{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:32BAI64C676MIFHODGQQCO3SUK","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"b3c05d626e962bf01d1e3a26e92f51ff0273fe022402208ec7bcb410e148c8a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-12-04T22:57:47Z","title_canon_sha256":"3684c8dba6632245b02690d5f3e70a0116df58fec1bb117f6d14958921a16cce"},"schema_version":"1.0","source":{"id":"1612.01199","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.01199","created_at":"2026-05-18T00:31:13Z"},{"alias_kind":"arxiv_version","alias_value":"1612.01199v2","created_at":"2026-05-18T00:31:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.01199","created_at":"2026-05-18T00:31:13Z"},{"alias_kind":"pith_short_12","alias_value":"32BAI64C676M","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_16","alias_value":"32BAI64C676MIFHO","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_8","alias_value":"32BAI64C","created_at":"2026-05-18T12:29:55Z"}],"graph_snapshots":[{"event_id":"sha256:550fdd972dfba96357d6905e1711f6db725681705c05d40d41f80d84cbddddc2","target":"graph","created_at":"2026-05-18T00:31:13Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Boson Sampling has emerged as a tool to explore the advantages of quantum over classical computers as it does not require a universal control over the quantum system, which favours current photonic experimental platforms.Here, we introduce Gaussian Boson Sampling, a classically hard-to-solve problem that uses squeezed states as a non-classical resource. We relate the probability to measure specific photon patterns from a general Gaussian state in the Fock basis to a matrix function called the hafnian, which answers the last remaining question of sampling from Gaussian states. Based on this res","authors_text":"Christine Silberhorn, Craig S. Hamilton, Igor Jex, Linda Sansoni, Regina Kruse, Sonja Barkhofen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-12-04T22:57:47Z","title":"Gaussian Boson Sampling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.01199","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:e2c5b9ca61fb5b3a3d34768a82eb71d1e54d7ae091946218f8cbb8517068e8e1","target":"record","created_at":"2026-05-18T00:31:13Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"b3c05d626e962bf01d1e3a26e92f51ff0273fe022402208ec7bcb410e148c8a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-12-04T22:57:47Z","title_canon_sha256":"3684c8dba6632245b02690d5f3e70a0116df58fec1bb117f6d14958921a16cce"},"schema_version":"1.0","source":{"id":"1612.01199","kind":"arxiv","version":2}},"canonical_sha256":"de82047b82f7fcc414ee19a1013b72a2862a6be842a44515caaae18a3cdc655e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"de82047b82f7fcc414ee19a1013b72a2862a6be842a44515caaae18a3cdc655e","first_computed_at":"2026-05-18T00:31:13.614812Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:31:13.614812Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"n5GQRaUuHL+ugHIfe4IatseXW+p8sq4ZP9EsNIg5/o220VFOz36e/rUX5VgtMISu+K9soOGQ+H7TFkUMvJRLDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:31:13.615394Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.01199","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e2c5b9ca61fb5b3a3d34768a82eb71d1e54d7ae091946218f8cbb8517068e8e1","sha256:550fdd972dfba96357d6905e1711f6db725681705c05d40d41f80d84cbddddc2"],"state_sha256":"f1207a1114d76644d4e81a46a33b6fedf2ff819597958431bd92036591428e10"}