{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:ETZU2EZGA4WXOX43V5TF37UVA6","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":"9b88624e272d8c6334219b5b62dfdf593caecb19eb3933a61e419864faecad7a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-10-28T01:08:39Z","title_canon_sha256":"cea77ef4fccfbfe44cbb7d6e914b2ec230671120294885467b1fe9e988e05102"},"schema_version":"1.0","source":{"id":"1410.7479","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.7479","created_at":"2026-05-18T02:39:17Z"},{"alias_kind":"arxiv_version","alias_value":"1410.7479v1","created_at":"2026-05-18T02:39:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.7479","created_at":"2026-05-18T02:39:17Z"},{"alias_kind":"pith_short_12","alias_value":"ETZU2EZGA4WX","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"ETZU2EZGA4WXOX43","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"ETZU2EZG","created_at":"2026-05-18T12:28:28Z"}],"graph_snapshots":[{"event_id":"sha256:5b6a1ecfa4541b12702b2d03f0a425fa9d0838d20144470fd13efd7ad7421ceb","target":"graph","created_at":"2026-05-18T02:39:17Z","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":"We study the bichromatic driving of a two-level system which displays long-lived coherent population oscillations (CPO). We show that under certain conditions, multiphoton parametric interaction leads to the appearance of CPO resonances at the subharmonic frequencies. In addition, in the region of the CPO resonances, there is strong parametric interaction between the weak sideband components of the electromagnetic field.","authors_text":"Arlene Wilson-Gordon, A. V. Sharypov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-10-28T01:08:39Z","title":"Multiphoton coherent population oscillation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.7479","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":"sha256:1f0579537f18f941ee2dc4fcaaac4f8cc64ad31755ba2028e9ec51ce40cca50c","target":"record","created_at":"2026-05-18T02:39:17Z","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":"9b88624e272d8c6334219b5b62dfdf593caecb19eb3933a61e419864faecad7a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-10-28T01:08:39Z","title_canon_sha256":"cea77ef4fccfbfe44cbb7d6e914b2ec230671120294885467b1fe9e988e05102"},"schema_version":"1.0","source":{"id":"1410.7479","kind":"arxiv","version":1}},"canonical_sha256":"24f34d1326072d775f9baf665dfe95079a2c63a5a0dde32f6b23568bc2cf45e1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"24f34d1326072d775f9baf665dfe95079a2c63a5a0dde32f6b23568bc2cf45e1","first_computed_at":"2026-05-18T02:39:17.038225Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:39:17.038225Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vhSSd9PWSMjAtl+nht8cpIkb/GxSMUVuqFNW1QZ4PjsX7tYmVFENpknWC0yjGwJi7mHIuc8Tzf+5VJkLrX9yCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:39:17.038643Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.7479","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1f0579537f18f941ee2dc4fcaaac4f8cc64ad31755ba2028e9ec51ce40cca50c","sha256:5b6a1ecfa4541b12702b2d03f0a425fa9d0838d20144470fd13efd7ad7421ceb"],"state_sha256":"8c688f34933fdd5b609e83c1c4cf8a70856289f8cf25ed681606cb6c24f3984f"}