{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:24PEBRZRXWKP36R36TIYLLMLOA","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"05b308d287cfec66365d54465b17a4d255b67cf8f64b8e94f3f2aa7f848de36a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-09-02T07:46:58Z","title_canon_sha256":"d765ebe92a6a21937014bf7950bc7cede33d86d5c4c5dc7b6850bde16d5c3b8e"},"schema_version":"1.0","source":{"id":"1109.0376","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.0376","created_at":"2026-05-18T04:10:11Z"},{"alias_kind":"arxiv_version","alias_value":"1109.0376v1","created_at":"2026-05-18T04:10:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.0376","created_at":"2026-05-18T04:10:11Z"},{"alias_kind":"pith_short_12","alias_value":"24PEBRZRXWKP","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"24PEBRZRXWKP36R3","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"24PEBRZR","created_at":"2026-05-18T12:26:18Z"}],"graph_snapshots":[{"event_id":"sha256:4a3e319b3d6a774b4b0b8b03a123c7499f36c67fd22c505fefffe28fab702486","target":"graph","created_at":"2026-05-18T04:10:11Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"When ultrafast noncritical cascaded second-harmonic generation of energetic femtosecond pulses occur in a bulk lithium niobate crystal optical Cherenkov waves are formed in the near- to mid-IR. Numerical simulations show that the few-cycle solitons radiate Cherenkov (dispersive) waves in the $\\lambda=2.2-4.5\\mic$ range when pumping at $\\lambda_1=1.2-1.8\\mic$. The exact phase-matching point depends on the soliton wavelength, and we show that a simple longpass filter can separate the Cherenkov waves from the solitons. The Cherenkov waves are born few-cycle with an excellent Gaussian pulse shape,","authors_text":"B.B. Zhou, F.W. Wise, J. Moses, M. Bache, O. Bang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-09-02T07:46:58Z","title":"Optical Cherenkov radiation by cascaded nonlinear interaction: an efficient source of few-cycle energetic near- to mid-IR pulses"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.0376","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:7fc6b9fa052cdff3a4c4a46ce579953cb31f761402242cddfb6efeedb93250c9","target":"record","created_at":"2026-05-18T04:10:11Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"05b308d287cfec66365d54465b17a4d255b67cf8f64b8e94f3f2aa7f848de36a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-09-02T07:46:58Z","title_canon_sha256":"d765ebe92a6a21937014bf7950bc7cede33d86d5c4c5dc7b6850bde16d5c3b8e"},"schema_version":"1.0","source":{"id":"1109.0376","kind":"arxiv","version":1}},"canonical_sha256":"d71e40c731bd94fdfa3bf4d185ad8b7035a110c05b8a6f6509b672097c77c453","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d71e40c731bd94fdfa3bf4d185ad8b7035a110c05b8a6f6509b672097c77c453","first_computed_at":"2026-05-18T04:10:11.921827Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:10:11.921827Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WiLFU9W02h4XhTyRwKcQLx811nGmR8u8YVySw2JcikcHgcKSBc6wOFEXRSZ55E/+ieBjjBZ63vbvuGVRCJPHCg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:10:11.922555Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.0376","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7fc6b9fa052cdff3a4c4a46ce579953cb31f761402242cddfb6efeedb93250c9","sha256:4a3e319b3d6a774b4b0b8b03a123c7499f36c67fd22c505fefffe28fab702486"],"state_sha256":"f37b03e85005b7e352eaeeb72b3b552a0c6dd964769ed9bda1fedbda2bd5df24"}