{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1998:74VBW7XFU4UXR7UYEM7HZV7HVR","short_pith_number":"pith:74VBW7XF","schema_version":"1.0","canonical_sha256":"ff2a1b7ee5a72978fe98233e7cd7e7ac4c1f4e0cd945dd93ed63b37ab0c5e039","source":{"kind":"arxiv","id":"hep-ph/9805502","version":2},"attestation_state":"computed","paper":{"title":"Observing Correlated Production of Defects-Antidefects in Liquid Crystals","license":"","headline":"","cross_cats":["cond-mat","hep-th"],"primary_cat":"hep-ph","authors_text":"Ajit M. Srivastava, Rajarshi Ray, Sanatan Digal","submitted_at":"1998-05-29T11:51:13Z","abstract_excerpt":"We present observations of strength one defects and antidefects formed in isotropic-nematic phase transition in a thin layer of nematic liquid crystals, using a cross-polarizer setup. We measure the widths of the distributions of {\\it net} winding number in small regions, and determine the exponent characterizing the correlation between defects and antidefects to be 0.26$\\pm$0.11, in very good agreement with the value 1/4 predicted by the Kibble mechanism for defect production. We also describe a novel technique to determine the director distribution in observations of defect networks."},"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":"hep-ph/9805502","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1998-05-29T11:51:13Z","cross_cats_sorted":["cond-mat","hep-th"],"title_canon_sha256":"95e54faa79ba2e4b4cf4881b9eae0f91583e352c9255b7f5d9bfbb434107a6ec","abstract_canon_sha256":"b1ad6f1b9e80905200ae88964efd58fe514da957e829bfe3d6a612705dac7001"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:09:16.915040Z","signature_b64":"ZBmAoKZYiLEFt9AIODhOJg86renzKTtC5OKPvIE9zzwRjBW6b5qZonFQDdp9YLjt+AJjYUVMQ0SV1okFZfoVAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ff2a1b7ee5a72978fe98233e7cd7e7ac4c1f4e0cd945dd93ed63b37ab0c5e039","last_reissued_at":"2026-07-04T16:09:16.914662Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:09:16.914662Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Observing Correlated Production of Defects-Antidefects in Liquid Crystals","license":"","headline":"","cross_cats":["cond-mat","hep-th"],"primary_cat":"hep-ph","authors_text":"Ajit M. Srivastava, Rajarshi Ray, Sanatan Digal","submitted_at":"1998-05-29T11:51:13Z","abstract_excerpt":"We present observations of strength one defects and antidefects formed in isotropic-nematic phase transition in a thin layer of nematic liquid crystals, using a cross-polarizer setup. We measure the widths of the distributions of {\\it net} winding number in small regions, and determine the exponent characterizing the correlation between defects and antidefects to be 0.26$\\pm$0.11, in very good agreement with the value 1/4 predicted by the Kibble mechanism for defect production. We also describe a novel technique to determine the director distribution in observations of defect networks."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9805502","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-ph/9805502/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"hep-ph/9805502","created_at":"2026-07-04T16:09:16.914717+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9805502v2","created_at":"2026-07-04T16:09:16.914717+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9805502","created_at":"2026-07-04T16:09:16.914717+00:00"},{"alias_kind":"pith_short_12","alias_value":"74VBW7XFU4UX","created_at":"2026-07-04T16:09:16.914717+00:00"},{"alias_kind":"pith_short_16","alias_value":"74VBW7XFU4UXR7UY","created_at":"2026-07-04T16:09:16.914717+00:00"},{"alias_kind":"pith_short_8","alias_value":"74VBW7XF","created_at":"2026-07-04T16:09:16.914717+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2606.00163","citing_title":"Phase separation seeded by Z2 and U(1) topological defects from holography","ref_index":7,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/74VBW7XFU4UXR7UYEM7HZV7HVR","json":"https://pith.science/pith/74VBW7XFU4UXR7UYEM7HZV7HVR.json","graph_json":"https://pith.science/api/pith-number/74VBW7XFU4UXR7UYEM7HZV7HVR/graph.json","events_json":"https://pith.science/api/pith-number/74VBW7XFU4UXR7UYEM7HZV7HVR/events.json","paper":"https://pith.science/paper/74VBW7XF"},"agent_actions":{"view_html":"https://pith.science/pith/74VBW7XFU4UXR7UYEM7HZV7HVR","download_json":"https://pith.science/pith/74VBW7XFU4UXR7UYEM7HZV7HVR.json","view_paper":"https://pith.science/paper/74VBW7XF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ph/9805502&json=true","fetch_graph":"https://pith.science/api/pith-number/74VBW7XFU4UXR7UYEM7HZV7HVR/graph.json","fetch_events":"https://pith.science/api/pith-number/74VBW7XFU4UXR7UYEM7HZV7HVR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/74VBW7XFU4UXR7UYEM7HZV7HVR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/74VBW7XFU4UXR7UYEM7HZV7HVR/action/storage_attestation","attest_author":"https://pith.science/pith/74VBW7XFU4UXR7UYEM7HZV7HVR/action/author_attestation","sign_citation":"https://pith.science/pith/74VBW7XFU4UXR7UYEM7HZV7HVR/action/citation_signature","submit_replication":"https://pith.science/pith/74VBW7XFU4UXR7UYEM7HZV7HVR/action/replication_record"}},"created_at":"2026-07-04T16:09:16.914717+00:00","updated_at":"2026-07-04T16:09:16.914717+00:00"}