{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:OXP34WQG7B7ZYYSYMWAIBX4663","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":"8aa24a4d5da916dba600045c3c62f9af6f95d11ecbcf9082554e58015574bda4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-07-01T15:41:26Z","title_canon_sha256":"d77cc823a64813c12feb4f44359ce4fe6a761a127ace432c64303b94ac1935bb"},"schema_version":"1.0","source":{"id":"1107.0253","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.0253","created_at":"2026-05-18T04:19:02Z"},{"alias_kind":"arxiv_version","alias_value":"1107.0253v1","created_at":"2026-05-18T04:19:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.0253","created_at":"2026-05-18T04:19:02Z"},{"alias_kind":"pith_short_12","alias_value":"OXP34WQG7B7Z","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"OXP34WQG7B7ZYYSY","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"OXP34WQG","created_at":"2026-05-18T12:26:37Z"}],"graph_snapshots":[{"event_id":"sha256:7ac4847431f399f92617ee1081eed79af34419af28d74cd58559f55f99a8af96","target":"graph","created_at":"2026-05-18T04:19:02Z","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 predict that a liquid crystal/silver nanoparticles mixture can be designed so that, in a frequency range, its effective ordinary and extraordinary permittivities have real parts of different signs. We exploit this result to design a nano-photonic device obtained by sandwiching a few hundred nanometer thick slab of the proposed mixture between two silica layers. By resorting to full-wave simulations, we show that, by varying the direction of an externally applied electric field, the device can be used as an optical modulator since its transmissivity can be switched between 0.02 and 0.4 at a ","authors_text":"Alessandro Ciattoni, Elisa Spinozzi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-07-01T15:41:26Z","title":"Ultrathin optical switch based on a liquid crystal/silver nanoparticles mixture as a tunable indefinite medium"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.0253","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:a90b31a1dd0b68e354bfd546559dc246c83c5dc2a8c7afdf758a4ab2281c7f37","target":"record","created_at":"2026-05-18T04:19:02Z","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":"8aa24a4d5da916dba600045c3c62f9af6f95d11ecbcf9082554e58015574bda4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-07-01T15:41:26Z","title_canon_sha256":"d77cc823a64813c12feb4f44359ce4fe6a761a127ace432c64303b94ac1935bb"},"schema_version":"1.0","source":{"id":"1107.0253","kind":"arxiv","version":1}},"canonical_sha256":"75dfbe5a06f87f9c6258658080df9ef6fb5e809c269a984fff76a71d9a0aec13","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"75dfbe5a06f87f9c6258658080df9ef6fb5e809c269a984fff76a71d9a0aec13","first_computed_at":"2026-05-18T04:19:02.370016Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:19:02.370016Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CtRv+XRp9OhuvMQsgU0F8HlPxuVsToybavH1UuTVlZ1Be9FmtM/LMNvYmQCKD6fLZAjKb1HBYy6IkPoSxsGgBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:19:02.370612Z","signed_message":"canonical_sha256_bytes"},"source_id":"1107.0253","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a90b31a1dd0b68e354bfd546559dc246c83c5dc2a8c7afdf758a4ab2281c7f37","sha256:7ac4847431f399f92617ee1081eed79af34419af28d74cd58559f55f99a8af96"],"state_sha256":"5df1711927b90d72e5426b8e2058796e6cd4e98fbe596f8af4e2637c1fe201b9"}