{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.revision/1","content_sha256":"ea0d1147af76d51cc8aa40eb485da3464dd1432bf6494e0aa679f93aa209f3e0","created":"2026-10-03T07:17:54Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":["5475cf5dc5b1a72283d26dc95dc6e00d7ea4e00096a7c6492e409a1816eeb011"],"salt":"86a752895dac2c021d8f8698b2e4e527848431fbb42c4fccdec331f110c31e5c","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"revision"},"content":{"answer_type":"mechanism","assisted_by":[],"external_id":"amo.simulator-verification.scalable-certification","kind":"well-posed","literature_status":"open","n":"1","parents":[],"plain":"Checking a simulator by calculation fails exactly where the simulator is useful. The task is a test that needs only modest classical computing and a reasonable number of measurements.","posed_since":"","precise":"Give a protocol using $\\operatorname{poly}(N)$ measurements and $\\operatorname{poly}(N)$ classical post-processing (for example Hamiltonian learning, time-reversal echoes, cross-platform comparison of randomized measurements) that bounds the error of local observables of the prepared state relative to the ideal Hamiltonian, for $N > 100$ in a regime where classical simulation is believed hard. Answer: protocol with a proof of soundness and an experimental demonstration.","problem_ref":null,"references":"","settled_by":"A protocol with a soundness proof applied on hardware with $N > 100$ in a classically hard regime.","status_note":"","title":"A scalable protocol to certify analog simulator outputs","topic_ref":"e8947e412d1aec3755e18a4e515f79785deae1599261032ed3cb02aac34a80b5"},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"3d82953ac83696f999c4420512a4cbb3fbd73816e1206e7274af11f64c42ab47","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"daf03d3254536aa0acb405927593bec1e74086b365be8bfbc2aca97f12590afe","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"j5VhXNTa4qcvMJMPYXpQ6pl_xIa1qbbl4VOQsOXD0oX3JTrQZjf6TonM-9xUuv_dfO1kAjFlUO9Y3s1FtHrqBg"},"schema":"pubphys.envelope/1"},"record_hash":"3d82953ac83696f999c4420512a4cbb3fbd73816e1206e7274af11f64c42ab47","leaf_index":461}