{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:FV34KE2GQPN6TNO2QT4IPYL2M6","short_pith_number":"pith:FV34KE2G","schema_version":"1.0","canonical_sha256":"2d77c5134683dbe9b5da84f887e17a6793be17af9968dbb618085a82d3ad9508","source":{"kind":"arxiv","id":"1211.0923","version":1},"attestation_state":"computed","paper":{"title":"Theoretical investigation into the possibility of very large moments in Fe16N2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"C. Friedrich, E. Sasioglu, H. Sims, K. Koepernik, M. Richter, S. Bl\\\"ugel, W. H. Butler","submitted_at":"2012-11-05T16:58:51Z","abstract_excerpt":"We examine the mystery of the disputed high-magnetization \\alpha\"-Fe16N2 phase, employing the Heyd-Scuseria-Ernzerhof screened hybrid functional method, perturbative many-body corrections through the GW approximation, and onsite Coulomb correlations through the GGA+U method. We present a first-principles computation of the effective on-site Coulomb interaction (Hubbard U) between localized 3d electrons employing the constrained random-phase approximation (cRPA), finding only somewhat stronger on-site correlations than in bcc Fe. We find that the hybrid functional method, the GW approximation, "},"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":"1211.0923","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-11-05T16:58:51Z","cross_cats_sorted":[],"title_canon_sha256":"f967966c2855a7b78240ca45fc77556a7cabb272719389dd2b5d4c72280e9fe3","abstract_canon_sha256":"140c94319730ec9dad96c1388ef81781293c0464bad0b8ebfb9af8f447ca7bf3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:36:06.199179Z","signature_b64":"bmvz6W9e474tvb+r84WqlUh/Cq3Q8ZEfCcIzuwm/sZezy9CH9fEbCgyO6hU3tKMpuQD2HewWSqPOIPiVyA1wCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2d77c5134683dbe9b5da84f887e17a6793be17af9968dbb618085a82d3ad9508","last_reissued_at":"2026-05-18T03:36:06.198644Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:36:06.198644Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Theoretical investigation into the possibility of very large moments in Fe16N2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"C. Friedrich, E. Sasioglu, H. Sims, K. Koepernik, M. Richter, S. Bl\\\"ugel, W. H. Butler","submitted_at":"2012-11-05T16:58:51Z","abstract_excerpt":"We examine the mystery of the disputed high-magnetization \\alpha\"-Fe16N2 phase, employing the Heyd-Scuseria-Ernzerhof screened hybrid functional method, perturbative many-body corrections through the GW approximation, and onsite Coulomb correlations through the GGA+U method. We present a first-principles computation of the effective on-site Coulomb interaction (Hubbard U) between localized 3d electrons employing the constrained random-phase approximation (cRPA), finding only somewhat stronger on-site correlations than in bcc Fe. We find that the hybrid functional method, the GW approximation, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.0923","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1211.0923","created_at":"2026-05-18T03:36:06.198714+00:00"},{"alias_kind":"arxiv_version","alias_value":"1211.0923v1","created_at":"2026-05-18T03:36:06.198714+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.0923","created_at":"2026-05-18T03:36:06.198714+00:00"},{"alias_kind":"pith_short_12","alias_value":"FV34KE2GQPN6","created_at":"2026-05-18T12:27:06.952714+00:00"},{"alias_kind":"pith_short_16","alias_value":"FV34KE2GQPN6TNO2","created_at":"2026-05-18T12:27:06.952714+00:00"},{"alias_kind":"pith_short_8","alias_value":"FV34KE2G","created_at":"2026-05-18T12:27:06.952714+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/FV34KE2GQPN6TNO2QT4IPYL2M6","json":"https://pith.science/pith/FV34KE2GQPN6TNO2QT4IPYL2M6.json","graph_json":"https://pith.science/api/pith-number/FV34KE2GQPN6TNO2QT4IPYL2M6/graph.json","events_json":"https://pith.science/api/pith-number/FV34KE2GQPN6TNO2QT4IPYL2M6/events.json","paper":"https://pith.science/paper/FV34KE2G"},"agent_actions":{"view_html":"https://pith.science/pith/FV34KE2GQPN6TNO2QT4IPYL2M6","download_json":"https://pith.science/pith/FV34KE2GQPN6TNO2QT4IPYL2M6.json","view_paper":"https://pith.science/paper/FV34KE2G","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1211.0923&json=true","fetch_graph":"https://pith.science/api/pith-number/FV34KE2GQPN6TNO2QT4IPYL2M6/graph.json","fetch_events":"https://pith.science/api/pith-number/FV34KE2GQPN6TNO2QT4IPYL2M6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FV34KE2GQPN6TNO2QT4IPYL2M6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FV34KE2GQPN6TNO2QT4IPYL2M6/action/storage_attestation","attest_author":"https://pith.science/pith/FV34KE2GQPN6TNO2QT4IPYL2M6/action/author_attestation","sign_citation":"https://pith.science/pith/FV34KE2GQPN6TNO2QT4IPYL2M6/action/citation_signature","submit_replication":"https://pith.science/pith/FV34KE2GQPN6TNO2QT4IPYL2M6/action/replication_record"}},"created_at":"2026-05-18T03:36:06.198714+00:00","updated_at":"2026-05-18T03:36:06.198714+00:00"}