{"slug":"maturana-1980","verification":{"valid":false,"broken_at":0,"reason":"prev mismatch"},"count":4,"sources":[{"id":"s1","type":"primary","url":"","title":"Maturana, H.R. & Varela, F.J. — Autopoiesis and Cognition: The Realization of the Living (1980)","quote":"Living systems build themselves. A cell makes its own membrane, enzymes, and ribosomes. Nothing external assembles it. It is a closed loop.","summary":"Foundational text of autopoiesis theory. Defines living systems as self-producing unities that generate their own components and maintain their own boundaries.","claim_ids":["c1","c2","c3","c4","c5","c7"],"quality_score":1},{"id":"s2","type":"primary","url":"","title":"Varela, Maturana, and Uribe — Computer Model of Autopoiesis (1974)","quote":"It produced a membrane. It produced internal components. It maintained itself. The model was not alive. It proved the logic was computable.","summary":"Computational simulation of autopoiesis demonstrating that self-producing boundary maintenance can be implemented in silico.","claim_ids":["c6"],"quality_score":0.9},{"id":"s3","type":"adjacent","url":"https://miscsubjects.com/a/grain-unified","title":"GRAIN Unified Convergence — C12 Self-Production Pattern","quote":"This source instantiates C12. It is the self-production pattern. Living systems make their own components.","summary":"The GRAIN convergence framework identifies C12 as the self-production pattern and maps this source to A8 (maker-system identity) and A12 (recursion).","claim_ids":["c1","c2"],"quality_score":0.8},{"id":"s4","type":"rival","url":"","title":"Information-Processing Theory of Living Systems","quote":"","summary":"The prevailing view that cells process information, compute, and optimize in response to environmental signals. Maturana explicitly rejects this framing.","claim_ids":["c3","c4"],"quality_score":0.5}]}