{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:XG66NCHQ2ONNO6MSWMJ62CPASU","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":"6a85c6d4755febf24210516d5160108f60475e2fcc66b1f373bba0d5f0e8da48","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-01-11T16:02:34Z","title_canon_sha256":"19de56c6e5822f269ef0267c9a6bf53d144d9092587500f7f2cc3a636b35b057"},"schema_version":"1.0","source":{"id":"1401.2543","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.2543","created_at":"2026-05-18T01:45:26Z"},{"alias_kind":"arxiv_version","alias_value":"1401.2543v1","created_at":"2026-05-18T01:45:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.2543","created_at":"2026-05-18T01:45:26Z"},{"alias_kind":"pith_short_12","alias_value":"XG66NCHQ2ONN","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"XG66NCHQ2ONNO6MS","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"XG66NCHQ","created_at":"2026-05-18T12:28:57Z"}],"graph_snapshots":[{"event_id":"sha256:2d5b0f7011bdb4d97f29e8b73ac323c4cfe8dfeef9498ab03386f99f259c721b","target":"graph","created_at":"2026-05-18T01:45:26Z","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":"We disclose the vertically aligned deformed helix ferroelectric liquid crystal (VADHFLC) whose Kerr constant ($K_{\\mathrm{kerr}}\\approx 130$~nm/V$^2$ at $\\lambda=543$~nm) is one order of magnitude higher than any other value previously reported for liquid crystalline structures. Under certain conditions, the phase modulation with ellipticity less than 0.05 over the range of continuous and hysteresis free electric adjustment of the phase shift from zero to 2$\\pi$ have been obtained at sub-kilohertz frequency.","authors_text":"A.I. Krivoshey, A. K. Srivastava, Alexei D. Kiselev, E.P. Pozhidaev, H.-S. Kwok, M.V. Minchenko, V.G. Chigrinov, V.V. Vashchenko","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-01-11T16:02:34Z","title":"Enhanced Kerr effect in vertically aligned deformed helix ferroelectric liquid crystals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.2543","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:b43953a792692a9821dc3a8954b6b88a6f574e815a3eab9d0ee108c4ad86d5d1","target":"record","created_at":"2026-05-18T01:45:26Z","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":"6a85c6d4755febf24210516d5160108f60475e2fcc66b1f373bba0d5f0e8da48","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-01-11T16:02:34Z","title_canon_sha256":"19de56c6e5822f269ef0267c9a6bf53d144d9092587500f7f2cc3a636b35b057"},"schema_version":"1.0","source":{"id":"1401.2543","kind":"arxiv","version":1}},"canonical_sha256":"b9bde688f0d39ad77992b313ed09e095314e0106563418ea910947cf4bae899e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b9bde688f0d39ad77992b313ed09e095314e0106563418ea910947cf4bae899e","first_computed_at":"2026-05-18T01:45:26.470658Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:45:26.470658Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bOX+A+Cp8xwV1MMvsy8jF6g2QRhPb6q7c7yOKTJV6OTPIgrEiBCqGIdhR5UNjA6F1OgMTP8AnMVn15Qwd68iAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:45:26.471139Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.2543","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b43953a792692a9821dc3a8954b6b88a6f574e815a3eab9d0ee108c4ad86d5d1","sha256:2d5b0f7011bdb4d97f29e8b73ac323c4cfe8dfeef9498ab03386f99f259c721b"],"state_sha256":"00590cc93c9e34177e49a24d7463c8e57c0f717961b5dd4603b5fe5b59240c69"}