{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:XG66NCHQ2ONNO6MSWMJ62CPASU","short_pith_number":"pith:XG66NCHQ","canonical_record":{"source":{"id":"1401.2543","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-01-11T16:02:34Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"19de56c6e5822f269ef0267c9a6bf53d144d9092587500f7f2cc3a636b35b057","abstract_canon_sha256":"6a85c6d4755febf24210516d5160108f60475e2fcc66b1f373bba0d5f0e8da48"},"schema_version":"1.0"},"canonical_sha256":"b9bde688f0d39ad77992b313ed09e095314e0106563418ea910947cf4bae899e","source":{"kind":"arxiv","id":"1401.2543","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"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:XG66NCHQ2ONNO6MSWMJ62CPASU","target":"record","payload":{"canonical_record":{"source":{"id":"1401.2543","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-01-11T16:02:34Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"19de56c6e5822f269ef0267c9a6bf53d144d9092587500f7f2cc3a636b35b057","abstract_canon_sha256":"6a85c6d4755febf24210516d5160108f60475e2fcc66b1f373bba0d5f0e8da48"},"schema_version":"1.0"},"canonical_sha256":"b9bde688f0d39ad77992b313ed09e095314e0106563418ea910947cf4bae899e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:45:26.471139Z","signature_b64":"bOX+A+Cp8xwV1MMvsy8jF6g2QRhPb6q7c7yOKTJV6OTPIgrEiBCqGIdhR5UNjA6F1OgMTP8AnMVn15Qwd68iAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b9bde688f0d39ad77992b313ed09e095314e0106563418ea910947cf4bae899e","last_reissued_at":"2026-05-18T01:45:26.470658Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:45:26.470658Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.2543","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:45:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vXQSG0GfjtcreXe5tqxp+XTGpV59GlZDFn6FCBsUZ7o/SXG12l/G5JL0wMewwoFGoAeTNjr/82/Ta2tMt2vaAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T10:14:31.667055Z"},"content_sha256":"b43953a792692a9821dc3a8954b6b88a6f574e815a3eab9d0ee108c4ad86d5d1","schema_version":"1.0","event_id":"sha256:b43953a792692a9821dc3a8954b6b88a6f574e815a3eab9d0ee108c4ad86d5d1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:XG66NCHQ2ONNO6MSWMJ62CPASU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Enhanced Kerr effect in vertically aligned deformed helix ferroelectric liquid crystals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"cond-mat.mtrl-sci","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","submitted_at":"2014-01-11T16:02:34Z","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."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.2543","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:45:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qYLC2yZKx3QD5WaDX/LBHlTKcIujug+btW0Ds/bgyrftC14oFL5pF0y98Ch4YwL0uBgz+KIKh1hbDnRNKcwYCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T10:14:31.667720Z"},"content_sha256":"2d5b0f7011bdb4d97f29e8b73ac323c4cfe8dfeef9498ab03386f99f259c721b","schema_version":"1.0","event_id":"sha256:2d5b0f7011bdb4d97f29e8b73ac323c4cfe8dfeef9498ab03386f99f259c721b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XG66NCHQ2ONNO6MSWMJ62CPASU/bundle.json","state_url":"https://pith.science/pith/XG66NCHQ2ONNO6MSWMJ62CPASU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XG66NCHQ2ONNO6MSWMJ62CPASU/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-03T10:14:31Z","links":{"resolver":"https://pith.science/pith/XG66NCHQ2ONNO6MSWMJ62CPASU","bundle":"https://pith.science/pith/XG66NCHQ2ONNO6MSWMJ62CPASU/bundle.json","state":"https://pith.science/pith/XG66NCHQ2ONNO6MSWMJ62CPASU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XG66NCHQ2ONNO6MSWMJ62CPASU/bundle.json"},"state":{"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"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6Fk+dTEmzhhi+nI0OS3wdUKGsKHKGF5NVzoTRx3Poy1b7m9ijdSNY1fytZF14yMzMqzPI194fxh5jb9uUzVmAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T10:14:31.670993Z","bundle_sha256":"7bfb11e01c1fcc6ea5545f2b423410adc29e2b771d5c2245c3ed89d280ecdf7a"}}