{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.revision/1","content_sha256":"7821188245a5133be1ce897bc5b301d910a9eca5d8a9a78a9ae5190c328ff30e","created":"2026-10-03T07:17:54Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":["5475cf5dc5b1a72283d26dc95dc6e00d7ea4e00096a7c6492e409a1816eeb011"],"salt":"c8f8a801409c5d2fcdf677f1dbb406e0eab40fe22c26e7965cc29df5fe2a5c1c","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"revision"},"content":{"answer_type":"yes-no","assisted_by":[],"external_id":"amo.simulator-verification.beyond-classical-dynamics","kind":"well-posed","literature_status":"contested","n":"1","parents":[],"plain":"A 2025 experiment claimed a quantum annealer simulated magnetic dynamics that no supercomputer could match. Classical simulation groups replied with algorithms that may do the same job.","posed_since":"2025","precise":"Transverse-field Ising quenches on the square-lattice, dimerized-cubic, diamond-lattice and biclique spin-glass instances of King et al., Science 388, 199 (2025). Determine whether a classical algorithm reproduces the reported correlation functions to the hardware's accuracy with comparable time and energy. Answer: yes or no for each graph family studied.","problem_ref":null,"references":"","settled_by":"A side-by-side benchmark of classical methods and the device on the same instances with agreed accuracy targets.","status_note":"Belief-propagation tensor networks (Tindall et al., Science 2026) and time-dependent variational Monte Carlo (Mauron and Carleo, arXiv:2503.08247) disputed the claim, and a 2026 comment argued neural quantum states are competitive on some instances.","title":"Has an analog quench simulation exceeded classical computation?","topic_ref":"e8947e412d1aec3755e18a4e515f79785deae1599261032ed3cb02aac34a80b5"},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"84c529f57e7a2c8e0d0dd6c94e31e25e427996e953cdb0575000fad1cfdc4544","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"a54286bc9bbee22c9768d4b4943d76ea2caa5c9a42a4d5ed2394113159023c4c","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"mH6OP2rpj2TXufXM_59NSfsfqEJVxXL-HrSzOsmIJr9RF_s6uKgj0skOjWZBmGsLhxkpLQ2uYeB0z2mYyvnPAw"},"schema":"pubphys.envelope/1"},"record_hash":"84c529f57e7a2c8e0d0dd6c94e31e25e427996e953cdb0575000fad1cfdc4544","leaf_index":458}