{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:F7A4LXB7J6PT3EU7NB36PVGNXD","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":"53771f49db57a4dcc8060c5620884e656850bafd12487f6ff7f28d62d913ece1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-11-20T15:34:22Z","title_canon_sha256":"776793e1353a2c1c015619fa6a79a17ce8ea2bb144743aa4a3b91e3a2a0dc709"},"schema_version":"1.0","source":{"id":"1511.06643","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.06643","created_at":"2026-05-18T01:26:24Z"},{"alias_kind":"arxiv_version","alias_value":"1511.06643v1","created_at":"2026-05-18T01:26:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.06643","created_at":"2026-05-18T01:26:24Z"},{"alias_kind":"pith_short_12","alias_value":"F7A4LXB7J6PT","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"F7A4LXB7J6PT3EU7","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"F7A4LXB7","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:97f201f7de875b3e1665d7a90e5eecf04f86c1134910819ed60edcc98da0620d","target":"graph","created_at":"2026-05-18T01:26:24Z","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"},"paper":{"abstract_excerpt":"High frequency (ac) conductivity in the single quantum well AlGaAs/GaAs/AlGaAs with high mobility was investigated by contactless acoustic methods in the fractional quantum Hall effect regime in perpendicular and tilted magnetic fields. We studied the dependence of ac conductivity $\\sigma^{ac}=\\sigma_1 - i\\sigma_2$ on both the temperature and magnetic field tilt angle. Tilting the magnetic field relative to the sample surface enabled us to change the position of the conductivity oscillation minimum at $\\nu$=2/3. We measured the temperature dependence of ac conductivity for each tilt angle and ","authors_text":"A.V. Suslov, I.L. Drichko, I.Yu. Smirnov, K.W. West, L.N. Pfeiffer","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-11-20T15:34:22Z","title":"Surface Acoustic Waves Probe of the Spin Phase Transition at $\\nu$=2/3 in n-GaAs/AlGaAs structure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.06643","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":"sha256:7044dc574fc5241a7d7926ec928d82d39fc69b2b26313edbda2aba84d82f1c25","target":"record","created_at":"2026-05-18T01:26:24Z","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":"53771f49db57a4dcc8060c5620884e656850bafd12487f6ff7f28d62d913ece1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-11-20T15:34:22Z","title_canon_sha256":"776793e1353a2c1c015619fa6a79a17ce8ea2bb144743aa4a3b91e3a2a0dc709"},"schema_version":"1.0","source":{"id":"1511.06643","kind":"arxiv","version":1}},"canonical_sha256":"2fc1c5dc3f4f9f3d929f6877e7d4cdb8ebebb1d5cebc4ffe39b8303636d38a63","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2fc1c5dc3f4f9f3d929f6877e7d4cdb8ebebb1d5cebc4ffe39b8303636d38a63","first_computed_at":"2026-05-18T01:26:24.154733Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:26:24.154733Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PkhIC8k2PlX9QfwQZl2JoLbGgdRTYB0ujQh+oqdnXas/CRcQs2zPUpQ01tMjRX1gLWnh7eYyKTQwBFNJdXSwDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:26:24.155101Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.06643","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7044dc574fc5241a7d7926ec928d82d39fc69b2b26313edbda2aba84d82f1c25","sha256:97f201f7de875b3e1665d7a90e5eecf04f86c1134910819ed60edcc98da0620d"],"state_sha256":"1680ab5cae1895d5085bfaea668e8e5e28c2d3ea49d5595c53b4fd37a9addd0e"}