{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:JMPXLS6TPXJ2N37TTU5RX4WKYK","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":"550519282cb70a7af67585c8c53ce8226149ff34a56e04aec224c7e4a6da1fad","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-06-03T14:48:36Z","title_canon_sha256":"19015f8cb63695d8382539c82be268b12ddfc2e6bc1110835c4446cf94da73f2"},"schema_version":"1.0","source":{"id":"1106.0662","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.0662","created_at":"2026-05-18T02:01:43Z"},{"alias_kind":"arxiv_version","alias_value":"1106.0662v1","created_at":"2026-05-18T02:01:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.0662","created_at":"2026-05-18T02:01:43Z"},{"alias_kind":"pith_short_12","alias_value":"JMPXLS6TPXJ2","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"JMPXLS6TPXJ2N37T","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"JMPXLS6T","created_at":"2026-05-18T12:26:32Z"}],"graph_snapshots":[{"event_id":"sha256:5730bc0d37af1088a5ff436a23ad37b2a50001cae0abae60952ac417be998505","target":"graph","created_at":"2026-05-18T02:01:43Z","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":"The bulk magnetic properties of the new quasi-one-dimensional Heisenberg antiferromagnet, CuCrO$_4$, were characterized by magnetic susceptibility, heat capacity, optical spectroscopy, EPR and dielectric capacitance measurements and density functional evaluations of the intra- and interchain spin exchange interactions. We found type-II multiferroicity below the N\\'{e}el temperature of 8.2(5) K, arising from competing antiferromagnetic nearest-neighbor ($J_{\\rm nn}$) and next-nearest-neighbor ($J_{\\rm nnn}$) intra-chain spin exchange interactions. Experimental and theoretical results indicate t","authors_text":"C. Lee, J. Kang, J. M. Law, M.-H. Whangbo, P. Reuvekamp, R. Glaum, R. K. Kremer","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-06-03T14:48:36Z","title":"Quasi-one-dimensional antiferromagnetism and multiferroicity in CuCrO$_4$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.0662","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":"sha256:899124b41e7e2b2f6abfcf65cdd819c037e11d9d0ebdc3accf62203ad5bc423a","target":"record","created_at":"2026-05-18T02:01:43Z","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":"550519282cb70a7af67585c8c53ce8226149ff34a56e04aec224c7e4a6da1fad","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-06-03T14:48:36Z","title_canon_sha256":"19015f8cb63695d8382539c82be268b12ddfc2e6bc1110835c4446cf94da73f2"},"schema_version":"1.0","source":{"id":"1106.0662","kind":"arxiv","version":1}},"canonical_sha256":"4b1f75cbd37dd3a6eff39d3b1bf2cac299aa87561c6d0241952c5b28af9510d5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4b1f75cbd37dd3a6eff39d3b1bf2cac299aa87561c6d0241952c5b28af9510d5","first_computed_at":"2026-05-18T02:01:43.871989Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:43.871989Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wUnql0Fs0dvie0E8BoCYV6lVZf6Ls2mLpXsH4YGqCkkacsynMeUZTB9fC6MyMrgYXoiULMgPOkTnvQm5wj6aBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:43.872384Z","signed_message":"canonical_sha256_bytes"},"source_id":"1106.0662","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:899124b41e7e2b2f6abfcf65cdd819c037e11d9d0ebdc3accf62203ad5bc423a","sha256:5730bc0d37af1088a5ff436a23ad37b2a50001cae0abae60952ac417be998505"],"state_sha256":"c11ab76b31d4d2da6826527a9a0aa65e47b64ead557b9331020b3e4a32475562"}