{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:NLXTC3LLZCWRONY4QNORR5D6G4","short_pith_number":"pith:NLXTC3LL","schema_version":"1.0","canonical_sha256":"6aef316d6bc8ad17371c835d18f47e3736da92813da2fd720011b98b3b70dbcf","source":{"kind":"arxiv","id":"1902.09430","version":1},"attestation_state":"computed","paper":{"title":"A purely Kerr nonlinear model admitting flat-top solitons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nlin.PS"],"primary_cat":"physics.optics","authors_text":"Boris A. Malomed, Jianhua Zeng, Liangwei Zeng, Yaroslav V. Kartashov","submitted_at":"2019-02-25T16:46:10Z","abstract_excerpt":"We elaborate one- and two-dimensional (1D and 2D) models of media with self-repulsive cubic nonlinearity, whose local strength is subject to spatial modulation that admits the existence of flat-top solitons of various types, including fundamental ones, 1D multipoles, and 2D vortices. Previously, solitons of this type were only produced by models with competing nonlinearities. The present setting may be implemented in optics and Bose-Einstein condensates. The 1D version gives rise to an exact analytical solution for stable flat-top solitons, and generic families may be predicted by means of the"},"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":"1902.09430","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2019-02-25T16:46:10Z","cross_cats_sorted":["nlin.PS"],"title_canon_sha256":"2f97d9e9b5587ff5a4d3cdf7507bd3d5ad651d54c71d88d0fb1fe802aa7cdaf6","abstract_canon_sha256":"efc6396dc8eaa6b8ae7d2c88a88bc62e9326820d90116e62fa57d391ef73c4c8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:52:45.783488Z","signature_b64":"YerQDvAvGiNNGjs7XmVr3XveXybpRTEZ9fouWmiuEExmSOkIszjsjUR9pnrrYPfpDeCKlsY9MBBlN8KmlcpJBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6aef316d6bc8ad17371c835d18f47e3736da92813da2fd720011b98b3b70dbcf","last_reissued_at":"2026-05-17T23:52:45.782979Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:52:45.782979Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A purely Kerr nonlinear model admitting flat-top solitons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nlin.PS"],"primary_cat":"physics.optics","authors_text":"Boris A. Malomed, Jianhua Zeng, Liangwei Zeng, Yaroslav V. Kartashov","submitted_at":"2019-02-25T16:46:10Z","abstract_excerpt":"We elaborate one- and two-dimensional (1D and 2D) models of media with self-repulsive cubic nonlinearity, whose local strength is subject to spatial modulation that admits the existence of flat-top solitons of various types, including fundamental ones, 1D multipoles, and 2D vortices. Previously, solitons of this type were only produced by models with competing nonlinearities. The present setting may be implemented in optics and Bose-Einstein condensates. The 1D version gives rise to an exact analytical solution for stable flat-top solitons, and generic families may be predicted by means of the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.09430","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":"1902.09430","created_at":"2026-05-17T23:52:45.783059+00:00"},{"alias_kind":"arxiv_version","alias_value":"1902.09430v1","created_at":"2026-05-17T23:52:45.783059+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.09430","created_at":"2026-05-17T23:52:45.783059+00:00"},{"alias_kind":"pith_short_12","alias_value":"NLXTC3LLZCWR","created_at":"2026-05-18T12:33:24.271573+00:00"},{"alias_kind":"pith_short_16","alias_value":"NLXTC3LLZCWRONY4","created_at":"2026-05-18T12:33:24.271573+00:00"},{"alias_kind":"pith_short_8","alias_value":"NLXTC3LL","created_at":"2026-05-18T12:33:24.271573+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/NLXTC3LLZCWRONY4QNORR5D6G4","json":"https://pith.science/pith/NLXTC3LLZCWRONY4QNORR5D6G4.json","graph_json":"https://pith.science/api/pith-number/NLXTC3LLZCWRONY4QNORR5D6G4/graph.json","events_json":"https://pith.science/api/pith-number/NLXTC3LLZCWRONY4QNORR5D6G4/events.json","paper":"https://pith.science/paper/NLXTC3LL"},"agent_actions":{"view_html":"https://pith.science/pith/NLXTC3LLZCWRONY4QNORR5D6G4","download_json":"https://pith.science/pith/NLXTC3LLZCWRONY4QNORR5D6G4.json","view_paper":"https://pith.science/paper/NLXTC3LL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1902.09430&json=true","fetch_graph":"https://pith.science/api/pith-number/NLXTC3LLZCWRONY4QNORR5D6G4/graph.json","fetch_events":"https://pith.science/api/pith-number/NLXTC3LLZCWRONY4QNORR5D6G4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NLXTC3LLZCWRONY4QNORR5D6G4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NLXTC3LLZCWRONY4QNORR5D6G4/action/storage_attestation","attest_author":"https://pith.science/pith/NLXTC3LLZCWRONY4QNORR5D6G4/action/author_attestation","sign_citation":"https://pith.science/pith/NLXTC3LLZCWRONY4QNORR5D6G4/action/citation_signature","submit_replication":"https://pith.science/pith/NLXTC3LLZCWRONY4QNORR5D6G4/action/replication_record"}},"created_at":"2026-05-17T23:52:45.783059+00:00","updated_at":"2026-05-17T23:52:45.783059+00:00"}