{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:RD724UWDJUCIWXQ4P6NJNOZ3WQ","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":"f0d7958ff27182db706291a6221b17f21062b47272614a4f39e584f24e0b33ef","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-10-30T15:12:33Z","title_canon_sha256":"b070358c5715f14234aaa3b17276605c0219f3ce4552139b0881823b71fe0e5e"},"schema_version":"1.0","source":{"id":"1810.12799","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.12799","created_at":"2026-05-18T00:01:54Z"},{"alias_kind":"arxiv_version","alias_value":"1810.12799v1","created_at":"2026-05-18T00:01:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.12799","created_at":"2026-05-18T00:01:54Z"},{"alias_kind":"pith_short_12","alias_value":"RD724UWDJUCI","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"RD724UWDJUCIWXQ4","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"RD724UWD","created_at":"2026-05-18T12:32:50Z"}],"graph_snapshots":[{"event_id":"sha256:9b22fbe8ff4719202c902e39846222319787c7b772a6b2c0c69cc99726922a04","target":"graph","created_at":"2026-05-18T00:01:54Z","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":"The theoretical prediction of topological insulators in 2007 triggered tremendous interest. They are of fundamental interest because of their topological twist in k-space, which comes along with unidirectional, spin-polarized surface-state currents, required for spin-optoelectronics. This property makes topological insulators on one hand perfect materials for optically generated, ultrafast spin-bunches spin-current sources for the generation of THz radiation. On the other hand, those spin-polarized surface-state currents when generated by a voltage lead to large spin Hall effects, or when gene","authors_text":"D. Gr\\\"utzmacher, E. Schmoranzerova, G. Mussler, J. Kampmeier, J. Walowski, L. Braun, M. M\\\"unzenberg, N. Meyer, T. Kampfrath, T. Schumann","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-10-30T15:12:33Z","title":"Observation of spin Nernst photocurrents in topological insulators"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.12799","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:baa85651ea4ec299537c1ea4d9716e33b77703165fe697eea0e1510d5a9cdfdd","target":"record","created_at":"2026-05-18T00:01:54Z","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":"f0d7958ff27182db706291a6221b17f21062b47272614a4f39e584f24e0b33ef","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-10-30T15:12:33Z","title_canon_sha256":"b070358c5715f14234aaa3b17276605c0219f3ce4552139b0881823b71fe0e5e"},"schema_version":"1.0","source":{"id":"1810.12799","kind":"arxiv","version":1}},"canonical_sha256":"88ffae52c34d048b5e1c7f9a96bb3bb4339b5a45162703213c44d678afd85c9f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"88ffae52c34d048b5e1c7f9a96bb3bb4339b5a45162703213c44d678afd85c9f","first_computed_at":"2026-05-18T00:01:54.112530Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:01:54.112530Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6qs4oiO4sn8LpMrCMlJZe70VYufmT/LlfHToeQ6VSI0AaQnIgHTudtrhfW1q6XfOJwdtVSs8LjoKmI/frJixCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:01:54.112952Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.12799","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:baa85651ea4ec299537c1ea4d9716e33b77703165fe697eea0e1510d5a9cdfdd","sha256:9b22fbe8ff4719202c902e39846222319787c7b772a6b2c0c69cc99726922a04"],"state_sha256":"d9f9fb55d61bd0831b8113689e16697b53ceea653bc04e6fb9b98b869b451e0f"}