{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:2BZLNFJTU45XQZ6J6WXAY5AQOX","short_pith_number":"pith:2BZLNFJT","canonical_record":{"source":{"id":"0910.2342","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2009-10-13T09:25:43Z","cross_cats_sorted":[],"title_canon_sha256":"80b16383c8477c884981751d30170e0ffc28b25b63060482b461e6c628d7ec42","abstract_canon_sha256":"047b420d4412fdba1d9c2d106c0a508c6e503bec53ea4b3799f895ee564edfdb"},"schema_version":"1.0"},"canonical_sha256":"d072b69533a73b7867c9f5ae0c741075d3f36dcef22f5be64568b9bc9670f7f7","source":{"kind":"arxiv","id":"0910.2342","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.2342","created_at":"2026-05-18T02:11:24Z"},{"alias_kind":"arxiv_version","alias_value":"0910.2342v1","created_at":"2026-05-18T02:11:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.2342","created_at":"2026-05-18T02:11:24Z"},{"alias_kind":"pith_short_12","alias_value":"2BZLNFJTU45X","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"2BZLNFJTU45XQZ6J","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"2BZLNFJT","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:2BZLNFJTU45XQZ6J6WXAY5AQOX","target":"record","payload":{"canonical_record":{"source":{"id":"0910.2342","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2009-10-13T09:25:43Z","cross_cats_sorted":[],"title_canon_sha256":"80b16383c8477c884981751d30170e0ffc28b25b63060482b461e6c628d7ec42","abstract_canon_sha256":"047b420d4412fdba1d9c2d106c0a508c6e503bec53ea4b3799f895ee564edfdb"},"schema_version":"1.0"},"canonical_sha256":"d072b69533a73b7867c9f5ae0c741075d3f36dcef22f5be64568b9bc9670f7f7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:11:24.208778Z","signature_b64":"sfgeI+AmTz+5pWEdh1cmZlCjYxC3ExfltXvSCQIZGu4BGmGc8IbpIsiFQMsvQHb4SVja6CqDx7+FtQ0+AQGiBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d072b69533a73b7867c9f5ae0c741075d3f36dcef22f5be64568b9bc9670f7f7","last_reissued_at":"2026-05-18T02:11:24.207822Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:11:24.207822Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0910.2342","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:11:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N+I4NgHG2mNdf8U8DD8EoNwR7th3Zgv5bTtfxJ/2afYT8CkTUjAyGrptmF94C/SqG/pazMRO3JVAuF5+h5m4Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T15:53:44.644346Z"},"content_sha256":"0fd30163ee4484d53f38a6a9747fda605fbd2de9cde3f2cd1e4940e14f227cdb","schema_version":"1.0","event_id":"sha256:0fd30163ee4484d53f38a6a9747fda605fbd2de9cde3f2cd1e4940e14f227cdb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:2BZLNFJTU45XQZ6J6WXAY5AQOX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Continuous variable entanglement dynamics in structured reservoirs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"M. G. A. Paris, R. Vasile, S. Maniscalco, S. Olivares","submitted_at":"2009-10-13T09:25:43Z","abstract_excerpt":"We address the evolution of entanglement in bimodal continuous variable quantum systems interacting with two independent structured reservoirs. We derive an analytic expression for the entanglement of formation without performing the Markov and the secular approximations and study in details the entanglement dynamics for various types of structured reservoirs and for different reservoir temperatures, assuming the two modes initially excited in a twin-beam state. Our analytic solution allows us to identify three dynamical regimes characterized by different behaviors of the entanglement: the ent"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.2342","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:11:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tHXbGOUiT2lIoq5Q2lhVNtzPQ8yBYzk+p8x7ElQNuo+htRLRqJHKkYIStBxYvH3GTxR8A1G2khRG4xUe/rEcDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T15:53:44.645035Z"},"content_sha256":"2d343fb6dbc948c3e3244e0b04f68737376a14b1a1bc44eef15c09966539cc41","schema_version":"1.0","event_id":"sha256:2d343fb6dbc948c3e3244e0b04f68737376a14b1a1bc44eef15c09966539cc41"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2BZLNFJTU45XQZ6J6WXAY5AQOX/bundle.json","state_url":"https://pith.science/pith/2BZLNFJTU45XQZ6J6WXAY5AQOX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2BZLNFJTU45XQZ6J6WXAY5AQOX/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-29T15:53:44Z","links":{"resolver":"https://pith.science/pith/2BZLNFJTU45XQZ6J6WXAY5AQOX","bundle":"https://pith.science/pith/2BZLNFJTU45XQZ6J6WXAY5AQOX/bundle.json","state":"https://pith.science/pith/2BZLNFJTU45XQZ6J6WXAY5AQOX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2BZLNFJTU45XQZ6J6WXAY5AQOX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:2BZLNFJTU45XQZ6J6WXAY5AQOX","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":"047b420d4412fdba1d9c2d106c0a508c6e503bec53ea4b3799f895ee564edfdb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2009-10-13T09:25:43Z","title_canon_sha256":"80b16383c8477c884981751d30170e0ffc28b25b63060482b461e6c628d7ec42"},"schema_version":"1.0","source":{"id":"0910.2342","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.2342","created_at":"2026-05-18T02:11:24Z"},{"alias_kind":"arxiv_version","alias_value":"0910.2342v1","created_at":"2026-05-18T02:11:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.2342","created_at":"2026-05-18T02:11:24Z"},{"alias_kind":"pith_short_12","alias_value":"2BZLNFJTU45X","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"2BZLNFJTU45XQZ6J","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"2BZLNFJT","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:2d343fb6dbc948c3e3244e0b04f68737376a14b1a1bc44eef15c09966539cc41","target":"graph","created_at":"2026-05-18T02:11:24Z","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 address the evolution of entanglement in bimodal continuous variable quantum systems interacting with two independent structured reservoirs. We derive an analytic expression for the entanglement of formation without performing the Markov and the secular approximations and study in details the entanglement dynamics for various types of structured reservoirs and for different reservoir temperatures, assuming the two modes initially excited in a twin-beam state. Our analytic solution allows us to identify three dynamical regimes characterized by different behaviors of the entanglement: the ent","authors_text":"M. G. A. Paris, R. Vasile, S. Maniscalco, S. Olivares","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2009-10-13T09:25:43Z","title":"Continuous variable entanglement dynamics in structured reservoirs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.2342","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":"sha256:0fd30163ee4484d53f38a6a9747fda605fbd2de9cde3f2cd1e4940e14f227cdb","target":"record","created_at":"2026-05-18T02:11:24Z","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":"047b420d4412fdba1d9c2d106c0a508c6e503bec53ea4b3799f895ee564edfdb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2009-10-13T09:25:43Z","title_canon_sha256":"80b16383c8477c884981751d30170e0ffc28b25b63060482b461e6c628d7ec42"},"schema_version":"1.0","source":{"id":"0910.2342","kind":"arxiv","version":1}},"canonical_sha256":"d072b69533a73b7867c9f5ae0c741075d3f36dcef22f5be64568b9bc9670f7f7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d072b69533a73b7867c9f5ae0c741075d3f36dcef22f5be64568b9bc9670f7f7","first_computed_at":"2026-05-18T02:11:24.207822Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:11:24.207822Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sfgeI+AmTz+5pWEdh1cmZlCjYxC3ExfltXvSCQIZGu4BGmGc8IbpIsiFQMsvQHb4SVja6CqDx7+FtQ0+AQGiBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:11:24.208778Z","signed_message":"canonical_sha256_bytes"},"source_id":"0910.2342","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0fd30163ee4484d53f38a6a9747fda605fbd2de9cde3f2cd1e4940e14f227cdb","sha256:2d343fb6dbc948c3e3244e0b04f68737376a14b1a1bc44eef15c09966539cc41"],"state_sha256":"b441ae6fab12fc4e4370706511e1782665e1cedf013ff2cc60b648c9b5c798fb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+hAPzVql6fNphhgOS5JwGHT1YP+CO3bzdJLCReIQdOChPifrDO74lP533RzcxFnU3NCtXRGIA7YKIqx06PyBCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T15:53:44.648473Z","bundle_sha256":"001ce35bdd7a119a4d90a2d9abf36a9e92d533947cffde8857f403d78af2dc21"}}