{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:4U5D3K4VSXS7BIPRQVIEN3TDSM","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":"73132b31b505aecfaa3620ce8dbbb0cfbfd0119a960033d6b1706706d446719f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-07-31T08:09:53Z","title_canon_sha256":"e268cab272d1caabafc0097bd1030c465bd1f65611cc6736428467c8f63ca463"},"schema_version":"1.0","source":{"id":"1108.0156","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.0156","created_at":"2026-05-18T04:15:35Z"},{"alias_kind":"arxiv_version","alias_value":"1108.0156v2","created_at":"2026-05-18T04:15:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.0156","created_at":"2026-05-18T04:15:35Z"},{"alias_kind":"pith_short_12","alias_value":"4U5D3K4VSXS7","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"4U5D3K4VSXS7BIPR","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"4U5D3K4V","created_at":"2026-05-18T12:26:20Z"}],"graph_snapshots":[{"event_id":"sha256:413b08791290a5638acc520338593ea5a5ee8b878986f20459f81f9aa7e7d809","target":"graph","created_at":"2026-05-18T04:15:35Z","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":"Generation, manipulation, and detection of a pure spin current, i.e., the flow of spin angular momentum without a charge current, are prospective approaches for realizing next-generation spintronic devices with ultra low electric power consumptions. Conventional ferromagnetic electrodes such as Co and NiFe have so far been utilized as a spin injector for generating the pure spin currents in nonmagnetic channels. However, the generation efficiency of the pure spin currents is extremely low at room temperature, giving rise to a serious obstacle for device applications. Here, we demonstrate the g","authors_text":"K. Hamaya, M. Miyao, N. Hashimoto, S. Yamada, T. Kimura","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-07-31T08:09:53Z","title":"Room-temperature generation of giant pure spin currents using Co$_2$FeSi spin injectors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.0156","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":"sha256:9293aeb89929fa71fee304554cb68cb991cf47cb4e3a149e957d510b9c59879c","target":"record","created_at":"2026-05-18T04:15:35Z","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":"73132b31b505aecfaa3620ce8dbbb0cfbfd0119a960033d6b1706706d446719f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-07-31T08:09:53Z","title_canon_sha256":"e268cab272d1caabafc0097bd1030c465bd1f65611cc6736428467c8f63ca463"},"schema_version":"1.0","source":{"id":"1108.0156","kind":"arxiv","version":2}},"canonical_sha256":"e53a3dab9595e5f0a1f1855046ee6393378f981a48064502e6c2e44a071f3916","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e53a3dab9595e5f0a1f1855046ee6393378f981a48064502e6c2e44a071f3916","first_computed_at":"2026-05-18T04:15:35.812740Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:15:35.812740Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3LqLC1D1rw+xsfmG0nMOstmrLZvFMAym4ems0LL0hAaDr+vrnxyb8ZlB/bA4V/WNjR7As/hL5kUl7/dumoY6AA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:15:35.813145Z","signed_message":"canonical_sha256_bytes"},"source_id":"1108.0156","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9293aeb89929fa71fee304554cb68cb991cf47cb4e3a149e957d510b9c59879c","sha256:413b08791290a5638acc520338593ea5a5ee8b878986f20459f81f9aa7e7d809"],"state_sha256":"74ebf39b59e1ad6054e2b3f277b23314918e0c8bba3faa3e1706838b8c39e799"}