{"id":"01KJTKP3FD89J1EWSJS6M19PRM","cid":"bafkreie7koc3n5hif5tby7eqavgor2ra7jbnsnqak44kzuiukzv4zoljui","type":"formula","properties":{"_kg_layer":0,"description":"The famous mass-energy equivalence formula, widely attributed to Albert Einstein and known as 'the world's most famous equation'.","equation_type":"mass-energy equivalence","label":"e mc","nickname":"the world's most famous equation"},"relationships":[{"peer":"01KJTKN2PQ8F0V2HNH22X0AS2R","peer_type":"collection","predicate":"collection"},{"peer":"01KJTKP3EP7A0MJMFFCKZNC33R","peer_label":"Albert Einstein","predicate":"referenced_by","properties":{"context":"known_for","source":{"id":"01KJTKN3YP36W2MX9RTDYNV73N","label":"Einstein Biography","type":"entity"},"source_text":"He is best known to the general public for his mass–energy equivalence formula E = mc²"}},{"peer":"01KJTKN3YP36W2MX9RTDYNV73N","peer_label":"Einstein Biography","predicate":"extracted_from","properties":{"extracted_at":"2026-03-03T19:44:35.049Z","source":{"id":"01KJTKN3YP36W2MX9RTDYNV73N","label":"Einstein Biography","type":"entity"}}}],"ver":2,"created_at":"2026-03-03T19:44:32.237Z","ts":"2026-03-03T19:44:35.691Z","edited_by":{"method":"system","user_id":"01KJ60XQBHJ0GBGTP9X8HXAPPM"}}