{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:AL5ZLPC244TURCFSB6NU5EZBDG","short_pith_number":"pith:AL5ZLPC2","canonical_record":{"source":{"id":"1401.6301","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2014-01-24T10:07:25Z","cross_cats_sorted":[],"title_canon_sha256":"84414a57983d40b370e8cd43b5c2dff09362f12e8236b02759deda1847c098a4","abstract_canon_sha256":"ce5e39cb6ce70aea830fbcdc7f06645b44525b682723bb74b44d7fda48778414"},"schema_version":"1.0"},"canonical_sha256":"02fb95bc5ae7274888b20f9b4e932119b891ffe41b34f9eb4576799a57c0896e","source":{"kind":"arxiv","id":"1401.6301","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.6301","created_at":"2026-05-18T02:30:32Z"},{"alias_kind":"arxiv_version","alias_value":"1401.6301v2","created_at":"2026-05-18T02:30:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.6301","created_at":"2026-05-18T02:30:32Z"},{"alias_kind":"pith_short_12","alias_value":"AL5ZLPC244TU","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"AL5ZLPC244TURCFS","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"AL5ZLPC2","created_at":"2026-05-18T12:28:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:AL5ZLPC244TURCFSB6NU5EZBDG","target":"record","payload":{"canonical_record":{"source":{"id":"1401.6301","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2014-01-24T10:07:25Z","cross_cats_sorted":[],"title_canon_sha256":"84414a57983d40b370e8cd43b5c2dff09362f12e8236b02759deda1847c098a4","abstract_canon_sha256":"ce5e39cb6ce70aea830fbcdc7f06645b44525b682723bb74b44d7fda48778414"},"schema_version":"1.0"},"canonical_sha256":"02fb95bc5ae7274888b20f9b4e932119b891ffe41b34f9eb4576799a57c0896e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:30:32.267510Z","signature_b64":"arteAvY1eh7wJ9MW4m2dZ+KZo6CLOd8S9yIigV5VwR46m1P8YlfZzRKgMmf+mgRJCRgAbR/+dJQMMLRW/zIiDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"02fb95bc5ae7274888b20f9b4e932119b891ffe41b34f9eb4576799a57c0896e","last_reissued_at":"2026-05-18T02:30:32.266880Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:30:32.266880Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.6301","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:30:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h2mrxbHRle3DWO8XdllCSIWNf7sJOw5qQadE9ACLv3dRl+stGTHrRf9QomuGQd+MkDap+T2+ijUzksTJR3GwBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T16:35:03.479148Z"},"content_sha256":"d8efd6c6740e48d01460e21433bb10c89bad5cc2741c642d4d37f8f14a814f3c","schema_version":"1.0","event_id":"sha256:d8efd6c6740e48d01460e21433bb10c89bad5cc2741c642d4d37f8f14a814f3c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:AL5ZLPC244TURCFSB6NU5EZBDG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Crossover from a Kosterlitz-Thouless to a discontinuous phase transition in two-dimensional liquid crystals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"Richard L. C. Vink","submitted_at":"2014-01-24T10:07:25Z","abstract_excerpt":"Liquid crystals in two dimensions do not support long-ranged nematic order, but a quasi-nematic phase where the orientational correlations decay algebraically is possible. The transition from the isotropic to the quasi-nematic phase can be continuous of the Kosterlitz-Thouless type, or it can be first-order. We report here on a liquid crystal model where the nature of the isotropic to quasi-nematic transition can be tuned via a single parameter $p$ in the pair potential. For $p<p_t$, the transition is of the Kosterlitz-Thouless type, while for $p>p_t$ it is first-order. Precisely at $p=p_t$, t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.6301","kind":"arxiv","version":2},"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":"2026-05-18T02:30:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YY5dpiCc1N05+rkSrDGFhB0Occ6DwwhYEiix9MgQWbDIDgsoOVCGP6JukMaFIGj/9br8zZPziyH2t1kt868mDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T16:35:03.479735Z"},"content_sha256":"d0a3453850e9e2a54a6336eb2cd89e693cffe2e5e0864574e4a70241ef10c7a9","schema_version":"1.0","event_id":"sha256:d0a3453850e9e2a54a6336eb2cd89e693cffe2e5e0864574e4a70241ef10c7a9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AL5ZLPC244TURCFSB6NU5EZBDG/bundle.json","state_url":"https://pith.science/pith/AL5ZLPC244TURCFSB6NU5EZBDG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AL5ZLPC244TURCFSB6NU5EZBDG/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":"2026-06-23T16:35:03Z","links":{"resolver":"https://pith.science/pith/AL5ZLPC244TURCFSB6NU5EZBDG","bundle":"https://pith.science/pith/AL5ZLPC244TURCFSB6NU5EZBDG/bundle.json","state":"https://pith.science/pith/AL5ZLPC244TURCFSB6NU5EZBDG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AL5ZLPC244TURCFSB6NU5EZBDG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:AL5ZLPC244TURCFSB6NU5EZBDG","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":"ce5e39cb6ce70aea830fbcdc7f06645b44525b682723bb74b44d7fda48778414","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2014-01-24T10:07:25Z","title_canon_sha256":"84414a57983d40b370e8cd43b5c2dff09362f12e8236b02759deda1847c098a4"},"schema_version":"1.0","source":{"id":"1401.6301","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.6301","created_at":"2026-05-18T02:30:32Z"},{"alias_kind":"arxiv_version","alias_value":"1401.6301v2","created_at":"2026-05-18T02:30:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.6301","created_at":"2026-05-18T02:30:32Z"},{"alias_kind":"pith_short_12","alias_value":"AL5ZLPC244TU","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"AL5ZLPC244TURCFS","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"AL5ZLPC2","created_at":"2026-05-18T12:28:19Z"}],"graph_snapshots":[{"event_id":"sha256:d0a3453850e9e2a54a6336eb2cd89e693cffe2e5e0864574e4a70241ef10c7a9","target":"graph","created_at":"2026-05-18T02:30:32Z","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":"Liquid crystals in two dimensions do not support long-ranged nematic order, but a quasi-nematic phase where the orientational correlations decay algebraically is possible. The transition from the isotropic to the quasi-nematic phase can be continuous of the Kosterlitz-Thouless type, or it can be first-order. We report here on a liquid crystal model where the nature of the isotropic to quasi-nematic transition can be tuned via a single parameter $p$ in the pair potential. For $p<p_t$, the transition is of the Kosterlitz-Thouless type, while for $p>p_t$ it is first-order. Precisely at $p=p_t$, t","authors_text":"Richard L. C. Vink","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2014-01-24T10:07:25Z","title":"Crossover from a Kosterlitz-Thouless to a discontinuous phase transition in two-dimensional liquid crystals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.6301","kind":"arxiv","version":2},"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:d8efd6c6740e48d01460e21433bb10c89bad5cc2741c642d4d37f8f14a814f3c","target":"record","created_at":"2026-05-18T02:30:32Z","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":"ce5e39cb6ce70aea830fbcdc7f06645b44525b682723bb74b44d7fda48778414","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2014-01-24T10:07:25Z","title_canon_sha256":"84414a57983d40b370e8cd43b5c2dff09362f12e8236b02759deda1847c098a4"},"schema_version":"1.0","source":{"id":"1401.6301","kind":"arxiv","version":2}},"canonical_sha256":"02fb95bc5ae7274888b20f9b4e932119b891ffe41b34f9eb4576799a57c0896e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"02fb95bc5ae7274888b20f9b4e932119b891ffe41b34f9eb4576799a57c0896e","first_computed_at":"2026-05-18T02:30:32.266880Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:30:32.266880Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"arteAvY1eh7wJ9MW4m2dZ+KZo6CLOd8S9yIigV5VwR46m1P8YlfZzRKgMmf+mgRJCRgAbR/+dJQMMLRW/zIiDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:30:32.267510Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.6301","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d8efd6c6740e48d01460e21433bb10c89bad5cc2741c642d4d37f8f14a814f3c","sha256:d0a3453850e9e2a54a6336eb2cd89e693cffe2e5e0864574e4a70241ef10c7a9"],"state_sha256":"7db813625a702b2f9425c2a482b2d9580e623ad3143b01b97fdbb7c1a2283cb3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H9rNFgg/kknqSjdJYbZKt1stksviB8fPeCXVP56hexEe32ADX+WJvdB95k/WKlrJYXZSdymVy8PQpojpE8TQDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T16:35:03.482566Z","bundle_sha256":"a0b18c03adcd3fed1408e8c4375b8824ec623efc732de22d2558257fe7f2838a"}}