{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:6F4MMXVKPFKJ4UIOUVM7UAIDV2","short_pith_number":"pith:6F4MMXVK","schema_version":"1.0","canonical_sha256":"f178c65eaa79549e510ea559fa0103ae96e6e6b7f23038c8f37b86218f56cbaf","source":{"kind":"arxiv","id":"1412.5746","version":2},"attestation_state":"computed","paper":{"title":"A positive tensor network approach for simulating open quantum many-body systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech","cond-mat.str-el"],"primary_cat":"quant-ph","authors_text":"A. H. Werner, D. Jaschke, J. Eisert, M. Kliesch, P. Silvi, S. Montangero, T. Calarco","submitted_at":"2014-12-18T08:00:28Z","abstract_excerpt":"Open many-body quantum systems play an important role in quantum optics and condensed-matter physics, and capture phenomena like transport, interplay between Hamiltonian and incoherent dynamics, and topological order generated by dissipation. We introduce a versatile and practical method to numerically simulate one-dimensional open quantum many-body dynamics using tensor networks. It is based on representing mixed quantum states in a locally purified form, which guarantees that positivity is preserved at all times. Moreover, the approximation error is controlled with respect to the trace norm."},"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":"1412.5746","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-12-18T08:00:28Z","cross_cats_sorted":["cond-mat.stat-mech","cond-mat.str-el"],"title_canon_sha256":"0d2073e20e182bee567a319f54e96cc1063f5f7842a091ac402090b0b2590600","abstract_canon_sha256":"0ec4e2040a7ca90c78b5b6d81f1e78ad9dc7ec9e1a9a80f14e0d6f78d091ea66"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:30.922803Z","signature_b64":"a9zLfThb70NxPl/y2Ld/T3fzuYDUTmKZVoMTZZYlrmddmO8FWyn+vzeUjeKc2eAHiMq/aj0jSwcgT9nJQasxCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f178c65eaa79549e510ea559fa0103ae96e6e6b7f23038c8f37b86218f56cbaf","last_reissued_at":"2026-05-18T01:12:30.922454Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:30.922454Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A positive tensor network approach for simulating open quantum many-body systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech","cond-mat.str-el"],"primary_cat":"quant-ph","authors_text":"A. H. Werner, D. Jaschke, J. Eisert, M. Kliesch, P. Silvi, S. Montangero, T. Calarco","submitted_at":"2014-12-18T08:00:28Z","abstract_excerpt":"Open many-body quantum systems play an important role in quantum optics and condensed-matter physics, and capture phenomena like transport, interplay between Hamiltonian and incoherent dynamics, and topological order generated by dissipation. We introduce a versatile and practical method to numerically simulate one-dimensional open quantum many-body dynamics using tensor networks. It is based on representing mixed quantum states in a locally purified form, which guarantees that positivity is preserved at all times. Moreover, the approximation error is controlled with respect to the trace norm."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.5746","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":"1412.5746","created_at":"2026-05-18T01:12:30.922507+00:00"},{"alias_kind":"arxiv_version","alias_value":"1412.5746v2","created_at":"2026-05-18T01:12:30.922507+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.5746","created_at":"2026-05-18T01:12:30.922507+00:00"},{"alias_kind":"pith_short_12","alias_value":"6F4MMXVKPFKJ","created_at":"2026-05-18T12:28:16.859392+00:00"},{"alias_kind":"pith_short_16","alias_value":"6F4MMXVKPFKJ4UIO","created_at":"2026-05-18T12:28:16.859392+00:00"},{"alias_kind":"pith_short_8","alias_value":"6F4MMXVK","created_at":"2026-05-18T12:28:16.859392+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/6F4MMXVKPFKJ4UIOUVM7UAIDV2","json":"https://pith.science/pith/6F4MMXVKPFKJ4UIOUVM7UAIDV2.json","graph_json":"https://pith.science/api/pith-number/6F4MMXVKPFKJ4UIOUVM7UAIDV2/graph.json","events_json":"https://pith.science/api/pith-number/6F4MMXVKPFKJ4UIOUVM7UAIDV2/events.json","paper":"https://pith.science/paper/6F4MMXVK"},"agent_actions":{"view_html":"https://pith.science/pith/6F4MMXVKPFKJ4UIOUVM7UAIDV2","download_json":"https://pith.science/pith/6F4MMXVKPFKJ4UIOUVM7UAIDV2.json","view_paper":"https://pith.science/paper/6F4MMXVK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1412.5746&json=true","fetch_graph":"https://pith.science/api/pith-number/6F4MMXVKPFKJ4UIOUVM7UAIDV2/graph.json","fetch_events":"https://pith.science/api/pith-number/6F4MMXVKPFKJ4UIOUVM7UAIDV2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6F4MMXVKPFKJ4UIOUVM7UAIDV2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6F4MMXVKPFKJ4UIOUVM7UAIDV2/action/storage_attestation","attest_author":"https://pith.science/pith/6F4MMXVKPFKJ4UIOUVM7UAIDV2/action/author_attestation","sign_citation":"https://pith.science/pith/6F4MMXVKPFKJ4UIOUVM7UAIDV2/action/citation_signature","submit_replication":"https://pith.science/pith/6F4MMXVKPFKJ4UIOUVM7UAIDV2/action/replication_record"}},"created_at":"2026-05-18T01:12:30.922507+00:00","updated_at":"2026-05-18T01:12:30.922507+00:00"}