{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:TP6TPXYOZWEMB5XNCFE6O3H7SN","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":"c7c22981ea2a477e9f6581b930337fcffdf9bd056125bc6ca5b3ab4405a2c733","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-09-19T18:46:44Z","title_canon_sha256":"7946e84627b57d5f7ba192461a5fc417fa9551a2ebc1ba7e981f21a59642e0e6"},"schema_version":"1.0","source":{"id":"1609.05855","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.05855","created_at":"2026-05-18T01:00:25Z"},{"alias_kind":"arxiv_version","alias_value":"1609.05855v1","created_at":"2026-05-18T01:00:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.05855","created_at":"2026-05-18T01:00:25Z"},{"alias_kind":"pith_short_12","alias_value":"TP6TPXYOZWEM","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"TP6TPXYOZWEMB5XN","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"TP6TPXYO","created_at":"2026-05-18T12:30:46Z"}],"graph_snapshots":[{"event_id":"sha256:57e17a3ab02272b8a75964cdd59bc8a1a992b069bd469c01037fc7ee7b46cc3f","target":"graph","created_at":"2026-05-18T01:00:25Z","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":"Faster magnetic recording technology is indispensable to massive data storage and big data sciences. {All-optical spin switching offers a possible solution}, but at present it is limited to a handful of expensive and complex rare-earth ferrimagnets. The spin switching in more abundant ferromagnets may significantly expand the scope of all-optical spin switching. Here by studying 40,000 ferromagnetic spins, we show that it is the optical spin-orbit torque that determines the course of spin switching in both ferromagnets and ferrimagnets. Spin switching occurs only if the effective spin angular ","authors_text":"G. P. Zhang, T. F. George, Y. H. Bai","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-09-19T18:46:44Z","title":"Switching ferromagnetic spins by an ultrafast laser pulse: Emergence of giant optical spin-orbit torque"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.05855","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:a7c98495efcc1f5f0af50d71caf2b203c98dffee9cb11251106d7aa0fe600453","target":"record","created_at":"2026-05-18T01:00:25Z","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":"c7c22981ea2a477e9f6581b930337fcffdf9bd056125bc6ca5b3ab4405a2c733","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-09-19T18:46:44Z","title_canon_sha256":"7946e84627b57d5f7ba192461a5fc417fa9551a2ebc1ba7e981f21a59642e0e6"},"schema_version":"1.0","source":{"id":"1609.05855","kind":"arxiv","version":1}},"canonical_sha256":"9bfd37df0ecd88c0f6ed1149e76cff936e68e84516dd768eb9a9e12775460521","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9bfd37df0ecd88c0f6ed1149e76cff936e68e84516dd768eb9a9e12775460521","first_computed_at":"2026-05-18T01:00:25.162603Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:00:25.162603Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UhQ2B7GaTwPCm8v7lXHz8MyUxYD7Hqnb0QQkK9PZ1vw3LcJZ54zSTnU+pHV/LJcceH4068yJu1pwrxnXuG5xCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:00:25.163037Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.05855","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a7c98495efcc1f5f0af50d71caf2b203c98dffee9cb11251106d7aa0fe600453","sha256:57e17a3ab02272b8a75964cdd59bc8a1a992b069bd469c01037fc7ee7b46cc3f"],"state_sha256":"c24352050e91661c3f3eb0b2e0a379d8b23e76ab8826e23d349b420d76da63fc"}