{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:UWWAF2WCXO6N3V7T3TAJ3WMSE5","short_pith_number":"pith:UWWAF2WC","canonical_record":{"source":{"id":"1707.04325","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-07-12T06:50:01Z","cross_cats_sorted":[],"title_canon_sha256":"3d5472f96ac06fa6edded05c4d6445193f9914ea795f2ae3f97028c59670c9de","abstract_canon_sha256":"6a03bcfba93b03e68f8f09d7916a193a8810130dd9a9f9766faecbf730695db4"},"schema_version":"1.0"},"canonical_sha256":"a5ac02eac2bbbcddd7f3dcc09dd992277b7a238675ad837f6ca1e6d34a822bad","source":{"kind":"arxiv","id":"1707.04325","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.04325","created_at":"2026-05-18T00:33:16Z"},{"alias_kind":"arxiv_version","alias_value":"1707.04325v1","created_at":"2026-05-18T00:33:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.04325","created_at":"2026-05-18T00:33:16Z"},{"alias_kind":"pith_short_12","alias_value":"UWWAF2WCXO6N","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"UWWAF2WCXO6N3V7T","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"UWWAF2WC","created_at":"2026-05-18T12:31:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:UWWAF2WCXO6N3V7T3TAJ3WMSE5","target":"record","payload":{"canonical_record":{"source":{"id":"1707.04325","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-07-12T06:50:01Z","cross_cats_sorted":[],"title_canon_sha256":"3d5472f96ac06fa6edded05c4d6445193f9914ea795f2ae3f97028c59670c9de","abstract_canon_sha256":"6a03bcfba93b03e68f8f09d7916a193a8810130dd9a9f9766faecbf730695db4"},"schema_version":"1.0"},"canonical_sha256":"a5ac02eac2bbbcddd7f3dcc09dd992277b7a238675ad837f6ca1e6d34a822bad","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:33:16.426869Z","signature_b64":"90/oSTq/jRAL5ycb3EwxLjgobFYF8Gqyf/p3UyTpWqqsbLWpd0K4SirnZIGBqXHIUwfw0a2Kt62yO0xFNtQtAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a5ac02eac2bbbcddd7f3dcc09dd992277b7a238675ad837f6ca1e6d34a822bad","last_reissued_at":"2026-05-18T00:33:16.426125Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:33:16.426125Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1707.04325","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":"2026-05-18T00:33:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rWjnb4673AC+XriIR1u9e274fEumj/eX2glbD22pz230EFNJze9a++JuIgqu1rFBI63asbzAN2MMt0oE/QA0Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T10:45:35.695417Z"},"content_sha256":"9ab4e687f9c5f90b95c0c17447d372b07fbc3c6138bfd70b3b1f7c7b2e0145c8","schema_version":"1.0","event_id":"sha256:9ab4e687f9c5f90b95c0c17447d372b07fbc3c6138bfd70b3b1f7c7b2e0145c8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:UWWAF2WCXO6N3V7T3TAJ3WMSE5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tracking capacitance of liquid crystal devices to improve polarization rotation accuracy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"Alexander Ling, Kadir Durak, Rakhitha Chandrasekara","submitted_at":"2017-07-12T06:50:01Z","abstract_excerpt":"We report a capacitance tracking method for achieving arbitrary polarization rotation from nematic liquid crystals. By locking to the unique capacitance associated with the molecular orientation, any polarization rotation can be achieved with improved accuracy over a wide temperature range. A modified relaxation oscillator circuit that can simultaneously determine the capacitance and drive the rotator is presented."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.04325","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":"2026-05-18T00:33:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2Rrfbs6GlQj5SGN4pHO5ZFpAnci9DJREwj2uFl6rvtPEvqCbogqCZmMbLBk2gIrqRCJy4IuyUh+t841w8tAyAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T10:45:35.695850Z"},"content_sha256":"c5cc3aff3f210f8623a390194d0c96135e5050ca95c61ad2508fd72c63f9b9c6","schema_version":"1.0","event_id":"sha256:c5cc3aff3f210f8623a390194d0c96135e5050ca95c61ad2508fd72c63f9b9c6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UWWAF2WCXO6N3V7T3TAJ3WMSE5/bundle.json","state_url":"https://pith.science/pith/UWWAF2WCXO6N3V7T3TAJ3WMSE5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UWWAF2WCXO6N3V7T3TAJ3WMSE5/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":"2026-05-24T10:45:35Z","links":{"resolver":"https://pith.science/pith/UWWAF2WCXO6N3V7T3TAJ3WMSE5","bundle":"https://pith.science/pith/UWWAF2WCXO6N3V7T3TAJ3WMSE5/bundle.json","state":"https://pith.science/pith/UWWAF2WCXO6N3V7T3TAJ3WMSE5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UWWAF2WCXO6N3V7T3TAJ3WMSE5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:UWWAF2WCXO6N3V7T3TAJ3WMSE5","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":"6a03bcfba93b03e68f8f09d7916a193a8810130dd9a9f9766faecbf730695db4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-07-12T06:50:01Z","title_canon_sha256":"3d5472f96ac06fa6edded05c4d6445193f9914ea795f2ae3f97028c59670c9de"},"schema_version":"1.0","source":{"id":"1707.04325","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.04325","created_at":"2026-05-18T00:33:16Z"},{"alias_kind":"arxiv_version","alias_value":"1707.04325v1","created_at":"2026-05-18T00:33:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.04325","created_at":"2026-05-18T00:33:16Z"},{"alias_kind":"pith_short_12","alias_value":"UWWAF2WCXO6N","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"UWWAF2WCXO6N3V7T","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"UWWAF2WC","created_at":"2026-05-18T12:31:49Z"}],"graph_snapshots":[{"event_id":"sha256:c5cc3aff3f210f8623a390194d0c96135e5050ca95c61ad2508fd72c63f9b9c6","target":"graph","created_at":"2026-05-18T00:33:16Z","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 report a capacitance tracking method for achieving arbitrary polarization rotation from nematic liquid crystals. By locking to the unique capacitance associated with the molecular orientation, any polarization rotation can be achieved with improved accuracy over a wide temperature range. A modified relaxation oscillator circuit that can simultaneously determine the capacitance and drive the rotator is presented.","authors_text":"Alexander Ling, Kadir Durak, Rakhitha Chandrasekara","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-07-12T06:50:01Z","title":"Tracking capacitance of liquid crystal devices to improve polarization rotation accuracy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.04325","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":"sha256:9ab4e687f9c5f90b95c0c17447d372b07fbc3c6138bfd70b3b1f7c7b2e0145c8","target":"record","created_at":"2026-05-18T00:33:16Z","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":"6a03bcfba93b03e68f8f09d7916a193a8810130dd9a9f9766faecbf730695db4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-07-12T06:50:01Z","title_canon_sha256":"3d5472f96ac06fa6edded05c4d6445193f9914ea795f2ae3f97028c59670c9de"},"schema_version":"1.0","source":{"id":"1707.04325","kind":"arxiv","version":1}},"canonical_sha256":"a5ac02eac2bbbcddd7f3dcc09dd992277b7a238675ad837f6ca1e6d34a822bad","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a5ac02eac2bbbcddd7f3dcc09dd992277b7a238675ad837f6ca1e6d34a822bad","first_computed_at":"2026-05-18T00:33:16.426125Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:33:16.426125Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"90/oSTq/jRAL5ycb3EwxLjgobFYF8Gqyf/p3UyTpWqqsbLWpd0K4SirnZIGBqXHIUwfw0a2Kt62yO0xFNtQtAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:33:16.426869Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.04325","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9ab4e687f9c5f90b95c0c17447d372b07fbc3c6138bfd70b3b1f7c7b2e0145c8","sha256:c5cc3aff3f210f8623a390194d0c96135e5050ca95c61ad2508fd72c63f9b9c6"],"state_sha256":"44302754ef84875cbe63ccff90ff46faef782bc8de4889ff4d25093fd4010a48"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mkE9tE94SyEm8YNnxgnZBhWV1eaPhJHWoRat+/M7rI3wcEB1g43RoT/RJ9PtfWa9UHHNalu3ugIHrgLCsEjsBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T10:45:35.699075Z","bundle_sha256":"9269b498a8f9d4294e9d26943160e82154ea46f507c69e20a8e6726b1e79dddd"}}