{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:F3SL6KMNT7QQUMBUE3Q2YK6QF5","short_pith_number":"pith:F3SL6KMN","schema_version":"1.0","canonical_sha256":"2ee4bf298d9fe10a303426e1ac2bd02f5671a59d5be59b82ee061ccf0022cb9c","source":{"kind":"arxiv","id":"1207.3294","version":2},"attestation_state":"computed","paper":{"title":"Recovering Entanglement by Local Operations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"quant-ph","authors_text":"A. D'Arrigo, E. Paladino, G. Benenti, G. Falci, R. Lo Franco","submitted_at":"2012-07-13T16:18:04Z","abstract_excerpt":"We investigate the phenomenon of bipartite entanglement revivals under purely local operations in systems subject to local and independent classical noise sources. We explain this apparent paradox in the physical ensemble description of the system state by introducing the concept of \"hidden\" entanglement, which indicates the amount of entanglement that cannot be exploited due to the lack of classical information on the system. For this reason this part of entanglement can be recovered without the action of non-local operations or back-transfer process. For two noninteracting qubits under a low"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1207.3294","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-07-13T16:18:04Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"d9465b5a222268077b702716da40cac54ae0ce945c24d4260c3a6b8dcc157f67","abstract_canon_sha256":"e5ff0f203b8f367c1743be98817f3613cff05cbc51d04b87dc8af283317e3295"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:43:45.715693Z","signature_b64":"Kaxnt36bzt8FijxupKB/IeYSBc6+S+EKa+KBwq52vm27jZwRR//3OZAcQ0JUUguGo6zND/sm0jvYVxHBN++xDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2ee4bf298d9fe10a303426e1ac2bd02f5671a59d5be59b82ee061ccf0022cb9c","last_reissued_at":"2026-05-18T02:43:45.715279Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:43:45.715279Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Recovering Entanglement by Local Operations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"quant-ph","authors_text":"A. D'Arrigo, E. Paladino, G. Benenti, G. Falci, R. Lo Franco","submitted_at":"2012-07-13T16:18:04Z","abstract_excerpt":"We investigate the phenomenon of bipartite entanglement revivals under purely local operations in systems subject to local and independent classical noise sources. We explain this apparent paradox in the physical ensemble description of the system state by introducing the concept of \"hidden\" entanglement, which indicates the amount of entanglement that cannot be exploited due to the lack of classical information on the system. For this reason this part of entanglement can be recovered without the action of non-local operations or back-transfer process. For two noninteracting qubits under a low"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.3294","kind":"arxiv","version":2},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1207.3294","created_at":"2026-05-18T02:43:45.715342+00:00"},{"alias_kind":"arxiv_version","alias_value":"1207.3294v2","created_at":"2026-05-18T02:43:45.715342+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.3294","created_at":"2026-05-18T02:43:45.715342+00:00"},{"alias_kind":"pith_short_12","alias_value":"F3SL6KMNT7QQ","created_at":"2026-05-18T12:27:04.183437+00:00"},{"alias_kind":"pith_short_16","alias_value":"F3SL6KMNT7QQUMBU","created_at":"2026-05-18T12:27:04.183437+00:00"},{"alias_kind":"pith_short_8","alias_value":"F3SL6KMN","created_at":"2026-05-18T12:27:04.183437+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/F3SL6KMNT7QQUMBUE3Q2YK6QF5","json":"https://pith.science/pith/F3SL6KMNT7QQUMBUE3Q2YK6QF5.json","graph_json":"https://pith.science/api/pith-number/F3SL6KMNT7QQUMBUE3Q2YK6QF5/graph.json","events_json":"https://pith.science/api/pith-number/F3SL6KMNT7QQUMBUE3Q2YK6QF5/events.json","paper":"https://pith.science/paper/F3SL6KMN"},"agent_actions":{"view_html":"https://pith.science/pith/F3SL6KMNT7QQUMBUE3Q2YK6QF5","download_json":"https://pith.science/pith/F3SL6KMNT7QQUMBUE3Q2YK6QF5.json","view_paper":"https://pith.science/paper/F3SL6KMN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1207.3294&json=true","fetch_graph":"https://pith.science/api/pith-number/F3SL6KMNT7QQUMBUE3Q2YK6QF5/graph.json","fetch_events":"https://pith.science/api/pith-number/F3SL6KMNT7QQUMBUE3Q2YK6QF5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/F3SL6KMNT7QQUMBUE3Q2YK6QF5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/F3SL6KMNT7QQUMBUE3Q2YK6QF5/action/storage_attestation","attest_author":"https://pith.science/pith/F3SL6KMNT7QQUMBUE3Q2YK6QF5/action/author_attestation","sign_citation":"https://pith.science/pith/F3SL6KMNT7QQUMBUE3Q2YK6QF5/action/citation_signature","submit_replication":"https://pith.science/pith/F3SL6KMNT7QQUMBUE3Q2YK6QF5/action/replication_record"}},"created_at":"2026-05-18T02:43:45.715342+00:00","updated_at":"2026-05-18T02:43:45.715342+00:00"}