{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:V5MA4Q4HSYHSXN2XHQJ7E2EOKT","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":"050eb3e476587a7e5ca1460fe097b230d014a8ee0a188c749304eea3e4d8f6ce","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-05-17T17:34:07Z","title_canon_sha256":"2c82687c877838acdc7d51c1f238f5de6e55fd01d88e47f2bd407ceab0f8e392"},"schema_version":"1.0","source":{"id":"1305.5792","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.5792","created_at":"2026-05-18T01:49:46Z"},{"alias_kind":"arxiv_version","alias_value":"1305.5792v1","created_at":"2026-05-18T01:49:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.5792","created_at":"2026-05-18T01:49:46Z"},{"alias_kind":"pith_short_12","alias_value":"V5MA4Q4HSYHS","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"V5MA4Q4HSYHSXN2X","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"V5MA4Q4H","created_at":"2026-05-18T12:28:04Z"}],"graph_snapshots":[{"event_id":"sha256:b4db8a1134cf0b72d208ff2e4d8af61fb1ed60d14aafef1350ad8b3dd615a5ae","target":"graph","created_at":"2026-05-18T01:49:46Z","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 entanglement criterion for continuous variable systems and the conditions under which the uncertainty relations are fulfilled are generalized to the case of a noncommutative (NC) phase-space. The quantum nature and the separability of NC two-mode Gaussian states are examined. It is shown that the entanglement of Gaussian states may be exclusively induced by switching on the noncommutative deformation.","authors_text":"Alex E. Bernardini, Catarina Bastos, Jo\\~ao Nuno Prata, Nuno Costa Dias, Orfeu Bertolami","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-05-17T17:34:07Z","title":"Entanglement due to noncommutativity in the phase-space"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.5792","kind":"arxiv","version":1},"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:af07640f1b927d3940c2373010aef3c3dcd39e2be303a95be34ed17492cd6122","target":"record","created_at":"2026-05-18T01:49:46Z","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":"050eb3e476587a7e5ca1460fe097b230d014a8ee0a188c749304eea3e4d8f6ce","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-05-17T17:34:07Z","title_canon_sha256":"2c82687c877838acdc7d51c1f238f5de6e55fd01d88e47f2bd407ceab0f8e392"},"schema_version":"1.0","source":{"id":"1305.5792","kind":"arxiv","version":1}},"canonical_sha256":"af580e4387960f2bb7573c13f2688e54eb91d21a2cd2226c70d8c01312be7de5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"af580e4387960f2bb7573c13f2688e54eb91d21a2cd2226c70d8c01312be7de5","first_computed_at":"2026-05-18T01:49:46.777179Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:49:46.777179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eX12xjuCdUHgHtVg3XeoEE+D+WpUIFcoUxgQMso29ri3Yq+hck2aVcC0OcJ/O6XqzZyf9AE7wCcfJvuPuM/oCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:49:46.777623Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.5792","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:af07640f1b927d3940c2373010aef3c3dcd39e2be303a95be34ed17492cd6122","sha256:b4db8a1134cf0b72d208ff2e4d8af61fb1ed60d14aafef1350ad8b3dd615a5ae"],"state_sha256":"044bd1cd8b845cc06400a5906f634bd6c7a4015e0ac9274ba908c826cbc41f37"}