{"slug":"wallace-1858","verification":{"valid":false,"broken_at":0,"reason":"prev mismatch"},"count":4,"sources":[{"id":"ws1","type":"primary","url":"https://miscsubjects.com/a/wallace-1858","title":"Wallace 1858: On the Tendency of Varieties to Depart Indefinitely From the Original Type","quote":"The action of this principle is exactly like that of the centrifugal governor of the steam engine.","summary":"Primary source. Wallace's 1858 paper presents natural selection as a mechanistic algorithm driven by population pressure, geometric growth, and the struggle for existence. Includes the steam-engine governor metaphor.","claim_ids":["w1","w2","w3","w4","w5","w6"],"quality_score":0.95},{"id":"ws2","type":"adjacent","url":"https://miscsubjects.com/a/darwin-1859","title":"Darwin 1859: On the Origin of Species","quote":"","summary":"Adjacent source. Darwin's co-discovery with more evidence and the fuller argument for natural selection.","claim_ids":["w4"],"quality_score":0.9},{"id":"ws3","type":"adjacent","url":"https://miscsubjects.com/a/prigogine-1977","title":"Prigogine 1977: Dissipative Structures","quote":"","summary":"The thermodynamic engine Wallace missed. Gradient dissipation drives the selection landscape.","claim_ids":["w4","w5"],"quality_score":0.85},{"id":"ws4","type":"adjacent","url":"https://miscsubjects.com/a/england-2013","title":"England 2013: Statistical Physics of Self-Replication","quote":"","summary":"Successor source. Derives adaptation from non-equilibrium statistical mechanics, closing the thermodynamic gap Wallace left open.","claim_ids":["w4"],"quality_score":0.8}]}