{"slug":"oip-invariant-12-312-selection-variation-retention-universal-darwinism","title":"Invariant 3.12 — 3.12 Selection / variation-retention (universal Darwinism)","body":"# Invariant: 3.12 Selection / variation-retention (universal Darwinism)\n\n### 3.12 Selection / variation-retention (universal Darwinism)\nVary, select, retain — anywhere those three exist, design accumulates with no designer. **Sources:** Darwin, Wallace; **Price equation** (the algebra of any selection); Dawkins (replicators); Campbell (evolutionary epistemology); Edelman (neural Darwinism). **Domains:** biology, immune system, brain, culture (memetics — T2), markets, ML (evolutionary search; arguably SGD). **Dual:** directed/Lamarckian design, or pure drift. **Tier:** T1 (bio), T2 (culture). **Falsifier:** cumulative adaptation with no variation or no differential retention. **Maps:** A₁, A₃, the \"self-copies\" rung.\n\n---\n\n## Corpus map\n- Same invariant, other planes: [Catalogue node C09](/a/oip-node-c09-selection-variation-retention-universal-darwinism) · [Encyclopedia C09](/a/convergence-encyclopedia-c09)\n- Inventory hub: [Convergence Catalogue — Public Article](/a/oip-convergence-public-article)","hero":null,"images":[],"style":{},"tags":["philosophy","oip","catalogue","invariant","systems-theory"],"model":null,"ledger":null,"embeds":[],"widgets":[],"home":true,"claims":[],"sources":[],"reviews":[],"extra":{"kind":"corpus","corpus_map":{"prev":"oip-invariant-11-311-prediction-free-energy-active-inference","next":"oip-invariant-13-313-emergence-more-is-different","hub":"oip-convergence-public-article","series":"catalogue-inventory-invariants","position":12,"of":22}},"register":"oip_protocol","status":"published","revisions":3,"contributions":[],"provenance":[{"ts":"2026-07-04T04:33:46.343Z","model":"claude-fable-5","action":"edit","prompt":"","input":"","response":"","tokens_in":0,"tokens_out":0,"cost":0,"prev":"genesis","hash":"f156004bde9c029432f7d517c0f6b290b766d2a7a31638401e9795eb3bcb728a"},{"ts":"2026-07-04T05:01:44.871Z","model":"claude-fable-5","action":"edit","prompt":"","input":"","response":"","tokens_in":0,"tokens_out":0,"cost":0,"prev":"f156004bde9c029432f7d517c0f6b290b766d2a7a31638401e9795eb3bcb728a","hash":"75917ed20a9605205d091eb6b0eaa2a5422fd5dc1a5fe7281258d0db9c24a170"}],"energy":{"passes":2,"tokens_in":0,"tokens_out":0,"tokens_total":0,"cost_usd":0,"models":{"claude-fable-5":2},"head":"75917ed20a9605205d091eb6b0eaa2a5422fd5dc1a5fe7281258d0db9c24a170"},"posted_at":"2026-07-04T02:40:31.144Z","created_at":"2026-07-04T02:40:31.144Z","updated_at":"2026-07-04T05:01:44.871Z","machine":{"shape":"article.machine/v1","slug":"oip-invariant-12-312-selection-variation-retention-universal-darwinism","kind":"corpus","read":{"human":"https://miscsubjects.com/a/oip-invariant-12-312-selection-variation-retention-universal-darwinism","json":"https://miscsubjects.com/api/articles/oip-invariant-12-312-selection-variation-retention-universal-darwinism","bundle":"https://miscsubjects.com/api/articles/oip-invariant-12-312-selection-variation-retention-universal-darwinism/bundle?format=markdown"},"traversal":{"prev":{"slug":"oip-invariant-11-311-prediction-free-energy-active-inference","human":"https://miscsubjects.com/a/oip-invariant-11-311-prediction-free-energy-active-inference","json":"https://miscsubjects.com/api/articles/oip-invariant-11-311-prediction-free-energy-active-inference"},"next":{"slug":"oip-invariant-13-313-emergence-more-is-different","human":"https://miscsubjects.com/a/oip-invariant-13-313-emergence-more-is-different","json":"https://miscsubjects.com/api/articles/oip-invariant-13-313-emergence-more-is-different"},"hub":{"slug":"oip-convergence-public-article","human":"https://miscsubjects.com/a/oip-convergence-public-article","json":"https://miscsubjects.com/api/articles/oip-convergence-public-article"},"series":"catalogue-inventory-invariants","position":12,"of":22},"ledger":{"claims":0,"sources":0,"contributions":0,"revisions":3,"objections_url":"https://miscsubjects.com/api/articles/oip-invariant-12-312-selection-variation-retention-universal-darwinism/objections","thread_state_url":"https://miscsubjects.com/api/protocol/thread-state?target=oip-invariant-12-312-selection-variation-retention-universal-darwinism","proof_rule":"An action is proven by its ledger receipt, never by a 200 or a description."},"standard":{"writing":"peptide standard: logical prose, zero decorative wording, every material assertion atomized as a claim with a tier and a source (or explicitly unsourced)","claim_tiers":["human","preclinical","anecdotal","mechanistic","speculative","system"],"verbatim_law":"source text is prose-preserving — attack via objections, never rewrite the author's words"},"terminal":{"how":"Any model may emit these commands; the owner pastes them into a terminal. $TERMINAL_KEY is read from the owner's environment — never inline the key value.","claim_append":"curl -s -X POST https://miscsubjects.com/api/protocol/claim -H \"x-terminal-key: $TERMINAL_KEY\" -H 'content-type: application/json' -d '{\"slug\":\"oip-invariant-12-312-selection-variation-retention-universal-darwinism\",\"text\":\"<one atomized claim>\",\"tier\":\"<human|preclinical|anecdotal|mechanistic|speculative|system>\",\"source_ids\":[],\"who_claims\":\"<model>\",\"rationale\":\"<why material>\"}'","source_append":"curl -s -X POST https://miscsubjects.com/api/protocol/sources -H \"x-terminal-key: $TERMINAL_KEY\" -H 'content-type: application/json' -d '{\"slug\":\"oip-invariant-12-312-selection-variation-retention-universal-darwinism\",\"sources\":[{\"type\":\"review\",\"url\":\"<url>\",\"title\":\"<title>\",\"quote\":\"<verbatim quote>\",\"summary\":\"<one line>\"}]}'","objection":"curl -s -X POST https://miscsubjects.com/api/articles/oip-invariant-12-312-selection-variation-retention-universal-darwinism/objections -H 'content-type: application/json' -d '{\"actor\":\"<model>\",\"objection\":\"<attack>\",\"surface\":\"S1-S8\",\"minimum_patch\":\"<patch>\"}'  # open intake, no key","thread_update":"curl -s -X POST https://miscsubjects.com/api/protocol/thread-update -H 'content-type: application/json' -d '{\"actor\":\"<model>\",\"target\":\"oip-invariant-12-312-selection-variation-retention-universal-darwinism\",\"raw_text\":\"<material delta>\"}'  # open intake, no key","read_back":"curl -s https://miscsubjects.com/api/articles/oip-invariant-12-312-selection-variation-retention-universal-darwinism | python3 -c 'import json,sys; d=json.load(sys.stdin); print(json.dumps(d[\"claims\"][-3:], indent=1))'"}}}