{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:5OPPSCDH2OCOCY3EH5ILPH5BNV","short_pith_number":"pith:5OPPSCDH","schema_version":"1.0","canonical_sha256":"eb9ef90867d384e163643f50b79fa16d4f18d5c594597b57441ba95b1de523da","source":{"kind":"arxiv","id":"2409.12639","version":1},"attestation_state":"computed","paper":{"title":"Any Quantum Many-Body State under Local Dissipation will be Disentangled in Finite Time","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech","cond-mat.str-el","math-ph","math.MP"],"primary_cat":"quant-ph","authors_text":"Yuto Ashida, Zongping Gong","submitted_at":"2024-09-19T10:32:52Z","abstract_excerpt":"We prove that any quantum many-spin state under genetic local dissipation will be fully separable after a finite time independent of the system size. Such a sudden death of many-body entanglement occurs universally provided that there is a finite damping gap and the unique steady-state density matrix is of full rank. This result is rigorously derived by combining a state-reconstruction identity based on random measurements and the convergence bound for quantum channels. Related works and possible generalizations are also discussed."},"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":"2409.12639","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-09-19T10:32:52Z","cross_cats_sorted":["cond-mat.stat-mech","cond-mat.str-el","math-ph","math.MP"],"title_canon_sha256":"b0aa782b4ea1dc6acb5af2241131a3e1d26cc34eb931b3f43ecb23093a3d869e","abstract_canon_sha256":"354ea1b8c13c1de15089e12a1df0690a83391923d2308c5071ffb87004565fcf"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:09:10.094521Z","signature_b64":"kORrr312Aa4EosAtYTqdQyxrHG1/KxIvB1EYjxMwWfG2lR0Lp/bic/R5q4yLuAL8zDaga+iuPJVeSDjI17h5BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eb9ef90867d384e163643f50b79fa16d4f18d5c594597b57441ba95b1de523da","last_reissued_at":"2026-07-05T09:09:10.094030Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:09:10.094030Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Any Quantum Many-Body State under Local Dissipation will be Disentangled in Finite Time","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech","cond-mat.str-el","math-ph","math.MP"],"primary_cat":"quant-ph","authors_text":"Yuto Ashida, Zongping Gong","submitted_at":"2024-09-19T10:32:52Z","abstract_excerpt":"We prove that any quantum many-spin state under genetic local dissipation will be fully separable after a finite time independent of the system size. Such a sudden death of many-body entanglement occurs universally provided that there is a finite damping gap and the unique steady-state density matrix is of full rank. This result is rigorously derived by combining a state-reconstruction identity based on random measurements and the convergence bound for quantum channels. Related works and possible generalizations are also discussed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.12639","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2409.12639/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2409.12639","created_at":"2026-07-05T09:09:10.094089+00:00"},{"alias_kind":"arxiv_version","alias_value":"2409.12639v1","created_at":"2026-07-05T09:09:10.094089+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.12639","created_at":"2026-07-05T09:09:10.094089+00:00"},{"alias_kind":"pith_short_12","alias_value":"5OPPSCDH2OCO","created_at":"2026-07-05T09:09:10.094089+00:00"},{"alias_kind":"pith_short_16","alias_value":"5OPPSCDH2OCOCY3E","created_at":"2026-07-05T09:09:10.094089+00:00"},{"alias_kind":"pith_short_8","alias_value":"5OPPSCDH","created_at":"2026-07-05T09:09:10.094089+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2507.10319","citing_title":"Quantum i.i.d. Steady States in Open Many-Body Systems","ref_index":36,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/5OPPSCDH2OCOCY3EH5ILPH5BNV","json":"https://pith.science/pith/5OPPSCDH2OCOCY3EH5ILPH5BNV.json","graph_json":"https://pith.science/api/pith-number/5OPPSCDH2OCOCY3EH5ILPH5BNV/graph.json","events_json":"https://pith.science/api/pith-number/5OPPSCDH2OCOCY3EH5ILPH5BNV/events.json","paper":"https://pith.science/paper/5OPPSCDH"},"agent_actions":{"view_html":"https://pith.science/pith/5OPPSCDH2OCOCY3EH5ILPH5BNV","download_json":"https://pith.science/pith/5OPPSCDH2OCOCY3EH5ILPH5BNV.json","view_paper":"https://pith.science/paper/5OPPSCDH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2409.12639&json=true","fetch_graph":"https://pith.science/api/pith-number/5OPPSCDH2OCOCY3EH5ILPH5BNV/graph.json","fetch_events":"https://pith.science/api/pith-number/5OPPSCDH2OCOCY3EH5ILPH5BNV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5OPPSCDH2OCOCY3EH5ILPH5BNV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5OPPSCDH2OCOCY3EH5ILPH5BNV/action/storage_attestation","attest_author":"https://pith.science/pith/5OPPSCDH2OCOCY3EH5ILPH5BNV/action/author_attestation","sign_citation":"https://pith.science/pith/5OPPSCDH2OCOCY3EH5ILPH5BNV/action/citation_signature","submit_replication":"https://pith.science/pith/5OPPSCDH2OCOCY3EH5ILPH5BNV/action/replication_record"}},"created_at":"2026-07-05T09:09:10.094089+00:00","updated_at":"2026-07-05T09:09:10.094089+00:00"}