{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:3MGXEXRXPMOJCVL3SHKJ5D5NET","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":"d9d16284c44d463b02e1c2d4aaa7ac6749aa32e914445d7831dbf41a6e7c45da","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-08-04T17:06:50Z","title_canon_sha256":"f875023c19cd34df35543b62700ce722bdd5e943e062deea5f6cbe5953df3ca2"},"schema_version":"1.0","source":{"id":"1508.00834","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.00834","created_at":"2026-05-18T01:15:44Z"},{"alias_kind":"arxiv_version","alias_value":"1508.00834v1","created_at":"2026-05-18T01:15:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.00834","created_at":"2026-05-18T01:15:44Z"},{"alias_kind":"pith_short_12","alias_value":"3MGXEXRXPMOJ","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_16","alias_value":"3MGXEXRXPMOJCVL3","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_8","alias_value":"3MGXEXRX","created_at":"2026-05-18T12:29:02Z"}],"graph_snapshots":[{"event_id":"sha256:a8d657aa010d7162b03516f00fdc2c3f3600c658a59c1af9d645ec43c13aa4d3","target":"graph","created_at":"2026-05-18T01:15:44Z","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":"We study the magnetically-induced phonon splitting in cubic ACr$_2$O$_4$ (A=Mg, Zn, Cd, Hg) spinels from first principles, and demonstrate that the sign of the splitting, which is experimentally observed to be opposite in CdCr$_2$O$_4$ compared to ZnCr$_2$O$_4$ and MgCr$_2$O$_4$, is determined solely by the particular magnetic ordering pattern observed in these compounds. We further show that this interaction between magnetism and phonon frequencies can be fully described by the previously proposed spin-phonon coupling model that includes only the nearest neighbor exchange. Finally, using this","authors_text":"Aleksander L. Wysocki, Turan Birol","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-08-04T17:06:50Z","title":"Magnetically induced phonon splitting in ACr$_2$O$_4$ spinels from first principles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.00834","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":"sha256:609d617525ea6746f7b0a62862451e8586d8bb59688680abb95e187ffc38c0b7","target":"record","created_at":"2026-05-18T01:15:44Z","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":"d9d16284c44d463b02e1c2d4aaa7ac6749aa32e914445d7831dbf41a6e7c45da","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-08-04T17:06:50Z","title_canon_sha256":"f875023c19cd34df35543b62700ce722bdd5e943e062deea5f6cbe5953df3ca2"},"schema_version":"1.0","source":{"id":"1508.00834","kind":"arxiv","version":1}},"canonical_sha256":"db0d725e377b1c91557b91d49e8fad24d275f57c6f0e7d23411581839120aff0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"db0d725e377b1c91557b91d49e8fad24d275f57c6f0e7d23411581839120aff0","first_computed_at":"2026-05-18T01:15:44.960827Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:15:44.960827Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4CgamQ+mRNRkC2zBsLjCUVUsS2iQGqpIJ/hzw/SRRD4eBvc4fd25v5NDuGW8+YiQbCSvv16/bhmdVTELlOb1DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:15:44.961236Z","signed_message":"canonical_sha256_bytes"},"source_id":"1508.00834","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:609d617525ea6746f7b0a62862451e8586d8bb59688680abb95e187ffc38c0b7","sha256:a8d657aa010d7162b03516f00fdc2c3f3600c658a59c1af9d645ec43c13aa4d3"],"state_sha256":"4b9d447c84592ee88d4e06a1405b54be431529815380668aaf1d5c3c147b0b2e"}