{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:L2BKFLXYPG5BF4ZKFOX3ACEKGD","short_pith_number":"pith:L2BKFLXY","schema_version":"1.0","canonical_sha256":"5e82a2aef879ba12f32a2bafb0088a30dd0d0ac85bacd80f029dcf806cb6dddd","source":{"kind":"arxiv","id":"1611.01134","version":3},"attestation_state":"computed","paper":{"title":"Pairwise entanglement and the Mott transition for correlated electrons in nanochains","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Adam Rycerz","submitted_at":"2016-11-03T19:22:50Z","abstract_excerpt":"Pairwise entanglement, calculated separately for charge and spin degrees of freedom, is proposed as a ground-state signature of the Mott transition in correlated nanoscopic systems. Utilizing the exact diagonalization - ab initio method (EDABI), for chains containing $N\\leqslant{}16$ hydrogenic-like atoms (at the half filling), we find that the vanishing of the nearest-neighbor charge concurrence indicates the crossover from a partly-localized quantum liquid to the Mott insulator. Spin concurrence remains nonzero at the insulating phase, showing that the decopling of spin and charge degrees of"},"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":"1611.01134","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-11-03T19:22:50Z","cross_cats_sorted":[],"title_canon_sha256":"551d03073d629ad6d54acc9bdfd93ae7e10de417be27d4758f77757702db6c4b","abstract_canon_sha256":"04c190f05e415e4cd62b506c71107bc8d62a8db48e1b598b754aad1526721c89"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:42:44.111814Z","signature_b64":"W2/Zpdajf3KQSodKuEfWQh619aOp2z1g2lwIwbjbFI7Devh69bAdHVBaPcd/mw53t1r1XD1cjVpm7m83rgIjDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5e82a2aef879ba12f32a2bafb0088a30dd0d0ac85bacd80f029dcf806cb6dddd","last_reissued_at":"2026-05-18T00:42:44.111150Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:42:44.111150Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Pairwise entanglement and the Mott transition for correlated electrons in nanochains","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Adam Rycerz","submitted_at":"2016-11-03T19:22:50Z","abstract_excerpt":"Pairwise entanglement, calculated separately for charge and spin degrees of freedom, is proposed as a ground-state signature of the Mott transition in correlated nanoscopic systems. Utilizing the exact diagonalization - ab initio method (EDABI), for chains containing $N\\leqslant{}16$ hydrogenic-like atoms (at the half filling), we find that the vanishing of the nearest-neighbor charge concurrence indicates the crossover from a partly-localized quantum liquid to the Mott insulator. Spin concurrence remains nonzero at the insulating phase, showing that the decopling of spin and charge degrees of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.01134","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":""},"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":"1611.01134","created_at":"2026-05-18T00:42:44.111240+00:00"},{"alias_kind":"arxiv_version","alias_value":"1611.01134v3","created_at":"2026-05-18T00:42:44.111240+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.01134","created_at":"2026-05-18T00:42:44.111240+00:00"},{"alias_kind":"pith_short_12","alias_value":"L2BKFLXYPG5B","created_at":"2026-05-18T12:30:29.479603+00:00"},{"alias_kind":"pith_short_16","alias_value":"L2BKFLXYPG5BF4ZK","created_at":"2026-05-18T12:30:29.479603+00:00"},{"alias_kind":"pith_short_8","alias_value":"L2BKFLXY","created_at":"2026-05-18T12:30:29.479603+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/L2BKFLXYPG5BF4ZKFOX3ACEKGD","json":"https://pith.science/pith/L2BKFLXYPG5BF4ZKFOX3ACEKGD.json","graph_json":"https://pith.science/api/pith-number/L2BKFLXYPG5BF4ZKFOX3ACEKGD/graph.json","events_json":"https://pith.science/api/pith-number/L2BKFLXYPG5BF4ZKFOX3ACEKGD/events.json","paper":"https://pith.science/paper/L2BKFLXY"},"agent_actions":{"view_html":"https://pith.science/pith/L2BKFLXYPG5BF4ZKFOX3ACEKGD","download_json":"https://pith.science/pith/L2BKFLXYPG5BF4ZKFOX3ACEKGD.json","view_paper":"https://pith.science/paper/L2BKFLXY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1611.01134&json=true","fetch_graph":"https://pith.science/api/pith-number/L2BKFLXYPG5BF4ZKFOX3ACEKGD/graph.json","fetch_events":"https://pith.science/api/pith-number/L2BKFLXYPG5BF4ZKFOX3ACEKGD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/L2BKFLXYPG5BF4ZKFOX3ACEKGD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/L2BKFLXYPG5BF4ZKFOX3ACEKGD/action/storage_attestation","attest_author":"https://pith.science/pith/L2BKFLXYPG5BF4ZKFOX3ACEKGD/action/author_attestation","sign_citation":"https://pith.science/pith/L2BKFLXYPG5BF4ZKFOX3ACEKGD/action/citation_signature","submit_replication":"https://pith.science/pith/L2BKFLXYPG5BF4ZKFOX3ACEKGD/action/replication_record"}},"created_at":"2026-05-18T00:42:44.111240+00:00","updated_at":"2026-05-18T00:42:44.111240+00:00"}