the fundamental axiom, this paper deduces the nature of time based on the logic of system coupling-decoupling and nested steady-state evolution, with the thought experiment of human-like agents. It is proposed that the biophysical anchoring carrier of human subjective time perception is the Fe56(II) coordination structure within erythrocyte heme. Human sense of time does not originate from any single magnetic configuration, but emerges as a collective comprehensive effect generated by the cooperative dynamic transition cycle among ferromagnetism, antiferromagnetism and altermagnetism. This is a human-specific conscious and world-experience, which does not exist in the universe itself. Subjective temporal flow and unidirectional sequence are not intrinsic objective dimensions of the universe. Instead, they represent a locally emergent cognitive metric rooted in the cooperative evolution and irreversible decay of this three-magnetic-state system. Temporal paradoxes arise when human-specific biological temporal scales are extrapolated to universal nested steady-state systems. Once freed from the cognitive framework of human biological anchoring systems, temporal paradoxes such as the grandfather paradox and the chicken-and-egg puzzle dissolve automatically. Time-dilation effects in physics do not correspond to stretching or contraction of spacetime ontology, but rather reflect altered steady-state turnover rates of material systems under different gravitational, energetic and kinematic conditions. The universe itself only undergoes coupling, decoupling, state migration and configuration rearrangement of matter and energy; there exists no globally uniform, unidirectionally flowing objective time.