A field that does not reproduce itself dies. The SystemsTheoryAutopoieticOrganization names the structural condition under which a corpus generates its own components from its own operations: not by importing concepts from outside, but by transforming its existing conceptual mass into new forms. Autopoiesis, in Maturana and Varela's formulation, is the self-production of a living system. A cell produces its own membrane from its own metabolic processes. A field, analogously, produces its own new concepts from its existing conceptual grammar. The SystemsTheoryAutopoieticOrganization asks: how does Socioplastics generate Node 3001? Not by importing a new disciplinary framework, but by transforming the existing 3,000 nodes through operations already encoded in the corpus. RecursiveAutophagia is one such operation: the field consumes its own earlier formulations to produce new ones. ScalarArchitecture is another: the field expands its concepts to new scales, generating new applications from existing structures. The autopoietic organization is not a metaphor for field growth. It is a structural description of how growth occurs. Node 1504 places this concept in Core III because systems theory is one of the seven integrated disciplines. But the concept is not about systems theory as a subject. It is about systems theory as a mode of field operation. The field is the system. Its autopoiesis is its capacity to generate new nodes from old nodes without external input. This is the structural guarantee of the field's independence. Without this concept, growth is understood as accumulation. With it, growth is understood as self-production.