{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:OIKPVHL3GJPE3AOLTK4TB26FDU","short_pith_number":"pith:OIKPVHL3","canonical_record":{"source":{"id":"0905.4172","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2009-05-26T11:34:55Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"f1e67c01c22e78bb416e0d6043f80be7a8686075d3b90ade22463f5656061e2a","abstract_canon_sha256":"1f844f1dafff6ba00fa3795fc33100cfec8aad2a9d64715f8e5d7757ca46b854"},"schema_version":"1.0"},"canonical_sha256":"7214fa9d7b325e4d81cb9ab930ebc51d3492c7c921572f19075cd11891b77947","source":{"kind":"arxiv","id":"0905.4172","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0905.4172","created_at":"2026-05-18T02:13:37Z"},{"alias_kind":"arxiv_version","alias_value":"0905.4172v1","created_at":"2026-05-18T02:13:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.4172","created_at":"2026-05-18T02:13:37Z"},{"alias_kind":"pith_short_12","alias_value":"OIKPVHL3GJPE","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"OIKPVHL3GJPE3AOL","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"OIKPVHL3","created_at":"2026-05-18T12:26:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:OIKPVHL3GJPE3AOLTK4TB26FDU","target":"record","payload":{"canonical_record":{"source":{"id":"0905.4172","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2009-05-26T11:34:55Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"f1e67c01c22e78bb416e0d6043f80be7a8686075d3b90ade22463f5656061e2a","abstract_canon_sha256":"1f844f1dafff6ba00fa3795fc33100cfec8aad2a9d64715f8e5d7757ca46b854"},"schema_version":"1.0"},"canonical_sha256":"7214fa9d7b325e4d81cb9ab930ebc51d3492c7c921572f19075cd11891b77947","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:13:37.509992Z","signature_b64":"RNdBZx7eBOloZ/vR/iJfOe0qF5rsMdDq2rF+wHSQdP91QZQkYrfVizIReCvoJ8/DbFOqJyWkzToueTXZOW8wBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7214fa9d7b325e4d81cb9ab930ebc51d3492c7c921572f19075cd11891b77947","last_reissued_at":"2026-05-18T02:13:37.509453Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:13:37.509453Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0905.4172","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":"2026-05-18T02:13:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rEg8Y0p0oQSQh8IcfeiXz3q8OT/OGO7GZN6LlQ/+LG9JPPbXskdBAv5umAb4n2EQaZjQe3h8mV/uMV6YLLIQDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:38:04.737638Z"},"content_sha256":"57285b9c98ce354ee5a8e84bfddac0242fdb18ce809cd88598adcdb7f7897856","schema_version":"1.0","event_id":"sha256:57285b9c98ce354ee5a8e84bfddac0242fdb18ce809cd88598adcdb7f7897856"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:OIKPVHL3GJPE3AOLTK4TB26FDU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Generalized van der Waals theory for the twist elastic modulus and helical pitch of cholesterics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"cond-mat.soft","authors_text":"G. Jackson, H. H. Wensink","submitted_at":"2009-05-26T11:34:55Z","abstract_excerpt":"We present a generalized van der Waals theory for a lyotropic cholesteric system of chiral spherocylinders based on the classical Onsager theory for hard anisometric bodies. The rods consist of a hard spherocylindrical backbone surrounded with a square-well potential to account for attractive (or soft repulsive) interactions. Long-ranged chiral interactions are described by means of a simple pseudo-scalar potential which is appropriate for weak chiral forces of a predominant electrostatic origin. Based on the formalism proposed by Straley [Phys. Rev. A {\\bf 14}, 1835 (1976)] we derive explicit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.4172","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":"2026-05-18T02:13:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tihFyFL6zEn0r2oni8CtE++omrlcr4KSMO9StSgxogK7jN7udF0tVE1ebJlx+WqbfkydDD7+3qUkBmyc9VVXDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:38:04.737987Z"},"content_sha256":"da846e7d9b2a1e03f8687727f700ac1b73043751ecd0eeba7471b74f095f9011","schema_version":"1.0","event_id":"sha256:da846e7d9b2a1e03f8687727f700ac1b73043751ecd0eeba7471b74f095f9011"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OIKPVHL3GJPE3AOLTK4TB26FDU/bundle.json","state_url":"https://pith.science/pith/OIKPVHL3GJPE3AOLTK4TB26FDU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OIKPVHL3GJPE3AOLTK4TB26FDU/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":"2026-05-28T07:38:04Z","links":{"resolver":"https://pith.science/pith/OIKPVHL3GJPE3AOLTK4TB26FDU","bundle":"https://pith.science/pith/OIKPVHL3GJPE3AOLTK4TB26FDU/bundle.json","state":"https://pith.science/pith/OIKPVHL3GJPE3AOLTK4TB26FDU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OIKPVHL3GJPE3AOLTK4TB26FDU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:OIKPVHL3GJPE3AOLTK4TB26FDU","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":"1f844f1dafff6ba00fa3795fc33100cfec8aad2a9d64715f8e5d7757ca46b854","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2009-05-26T11:34:55Z","title_canon_sha256":"f1e67c01c22e78bb416e0d6043f80be7a8686075d3b90ade22463f5656061e2a"},"schema_version":"1.0","source":{"id":"0905.4172","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0905.4172","created_at":"2026-05-18T02:13:37Z"},{"alias_kind":"arxiv_version","alias_value":"0905.4172v1","created_at":"2026-05-18T02:13:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.4172","created_at":"2026-05-18T02:13:37Z"},{"alias_kind":"pith_short_12","alias_value":"OIKPVHL3GJPE","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"OIKPVHL3GJPE3AOL","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"OIKPVHL3","created_at":"2026-05-18T12:26:01Z"}],"graph_snapshots":[{"event_id":"sha256:da846e7d9b2a1e03f8687727f700ac1b73043751ecd0eeba7471b74f095f9011","target":"graph","created_at":"2026-05-18T02:13:37Z","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 present a generalized van der Waals theory for a lyotropic cholesteric system of chiral spherocylinders based on the classical Onsager theory for hard anisometric bodies. The rods consist of a hard spherocylindrical backbone surrounded with a square-well potential to account for attractive (or soft repulsive) interactions. Long-ranged chiral interactions are described by means of a simple pseudo-scalar potential which is appropriate for weak chiral forces of a predominant electrostatic origin. Based on the formalism proposed by Straley [Phys. Rev. A {\\bf 14}, 1835 (1976)] we derive explicit","authors_text":"G. Jackson, H. H. Wensink","cross_cats":["cond-mat.stat-mech"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2009-05-26T11:34:55Z","title":"Generalized van der Waals theory for the twist elastic modulus and helical pitch of cholesterics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.4172","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":"sha256:57285b9c98ce354ee5a8e84bfddac0242fdb18ce809cd88598adcdb7f7897856","target":"record","created_at":"2026-05-18T02:13:37Z","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":"1f844f1dafff6ba00fa3795fc33100cfec8aad2a9d64715f8e5d7757ca46b854","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2009-05-26T11:34:55Z","title_canon_sha256":"f1e67c01c22e78bb416e0d6043f80be7a8686075d3b90ade22463f5656061e2a"},"schema_version":"1.0","source":{"id":"0905.4172","kind":"arxiv","version":1}},"canonical_sha256":"7214fa9d7b325e4d81cb9ab930ebc51d3492c7c921572f19075cd11891b77947","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7214fa9d7b325e4d81cb9ab930ebc51d3492c7c921572f19075cd11891b77947","first_computed_at":"2026-05-18T02:13:37.509453Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:13:37.509453Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RNdBZx7eBOloZ/vR/iJfOe0qF5rsMdDq2rF+wHSQdP91QZQkYrfVizIReCvoJ8/DbFOqJyWkzToueTXZOW8wBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:13:37.509992Z","signed_message":"canonical_sha256_bytes"},"source_id":"0905.4172","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:57285b9c98ce354ee5a8e84bfddac0242fdb18ce809cd88598adcdb7f7897856","sha256:da846e7d9b2a1e03f8687727f700ac1b73043751ecd0eeba7471b74f095f9011"],"state_sha256":"155c2c7029ffa808cf4e1cd12084e9a59bd3735e2454d677b2695e9d71629e5d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Cq0tvxElkpgy21y09RvCnRA3ZNmsv8PlGUgLZaxYySRkB1MsVznIogtEwOC30V9Gr6bVtWvRezd+3UmzqlzACw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T07:38:04.739973Z","bundle_sha256":"ac936d037d4a482d85d52c4fa14cd6108e8600f8b363cf703896926da66dda30"}}