{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:KVOGGH67KTH2E62O24HZO6DMEO","short_pith_number":"pith:KVOGGH67","schema_version":"1.0","canonical_sha256":"555c631fdf54cfa27b4ed70f97786c23af18e3580aef786da8cc26c2a2f7b8ff","source":{"kind":"arxiv","id":"1602.07823","version":1},"attestation_state":"computed","paper":{"title":"Generation of nonlinear vortex precursors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Chengpu Liu, Xun-Li Feng, Yue-Yue Chen","submitted_at":"2016-02-25T07:10:28Z","abstract_excerpt":"We numerically study the propagation of a few-cycle pulse carrying orbital angular momentum (OAM) through a dense atomic system. Nonlinear precursors consisting of high-order vortex har- monics are generated in the transmitted field due to ultrafast Bloch oscillation. The nonlinear precursors survive to propagation effects and are well separated with the main pulse, which provide a straightforward way of measuring precursors. By the virtue of carrying high-order OAM, the obtained vortex precursors as information carriers have potential applications in optical informa- tion and communication fi"},"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":"1602.07823","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-02-25T07:10:28Z","cross_cats_sorted":[],"title_canon_sha256":"001ecd62791fea9d2e13c09f49e5cc204cd08c6891bd4e0c2a31a7f4ba19f5c8","abstract_canon_sha256":"dd803771c7f53e01731a270d0bd2182c0f9ac77389c50d259e789a443bb02368"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:11:12.673967Z","signature_b64":"r8pbK3Y0Bk0rLAzUxrQR+mtvs/L6FIEGRj/l5OoXiItOYcBG1bEgvd5/5LMpAFDsoeYTLk8ugxSLydRVRzykBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"555c631fdf54cfa27b4ed70f97786c23af18e3580aef786da8cc26c2a2f7b8ff","last_reissued_at":"2026-05-18T01:11:12.673448Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:11:12.673448Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Generation of nonlinear vortex precursors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Chengpu Liu, Xun-Li Feng, Yue-Yue Chen","submitted_at":"2016-02-25T07:10:28Z","abstract_excerpt":"We numerically study the propagation of a few-cycle pulse carrying orbital angular momentum (OAM) through a dense atomic system. Nonlinear precursors consisting of high-order vortex har- monics are generated in the transmitted field due to ultrafast Bloch oscillation. The nonlinear precursors survive to propagation effects and are well separated with the main pulse, which provide a straightforward way of measuring precursors. By the virtue of carrying high-order OAM, the obtained vortex precursors as information carriers have potential applications in optical informa- tion and communication fi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.07823","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":"1602.07823","created_at":"2026-05-18T01:11:12.673521+00:00"},{"alias_kind":"arxiv_version","alias_value":"1602.07823v1","created_at":"2026-05-18T01:11:12.673521+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.07823","created_at":"2026-05-18T01:11:12.673521+00:00"},{"alias_kind":"pith_short_12","alias_value":"KVOGGH67KTH2","created_at":"2026-05-18T12:30:29.479603+00:00"},{"alias_kind":"pith_short_16","alias_value":"KVOGGH67KTH2E62O","created_at":"2026-05-18T12:30:29.479603+00:00"},{"alias_kind":"pith_short_8","alias_value":"KVOGGH67","created_at":"2026-05-18T12:30:29.479603+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/KVOGGH67KTH2E62O24HZO6DMEO","json":"https://pith.science/pith/KVOGGH67KTH2E62O24HZO6DMEO.json","graph_json":"https://pith.science/api/pith-number/KVOGGH67KTH2E62O24HZO6DMEO/graph.json","events_json":"https://pith.science/api/pith-number/KVOGGH67KTH2E62O24HZO6DMEO/events.json","paper":"https://pith.science/paper/KVOGGH67"},"agent_actions":{"view_html":"https://pith.science/pith/KVOGGH67KTH2E62O24HZO6DMEO","download_json":"https://pith.science/pith/KVOGGH67KTH2E62O24HZO6DMEO.json","view_paper":"https://pith.science/paper/KVOGGH67","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1602.07823&json=true","fetch_graph":"https://pith.science/api/pith-number/KVOGGH67KTH2E62O24HZO6DMEO/graph.json","fetch_events":"https://pith.science/api/pith-number/KVOGGH67KTH2E62O24HZO6DMEO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KVOGGH67KTH2E62O24HZO6DMEO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KVOGGH67KTH2E62O24HZO6DMEO/action/storage_attestation","attest_author":"https://pith.science/pith/KVOGGH67KTH2E62O24HZO6DMEO/action/author_attestation","sign_citation":"https://pith.science/pith/KVOGGH67KTH2E62O24HZO6DMEO/action/citation_signature","submit_replication":"https://pith.science/pith/KVOGGH67KTH2E62O24HZO6DMEO/action/replication_record"}},"created_at":"2026-05-18T01:11:12.673521+00:00","updated_at":"2026-05-18T01:11:12.673521+00:00"}