{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:KNK7FRZ2JIMEAXDSS2CV3YANCD","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":"3dde8d80cc9e80390da87263ea3476007c0b459f8c856c4a3a103cabfeedabcb","cross_cats_sorted":["cond-mat.quant-gas","cond-mat.str-el","hep-th","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2020-06-19T18:01:15Z","title_canon_sha256":"7aa53486d1545e84b469ec5548f8f0e6640c99d9256faac1c4234edcbfc897f6"},"schema_version":"1.0","source":{"id":"2006.11302","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.11302","created_at":"2026-07-05T01:49:03Z"},{"alias_kind":"arxiv_version","alias_value":"2006.11302v2","created_at":"2026-07-05T01:49:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.11302","created_at":"2026-07-05T01:49:03Z"},{"alias_kind":"pith_short_12","alias_value":"KNK7FRZ2JIME","created_at":"2026-07-05T01:49:03Z"},{"alias_kind":"pith_short_16","alias_value":"KNK7FRZ2JIMEAXDS","created_at":"2026-07-05T01:49:03Z"},{"alias_kind":"pith_short_8","alias_value":"KNK7FRZ2","created_at":"2026-07-05T01:49:03Z"}],"graph_snapshots":[{"event_id":"sha256:7d2e836cf4e548870c162221e3df8a43e5c2b428c2616b4303f48e9cda453124","target":"graph","created_at":"2026-07-05T01:49:03Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2006.11302/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The eigenstate entanglement entropy has been recently shown to be a powerful tool to distinguish integrable from generic quantum-chaotic models. In integrable models, a unique feature of the average eigenstate entanglement entropy (over all Hamiltonian eigenstates) is that the volume-law coefficient depends on the subsystem fraction. Hence, it deviates from the maximal (subsystem fraction independent) value encountered in quantum-chaotic models. Using random matrix theory for quadratic Hamiltonians, we obtain a closed-form expression for the average eigenstate entanglement entropy as a functio","authors_text":"Lev Vidmar, Marcos Rigol, Patrycja {\\L}yd\\.zba","cross_cats":["cond-mat.quant-gas","cond-mat.str-el","hep-th","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2020-06-19T18:01:15Z","title":"Eigenstate Entanglement Entropy in Random Quadratic Hamiltonians"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.11302","kind":"arxiv","version":2},"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":"sha256:54086d963dec72cf2427f68cd8ce6361823c3c2cabff81f3fa93d8b93ed60aa7","target":"record","created_at":"2026-07-05T01:49:03Z","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":"3dde8d80cc9e80390da87263ea3476007c0b459f8c856c4a3a103cabfeedabcb","cross_cats_sorted":["cond-mat.quant-gas","cond-mat.str-el","hep-th","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2020-06-19T18:01:15Z","title_canon_sha256":"7aa53486d1545e84b469ec5548f8f0e6640c99d9256faac1c4234edcbfc897f6"},"schema_version":"1.0","source":{"id":"2006.11302","kind":"arxiv","version":2}},"canonical_sha256":"5355f2c73a4a18405c7296855de00d10cd72b406b5dc8d885dd0be4547f513ab","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5355f2c73a4a18405c7296855de00d10cd72b406b5dc8d885dd0be4547f513ab","first_computed_at":"2026-07-05T01:49:03.842414Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:49:03.842414Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tPK7H6M+6QFCwBiFt/WY793gXqybxgN1dT8JcRNe+dOjVr35QroapAUD1m3E/SaSql/F86wak+6nUfBl7B8NCw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:49:03.842868Z","signed_message":"canonical_sha256_bytes"},"source_id":"2006.11302","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:54086d963dec72cf2427f68cd8ce6361823c3c2cabff81f3fa93d8b93ed60aa7","sha256:7d2e836cf4e548870c162221e3df8a43e5c2b428c2616b4303f48e9cda453124"],"state_sha256":"f7b74475aff2b9649d4f25c9e76fb230214205a662fbf7e7653d67aec2342df5"}