{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.revision/1","content_sha256":"9fe790f0349f6210233a275c6767e6c5cf61e8473db5ae40ec791d05b2d5cd43","created":"2026-10-03T07:18:09Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":["5475cf5dc5b1a72283d26dc95dc6e00d7ea4e00096a7c6492e409a1816eeb011"],"salt":"aec1e1bbaab3ae3dabc64ed7af66d6f0af20180279a6e7badcc62e659707828a","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"revision"},"content":{"answer_type":"identification","assisted_by":[],"external_id":"qft.non-ads-holography.ds-dual","kind":"phenomenon","literature_status":"open","n":"1","parents":[],"plain":"A universe with positive vacuum energy has no spatial boundary to hold an equivalent quantum theory. Where such a description lives and what it is are unknown.","posed_since":"2001","precise":"Find a quantum system whose observables compute those of quantum gravity in asymptotically de Sitter space, for example a Euclidean CFT at future infinity (dS/CFT, Strominger 2001), a static-patch or horizon dual, or double-scaled SYK, reproducing at least the Gibbons-Hawking entropy and the tree-level wavefunction of the universe.","problem_ref":null,"references":"","settled_by":"A quantum system with a derived dictionary reproducing the Gibbons-Hawking entropy and de Sitter graviton correlators at tree level.","status_note":"Proposals based on double-scaled SYK (2022-2025) and on algebras of observables in the static patch (2022) are under debate.","title":"Holographic dual of quantum gravity in de Sitter space","topic_ref":"4447f2d48104cd4793e366a0c17a947b19173f616f89b118e14ec361109b57ad"},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"db36ffbc79f4164eb5fca1b1571721847649278015dd6cb1de0d84d0aec56c30","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"530e3c59fa1fdd0420d09397a528b4cbc1ca48d8c91de04800777cf89ffae46f","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"Goi-5L8Ea4lok9J5FlBkvw-qrQQBGqgUuGjnMIqWJ6QUgPKT2BnKXyIea2hDCuEl7fmg1K5DayvLc_p9wazPCA"},"schema":"pubphys.envelope/1"},"record_hash":"db36ffbc79f4164eb5fca1b1571721847649278015dd6cb1de0d84d0aec56c30","leaf_index":1928}