{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:KQ5CZ4AMXZEQGJ7M3AMRYUR5EE","short_pith_number":"pith:KQ5CZ4AM","canonical_record":{"source":{"id":"1404.2113","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-04-08T13:01:51Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"2d68b5d1870bb17217783f61ba68106cb1574a0203315de34c11fd24f8bbe5c8","abstract_canon_sha256":"e79068075f049a4d3dbf5511fad47537068243990ffdb6a152dd99009d0a0268"},"schema_version":"1.0"},"canonical_sha256":"543a2cf00cbe490327ecd8191c523d211d8b31a0ffa03029bce0fa204d410928","source":{"kind":"arxiv","id":"1404.2113","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.2113","created_at":"2026-05-18T02:43:36Z"},{"alias_kind":"arxiv_version","alias_value":"1404.2113v1","created_at":"2026-05-18T02:43:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.2113","created_at":"2026-05-18T02:43:36Z"},{"alias_kind":"pith_short_12","alias_value":"KQ5CZ4AMXZEQ","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KQ5CZ4AMXZEQGJ7M","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KQ5CZ4AM","created_at":"2026-05-18T12:28:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:KQ5CZ4AMXZEQGJ7M3AMRYUR5EE","target":"record","payload":{"canonical_record":{"source":{"id":"1404.2113","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-04-08T13:01:51Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"2d68b5d1870bb17217783f61ba68106cb1574a0203315de34c11fd24f8bbe5c8","abstract_canon_sha256":"e79068075f049a4d3dbf5511fad47537068243990ffdb6a152dd99009d0a0268"},"schema_version":"1.0"},"canonical_sha256":"543a2cf00cbe490327ecd8191c523d211d8b31a0ffa03029bce0fa204d410928","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:43:36.017609Z","signature_b64":"eq6PgMf8m+d798tGqEykzkl9riNJNyJyAHi65sws6Ltyvhs5Vb1lDPE7F3gw9ZqziikVcyyOkvV7TUP+3YtcBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"543a2cf00cbe490327ecd8191c523d211d8b31a0ffa03029bce0fa204d410928","last_reissued_at":"2026-05-18T02:43:36.016761Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:43:36.016761Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1404.2113","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":"2026-05-18T02:43:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"09CrmJz0MYBrwA4AHP0EStuB/e6+hu6YBmLy0xSccNmvljY2sVU9+EgeUB6Us6HBMQrgjIB+DP7uTpaXcCtLAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T09:39:02.165227Z"},"content_sha256":"363a14558e95f1b4732b07280b83352009c40039d196ddd108b2d4fb33399a42","schema_version":"1.0","event_id":"sha256:363a14558e95f1b4732b07280b83352009c40039d196ddd108b2d4fb33399a42"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:KQ5CZ4AMXZEQGJ7M3AMRYUR5EE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Density Functional Theory for Chiral Nematic Liquid Crystals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"cond-mat.soft","authors_text":"M. Dijkstra, R. van Roij, S. Belli, S. Dussi","submitted_at":"2014-04-08T13:01:51Z","abstract_excerpt":"Even though chiral nematic phases were the first liquid crystals experimentally observed more than a century ago, the origin of the thermodynamic stability of cholesteric states is still unclear. In this Letter we address the problem by means of a novel density functional theory for the equilibrium pitch of chiral particles. When applied to right-handed hard helices, our theory predicts an entropy-driven cholesteric phase, which can be either right- or left-handed, depending not only on the particle shape but also on the thermodynamic state. We explain the origin of the chiral ordering as an i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.2113","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":"2026-05-18T02:43:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YZB5w2+C6MmChrjNG98bI/DnEM4JBqjvVyiFH4cIZwmlCJHXW0CdP8IsJL0Ls+WvjVu6MIossAuPeN1m4FcKDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T09:39:02.165597Z"},"content_sha256":"09c10ad6286976c1fb17fa77a8ff2aca614fdf6f3ba11d34d3e592b41887d628","schema_version":"1.0","event_id":"sha256:09c10ad6286976c1fb17fa77a8ff2aca614fdf6f3ba11d34d3e592b41887d628"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KQ5CZ4AMXZEQGJ7M3AMRYUR5EE/bundle.json","state_url":"https://pith.science/pith/KQ5CZ4AMXZEQGJ7M3AMRYUR5EE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KQ5CZ4AMXZEQGJ7M3AMRYUR5EE/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":"2026-06-05T09:39:02Z","links":{"resolver":"https://pith.science/pith/KQ5CZ4AMXZEQGJ7M3AMRYUR5EE","bundle":"https://pith.science/pith/KQ5CZ4AMXZEQGJ7M3AMRYUR5EE/bundle.json","state":"https://pith.science/pith/KQ5CZ4AMXZEQGJ7M3AMRYUR5EE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KQ5CZ4AMXZEQGJ7M3AMRYUR5EE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:KQ5CZ4AMXZEQGJ7M3AMRYUR5EE","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":"e79068075f049a4d3dbf5511fad47537068243990ffdb6a152dd99009d0a0268","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-04-08T13:01:51Z","title_canon_sha256":"2d68b5d1870bb17217783f61ba68106cb1574a0203315de34c11fd24f8bbe5c8"},"schema_version":"1.0","source":{"id":"1404.2113","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.2113","created_at":"2026-05-18T02:43:36Z"},{"alias_kind":"arxiv_version","alias_value":"1404.2113v1","created_at":"2026-05-18T02:43:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.2113","created_at":"2026-05-18T02:43:36Z"},{"alias_kind":"pith_short_12","alias_value":"KQ5CZ4AMXZEQ","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KQ5CZ4AMXZEQGJ7M","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KQ5CZ4AM","created_at":"2026-05-18T12:28:35Z"}],"graph_snapshots":[{"event_id":"sha256:09c10ad6286976c1fb17fa77a8ff2aca614fdf6f3ba11d34d3e592b41887d628","target":"graph","created_at":"2026-05-18T02:43:36Z","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":"Even though chiral nematic phases were the first liquid crystals experimentally observed more than a century ago, the origin of the thermodynamic stability of cholesteric states is still unclear. In this Letter we address the problem by means of a novel density functional theory for the equilibrium pitch of chiral particles. When applied to right-handed hard helices, our theory predicts an entropy-driven cholesteric phase, which can be either right- or left-handed, depending not only on the particle shape but also on the thermodynamic state. We explain the origin of the chiral ordering as an i","authors_text":"M. Dijkstra, R. van Roij, S. Belli, S. Dussi","cross_cats":["cond-mat.stat-mech"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-04-08T13:01:51Z","title":"Density Functional Theory for Chiral Nematic Liquid Crystals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.2113","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":"sha256:363a14558e95f1b4732b07280b83352009c40039d196ddd108b2d4fb33399a42","target":"record","created_at":"2026-05-18T02:43:36Z","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":"e79068075f049a4d3dbf5511fad47537068243990ffdb6a152dd99009d0a0268","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-04-08T13:01:51Z","title_canon_sha256":"2d68b5d1870bb17217783f61ba68106cb1574a0203315de34c11fd24f8bbe5c8"},"schema_version":"1.0","source":{"id":"1404.2113","kind":"arxiv","version":1}},"canonical_sha256":"543a2cf00cbe490327ecd8191c523d211d8b31a0ffa03029bce0fa204d410928","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"543a2cf00cbe490327ecd8191c523d211d8b31a0ffa03029bce0fa204d410928","first_computed_at":"2026-05-18T02:43:36.016761Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:43:36.016761Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eq6PgMf8m+d798tGqEykzkl9riNJNyJyAHi65sws6Ltyvhs5Vb1lDPE7F3gw9ZqziikVcyyOkvV7TUP+3YtcBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:43:36.017609Z","signed_message":"canonical_sha256_bytes"},"source_id":"1404.2113","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:363a14558e95f1b4732b07280b83352009c40039d196ddd108b2d4fb33399a42","sha256:09c10ad6286976c1fb17fa77a8ff2aca614fdf6f3ba11d34d3e592b41887d628"],"state_sha256":"bc9ab93602065a3fe006dd7537ea538f656f3238e2e4a60f8171a6aa39d62ff1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MjBgYScNdicquSFQfLgBmqoRiyt8VcJVZJVNxgESwnq3btSVL8GVMeTS4khR6NYnp8BHFuk9q/FWNOEW9c8oDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T09:39:02.167567Z","bundle_sha256":"41cbc8f57437cf4609765adbda37c4026d8fe2ac1d42e69c7630feebb9fff18e"}}