{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:S24TUKFL7DNMWNWHGCIVXRCSNI","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":"5d4a0ee645b0cd90c78bfe6fa18d864361a7a3a838877cf286e4d7f6b4c45a8a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-10-09T06:53:04Z","title_canon_sha256":"acbdacfddb49c0fae82e111f56291b2cc6810e9264afde860289f3b9bae70d2f"},"schema_version":"1.0","source":{"id":"1010.1817","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.1817","created_at":"2026-05-18T04:39:38Z"},{"alias_kind":"arxiv_version","alias_value":"1010.1817v1","created_at":"2026-05-18T04:39:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.1817","created_at":"2026-05-18T04:39:38Z"},{"alias_kind":"pith_short_12","alias_value":"S24TUKFL7DNM","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_16","alias_value":"S24TUKFL7DNMWNWH","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_8","alias_value":"S24TUKFL","created_at":"2026-05-18T12:26:13Z"}],"graph_snapshots":[{"event_id":"sha256:874e74ddd94768ea9f0f562872d6c3bc9cd0b55ac182b543aedba4d62a96f74a","target":"graph","created_at":"2026-05-18T04:39:38Z","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":"We apply the continuous variable approach to study entangled dynamics of coupled harmonic oscillators interacting with a thermal reservoir and to a deterministic creation of entanglement in an atomic ensemble located inside a high-Q ring cavity. In the case of harmonic oscillators, we show that a suitable unitary transformation of the position and momentum operators transforms the system to a set of independent harmonic oscillators with only one of them coupled to the reservoir. Working in the Wigner representation of the density operator, we find that the covariance matrix has a block diagona","authors_text":"Gao-Xiang Li, Li-hui Sun, Zbigniew Ficek","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-10-09T06:53:04Z","title":"Continuous variables approach to entanglement creation and processing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.1817","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:ae5bd084be6bf96a33053032110f4d9101ac25fa05e95b362a54c25ba07da442","target":"record","created_at":"2026-05-18T04:39:38Z","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":"5d4a0ee645b0cd90c78bfe6fa18d864361a7a3a838877cf286e4d7f6b4c45a8a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-10-09T06:53:04Z","title_canon_sha256":"acbdacfddb49c0fae82e111f56291b2cc6810e9264afde860289f3b9bae70d2f"},"schema_version":"1.0","source":{"id":"1010.1817","kind":"arxiv","version":1}},"canonical_sha256":"96b93a28abf8dacb36c730915bc4526a11f01ad299d2d1f775a9e08d2995aaba","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"96b93a28abf8dacb36c730915bc4526a11f01ad299d2d1f775a9e08d2995aaba","first_computed_at":"2026-05-18T04:39:38.476870Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:39:38.476870Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BIBk5P3waBivlREz8A5buA4PbcadchwMRkTC032wU+noUcVHVq6wM5kXSjA3rVTDinrZ4crELDmj4zc+R4u/Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:39:38.477323Z","signed_message":"canonical_sha256_bytes"},"source_id":"1010.1817","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ae5bd084be6bf96a33053032110f4d9101ac25fa05e95b362a54c25ba07da442","sha256:874e74ddd94768ea9f0f562872d6c3bc9cd0b55ac182b543aedba4d62a96f74a"],"state_sha256":"015e7ec3eb959be0e63c057644406bac0b72536fbda30fe3a3358a7dee4a06a1"}