{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:CSBV5LQTV6TRDMW5KD3ZOZVO2P","short_pith_number":"pith:CSBV5LQT","schema_version":"1.0","canonical_sha256":"14835eae13afa711b2dd50f79766aed3e516341fd57d663dac3a97fb39fdc568","source":{"kind":"arxiv","id":"0904.0269","version":2},"attestation_state":"computed","paper":{"title":"Critical exponents and universality for the isotropic-nematic phase transition in a system of self-assembled rigid rods on a lattice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"A. J. Ramirez-Pastor, D. H. Linares, L. G. L\\'opez","submitted_at":"2009-04-01T22:25:36Z","abstract_excerpt":"Monte Carlo simulations have been carried out for a system of monomers on square lattices that, by decreasing temperature or increasing density, polymerize reversibly into chains with two allowed directions and, at the same time, undergo a continuous isotropic-nematic (I-N) transition. The results show that the self-assembly process affects the nature of the transition. Thus, the determination of the critical exponents indicates that the universality class of the I-N transition changes from two-dimensional Ising-type for monodisperse rods without self-assembly to q=1 Potts-type for self-assemb"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"0904.0269","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2009-04-01T22:25:36Z","cross_cats_sorted":[],"title_canon_sha256":"c87fc6553fa767ba19347da02b3448371fc2917aa24106754967dca5bddc7490","abstract_canon_sha256":"625fd3d4ce993169469f9fa9a9fabe113cf69facebddff6a407fc4efc5bf9d22"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:14:08.124256Z","signature_b64":"KSlWq7+TKWYszfrVbyNabXAUxAEZcFG2a3FGv6PwkW+tT0mHFztNc6c3qpQAAxAA8GJU7pGVHLrt107FapuKAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"14835eae13afa711b2dd50f79766aed3e516341fd57d663dac3a97fb39fdc568","last_reissued_at":"2026-05-18T02:14:08.123662Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:14:08.123662Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Critical exponents and universality for the isotropic-nematic phase transition in a system of self-assembled rigid rods on a lattice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"A. J. Ramirez-Pastor, D. H. Linares, L. G. L\\'opez","submitted_at":"2009-04-01T22:25:36Z","abstract_excerpt":"Monte Carlo simulations have been carried out for a system of monomers on square lattices that, by decreasing temperature or increasing density, polymerize reversibly into chains with two allowed directions and, at the same time, undergo a continuous isotropic-nematic (I-N) transition. The results show that the self-assembly process affects the nature of the transition. Thus, the determination of the critical exponents indicates that the universality class of the I-N transition changes from two-dimensional Ising-type for monodisperse rods without self-assembly to q=1 Potts-type for self-assemb"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.0269","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"0904.0269","created_at":"2026-05-18T02:14:08.123747+00:00"},{"alias_kind":"arxiv_version","alias_value":"0904.0269v2","created_at":"2026-05-18T02:14:08.123747+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.0269","created_at":"2026-05-18T02:14:08.123747+00:00"},{"alias_kind":"pith_short_12","alias_value":"CSBV5LQTV6TR","created_at":"2026-05-18T12:25:59.703012+00:00"},{"alias_kind":"pith_short_16","alias_value":"CSBV5LQTV6TRDMW5","created_at":"2026-05-18T12:25:59.703012+00:00"},{"alias_kind":"pith_short_8","alias_value":"CSBV5LQT","created_at":"2026-05-18T12:25:59.703012+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/CSBV5LQTV6TRDMW5KD3ZOZVO2P","json":"https://pith.science/pith/CSBV5LQTV6TRDMW5KD3ZOZVO2P.json","graph_json":"https://pith.science/api/pith-number/CSBV5LQTV6TRDMW5KD3ZOZVO2P/graph.json","events_json":"https://pith.science/api/pith-number/CSBV5LQTV6TRDMW5KD3ZOZVO2P/events.json","paper":"https://pith.science/paper/CSBV5LQT"},"agent_actions":{"view_html":"https://pith.science/pith/CSBV5LQTV6TRDMW5KD3ZOZVO2P","download_json":"https://pith.science/pith/CSBV5LQTV6TRDMW5KD3ZOZVO2P.json","view_paper":"https://pith.science/paper/CSBV5LQT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0904.0269&json=true","fetch_graph":"https://pith.science/api/pith-number/CSBV5LQTV6TRDMW5KD3ZOZVO2P/graph.json","fetch_events":"https://pith.science/api/pith-number/CSBV5LQTV6TRDMW5KD3ZOZVO2P/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CSBV5LQTV6TRDMW5KD3ZOZVO2P/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CSBV5LQTV6TRDMW5KD3ZOZVO2P/action/storage_attestation","attest_author":"https://pith.science/pith/CSBV5LQTV6TRDMW5KD3ZOZVO2P/action/author_attestation","sign_citation":"https://pith.science/pith/CSBV5LQTV6TRDMW5KD3ZOZVO2P/action/citation_signature","submit_replication":"https://pith.science/pith/CSBV5LQTV6TRDMW5KD3ZOZVO2P/action/replication_record"}},"created_at":"2026-05-18T02:14:08.123747+00:00","updated_at":"2026-05-18T02:14:08.123747+00:00"}