{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:P4LULCB3MD2TCYNXAMQDTSN4WY","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":"843467a9b2a3ddc73b7d304c32bc564c7f7b7a8e780943bcbda5b00d558dc38e","cross_cats_sorted":["physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-03-19T12:30:33Z","title_canon_sha256":"5ef59a58ba53666d5464437f3dcefc0462633c1f235a1b1eebd84ed1692aeea6"},"schema_version":"1.0","source":{"id":"1803.06889","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.06889","created_at":"2026-05-17T23:54:59Z"},{"alias_kind":"arxiv_version","alias_value":"1803.06889v2","created_at":"2026-05-17T23:54:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.06889","created_at":"2026-05-17T23:54:59Z"},{"alias_kind":"pith_short_12","alias_value":"P4LULCB3MD2T","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"P4LULCB3MD2TCYNX","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"P4LULCB3","created_at":"2026-05-18T12:32:43Z"}],"graph_snapshots":[{"event_id":"sha256:769ab6853b79ffaca6ffc29087820474c80e50fb6b2c6bf8d5a9faa0f94203ec","target":"graph","created_at":"2026-05-17T23:54:59Z","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 disclose an unanticipated link between plasmonics and nonlinear frequency down-conversion in laser-induced gas-plasmas. For two-color femtosecond pump pulses, a plasmonic resonance is shown to broaden the terahertz emission spectra significantly. We identify the resonance as a leaky mode, which contributes to the emission spectra whenever electrons are excited along a direction where the plasma size is smaller than the plasma wavelength. As a direct consequence, such resonances can be controlled by changing the polarization properties of elliptically-shaped driving laser pulses. Both, exper","authors_text":"A. Nguyen, B. Zhou, E. Smetanina, I. Thiele, J. D\\'echard, K. J. Kaltenecker, L. Berg\\'e, P. Gonz\\'alez de Alaiza Mart\\'inez, P. U. Jepsen, R. Nuter, S. Skupin","cross_cats":["physics.plasm-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-03-19T12:30:33Z","title":"Terahertz emission from laser-driven gas-plasmas: a plasmonic point of view"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.06889","kind":"arxiv","version":2},"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":"sha256:2d8ad0c67fff72ddd9152c849928e732db2612a62bb3d722bf14301394cdfd49","target":"record","created_at":"2026-05-17T23:54:59Z","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":"843467a9b2a3ddc73b7d304c32bc564c7f7b7a8e780943bcbda5b00d558dc38e","cross_cats_sorted":["physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-03-19T12:30:33Z","title_canon_sha256":"5ef59a58ba53666d5464437f3dcefc0462633c1f235a1b1eebd84ed1692aeea6"},"schema_version":"1.0","source":{"id":"1803.06889","kind":"arxiv","version":2}},"canonical_sha256":"7f1745883b60f53161b7032039c9bcb6210f507452d811a97c1361851b14fc9f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7f1745883b60f53161b7032039c9bcb6210f507452d811a97c1361851b14fc9f","first_computed_at":"2026-05-17T23:54:59.260114Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:54:59.260114Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IGFHzeZFZXxEXE+ztAUNTrtqgjF7awrTokicVPGT/Jszv0X8sivWno0FDslPET2pEpN6jbzUL5ipbJ94uv1JBQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:54:59.260595Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.06889","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2d8ad0c67fff72ddd9152c849928e732db2612a62bb3d722bf14301394cdfd49","sha256:769ab6853b79ffaca6ffc29087820474c80e50fb6b2c6bf8d5a9faa0f94203ec"],"state_sha256":"b1888e1aee11d45ba84f1f83674613cea1359db235bcbb726a16b34c68ea9e75"}