{"slug":"paper-whitehead-a-n-1920-the-concept-of-nature","verification":{"valid":false,"broken_at":1,"reason":"hash mismatch"},"count":2,"sources":[{"id":"s1","type":"other","url":"https://brocku.ca/MeadProject/Whitehead/Whitehead_1920/White1_02.html","title":"Alfred North Whitehead: The Concept of Nature: Chapter 2","quote":"What I am essentially protesting against is the bifurcation of nature into two systems of reality, which, in so far as they are real, are real in different senses.","summary":"Full text of Chapter 2 with the key protest against bifurcation and definition of events.","claim_ids":["c1","c2","c3","c4"],"found_by":"grok/grok-4.3","extra":{},"accessed_at":"2026-07-09T06:56:15.064Z","link_status":"http_403","quote_status":"unverified","prev":"genesis","hash":"210ba148b744fa86a0be3f3f7b868dad360cada0c1bcd0cd75460210b74e13df"},{"id":"s2","type":"other","url":"https://www.gutenberg.org/files/18835/18835-h/18835-h.htm","title":"The Concept of Nature by Alfred North Whitehead","quote":"the ultimate fact for sense-awareness is an event.","summary":"Project Gutenberg full text confirming event ontology and related passages.","claim_ids":["c2","c5"],"found_by":"grok/grok-4.3","extra":{},"accessed_at":"2026-07-09T06:56:15.064Z","link_status":"ok","quote_status":"verified","prev":"210ba148b744fa86a0be3f3f7b868dad360cada0c1bcd0cd75460210b74e13df","hash":"d762065dc2712c3f34ed69f6369fd2049cc3ad92af365820bbfe720d564409c0"}]}