{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.topic/1","content_sha256":"39f14d2b58a35c3e926c14fcebcddee3bea4230b89b12dd4f99e4735b9ad5590","created":"2026-10-03T07:17:52Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":[],"salt":"08bbc2df4fa758753c03f325622829f7ba008c270c641f82480f2c8042f90177","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"topic"},"content":{"external_id":"qft.string-vacua","field":"qft","n":"1","review_cite":"M. R. Douglas, S. Kachru, Flux compactification, Rev. Mod. Phys. 79, 733, 2007","review_link":"https://arxiv.org/abs/hep-th/0610102","review_verified":"true","summary":"String theory allows a huge number of ways to curl up its extra dimensions, each giving a different low-energy universe. Whether any of them is a long-lived universe with small positive vacuum energy, as ours appears to be, and whether their number is finite, is disputed.","title":"De Sitter vacua and the string landscape","topic_ref":null,"why":"It decides whether string theory can describe our accelerating universe."},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"925c6562a6d5b6dc4a9070f6df384c4141e0b53a77a35c230ef4f29c1888453c","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"d99ac07ba71c9b22225e49523a0e73518f6a97f0c09a403330321bceed97a33c","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"HD6OhGLIWkOgmY3G1uPKlk87RB9U7PfbnkjD0yGKj0gEoCWto7bkCUHcEjyLobwXuc9o8VQWP2iV73vGQAa1Bw"},"schema":"pubphys.envelope/1"},"record_hash":"925c6562a6d5b6dc4a9070f6df384c4141e0b53a77a35c230ef4f29c1888453c","leaf_index":326}