{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:2YDUB7T2V7MRLE2BDPATDENYRC","short_pith_number":"pith:2YDUB7T2","canonical_record":{"source":{"id":"1312.0293","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-12-02T00:45:46Z","cross_cats_sorted":["physics.class-ph"],"title_canon_sha256":"e84f11a39932f5561509fade9b560dfaf2beb87bc03122b1b59378f90973e3ad","abstract_canon_sha256":"fa82ab101cfd654e2a9596774c4b8f9e638a2703fc8a7c19fae8a18018329619"},"schema_version":"1.0"},"canonical_sha256":"d60740fe7aafd91593411bc13191b888a4ed4fd6230be90fa9e1b33d7541b3be","source":{"kind":"arxiv","id":"1312.0293","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.0293","created_at":"2026-05-18T01:46:04Z"},{"alias_kind":"arxiv_version","alias_value":"1312.0293v1","created_at":"2026-05-18T01:46:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.0293","created_at":"2026-05-18T01:46:04Z"},{"alias_kind":"pith_short_12","alias_value":"2YDUB7T2V7MR","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"2YDUB7T2V7MRLE2B","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"2YDUB7T2","created_at":"2026-05-18T12:27:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:2YDUB7T2V7MRLE2BDPATDENYRC","target":"record","payload":{"canonical_record":{"source":{"id":"1312.0293","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-12-02T00:45:46Z","cross_cats_sorted":["physics.class-ph"],"title_canon_sha256":"e84f11a39932f5561509fade9b560dfaf2beb87bc03122b1b59378f90973e3ad","abstract_canon_sha256":"fa82ab101cfd654e2a9596774c4b8f9e638a2703fc8a7c19fae8a18018329619"},"schema_version":"1.0"},"canonical_sha256":"d60740fe7aafd91593411bc13191b888a4ed4fd6230be90fa9e1b33d7541b3be","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:46:04.459074Z","signature_b64":"Fq7qeatAZCd7UCnwhOiyF7TWBIzKNJ49uDNCWPPqDTdqfmOq/KsfPZ0gmfgSbXdC+jPDp8NGSmaO6M0IxwfyCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d60740fe7aafd91593411bc13191b888a4ed4fd6230be90fa9e1b33d7541b3be","last_reissued_at":"2026-05-18T01:46:04.458484Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:46:04.458484Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1312.0293","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:46:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HchsUafmaMqIyGDRg9+uqS7mV2qzPYsVXarnzDNo5b4gjbfRHnsQAyP0/xrtdUt5FKk95QQUoR0gZgtuYhLjAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T05:16:56.147862Z"},"content_sha256":"fd133301c530fb29440efedb93a009f4da774e2c9a0ede9d127e0b53de01e0c7","schema_version":"1.0","event_id":"sha256:fd133301c530fb29440efedb93a009f4da774e2c9a0ede9d127e0b53de01e0c7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:2YDUB7T2V7MRLE2BDPATDENYRC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thermodynamic properties of LiCu$_{2}$O$_{2}$ multiferroic compound","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.class-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"An Du, Yan Qi","submitted_at":"2013-12-02T00:45:46Z","abstract_excerpt":"A spin model of quasi-one dimensional LiCu$_{2}$O$_{2}$ compound with ground state of ellipsoidal helical structure in which the helical axis is along the diagonal of CuO$_{4}$ squares has been adopted. By taking into account the interchain coupling and exchange anisotropy, the exotic magnetic properties and ferroelectricity induced by spiral spin order have been studied by performing Monte Carlo simulation. The simulation results qualitatively reproduce the main characters of ferroelectric and magnetic behaviors of LiCu$_{2}$O$_{2}$ compound and confirm the low-temperature incollinear spiral "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.0293","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:46:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z1yRGxKuXjT8rZ4kX/3IHNjpjKSJkEX9k/OSngg5s3+XVLJk6IvHhojlO/PIv01wOaje2atDlUBict7yD+5MBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T05:16:56.148201Z"},"content_sha256":"29343172aa0e15eaafd6d0d2f16adcbb9faf87c056f7161ab1d69dc85b945198","schema_version":"1.0","event_id":"sha256:29343172aa0e15eaafd6d0d2f16adcbb9faf87c056f7161ab1d69dc85b945198"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2YDUB7T2V7MRLE2BDPATDENYRC/bundle.json","state_url":"https://pith.science/pith/2YDUB7T2V7MRLE2BDPATDENYRC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2YDUB7T2V7MRLE2BDPATDENYRC/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-27T05:16:56Z","links":{"resolver":"https://pith.science/pith/2YDUB7T2V7MRLE2BDPATDENYRC","bundle":"https://pith.science/pith/2YDUB7T2V7MRLE2BDPATDENYRC/bundle.json","state":"https://pith.science/pith/2YDUB7T2V7MRLE2BDPATDENYRC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2YDUB7T2V7MRLE2BDPATDENYRC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:2YDUB7T2V7MRLE2BDPATDENYRC","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":"fa82ab101cfd654e2a9596774c4b8f9e638a2703fc8a7c19fae8a18018329619","cross_cats_sorted":["physics.class-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-12-02T00:45:46Z","title_canon_sha256":"e84f11a39932f5561509fade9b560dfaf2beb87bc03122b1b59378f90973e3ad"},"schema_version":"1.0","source":{"id":"1312.0293","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.0293","created_at":"2026-05-18T01:46:04Z"},{"alias_kind":"arxiv_version","alias_value":"1312.0293v1","created_at":"2026-05-18T01:46:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.0293","created_at":"2026-05-18T01:46:04Z"},{"alias_kind":"pith_short_12","alias_value":"2YDUB7T2V7MR","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"2YDUB7T2V7MRLE2B","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"2YDUB7T2","created_at":"2026-05-18T12:27:32Z"}],"graph_snapshots":[{"event_id":"sha256:29343172aa0e15eaafd6d0d2f16adcbb9faf87c056f7161ab1d69dc85b945198","target":"graph","created_at":"2026-05-18T01:46:04Z","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":"A spin model of quasi-one dimensional LiCu$_{2}$O$_{2}$ compound with ground state of ellipsoidal helical structure in which the helical axis is along the diagonal of CuO$_{4}$ squares has been adopted. By taking into account the interchain coupling and exchange anisotropy, the exotic magnetic properties and ferroelectricity induced by spiral spin order have been studied by performing Monte Carlo simulation. The simulation results qualitatively reproduce the main characters of ferroelectric and magnetic behaviors of LiCu$_{2}$O$_{2}$ compound and confirm the low-temperature incollinear spiral ","authors_text":"An Du, Yan Qi","cross_cats":["physics.class-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-12-02T00:45:46Z","title":"Thermodynamic properties of LiCu$_{2}$O$_{2}$ multiferroic compound"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.0293","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:fd133301c530fb29440efedb93a009f4da774e2c9a0ede9d127e0b53de01e0c7","target":"record","created_at":"2026-05-18T01:46:04Z","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":"fa82ab101cfd654e2a9596774c4b8f9e638a2703fc8a7c19fae8a18018329619","cross_cats_sorted":["physics.class-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-12-02T00:45:46Z","title_canon_sha256":"e84f11a39932f5561509fade9b560dfaf2beb87bc03122b1b59378f90973e3ad"},"schema_version":"1.0","source":{"id":"1312.0293","kind":"arxiv","version":1}},"canonical_sha256":"d60740fe7aafd91593411bc13191b888a4ed4fd6230be90fa9e1b33d7541b3be","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d60740fe7aafd91593411bc13191b888a4ed4fd6230be90fa9e1b33d7541b3be","first_computed_at":"2026-05-18T01:46:04.458484Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:46:04.458484Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Fq7qeatAZCd7UCnwhOiyF7TWBIzKNJ49uDNCWPPqDTdqfmOq/KsfPZ0gmfgSbXdC+jPDp8NGSmaO6M0IxwfyCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:46:04.459074Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.0293","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fd133301c530fb29440efedb93a009f4da774e2c9a0ede9d127e0b53de01e0c7","sha256:29343172aa0e15eaafd6d0d2f16adcbb9faf87c056f7161ab1d69dc85b945198"],"state_sha256":"ade4b5ce76abb894cda86059ed6dbed89d416228dd16fc2a1848edca33c46d47"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wnymKnRrhUUO5Z2y4NDZJbXw9YYi9p8BiGdMY7BVzmVCF39N6TIz4YWWfypgkPdTWz3blmebX/SaIt62It8ZDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T05:16:56.150108Z","bundle_sha256":"22e2c7cf8318bd8bacadb184222080f744c6d4111b21ac4a5532e2b233f9bb6e"}}