{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:OI6BSBOK7ZPVYUHZA7O7MBF2F4","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":"e0bd898bce0d3b867c14217a0657fd2f07340f27d676ae2f88f25568dd4fd666","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-10-09T02:15:51Z","title_canon_sha256":"3643bebf85352ceaf8b51ba2c0601564e9e34167a52bfb5bdf62f79944227c33"},"schema_version":"1.0","source":{"id":"1510.02547","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.02547","created_at":"2026-05-18T01:07:21Z"},{"alias_kind":"arxiv_version","alias_value":"1510.02547v1","created_at":"2026-05-18T01:07:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.02547","created_at":"2026-05-18T01:07:21Z"},{"alias_kind":"pith_short_12","alias_value":"OI6BSBOK7ZPV","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"OI6BSBOK7ZPVYUHZ","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"OI6BSBOK","created_at":"2026-05-18T12:29:34Z"}],"graph_snapshots":[{"event_id":"sha256:dafc15e18fb4d8287449d8502f66d60ad690abc47e599aeb72bfa0bbe7d016d3","target":"graph","created_at":"2026-05-18T01:07:21Z","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":"Electron spins in semiconductor quantum dots are good candidates of quantum bits for quantum information processing. Basic operations of the qubit have been realized in recent years: initialization, manipulation of single spins, two qubit entanglement operations, and readout. Now it becomes crucial to demonstrate scalability of this architecture by conducting spin operations on a scaled up system. Here, we demonstrate single-electron spin resonance in a quadruple quantum dot. A few-electron quadruple quantum dot is formed within a magnetic field gradient created by a micro-magnet. We oscillate","authors_text":"Akito Noiri, Andreas D. Wieck, Arne Ludwig, Giles Allison, Jun Yoneda, Kenta Takeda, Matthieu R. Delbecq, Retsu Sugawara, Seigo Tarucha, Shinichi Amaha, Takashi Nakajima, Takumi Ito, Tomohiro Otsuka","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-10-09T02:15:51Z","title":"Single-electron Spin Resonance in a Quadruple Quantum Dot"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.02547","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":"sha256:6eaca64328e3bd2fd5cb2131cfa96f92db733ffc5a9342246f8854f6ef5dadfa","target":"record","created_at":"2026-05-18T01:07:21Z","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":"e0bd898bce0d3b867c14217a0657fd2f07340f27d676ae2f88f25568dd4fd666","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-10-09T02:15:51Z","title_canon_sha256":"3643bebf85352ceaf8b51ba2c0601564e9e34167a52bfb5bdf62f79944227c33"},"schema_version":"1.0","source":{"id":"1510.02547","kind":"arxiv","version":1}},"canonical_sha256":"723c1905cafe5f5c50f907ddf604ba2f18037747b07d42563f9e3658f61f8769","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"723c1905cafe5f5c50f907ddf604ba2f18037747b07d42563f9e3658f61f8769","first_computed_at":"2026-05-18T01:07:21.027872Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:07:21.027872Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VDVMqTw9DtHfbfz83+wlD3ixIAK1q92iPeGjc3I0YI+e3W/UvLgiKk+I0hyVr+ZtxE+CMa62yWMQdEFY8QJrCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:07:21.028330Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.02547","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6eaca64328e3bd2fd5cb2131cfa96f92db733ffc5a9342246f8854f6ef5dadfa","sha256:dafc15e18fb4d8287449d8502f66d60ad690abc47e599aeb72bfa0bbe7d016d3"],"state_sha256":"14ffeb2469e3da0d2e947678ce81b62a553f6028fc64764ee2197cc948cfefc9"}