{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:JJMUNYOHCHTFMFOIYL7OXO2PPL","short_pith_number":"pith:JJMUNYOH","schema_version":"1.0","canonical_sha256":"4a5946e1c711e65615c8c2feebbb4f7adb40980bed4bf3516d5ba0801800d724","source":{"kind":"arxiv","id":"1310.0123","version":1},"attestation_state":"computed","paper":{"title":"Pitchfork Bifurcation and Zharov Splitting in Nonlinear Mid-infrared Photothermal Spectroscopy in a liquid crystal using a Quantum Cascade Laser","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Alket Mertiri, Hatice Altug, J. Mertz, L. D. Ziegler, M. K. Hong, P. Mehta, Shyamsunder Erramilli","submitted_at":"2013-10-01T02:27:03Z","abstract_excerpt":"We report on the mid-infrared nonlinear photothermal spectrum of the neat liquid crystal 4-Octyl-4'-Cyanobiphenyl (8CB) using a tunable Quantum Cascade Laser (QCL). The nonequilibrium steady state characterized by the nonlinear photothermal infrared response undergoes a supercritical pitchfork bifurcation. The bifurcation, observed in heterodyne two-color pump-probe detection, leads to ultrasharp nonlinear infrared spectra similar to those reported in the visible region. A systematic study of the peak splitting as function of absorbed infrared power shows the bifurcation has a critical exponen"},"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":"1310.0123","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-10-01T02:27:03Z","cross_cats_sorted":[],"title_canon_sha256":"5fecc6d2ebc759720c873d0c146f8c3bd13aa8dad9597d54607b32b76178ac0a","abstract_canon_sha256":"12afb23a9de7e69965ce48379bee9b73b7b3730c2507a2940cbd1db461402c0a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:11:45.538956Z","signature_b64":"Jory8FLR+R/Y/T27sW5WKzH2UPG/d2o9rLWxri6pij44clXLky298wsRWlrdGDDZ9ara0pqSJ9FfSPR+pQSaAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4a5946e1c711e65615c8c2feebbb4f7adb40980bed4bf3516d5ba0801800d724","last_reissued_at":"2026-05-18T03:11:45.538382Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:11:45.538382Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Pitchfork Bifurcation and Zharov Splitting in Nonlinear Mid-infrared Photothermal Spectroscopy in a liquid crystal using a Quantum Cascade Laser","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Alket Mertiri, Hatice Altug, J. Mertz, L. D. Ziegler, M. K. Hong, P. Mehta, Shyamsunder Erramilli","submitted_at":"2013-10-01T02:27:03Z","abstract_excerpt":"We report on the mid-infrared nonlinear photothermal spectrum of the neat liquid crystal 4-Octyl-4'-Cyanobiphenyl (8CB) using a tunable Quantum Cascade Laser (QCL). The nonequilibrium steady state characterized by the nonlinear photothermal infrared response undergoes a supercritical pitchfork bifurcation. The bifurcation, observed in heterodyne two-color pump-probe detection, leads to ultrasharp nonlinear infrared spectra similar to those reported in the visible region. A systematic study of the peak splitting as function of absorbed infrared power shows the bifurcation has a critical exponen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.0123","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1310.0123","created_at":"2026-05-18T03:11:45.538464+00:00"},{"alias_kind":"arxiv_version","alias_value":"1310.0123v1","created_at":"2026-05-18T03:11:45.538464+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.0123","created_at":"2026-05-18T03:11:45.538464+00:00"},{"alias_kind":"pith_short_12","alias_value":"JJMUNYOHCHTF","created_at":"2026-05-18T12:27:49.015174+00:00"},{"alias_kind":"pith_short_16","alias_value":"JJMUNYOHCHTFMFOI","created_at":"2026-05-18T12:27:49.015174+00:00"},{"alias_kind":"pith_short_8","alias_value":"JJMUNYOH","created_at":"2026-05-18T12:27:49.015174+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/JJMUNYOHCHTFMFOIYL7OXO2PPL","json":"https://pith.science/pith/JJMUNYOHCHTFMFOIYL7OXO2PPL.json","graph_json":"https://pith.science/api/pith-number/JJMUNYOHCHTFMFOIYL7OXO2PPL/graph.json","events_json":"https://pith.science/api/pith-number/JJMUNYOHCHTFMFOIYL7OXO2PPL/events.json","paper":"https://pith.science/paper/JJMUNYOH"},"agent_actions":{"view_html":"https://pith.science/pith/JJMUNYOHCHTFMFOIYL7OXO2PPL","download_json":"https://pith.science/pith/JJMUNYOHCHTFMFOIYL7OXO2PPL.json","view_paper":"https://pith.science/paper/JJMUNYOH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1310.0123&json=true","fetch_graph":"https://pith.science/api/pith-number/JJMUNYOHCHTFMFOIYL7OXO2PPL/graph.json","fetch_events":"https://pith.science/api/pith-number/JJMUNYOHCHTFMFOIYL7OXO2PPL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JJMUNYOHCHTFMFOIYL7OXO2PPL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JJMUNYOHCHTFMFOIYL7OXO2PPL/action/storage_attestation","attest_author":"https://pith.science/pith/JJMUNYOHCHTFMFOIYL7OXO2PPL/action/author_attestation","sign_citation":"https://pith.science/pith/JJMUNYOHCHTFMFOIYL7OXO2PPL/action/citation_signature","submit_replication":"https://pith.science/pith/JJMUNYOHCHTFMFOIYL7OXO2PPL/action/replication_record"}},"created_at":"2026-05-18T03:11:45.538464+00:00","updated_at":"2026-05-18T03:11:45.538464+00:00"}