{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:E63MY3OQCC6BIMVPSY7M3BLLPL","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":"c18a55df44456ab01fb668467614b7a2a61e909ec89e4d21496c1d5907f9d1d0","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-11-19T10:47:19Z","title_canon_sha256":"6cfe05a6177283c07487c40fe3d3e43af3c8b8bf56c6ab26577eb6c01222a348"},"schema_version":"1.0","source":{"id":"1011.4390","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.4390","created_at":"2026-05-18T02:04:43Z"},{"alias_kind":"arxiv_version","alias_value":"1011.4390v1","created_at":"2026-05-18T02:04:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.4390","created_at":"2026-05-18T02:04:43Z"},{"alias_kind":"pith_short_12","alias_value":"E63MY3OQCC6B","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"E63MY3OQCC6BIMVP","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"E63MY3OQ","created_at":"2026-05-18T12:26:06Z"}],"graph_snapshots":[{"event_id":"sha256:ba38924be75a6f2543cc690a142e7316eefa622f5c356e2674c1227648607b3b","target":"graph","created_at":"2026-05-18T02:04:43Z","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 investigate half-metallicity in [001] stacked (CrAs)$_n$/(GaAs)$_n$ heterostructures with $n \\leq 3$ by means of a combined many-body and electronic structure calculation. Interface states in the presence of strong electronic correlations are discussed for the case $n=1$. For $n=2,3$ our results indicate that the minority spin half-metallic gap is suppressed by local correlations at finite temperatures, and continuously shrinks upon increasing the heterostructure period. Although around room temperature the magnetization of the heterostructure deviates by only $2%$ from the ideal integer va","authors_text":"E. Arrigoni, F. Beiuseanu, H. Allmaier, I. Leonov, L. Chioncel, T. Jurcut, W. P\\\"otz","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-11-19T10:47:19Z","title":"Electronic correlations in short period (CrAs)$_n$/(GaAs)$_n$ ferromagnetic heterostructures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.4390","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:ae5f67d857f728e8081d323ce663b50aac17fca186f0c17c2cfe42b9646e14b5","target":"record","created_at":"2026-05-18T02:04:43Z","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":"c18a55df44456ab01fb668467614b7a2a61e909ec89e4d21496c1d5907f9d1d0","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-11-19T10:47:19Z","title_canon_sha256":"6cfe05a6177283c07487c40fe3d3e43af3c8b8bf56c6ab26577eb6c01222a348"},"schema_version":"1.0","source":{"id":"1011.4390","kind":"arxiv","version":1}},"canonical_sha256":"27b6cc6dd010bc1432af963ecd856b7af797f99a2ae0705b6620471dc9214775","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"27b6cc6dd010bc1432af963ecd856b7af797f99a2ae0705b6620471dc9214775","first_computed_at":"2026-05-18T02:04:43.545795Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:04:43.545795Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zjZk8i8hAT/zurYTf+JayYtSXe4VYm6+BhL+HM7KIr/j6eApNG+ejE0cZ41QiyZdLDmphBzZ0OHBFkR7C6gFAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:04:43.546602Z","signed_message":"canonical_sha256_bytes"},"source_id":"1011.4390","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ae5f67d857f728e8081d323ce663b50aac17fca186f0c17c2cfe42b9646e14b5","sha256:ba38924be75a6f2543cc690a142e7316eefa622f5c356e2674c1227648607b3b"],"state_sha256":"fae4dfcb1aa14f47bb146ef6ef314de33fa1b10cd263dcff8411ae52d0b55dcd"}