{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:TGOUY55S65DSPVYOCEY3JW2AKH","short_pith_number":"pith:TGOUY55S","canonical_record":{"source":{"id":"1208.2820","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-08-14T09:57:54Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci","physics.chem-ph"],"title_canon_sha256":"aaf232772ef396eca52d657a37882e07d85b2c8508daab0e64df5e1127516bdb","abstract_canon_sha256":"0777f938a9bac345893aa0e30e66a25c5cf3aa576a3789db73a89e73b61deb3c"},"schema_version":"1.0"},"canonical_sha256":"999d4c77b2f74727d70e1131b4db4051ce2117ca7a6006fc1dfeeecf42562f0e","source":{"kind":"arxiv","id":"1208.2820","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.2820","created_at":"2026-05-18T03:48:47Z"},{"alias_kind":"arxiv_version","alias_value":"1208.2820v1","created_at":"2026-05-18T03:48:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.2820","created_at":"2026-05-18T03:48:47Z"},{"alias_kind":"pith_short_12","alias_value":"TGOUY55S65DS","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"TGOUY55S65DSPVYO","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"TGOUY55S","created_at":"2026-05-18T12:27:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:TGOUY55S65DSPVYOCEY3JW2AKH","target":"record","payload":{"canonical_record":{"source":{"id":"1208.2820","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-08-14T09:57:54Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci","physics.chem-ph"],"title_canon_sha256":"aaf232772ef396eca52d657a37882e07d85b2c8508daab0e64df5e1127516bdb","abstract_canon_sha256":"0777f938a9bac345893aa0e30e66a25c5cf3aa576a3789db73a89e73b61deb3c"},"schema_version":"1.0"},"canonical_sha256":"999d4c77b2f74727d70e1131b4db4051ce2117ca7a6006fc1dfeeecf42562f0e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:48:47.146742Z","signature_b64":"2mi2jl4wAdLhJRlFc3TsnzdUxQoQtKEXmwTuzb9/UPPBj9R60r9ueeb/Ytdx3M5EK1IVbbq9VMTjE+M/H9nSDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"999d4c77b2f74727d70e1131b4db4051ce2117ca7a6006fc1dfeeecf42562f0e","last_reissued_at":"2026-05-18T03:48:47.146033Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:48:47.146033Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1208.2820","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":"2026-05-18T03:48:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5pAAB3mIV+VceFUyVIBNM/U+X8KsNF8703cVd2dGxLDCIjwk0XG6wD6bJNhxUdnZY1PZgb+fB+FbcM+nSRQvBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T19:44:51.095716Z"},"content_sha256":"e65a2aec0d29345f1459d42ec3f6c7e038f60f5d00ccc019e134bba9d24a87fd","schema_version":"1.0","event_id":"sha256:e65a2aec0d29345f1459d42ec3f6c7e038f60f5d00ccc019e134bba9d24a87fd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:TGOUY55S65DSPVYOCEY3JW2AKH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Influence of nano confinement on nematic liquid crystals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.mtrl-sci","physics.chem-ph"],"primary_cat":"cond-mat.soft","authors_text":"Andriy V. Kityk, Daniel Rau, Patrick Huber, Sylwia Calus","submitted_at":"2012-08-14T09:57:54Z","abstract_excerpt":"We explore the nematic ordering of the rod-like liquid crystals 5CB and 6CB, embedded into parallel-aligned nanochannels in mesoporous silicon and silica membranes as a function of mean channel radius (4.7<=R <=8.3 nm), and thus geometrical confinement strength, by optical birefringence measurements in the infrared region. The orientational order inside the nanochannels results in an excess birefringence, which is proportional to the nematic order parameter. It evolves continuously upon cooling with a precursor behavior, typical of a paranematic state at high temperatures. These observations a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.2820","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":"2026-05-18T03:48:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DWuHneOiGPIpuJE+luKUK37I1lEJA8IqbA9yzUc0fZKAfXo7Jdj/k1ldgFwPH36og37ByrklvgRUuPIdshqZDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T19:44:51.096072Z"},"content_sha256":"4282d6474febb9453f893ba3262c51a7cac44073b2c35cd8dafde2504511c059","schema_version":"1.0","event_id":"sha256:4282d6474febb9453f893ba3262c51a7cac44073b2c35cd8dafde2504511c059"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TGOUY55S65DSPVYOCEY3JW2AKH/bundle.json","state_url":"https://pith.science/pith/TGOUY55S65DSPVYOCEY3JW2AKH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TGOUY55S65DSPVYOCEY3JW2AKH/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":"2026-06-24T19:44:51Z","links":{"resolver":"https://pith.science/pith/TGOUY55S65DSPVYOCEY3JW2AKH","bundle":"https://pith.science/pith/TGOUY55S65DSPVYOCEY3JW2AKH/bundle.json","state":"https://pith.science/pith/TGOUY55S65DSPVYOCEY3JW2AKH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TGOUY55S65DSPVYOCEY3JW2AKH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:TGOUY55S65DSPVYOCEY3JW2AKH","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":"0777f938a9bac345893aa0e30e66a25c5cf3aa576a3789db73a89e73b61deb3c","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci","physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-08-14T09:57:54Z","title_canon_sha256":"aaf232772ef396eca52d657a37882e07d85b2c8508daab0e64df5e1127516bdb"},"schema_version":"1.0","source":{"id":"1208.2820","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.2820","created_at":"2026-05-18T03:48:47Z"},{"alias_kind":"arxiv_version","alias_value":"1208.2820v1","created_at":"2026-05-18T03:48:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.2820","created_at":"2026-05-18T03:48:47Z"},{"alias_kind":"pith_short_12","alias_value":"TGOUY55S65DS","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"TGOUY55S65DSPVYO","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"TGOUY55S","created_at":"2026-05-18T12:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:4282d6474febb9453f893ba3262c51a7cac44073b2c35cd8dafde2504511c059","target":"graph","created_at":"2026-05-18T03:48:47Z","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 explore the nematic ordering of the rod-like liquid crystals 5CB and 6CB, embedded into parallel-aligned nanochannels in mesoporous silicon and silica membranes as a function of mean channel radius (4.7<=R <=8.3 nm), and thus geometrical confinement strength, by optical birefringence measurements in the infrared region. The orientational order inside the nanochannels results in an excess birefringence, which is proportional to the nematic order parameter. It evolves continuously upon cooling with a precursor behavior, typical of a paranematic state at high temperatures. These observations a","authors_text":"Andriy V. Kityk, Daniel Rau, Patrick Huber, Sylwia Calus","cross_cats":["cond-mat.mes-hall","cond-mat.mtrl-sci","physics.chem-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-08-14T09:57:54Z","title":"Influence of nano confinement on nematic liquid crystals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.2820","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:e65a2aec0d29345f1459d42ec3f6c7e038f60f5d00ccc019e134bba9d24a87fd","target":"record","created_at":"2026-05-18T03:48:47Z","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":"0777f938a9bac345893aa0e30e66a25c5cf3aa576a3789db73a89e73b61deb3c","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci","physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-08-14T09:57:54Z","title_canon_sha256":"aaf232772ef396eca52d657a37882e07d85b2c8508daab0e64df5e1127516bdb"},"schema_version":"1.0","source":{"id":"1208.2820","kind":"arxiv","version":1}},"canonical_sha256":"999d4c77b2f74727d70e1131b4db4051ce2117ca7a6006fc1dfeeecf42562f0e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"999d4c77b2f74727d70e1131b4db4051ce2117ca7a6006fc1dfeeecf42562f0e","first_computed_at":"2026-05-18T03:48:47.146033Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:48:47.146033Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2mi2jl4wAdLhJRlFc3TsnzdUxQoQtKEXmwTuzb9/UPPBj9R60r9ueeb/Ytdx3M5EK1IVbbq9VMTjE+M/H9nSDA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:48:47.146742Z","signed_message":"canonical_sha256_bytes"},"source_id":"1208.2820","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e65a2aec0d29345f1459d42ec3f6c7e038f60f5d00ccc019e134bba9d24a87fd","sha256:4282d6474febb9453f893ba3262c51a7cac44073b2c35cd8dafde2504511c059"],"state_sha256":"bdf8e3e5dab4d5024263a42deca6c0f01a43a2a293290313521013a1459b22d3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zy6pOpqNRKt7pK7J0J2Zvbp9pKB6oXuGLvQPtt5hBd1BJlJg+hCPQ7Ln0+44YZqZiTLnjZIfTw1NE9lcBH94Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T19:44:51.098119Z","bundle_sha256":"ad661ecb1307f471a31ac161fbc0f3ae75746394c14bd7e36f2372891941d1c2"}}