{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:ANWS3X6O6KA7K4Q5GP6OULWWFL","short_pith_number":"pith:ANWS3X6O","schema_version":"1.0","canonical_sha256":"036d2ddfcef281f5721d33fcea2ed62ad957661695aed09b57a099edc1c35efa","source":{"kind":"arxiv","id":"2212.12065","version":1},"attestation_state":"computed","paper":{"title":"Lattice constants and magnetism of L10-ordered FePt under high pressure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"H. Fukui, H. Maruyama, H. Wadati, K. Okai, K. Takanashi, N. Hirao, N. Ishimatsu, N. Kawamura, R. Takahashi, S. Kawaguchi, S. Ohmura, S. Sawada, T. Seki","submitted_at":"2022-12-22T22:40:48Z","abstract_excerpt":"We studied the relationship between the lattice constant and magnetism of L10-ordered FePt under high pressure by means of first-principles calculations and synchrotron x-ray measurements. Based on our calculations, we found that the c/a ratio shows an anomaly at ~ 20 GPa and that the Pt magnetic moment is sharply suppressed at ~ 60 GPa. As for the c/a, we experimentally verified the anomaly at ~ 20 GPa by powder x-ray diffraction. We also measured the x-ray magnetic circular dichroism at the Pt L edge up to ~ 20 GPa. Any significant change of the Pt magnetic moment was not observed, in agreem"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2212.12065","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-12-22T22:40:48Z","cross_cats_sorted":[],"title_canon_sha256":"12cecfa1fa7d01450d078800dd442c491c4420dff7fc29eaff30f61deed9d46c","abstract_canon_sha256":"e84fb054947d0d30ee15fddae61362428d636ffbfae6175e461bc04bb3999ad3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:00:15.547531Z","signature_b64":"T3zRFcVFh229049YYAB85A3ko1eApQaA5isNIKd4QqXwMGzyRu1zVEd1uDImFbc0wXHmoF9PK4RtFHYZU801Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"036d2ddfcef281f5721d33fcea2ed62ad957661695aed09b57a099edc1c35efa","last_reissued_at":"2026-07-05T06:00:15.547000Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:00:15.547000Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Lattice constants and magnetism of L10-ordered FePt under high pressure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"H. Fukui, H. Maruyama, H. Wadati, K. Okai, K. Takanashi, N. Hirao, N. Ishimatsu, N. Kawamura, R. Takahashi, S. Kawaguchi, S. Ohmura, S. Sawada, T. Seki","submitted_at":"2022-12-22T22:40:48Z","abstract_excerpt":"We studied the relationship between the lattice constant and magnetism of L10-ordered FePt under high pressure by means of first-principles calculations and synchrotron x-ray measurements. Based on our calculations, we found that the c/a ratio shows an anomaly at ~ 20 GPa and that the Pt magnetic moment is sharply suppressed at ~ 60 GPa. As for the c/a, we experimentally verified the anomaly at ~ 20 GPa by powder x-ray diffraction. We also measured the x-ray magnetic circular dichroism at the Pt L edge up to ~ 20 GPa. Any significant change of the Pt magnetic moment was not observed, in agreem"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.12065","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2212.12065/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2212.12065","created_at":"2026-07-05T06:00:15.547069+00:00"},{"alias_kind":"arxiv_version","alias_value":"2212.12065v1","created_at":"2026-07-05T06:00:15.547069+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.12065","created_at":"2026-07-05T06:00:15.547069+00:00"},{"alias_kind":"pith_short_12","alias_value":"ANWS3X6O6KA7","created_at":"2026-07-05T06:00:15.547069+00:00"},{"alias_kind":"pith_short_16","alias_value":"ANWS3X6O6KA7K4Q5","created_at":"2026-07-05T06:00:15.547069+00:00"},{"alias_kind":"pith_short_8","alias_value":"ANWS3X6O","created_at":"2026-07-05T06:00:15.547069+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ANWS3X6O6KA7K4Q5GP6OULWWFL","json":"https://pith.science/pith/ANWS3X6O6KA7K4Q5GP6OULWWFL.json","graph_json":"https://pith.science/api/pith-number/ANWS3X6O6KA7K4Q5GP6OULWWFL/graph.json","events_json":"https://pith.science/api/pith-number/ANWS3X6O6KA7K4Q5GP6OULWWFL/events.json","paper":"https://pith.science/paper/ANWS3X6O"},"agent_actions":{"view_html":"https://pith.science/pith/ANWS3X6O6KA7K4Q5GP6OULWWFL","download_json":"https://pith.science/pith/ANWS3X6O6KA7K4Q5GP6OULWWFL.json","view_paper":"https://pith.science/paper/ANWS3X6O","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2212.12065&json=true","fetch_graph":"https://pith.science/api/pith-number/ANWS3X6O6KA7K4Q5GP6OULWWFL/graph.json","fetch_events":"https://pith.science/api/pith-number/ANWS3X6O6KA7K4Q5GP6OULWWFL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ANWS3X6O6KA7K4Q5GP6OULWWFL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ANWS3X6O6KA7K4Q5GP6OULWWFL/action/storage_attestation","attest_author":"https://pith.science/pith/ANWS3X6O6KA7K4Q5GP6OULWWFL/action/author_attestation","sign_citation":"https://pith.science/pith/ANWS3X6O6KA7K4Q5GP6OULWWFL/action/citation_signature","submit_replication":"https://pith.science/pith/ANWS3X6O6KA7K4Q5GP6OULWWFL/action/replication_record"}},"created_at":"2026-07-05T06:00:15.547069+00:00","updated_at":"2026-07-05T06:00:15.547069+00:00"}