{ "schema_version": "1.0", "canonical_url": "https://transduction.systems/entries/concept_homeostasis/", "release": "0.35", "citation": "Taylor, B. P. (2026). Homeostasis. The Necessary Tangle, release 0.35. https://transduction.systems/entries/concept_homeostasis/", "licence": "CC BY-SA 4.0 for original atlas text and data; linked works retain their own terms", "entry": { "id": "concept_homeostasis", "label": "Homeostasis", "entity_type": "concept", "description": "Dynamic maintenance or restoration of internal variables within viable ranges despite disturbance. It is neither immobility nor a synonym for a single feedback loop.", "aliases": [], "boundary_ring": "0", "inclusion_reason": "seed_corpus", "status": "candidate", "source_ids": [ "src_sysbok_feedback_2013", "src_cannon_homeostasis_1929" ], "set_tags": [ "legacy_sysbok", "feedback_pilot", "core_cluster" ], "espoused_labels": [], "observed_clusters": [], "canonical_definition": "The organised maintenance of internal variables within viable ranges despite disturbance; the relevant variables, ranges, mechanisms and time scales must be specified.", "valid_from": "", "valid_to": "", "external_ids": "{}", "geographies": [], "licence": "", "review_status": "research_pass_needs_editor", "reviewed_by": "", "reviewed_at": "", "x": -0.421274, "y": -0.196561, "canonical_id": "concept_homeostasis", "public_visibility": "public", "publication_level": "profile", "public_stub_text": "", "public_source_count": 1, "no_public_link_count": 1 }, "profile": { "node_id": "concept_homeostasis", "title": "Homeostasis", "profile_status": "evidence_deepened_research_pass", "canonical_definition": "The organised maintenance of internal variables within viable ranges despite disturbance; the relevant variables, ranges, mechanisms and time scales must be specified.", "summary": "Homeostasis is dynamic maintenance, not stillness. A living system keeps selected internal variables within viable ranges while energy, matter and information continue to flow and conditions continue to change.", "why_it_matters": "The idea is useful for understanding stability and resistance to disturbance. 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It does not establish historical influence, equivalence, efficacy or universal applicability. Item-level source review and curator acceptance are still required.", "assertion_mode": "interpreted", "inference_method": "curator-requested relational crosswalk of maintained public descriptions", "claim_id": "", "reviewed_by": "", "reviewed_at": "", "notes": "", "plain_phrase": "developed the physiological account named", "public_review_label": "provisional relational crosswalk" }, { "id": "e26_fbf36562d75366a3b627c5", "source": "resource_sp26_24a7d0cd7a17ecba", "target": "concept_homeostasis", "relation_type": "source_text_mentions", "relation_family": "documentary", "directed": "true", "dependency_kind": "", "confidence": "", "claim_status": "candidate", "source_ids": [ "src_sp26_24a7d0cd7a17ecba" ], "evidence_ids": [], "source_locator": "Extracted source text, character 19625; page-level locator pending", "valid_from": "", "valid_to": "", "scope_conditions": "Exact phrase in extracted source text; page-level checking may remain pending as recorded by the locator. Its appearance may be in discussion, a quotation, a reference, or a critical comparison. No semantic or historical claim is inferred.", "assertion_mode": "asserted", "inference_method": "", "claim_id": "", "reviewed_by": "", "reviewed_at": "", "notes": "", "plain_phrase": "contains a located mention of Homeostasis", "public_review_label": "Located source statement; independent review not recorded", "connection_pass": "library_20260919" } ], "claims": [ { "id": "claim_cannon_homeostasis", "statement": "Cannon's 1929 article is the checked primary anchor for the physiological concept of homeostasis in this release.", "subject_id": "concept_homeostasis", "predicate": "first_documented_in", "object_id": "src_cannon_homeostasis_1929", "status": "corroborated", "supporting_source_ids": [ "src_cannon_homeostasis_1929" ], "supporting_evidence_ids": [ "ev_cannon_homeostasis_bibliography" ], "contradicting_source_ids": [], "contradicting_evidence_ids": [], "notes": "This is the earliest checked anchor in the present corpus, not an exhaustive global first-use claim.", "review_status": "research_pass_needs_editor", "reviewed_by": "", "reviewed_at": "" } ], "sources": [ { "id": "src_sysbok_feedback_2013", "title": "SCiO SysBoK - Feedback v1", "source_type": "legacy_map_presentation", "quality_tier": "C", "access": "no_public_link", "url": "", "date": "2013-04-01", "notes": "Legacy SCiO SysBoK working presentation; no public link.", "creators": [ "SCiO" ], "doi": "", "isbn": "", "publisher": "", "licence": "", "archived_url": "", "content_hash": "", "review_status": "pass4_legacy_internal_register_audit", "last_checked": "2026-08-14", "public_link_status": "no_public_link" }, { "id": "src_cannon_homeostasis_1929", "title": "Organization for Physiological Homeostasis", "source_type": "primary_research_article", "quality_tier": "A", "access": "public", "url": "https://doi.org/10.1152/physrev.1929.9.3.399", "date": "1929-07-01", "notes": "Walter B. 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Used as an accessible orientation aid; the book remains the controlling source.", "creators": [ "Osama Salah" ], "publisher": "LinkedIn", "licence": "publisher_terms", "review_status": "checked", "last_checked": "2026-08-09", "public_link_status": "public_link" }, { "id": "src_salah_grammar_part3_2022", "title": "Cybersecurity Lessons from The Grammar of Systems, part 3", "source_type": "public_secondary_summary", "quality_tier": "C", "access": "public", "url": "https://www.linkedin.com/pulse/cybersecurity-lessons-from-grammar-systems-order-chaos-osama-salah-2f", "date": "2022-06-01", "notes": "Public secondary summary of Grammar of Systems items 23–33. Used as an accessible orientation aid; the book remains the controlling source.", "creators": [ "Osama Salah" ], "publisher": "LinkedIn", "licence": "publisher_terms", "review_status": "checked", "last_checked": "2026-08-09", "public_link_status": "public_link" }, { "id": "src_ieee_feedback_topic", "title": "Feedback - IEEE Technology Navigator", "source_type": "professional_technical_reference", "quality_tier": "B", "access": "public", "url": "https://technav.ieee.org/topic/feedback/", "date": "2026-08-09", "notes": "Technical overview distinguishing negative and positive feedback and describing their different effects. 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A term appearing in a source is not proof of its definition, endorsement, influence, or logical dependence.", "creators": [ "Frans M. van Eijnatten", "Goran D. Putnik" ], "doi": "", "isbn": "", "publisher": "Emerald", "licence": "source terms unless otherwise stated", "archived_url": "", "content_hash": "", "review_status": "located_public_record", "last_checked": "2026-09-19", "public_link_status": "public_link", "connection_pass": "library_20260919", "year": "2004" } ], "evidence_locators": [ { "id": "ev_cannon_homeostasis_bibliography", "source_id": "src_cannon_homeostasis_1929", "locator": "Physiological Reviews 9(3), pp. 399-431", "review_status": "research_pass_needs_editor" }, { "id": "ev_ieee_feedback_types", "source_id": "src_ieee_feedback_topic", "locator": "Sections: What Is Feedback?; Negative and Positive Feedback", "review_status": "research_pass_needs_editor" } ], "reuse_note": "Preserve source attribution, scope, and review status. 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