{"slug":"thinker-jacob-bekenstein","verification":{"valid":true,"entries":3,"head":"34f3c1d43b596f5318a6cff48f758e429fc6453ff78862332548572c7eadb5b4"},"count":3,"sources":[{"id":"s1","type":"other","url":"https://link.aps.org/doi/10.1103/PhysRevD.7.2333","title":"Black holes and entropy","quote":"We show that it is natural to introduce the concept of black-hole entropy as the measure of information about a black-hole interior which is inaccessible to an exterior observer.","summary":"1973 Physical Review D paper by J. D. Bekenstein that introduces black-hole entropy proportional to area.","claim_ids":["c1","c2","c5","c7"],"found_by":"grok/grok-4.3","extra":{},"accessed_at":"2026-07-08T12:50:58.979Z","link_status":"http_403","quote_status":"unverified","prev":"genesis","hash":"4fa7982e34d55f16a3523fd0fb087fea85ea5a5710908c8d5576f1134844d043"},{"id":"s2","type":"other","url":"https://link.aps.org/doi/10.1103/PhysRevD.9.3292","title":"Generalized second law of thermodynamics in black-hole physics","quote":"the sum of ordinary entropy So outside black holes and the total black hole entropy never decreases","summary":"1974 paper formalizing the generalized second law.","claim_ids":["c3"],"found_by":"grok/grok-4.3","extra":{},"accessed_at":"2026-07-08T12:50:58.979Z","link_status":"http_403","quote_status":"unverified","prev":"4fa7982e34d55f16a3523fd0fb087fea85ea5a5710908c8d5576f1134844d043","hash":"db6d6e49e1534983fb6a716eb78340b65b54ed7cd095ee22d1fd8721b10e30c2"},{"id":"s3","type":"other","url":"http://www.scholarpedia.org/article/Bekenstein-Hawking_entropy","title":"Bekenstein-Hawking entropy","quote":"Bekenstein, motivated by a question from his advisor John Wheeler, observed that if we toss a cup of tea into a black hole, the entropy seems to diminish","summary":"Scholarpedia entry summarizing historical context and primary references.","claim_ids":["c4"],"found_by":"grok/grok-4.3","extra":{},"accessed_at":"2026-07-08T12:50:58.979Z","link_status":"ok","quote_status":"unverified","prev":"db6d6e49e1534983fb6a716eb78340b65b54ed7cd095ee22d1fd8721b10e30c2","hash":"34f3c1d43b596f5318a6cff48f758e429fc6453ff78862332548572c7eadb5b4"}]}