{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:ZLCYDM77EEORSR6MRJNWFQGTJ7","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":"c6b24fa278dd9c34ab71e098bd8362553324eb4c36c9ac82cef364f61ac2f5f8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-08-23T11:00:17Z","title_canon_sha256":"4f34b6456b23c99bbd3ad4d477eda05bf2d265cf2deb855a55d5635de5bd045f"},"schema_version":"1.0","source":{"id":"1408.5489","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.5489","created_at":"2026-05-18T02:44:25Z"},{"alias_kind":"arxiv_version","alias_value":"1408.5489v1","created_at":"2026-05-18T02:44:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.5489","created_at":"2026-05-18T02:44:25Z"},{"alias_kind":"pith_short_12","alias_value":"ZLCYDM77EEOR","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZLCYDM77EEORSR6M","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZLCYDM77","created_at":"2026-05-18T12:28:59Z"}],"graph_snapshots":[{"event_id":"sha256:07d2164ab4173934ceeeb5a81965082d5450481127f90a7e746388001bce2e49","target":"graph","created_at":"2026-05-18T02:44:25Z","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":"First-principles based on density functional theory is used to study the phase stability, elastic, magnetic, and electronic properties of cubic (c)-Fe$_4$C. Our results show that c-Fe$_{4}$C has a ferromagnetic (FM) ground state structure compared with antiferromagnetic (AFM) and nonmagnetic (NM)states. To study the phase stability of c-Fe$_4$C, BCC Fe$_4$C, FCC Fe$_4$C, and BCC Fe$_{16}$C, where C is considered at tetrahedral and octahedral interstitial sites, are also considered. Although, the formation energy of c-Fe$_4$C is smaller than BCC Fe$_4$C, but the shear moduli of c-Fe$_4$C is neg","authors_text":"Gul Rahman, Haseen Ullah Jan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-08-23T11:00:17Z","title":"Elastic and magnetic properties of cubic Fe$_{4}$C from first-principles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.5489","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":"sha256:23720ee34d92cc72163487ec9369120d04102437d892d041ed56662c79d0445f","target":"record","created_at":"2026-05-18T02:44:25Z","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":"c6b24fa278dd9c34ab71e098bd8362553324eb4c36c9ac82cef364f61ac2f5f8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-08-23T11:00:17Z","title_canon_sha256":"4f34b6456b23c99bbd3ad4d477eda05bf2d265cf2deb855a55d5635de5bd045f"},"schema_version":"1.0","source":{"id":"1408.5489","kind":"arxiv","version":1}},"canonical_sha256":"cac581b3ff211d1947cc8a5b62c0d34ff1e641154f777ee7121a9b416e9f25f8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cac581b3ff211d1947cc8a5b62c0d34ff1e641154f777ee7121a9b416e9f25f8","first_computed_at":"2026-05-18T02:44:25.063129Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:44:25.063129Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yqZZKWrYKkm4p2PLITErIhrCG7lBAZtyyW1u8jDomWxj1CLWMMHdpxaaVh2D7Z1teKdNpong6tPSBT3kK3uGBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:44:25.063653Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.5489","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:23720ee34d92cc72163487ec9369120d04102437d892d041ed56662c79d0445f","sha256:07d2164ab4173934ceeeb5a81965082d5450481127f90a7e746388001bce2e49"],"state_sha256":"49fb988879680792a32a2bb39d06e35afeadfa958a65670d178f4c58cc9dff8b"}