{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:FSGXLUDCMA23TODG4MBFNWFF2C","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":"bc80ba245e1c03d4ebe667aec47be6c2a7af81628f4156f02c1fd8c2743e2dab","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-03-08T14:51:57Z","title_canon_sha256":"6a3da47a35fd9d3530e5c586df4d902dd69c47c354cdff626986af49aa093ebe"},"schema_version":"1.0","source":{"id":"1803.03133","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.03133","created_at":"2026-05-18T00:15:41Z"},{"alias_kind":"arxiv_version","alias_value":"1803.03133v2","created_at":"2026-05-18T00:15:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.03133","created_at":"2026-05-18T00:15:41Z"},{"alias_kind":"pith_short_12","alias_value":"FSGXLUDCMA23","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"FSGXLUDCMA23TODG","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"FSGXLUDC","created_at":"2026-05-18T12:32:25Z"}],"graph_snapshots":[{"event_id":"sha256:3a0850fb8f13a43ff8c684bdc60cb07d6217d3b5678ef19c0508b4ac3d3950f0","target":"graph","created_at":"2026-05-18T00:15:41Z","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":"The algebraic quantification of nonclassicality, which naturally arises from the quantum superposition principle, is related to properties of regular nonclassicality quasiprobabilities. The latter are obtained by non-Gaussian filtering of the Glauber-Sudarshan $P$~function. They yield lower bounds for the degree of nonclassicality. We also derive bounds for convex combinations of Gaussian states for certifying quantum non-Gaussianity directly from the experimentally accessible nonclassicality quasiprobabilities. Other quantum-state representations, such as $s$-parametrized quasiprobabilities, ","authors_text":"B. K\\\"uhn, W. Vogel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-03-08T14:51:57Z","title":"Quantum non-Gaussianity and quantification of nonclassicality"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.03133","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":"sha256:792d90918573dd4b4396c9831e22ad1ccc787941db3db139736690e24a21d499","target":"record","created_at":"2026-05-18T00:15:41Z","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":"bc80ba245e1c03d4ebe667aec47be6c2a7af81628f4156f02c1fd8c2743e2dab","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-03-08T14:51:57Z","title_canon_sha256":"6a3da47a35fd9d3530e5c586df4d902dd69c47c354cdff626986af49aa093ebe"},"schema_version":"1.0","source":{"id":"1803.03133","kind":"arxiv","version":2}},"canonical_sha256":"2c8d75d0626035b9b866e30256d8a5d08e28d1df66e5cb2e6a5d720defa5e323","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2c8d75d0626035b9b866e30256d8a5d08e28d1df66e5cb2e6a5d720defa5e323","first_computed_at":"2026-05-18T00:15:41.719343Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:15:41.719343Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wUmlnm6Ursmw+M3IaZ9hG0cyZ/GWavTa27reyOUYOpxOUnrMx9ZAiHM4F+uavxI5X2HZLUNkYyEt7iSsYEoBBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:15:41.719983Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.03133","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:792d90918573dd4b4396c9831e22ad1ccc787941db3db139736690e24a21d499","sha256:3a0850fb8f13a43ff8c684bdc60cb07d6217d3b5678ef19c0508b4ac3d3950f0"],"state_sha256":"c4d70e33e8298ad91801f0625e278b2459b74948e6b2e2e49d5d890309477684"}