{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:FBDS5EHGQR7LZOTCABT4HPOFC6","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":"cbc0de854007fe44e57d8ddb1a68069ce9c87c29ef93fd69d26664dd4966f2d9","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-06-05T15:33:27Z","title_canon_sha256":"c73ca371cc0f51ec3670d9319feade50833d6fe8f45b25cb0d5232d7837a9244"},"schema_version":"1.0","source":{"id":"2606.07395","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.07395","created_at":"2026-06-08T01:05:24Z"},{"alias_kind":"arxiv_version","alias_value":"2606.07395v1","created_at":"2026-06-08T01:05:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.07395","created_at":"2026-06-08T01:05:24Z"},{"alias_kind":"pith_short_12","alias_value":"FBDS5EHGQR7L","created_at":"2026-06-08T01:05:24Z"},{"alias_kind":"pith_short_16","alias_value":"FBDS5EHGQR7LZOTC","created_at":"2026-06-08T01:05:24Z"},{"alias_kind":"pith_short_8","alias_value":"FBDS5EHG","created_at":"2026-06-08T01:05:24Z"}],"graph_snapshots":[{"event_id":"sha256:7ea1e50e79b88b66cd402fccefe55507d511befec47aa6912d2fd4ed1d973d2e","target":"graph","created_at":"2026-06-08T01:05:24Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2606.07395/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent studies have revealed that spin Hall magnetoresistance (SMR) contributes to both the anomalous and planar Hall resistances in nonmagnetic metal (NM)/ferromagnetic metal (FM) bilayers. This effect becomes pronounced when the NM layer exhibits a large spin Hall angle, as in W/CoFeB bilayers. In such systems, the ratio of planar to anomalous Hall resistances, normally small in single CoFeB layers, can approach unity. This unusually large ratio complicates the determination of spin-torque efficiency using harmonic Hall voltage measurements. To overcome this limitation, magneto-optical Kerr ","authors_text":"Kohji Nakamura, Masamitsu Hayashi, Masashi Kawaguchi, Yukihiro Marui","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-06-05T15:33:27Z","title":"Polar and quadratic magneto-optical Kerr effects in nonmagnetic/ferromagnet bilayers for spin-orbit torque measurements"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.07395","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:b91beb09911af71f5e6ca80f07fede629f87b55d3dec1ba1667713689139b8be","target":"record","created_at":"2026-06-08T01:05:24Z","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":"cbc0de854007fe44e57d8ddb1a68069ce9c87c29ef93fd69d26664dd4966f2d9","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-06-05T15:33:27Z","title_canon_sha256":"c73ca371cc0f51ec3670d9319feade50833d6fe8f45b25cb0d5232d7837a9244"},"schema_version":"1.0","source":{"id":"2606.07395","kind":"arxiv","version":1}},"canonical_sha256":"28472e90e6847ebcba620067c3bdc5178cf04f5b1721e7e69b6716fad9eadb33","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"28472e90e6847ebcba620067c3bdc5178cf04f5b1721e7e69b6716fad9eadb33","first_computed_at":"2026-06-08T01:05:24.604776Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-08T01:05:24.604776Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"k4skAXqvIP3fcGyOzPOufLS2bK6f2lJvozPoYqPHzsWvjAe0DRhWf09EpwrSh60N7dED2OEteEiWNcC1hGI+AQ==","signature_status":"signed_v1","signed_at":"2026-06-08T01:05:24.605465Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.07395","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b91beb09911af71f5e6ca80f07fede629f87b55d3dec1ba1667713689139b8be","sha256:7ea1e50e79b88b66cd402fccefe55507d511befec47aa6912d2fd4ed1d973d2e"],"state_sha256":"3f8a3ae9d98dea048a8de047be678530fbe5f60b3bcea4ac126cd28e7ac71d31"}