A Unified Cosmic Picture Based on ZUST —— The Positive-Negative Structure of Spacetime Cloth, Dark Matter Skeleton, and the Homologous and Homogeneous Model of Black Holes and Celestial Bodies

Associated Preprint: 10.5281/zenodo.18769528 Associated Working Paper (Sibling Paper): 10.5281/zenodo.18789725 (A Unified Cosmic Matter Picture Based on ZUST —— The Positive-Negative Mirroring of Spacetime Cloth, the Origin of Antimatter, and the Essential Explanation of Annihilation Mechanism) This paper is the Elder Sister Paper, serving as the theoretical foundation for the subsequent Younger Sister Paper. It is recommended to read this paper first before proceeding to the Younger Sister Paper. Abstract As an extended study of the preprint on Zhou Unified Stability Theory (ZUST), this working paper aims to address the core challenge of fragmented interpretations of dark matter, black holes, and ordinary celestial bodies in current cosmological research. Based on ZUST's underlying logic that "core characteristics determine system stability", this paper proposes the "cosmic cloth reverse depression" model, constructing a unified cosmic picture encompassing dark matter, black holes, and ordinary celestial bodies. This study clarifies that the core characteristic of dark matter is "spacetime supporting tension", which manifests as a network of depressions on the reverse side of the spacetime cloth, forming the "built-in skeleton" of the universe. A black hole is the extreme core node of the dark matter skeleton on the reverse side, formed through the mechanism of "a star piercing through the spacetime cloth — being pulled back to the reverse side — strengthening the reverse depression". Its strong gravity originates from the pulling tension of the extreme reverse depression on the reverse side, and its lifespan is essentially the process by which the reverse depression gradually flattens and returns to the spacetime cloth. Ordinary celestial bodies are shallow depressions on the positive side of the spacetime cloth, following the same ZUST stability logic as black holes, and ultimately also return to the spacetime cloth and merge into the dark matter skeleton. The subversive interpretations of black holes and dark matter in this study are completely consistent with and have no conflicts with the underlying logic, mathematical tools, and core conclusions of the ZUST preprint, serving as an in-depth extension, concrete implementation, and scenario-based verification of ZUST in the field of cosmology. By combining verification with observational facts, the model can reasonably explain core puzzles related to abnormal galactic rotation curves, large-scale cosmic web structures, the invisibility of dark matter, and black holes, achieving the essential unification of the evolution of dark matter, black holes, and ordinary celestial bodies. It expands the application boundary of ZUST, provides a new essence-driven perspective for cosmic evolution research, further confirms the rationality and correctness of ZUST, and its high degree of unity and explanatory power also strengthens the theoretical solidity and empirical support of ZUST. Update 1: A New Breakthrough from In-Depth Thinking (Beijing Time 18:47, February 26, 2026) After completing the Zhou Unified Stability Theory (ZUST), I have been pondering a core question: Since all celestial bodies form depressions on the spacetime cloth, dark matter—recognized by the academic community as the cosmic skeleton—would merely be a "supported load" rather than a "load-bearing skeleton" if it existed on the positive side of the spacetime cloth. This is logically untenable. Therefore, I infer that the spacetime cloth must have a reverse side, which aligns with the laws of cosmic symmetry and relativity. Dark matter forms depressions on the reverse side, appearing as protrusions on the positive side, and supports all celestial bodies on the positive side through an interconnected grid-like structure. This setup is far more logical. Further deduction: Black holes themselves may not exist on the positive side either. Instead, their extremely strong core characteristics break through the bearing threshold of the spacetime cloth, pierce through to the reverse side, and are then pulled back by the global flexible tension of the spacetime cloth, forming extreme depressions on the reverse side—manifesting as extreme protrusions on the positive side—thereby generating super-strong gravitational attraction for celestial bodies on the positive side. Could the lifespan of black holes also be related to absorption? I believe that during the absorption process, the reverse depressions of black holes gradually rise (and the positive protrusions correspondingly fall), ultimately leading them to return to the flat spacetime cloth. Do celestial bodies on the positive side follow a similar logic? I further deduce that the ultimate fate of all celestial bodies in the universe is to return to the spacetime cloth—this constitutes the "homologous and common return" model for all cosmic celestial bodies. The relationship between black holes and dark matter also makes sense under my theory: Black holes are nodes of dark matter, representing extremely enhanced reverse depressions in the dark matter network. Additionally, my theory can explain key questions in four major research areas: Abnormal galactic rotation curves = The positive supporting ridges formed by dark matter's reverse depressions exert "additional gravitational constraints" on celestial bodies in the outer regions of galaxies; Large-scale cosmic web structure = Reverse depressions of dark matter → Positive protrusions → Supporting ridges → Cosmic skeleton; "Invisibility" of dark matter = Dark matter cannot be directly observed as it resides on the reverse side of the spacetime cloth, yet its existence and supporting force are confirmed by the positive protrusions caused by its reverse depressions; Black hole formation and super-strong gravitational effects = Stellar core characteristics pierce the spacetime cloth → Pulled back to form extreme reverse depressions (extreme positive protrusions), with lifespan corresponding to the process of returning to the spacetime cloth through matter absorption. Einstein revealed the positive perspective of "spacetime curvature," enabling the world to understand the relativity of spacetime; I supplement this with the "positive-reverse bidirectional structure" of the spacetime cloth. This extension is more consistent with cosmic symmetry and relativity, and provides reasonable explanations for puzzles such as dark matter's "skeleton attribute" and the formation and evolution of black holes. As an extended application of ZUST, this research not only addresses gaps in traditional theories but also indirectly reinforces the correctness and global unity of ZUST—solely in terms of explanatory power, the theory already possesses strong empirical support. Notably, this working paper features an extremely low barrier to understanding. With metaphors and concrete scenarios throughout, it contains no mathematical formulas, balancing academic rigor with popular science readability. It embodies an "elegant yet accessible" style, facilitating comprehension and dissemination among readers from diverse backgrounds. So, after reading this working paper, will you grow to recognize ZUST even more? If you do, I sincerely hope you will actively disseminate, download, and share it. This is not only an encouragement for me as the author but also a great vision of popularizing true knowledge to all humanity—and both you and I are participants in this endeavor! Update 2: In-Depth Reflections After a Breakthrough | Establishment of the Younger Sister Paper in the Sibling Series (Beijing Time: 00:21, 27 February 2026) Upon the completion of this paper (the Elder Sister Paper), I delved deeper into a key question: Does antimatter also exist on the negative side of the spacetime cloth? The "legitimate" mechanism by which a star pierces the spacetime cloth to form a black hole is homologous in essence to the "illegitimate" process of humans forcibly obtaining antimatter—both are acts of cross-domain travel across the spacetime cloth’s boundary. However, the former is a natural evolution arising from a star’s core characteristic T-value reaching the critical threshold, while the latter inevitably leads to annihilation due to insufficient T-values of micro-particles, which render them unable to adapt to the rules of the positive side after forced cross-domain travel. Based on this insight, I developed its sibling paper, A Unified Cosmic Matter Picture Based on ZUST —— The Positive-Negative Mirroring of Spacetime Cloth, the Origin of Antimatter, and the Essential Explanation of Annihilation Mechanism (the Younger Sister Paper)(doi:10.5281/zenodo.18789725). Within the ZUST framework, this paper provides a unified explanation for ten core cosmic phenomena and further perfects the ZUST theoretical system.