{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:ZCSBDPAXZVRTZDXOATKBRCOA7I","short_pith_number":"pith:ZCSBDPAX","schema_version":"1.0","canonical_sha256":"c8a411bc17cd633c8eee04d41889c0fa1b9945c2ae6643451f954593c8b01591","source":{"kind":"arxiv","id":"1803.09881","version":1},"attestation_state":"computed","paper":{"title":"Magneto-Electric Effect in a Spin-State Transition System","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Eriko Mizoguchi, Joji Nasu, Makoto Naka, Sumio Ishihara","submitted_at":"2018-03-27T03:47:45Z","abstract_excerpt":"Magnetic, dielectric, and magnetoelectric properties in a spin-state transition system are examined, motivated by the recent discovery of a multiferroic behavior in a cobalt oxide. We construct an effective model Hamiltonian based on the two-orbital Hubbard model, in which the spin-state degrees of freedom in magnetic ions couple with ferroelectric-type lattice distortions. A phase transition occurs from the high-temperature low-spin phase to the low-temperature high-spin ferroelectric phase with accompanying an increase of the spin entropy. The calculated results are consistent with the exper"},"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":"1803.09881","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-03-27T03:47:45Z","cross_cats_sorted":[],"title_canon_sha256":"a69cc97497ab44c61d16aab9b76d89bac6b357a85f8faffd9e575ef446126862","abstract_canon_sha256":"830655d02c9316657177244ea2eefe461cf191a2ce69fac0e061a5bb4a482a5d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:13:26.709600Z","signature_b64":"/6jgcP2PcGgr0l0q2bBouZkF36XJksX6xHbaO8rhoSxCN2gdkmHI8MB75I87cpObpryOhIvs5nhGkf9cFAruDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c8a411bc17cd633c8eee04d41889c0fa1b9945c2ae6643451f954593c8b01591","last_reissued_at":"2026-05-18T00:13:26.708914Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:13:26.708914Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Magneto-Electric Effect in a Spin-State Transition System","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Eriko Mizoguchi, Joji Nasu, Makoto Naka, Sumio Ishihara","submitted_at":"2018-03-27T03:47:45Z","abstract_excerpt":"Magnetic, dielectric, and magnetoelectric properties in a spin-state transition system are examined, motivated by the recent discovery of a multiferroic behavior in a cobalt oxide. We construct an effective model Hamiltonian based on the two-orbital Hubbard model, in which the spin-state degrees of freedom in magnetic ions couple with ferroelectric-type lattice distortions. A phase transition occurs from the high-temperature low-spin phase to the low-temperature high-spin ferroelectric phase with accompanying an increase of the spin entropy. The calculated results are consistent with the exper"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.09881","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":""},"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":"1803.09881","created_at":"2026-05-18T00:13:26.709004+00:00"},{"alias_kind":"arxiv_version","alias_value":"1803.09881v1","created_at":"2026-05-18T00:13:26.709004+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.09881","created_at":"2026-05-18T00:13:26.709004+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZCSBDPAXZVRT","created_at":"2026-05-18T12:33:04.347982+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZCSBDPAXZVRTZDXO","created_at":"2026-05-18T12:33:04.347982+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZCSBDPAX","created_at":"2026-05-18T12:33:04.347982+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/ZCSBDPAXZVRTZDXOATKBRCOA7I","json":"https://pith.science/pith/ZCSBDPAXZVRTZDXOATKBRCOA7I.json","graph_json":"https://pith.science/api/pith-number/ZCSBDPAXZVRTZDXOATKBRCOA7I/graph.json","events_json":"https://pith.science/api/pith-number/ZCSBDPAXZVRTZDXOATKBRCOA7I/events.json","paper":"https://pith.science/paper/ZCSBDPAX"},"agent_actions":{"view_html":"https://pith.science/pith/ZCSBDPAXZVRTZDXOATKBRCOA7I","download_json":"https://pith.science/pith/ZCSBDPAXZVRTZDXOATKBRCOA7I.json","view_paper":"https://pith.science/paper/ZCSBDPAX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1803.09881&json=true","fetch_graph":"https://pith.science/api/pith-number/ZCSBDPAXZVRTZDXOATKBRCOA7I/graph.json","fetch_events":"https://pith.science/api/pith-number/ZCSBDPAXZVRTZDXOATKBRCOA7I/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZCSBDPAXZVRTZDXOATKBRCOA7I/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZCSBDPAXZVRTZDXOATKBRCOA7I/action/storage_attestation","attest_author":"https://pith.science/pith/ZCSBDPAXZVRTZDXOATKBRCOA7I/action/author_attestation","sign_citation":"https://pith.science/pith/ZCSBDPAXZVRTZDXOATKBRCOA7I/action/citation_signature","submit_replication":"https://pith.science/pith/ZCSBDPAXZVRTZDXOATKBRCOA7I/action/replication_record"}},"created_at":"2026-05-18T00:13:26.709004+00:00","updated_at":"2026-05-18T00:13:26.709004+00:00"}