{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:4Y5Q2LY42R5CPC5UMS3DAMJYU3","short_pith_number":"pith:4Y5Q2LY4","schema_version":"1.0","canonical_sha256":"e63b0d2f1cd47a278bb464b6303138a6ef089af56a2234f1b325f70db37d4d06","source":{"kind":"arxiv","id":"1702.04924","version":3},"attestation_state":"computed","paper":{"title":"Entanglement measures and their properties in quantum field theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-th","math-ph","math.MP"],"primary_cat":"quant-ph","authors_text":"Ko Sanders, Stefan Hollands","submitted_at":"2017-02-16T11:17:35Z","abstract_excerpt":"An entanglement measure for a bipartite quantum system is a state functional that vanishes on separable states and that does not increase under separable (local) operations. It is well-known that for pure states, essentially all entanglement measures are equal to the v. Neumann entropy of the reduced state, but for mixed states, this uniqueness is lost. In quantum field theory, bipartite systems are associated with causally disjoint regions. There are no separable (normal) states to begin with when the regions touch each other, so one must leave a finite \"safety-corridor\". Due to this corridor"},"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":"1702.04924","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-02-16T11:17:35Z","cross_cats_sorted":["gr-qc","hep-th","math-ph","math.MP"],"title_canon_sha256":"2d1070fbdf469891d630d5dd944789136d05eb58afc89c8593f505eb3e23055b","abstract_canon_sha256":"7250e8345aded3fcbd53faaf380524f52d5cf9bfa727f5ef724454562c472d0a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:56:46.281725Z","signature_b64":"udhW5AVuELzcu43NKV+8Y+L4hK5LA+u8+J+I/S5B7jZ3+Z0geb9FfG7EkL0lrnsw3ZtnJyNiLsRwyTtuFI7/Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e63b0d2f1cd47a278bb464b6303138a6ef089af56a2234f1b325f70db37d4d06","last_reissued_at":"2026-07-05T11:56:46.281283Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:56:46.281283Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Entanglement measures and their properties in quantum field theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-th","math-ph","math.MP"],"primary_cat":"quant-ph","authors_text":"Ko Sanders, Stefan Hollands","submitted_at":"2017-02-16T11:17:35Z","abstract_excerpt":"An entanglement measure for a bipartite quantum system is a state functional that vanishes on separable states and that does not increase under separable (local) operations. It is well-known that for pure states, essentially all entanglement measures are equal to the v. Neumann entropy of the reduced state, but for mixed states, this uniqueness is lost. In quantum field theory, bipartite systems are associated with causally disjoint regions. There are no separable (normal) states to begin with when the regions touch each other, so one must leave a finite \"safety-corridor\". Due to this corridor"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.04924","kind":"arxiv","version":3},"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/1702.04924/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":"1702.04924","created_at":"2026-07-05T11:56:46.281341+00:00"},{"alias_kind":"arxiv_version","alias_value":"1702.04924v3","created_at":"2026-07-05T11:56:46.281341+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.04924","created_at":"2026-07-05T11:56:46.281341+00:00"},{"alias_kind":"pith_short_12","alias_value":"4Y5Q2LY42R5C","created_at":"2026-07-05T11:56:46.281341+00:00"},{"alias_kind":"pith_short_16","alias_value":"4Y5Q2LY42R5CPC5U","created_at":"2026-07-05T11:56:46.281341+00:00"},{"alias_kind":"pith_short_8","alias_value":"4Y5Q2LY4","created_at":"2026-07-05T11:56:46.281341+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":4,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2404.16004","citing_title":"Channel-State duality with centers","ref_index":31,"is_internal_anchor":false},{"citing_arxiv_id":"2605.20001","citing_title":"Numerical approach to the modular operator for fermionic systems","ref_index":18,"is_internal_anchor":false},{"citing_arxiv_id":"2510.17730","citing_title":"Automated computation of spin-density matrices and quantum observables for collider physics","ref_index":70,"is_internal_anchor":false},{"citing_arxiv_id":"2601.02331","citing_title":"Quantum dynamics of cosmological particle production: interacting quantum field theories with matrix product states","ref_index":89,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/4Y5Q2LY42R5CPC5UMS3DAMJYU3","json":"https://pith.science/pith/4Y5Q2LY42R5CPC5UMS3DAMJYU3.json","graph_json":"https://pith.science/api/pith-number/4Y5Q2LY42R5CPC5UMS3DAMJYU3/graph.json","events_json":"https://pith.science/api/pith-number/4Y5Q2LY42R5CPC5UMS3DAMJYU3/events.json","paper":"https://pith.science/paper/4Y5Q2LY4"},"agent_actions":{"view_html":"https://pith.science/pith/4Y5Q2LY42R5CPC5UMS3DAMJYU3","download_json":"https://pith.science/pith/4Y5Q2LY42R5CPC5UMS3DAMJYU3.json","view_paper":"https://pith.science/paper/4Y5Q2LY4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1702.04924&json=true","fetch_graph":"https://pith.science/api/pith-number/4Y5Q2LY42R5CPC5UMS3DAMJYU3/graph.json","fetch_events":"https://pith.science/api/pith-number/4Y5Q2LY42R5CPC5UMS3DAMJYU3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4Y5Q2LY42R5CPC5UMS3DAMJYU3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4Y5Q2LY42R5CPC5UMS3DAMJYU3/action/storage_attestation","attest_author":"https://pith.science/pith/4Y5Q2LY42R5CPC5UMS3DAMJYU3/action/author_attestation","sign_citation":"https://pith.science/pith/4Y5Q2LY42R5CPC5UMS3DAMJYU3/action/citation_signature","submit_replication":"https://pith.science/pith/4Y5Q2LY42R5CPC5UMS3DAMJYU3/action/replication_record"}},"created_at":"2026-07-05T11:56:46.281341+00:00","updated_at":"2026-07-05T11:56:46.281341+00:00"}