{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:2FKYB4MGA4U7OVTORU3EKFPUDC","short_pith_number":"pith:2FKYB4MG","canonical_record":{"source":{"id":"1307.2469","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2013-07-09T14:25:58Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"0a4c36c4886b8126dd7771d8816ee78be83a8c9d7921d7443cbf03f70277770c","abstract_canon_sha256":"f4d9c8ebc95d218c73586fcf7f4b95abf185c6308efa43af6d780e52efc37a14"},"schema_version":"1.0"},"canonical_sha256":"d15580f1860729f7566e8d364515f4188a2c8a2e712f01d7be24b6bdc9a68964","source":{"kind":"arxiv","id":"1307.2469","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.2469","created_at":"2026-05-18T01:48:52Z"},{"alias_kind":"arxiv_version","alias_value":"1307.2469v1","created_at":"2026-05-18T01:48:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.2469","created_at":"2026-05-18T01:48:52Z"},{"alias_kind":"pith_short_12","alias_value":"2FKYB4MGA4U7","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"2FKYB4MGA4U7OVTO","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"2FKYB4MG","created_at":"2026-05-18T12:27:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:2FKYB4MGA4U7OVTORU3EKFPUDC","target":"record","payload":{"canonical_record":{"source":{"id":"1307.2469","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2013-07-09T14:25:58Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"0a4c36c4886b8126dd7771d8816ee78be83a8c9d7921d7443cbf03f70277770c","abstract_canon_sha256":"f4d9c8ebc95d218c73586fcf7f4b95abf185c6308efa43af6d780e52efc37a14"},"schema_version":"1.0"},"canonical_sha256":"d15580f1860729f7566e8d364515f4188a2c8a2e712f01d7be24b6bdc9a68964","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:48:52.871466Z","signature_b64":"hSC70LNZBUtijB0zj80uxrSm5AR8wR8brPJW9zrFzqS1Kl2gTA1twOD8e3qnWje86dNQVRU77jANLceJOiU9Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d15580f1860729f7566e8d364515f4188a2c8a2e712f01d7be24b6bdc9a68964","last_reissued_at":"2026-05-18T01:48:52.870927Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:48:52.870927Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1307.2469","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":"2026-05-18T01:48:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wl6lYY1qL+7hAjhSzd2vHw6x47SU2HWJ9rWn91E00Cm+yUI7NT/GCUwRg1WnpY32ntbVIbEYOQyA3eDEX6NnBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T06:09:37.959672Z"},"content_sha256":"3de7fb939c59ded762c8e43b85c397e9318a6abdd9f5ef1ce62498d8b6fdf61f","schema_version":"1.0","event_id":"sha256:3de7fb939c59ded762c8e43b85c397e9318a6abdd9f5ef1ce62498d8b6fdf61f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:2FKYB4MGA4U7OVTORU3EKFPUDC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Liquid-crystal patterns of rectangular particles in a square nanocavity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"cond-mat.soft","authors_text":"Enrique Velasco, Miguel Gonzalez-Pinto, Yuri Martinez-Raton","submitted_at":"2013-07-09T14:25:58Z","abstract_excerpt":"Using density-functional theory in the restricted-orientation approximation, we analyse the liquid-crystal patterns and phase behaviour of a fluid of hard rectangular particles confined in a two-dimensional square nanocavity of side length $H$ composed of hard inner walls. Patterning in the cavity is governed by surface-induced order, capillary and frustration effects, and depends on the relative values of particle aspect ratio $\\kappa\\equiv L/\\sigma$, with $L$ the length and $\\sigma$ the width of the rectangles ($L\\ge\\sigma$), and cavity size $H$. Ordering may be very different from bulk ($H\\"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.2469","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":"2026-05-18T01:48:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kpLWjiBWTPfmXOZruBi2b/logDrfwGR22B8ezdZcSHOOZFyJJP0hPcfGn5GWx01oUGhzpC/HSWTZTvwSenJACg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T06:09:37.960021Z"},"content_sha256":"9c92734ced666ca390559dcbb483e485de8e89bfd760d471afcfca84b76ebdb1","schema_version":"1.0","event_id":"sha256:9c92734ced666ca390559dcbb483e485de8e89bfd760d471afcfca84b76ebdb1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2FKYB4MGA4U7OVTORU3EKFPUDC/bundle.json","state_url":"https://pith.science/pith/2FKYB4MGA4U7OVTORU3EKFPUDC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2FKYB4MGA4U7OVTORU3EKFPUDC/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":"2026-06-04T06:09:37Z","links":{"resolver":"https://pith.science/pith/2FKYB4MGA4U7OVTORU3EKFPUDC","bundle":"https://pith.science/pith/2FKYB4MGA4U7OVTORU3EKFPUDC/bundle.json","state":"https://pith.science/pith/2FKYB4MGA4U7OVTORU3EKFPUDC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2FKYB4MGA4U7OVTORU3EKFPUDC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:2FKYB4MGA4U7OVTORU3EKFPUDC","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":"f4d9c8ebc95d218c73586fcf7f4b95abf185c6308efa43af6d780e52efc37a14","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2013-07-09T14:25:58Z","title_canon_sha256":"0a4c36c4886b8126dd7771d8816ee78be83a8c9d7921d7443cbf03f70277770c"},"schema_version":"1.0","source":{"id":"1307.2469","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.2469","created_at":"2026-05-18T01:48:52Z"},{"alias_kind":"arxiv_version","alias_value":"1307.2469v1","created_at":"2026-05-18T01:48:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.2469","created_at":"2026-05-18T01:48:52Z"},{"alias_kind":"pith_short_12","alias_value":"2FKYB4MGA4U7","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"2FKYB4MGA4U7OVTO","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"2FKYB4MG","created_at":"2026-05-18T12:27:30Z"}],"graph_snapshots":[{"event_id":"sha256:9c92734ced666ca390559dcbb483e485de8e89bfd760d471afcfca84b76ebdb1","target":"graph","created_at":"2026-05-18T01:48:52Z","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":"Using density-functional theory in the restricted-orientation approximation, we analyse the liquid-crystal patterns and phase behaviour of a fluid of hard rectangular particles confined in a two-dimensional square nanocavity of side length $H$ composed of hard inner walls. Patterning in the cavity is governed by surface-induced order, capillary and frustration effects, and depends on the relative values of particle aspect ratio $\\kappa\\equiv L/\\sigma$, with $L$ the length and $\\sigma$ the width of the rectangles ($L\\ge\\sigma$), and cavity size $H$. Ordering may be very different from bulk ($H\\","authors_text":"Enrique Velasco, Miguel Gonzalez-Pinto, Yuri Martinez-Raton","cross_cats":["cond-mat.stat-mech"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2013-07-09T14:25:58Z","title":"Liquid-crystal patterns of rectangular particles in a square nanocavity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.2469","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":"sha256:3de7fb939c59ded762c8e43b85c397e9318a6abdd9f5ef1ce62498d8b6fdf61f","target":"record","created_at":"2026-05-18T01:48:52Z","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":"f4d9c8ebc95d218c73586fcf7f4b95abf185c6308efa43af6d780e52efc37a14","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2013-07-09T14:25:58Z","title_canon_sha256":"0a4c36c4886b8126dd7771d8816ee78be83a8c9d7921d7443cbf03f70277770c"},"schema_version":"1.0","source":{"id":"1307.2469","kind":"arxiv","version":1}},"canonical_sha256":"d15580f1860729f7566e8d364515f4188a2c8a2e712f01d7be24b6bdc9a68964","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d15580f1860729f7566e8d364515f4188a2c8a2e712f01d7be24b6bdc9a68964","first_computed_at":"2026-05-18T01:48:52.870927Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:48:52.870927Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hSC70LNZBUtijB0zj80uxrSm5AR8wR8brPJW9zrFzqS1Kl2gTA1twOD8e3qnWje86dNQVRU77jANLceJOiU9Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:48:52.871466Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.2469","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3de7fb939c59ded762c8e43b85c397e9318a6abdd9f5ef1ce62498d8b6fdf61f","sha256:9c92734ced666ca390559dcbb483e485de8e89bfd760d471afcfca84b76ebdb1"],"state_sha256":"d7c4d9b648c1a47b57e9d67e271c4916e0595e16000e681a711128e93771e02a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zqSQXhi0tVgp9FTy33x7vmIhvSFi17Q7VUPXA37SdZKw8+YAXAD2cqy+j8qyhwTcIg1sTkUV6FzcQT/HpUL5DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T06:09:37.962361Z","bundle_sha256":"5347598330033a9236a1de2e29188329ceed67ad1ae7c4b70c0c866b8c2364b5"}}