{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:4SLIA6JPEILIDSCJUKQW6KK6KX","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":"237f78d52f75c93061fd529caffbf00c1830635464b40f89cf528ad4cfff05c5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-07-24T18:13:46Z","title_canon_sha256":"1713b5ac10f1e74d91364273649e37cbbc799e14c78c0293719058c999a6cd45"},"schema_version":"1.0","source":{"id":"1603.09576","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.09576","created_at":"2026-05-18T01:17:58Z"},{"alias_kind":"arxiv_version","alias_value":"1603.09576v1","created_at":"2026-05-18T01:17:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.09576","created_at":"2026-05-18T01:17:58Z"},{"alias_kind":"pith_short_12","alias_value":"4SLIA6JPEILI","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"4SLIA6JPEILIDSCJ","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"4SLIA6JP","created_at":"2026-05-18T12:29:05Z"}],"graph_snapshots":[{"event_id":"sha256:e375ba632b68277848a99776f81535e0ee792b2211e9b93b3353bb86cc460ee5","target":"graph","created_at":"2026-05-18T01:17:58Z","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"},"paper":{"abstract_excerpt":"Despite its great technological importance, the magnetoelectric (ME) couplings in \\BF are barely understood. By using a first-principles approach, we uncover the {\\it dynamic} ME couplings of the long-range spin-cycloid in BiFeO$_3$. Based on a microscopic Hamiltonian, our first-principles approach disentangles the hidden ME couplings due to spin-current and exchange-striction. Beyond the spin-current polarization governed by the inverse Dzyaloshinskii-Moriya interaction \\cite{iDM}, various spin-current polarizations derived from both ferroelectric and antiferrodistortive distortions cooperati","authors_text":"Istvan K\\'ezsm\\'aki, Jun Hee Lee, Randy S. Fishman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-07-24T18:13:46Z","title":"First-principles approach to the dynamic magnetoelectric couplings in BiFeO$_3$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.09576","kind":"arxiv","version":1},"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":"sha256:15463453018c40f6f6fe53893efd031a61b80a70f15852f67c034efb19db3df6","target":"record","created_at":"2026-05-18T01:17:58Z","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":"237f78d52f75c93061fd529caffbf00c1830635464b40f89cf528ad4cfff05c5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-07-24T18:13:46Z","title_canon_sha256":"1713b5ac10f1e74d91364273649e37cbbc799e14c78c0293719058c999a6cd45"},"schema_version":"1.0","source":{"id":"1603.09576","kind":"arxiv","version":1}},"canonical_sha256":"e49680792f221681c849a2a16f295e55e43ea1f51a530f684b5e2263007c8677","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e49680792f221681c849a2a16f295e55e43ea1f51a530f684b5e2263007c8677","first_computed_at":"2026-05-18T01:17:58.187626Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:17:58.187626Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EARF4KkJijndkdDRgqW41IB/NZnz8rUf/xk9wVf1E+n273JGt+BHqb2o7pvGQ92khLhgS6s2JwGxS2niPCINAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:17:58.188281Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.09576","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:15463453018c40f6f6fe53893efd031a61b80a70f15852f67c034efb19db3df6","sha256:e375ba632b68277848a99776f81535e0ee792b2211e9b93b3353bb86cc460ee5"],"state_sha256":"9fc48b8039792f5a8cf4de8888ab1fbee029c4aa4ccfd55d83a10e1c93a54030"}