{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:Z6AYCV57FL4ZDRARD4NJRAAT3B","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":"370bfd442a530bed9c9f872968ca2ef9d351b6fa538048566a70f4e0f80c29aa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-11-21T05:51:32Z","title_canon_sha256":"5f83a8ecd811c2c67dc692431b344a01a389cf64c90fb416b0482261d51e40c0"},"schema_version":"1.0","source":{"id":"1411.5772","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.5772","created_at":"2026-05-18T01:25:47Z"},{"alias_kind":"arxiv_version","alias_value":"1411.5772v2","created_at":"2026-05-18T01:25:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.5772","created_at":"2026-05-18T01:25:47Z"},{"alias_kind":"pith_short_12","alias_value":"Z6AYCV57FL4Z","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"Z6AYCV57FL4ZDRAR","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"Z6AYCV57","created_at":"2026-05-18T12:28:59Z"}],"graph_snapshots":[{"event_id":"sha256:902a3e0888b5ee1a48478f2aaf7304eeda7d79881e2a505e273d40a2dba4b806","target":"graph","created_at":"2026-05-18T01:25:47Z","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":"Despite a plethora of materials suggested for spintronic applications, a new class of materials has emerged, namely spin gapless semiconductors (SGS), that offers potentially more advantageous properties than existing ones. These magnetic semiconductors exhibit a finite band gap for one spin channel and a closed gap for the other. Here, supported by the first-principles, electronic-structure calculations, we report the first experimental evidence of SGS behavior in equiatomic quaternary CoFeCrGa, having a cubic Heusler (L21) structure but exhibiting chemical disorder (DO3 structure). CoFeCrGa ","authors_text":"A. A. Coelho, Aftab Alam, A. I. Mallick, A. K. Nigam, D. D. Johnson, K. G. Suresh, Lakhan Bainsla, M. Manivel Raja","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-11-21T05:51:32Z","title":"A new spin gapless semiconductor: quaternary Heusler CoFeCrGa alloy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.5772","kind":"arxiv","version":2},"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":"sha256:688bfb2643277eef319cb4fa468c77901c4bddc83cd3d74593e5117b908ead81","target":"record","created_at":"2026-05-18T01:25:47Z","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":"370bfd442a530bed9c9f872968ca2ef9d351b6fa538048566a70f4e0f80c29aa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-11-21T05:51:32Z","title_canon_sha256":"5f83a8ecd811c2c67dc692431b344a01a389cf64c90fb416b0482261d51e40c0"},"schema_version":"1.0","source":{"id":"1411.5772","kind":"arxiv","version":2}},"canonical_sha256":"cf818157bf2af991c4111f1a988013d85a17d6e311dff25c3a765e8b6e33f4f0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cf818157bf2af991c4111f1a988013d85a17d6e311dff25c3a765e8b6e33f4f0","first_computed_at":"2026-05-18T01:25:47.427218Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:25:47.427218Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"amXotqC+q/+7jJ/jKABEASsnzq7MPzmpVyXGTJxQRb5CiwASFInKN+hWCkIfMw82zWsRcPbvAEQ8QaN94vlUBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:25:47.427981Z","signed_message":"canonical_sha256_bytes"},"source_id":"1411.5772","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:688bfb2643277eef319cb4fa468c77901c4bddc83cd3d74593e5117b908ead81","sha256:902a3e0888b5ee1a48478f2aaf7304eeda7d79881e2a505e273d40a2dba4b806"],"state_sha256":"8a3a9cf0c8d50ba1b31e2204e2287cba5b34450db4fe9cef7a7cab2753923d82"}