{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:TZQVZB5YIGILOPWKFEN6XUGJJF","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":"5940f7b77f4809cf91e43b2e86baf429fe8445e7d82d30c12599ba6235989a3b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2020-09-02T15:50:42Z","title_canon_sha256":"3c988b1f80c679308e3ddc9b9b6f733e44c46dd95da861d1f91c52fdc0b7f9f5"},"schema_version":"1.0","source":{"id":"2009.01148","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.01148","created_at":"2026-07-05T01:32:38Z"},{"alias_kind":"arxiv_version","alias_value":"2009.01148v1","created_at":"2026-07-05T01:32:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.01148","created_at":"2026-07-05T01:32:38Z"},{"alias_kind":"pith_short_12","alias_value":"TZQVZB5YIGIL","created_at":"2026-07-05T01:32:38Z"},{"alias_kind":"pith_short_16","alias_value":"TZQVZB5YIGILOPWK","created_at":"2026-07-05T01:32:38Z"},{"alias_kind":"pith_short_8","alias_value":"TZQVZB5Y","created_at":"2026-07-05T01:32:38Z"}],"graph_snapshots":[{"event_id":"sha256:0590b2a0e9aa02003411241d7cd1aa80c74b38b9122abd5878b8b0c7a7654ac1","target":"graph","created_at":"2026-07-05T01:32:38Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2009.01148/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Strong field-confinement, long-lifetime resonances, and slow-light effects suggest that meta surfaces are a promising tool for nonlinear optical applications. These nanostructured devices have been utilized for relatively high efficiency solid-state high-harmonic generation platforms, four-wave mixing, and Raman scattering experiments, among others. Here we report the first all-dielectric metasurface to enhance harmonic generation from a surrounding gas, achieving as much as a factor of 45 increase in the overall yield for Argon atoms. When compared to metal nanostructures, dielectrics are mor","authors_text":"Adam C. Overvig, Alexander L. Gaeta, Gauri N. Patwardhan, Jared S. Ginsberg, M. Mehdi Jadidi, Nanfang Yu, Nicolas Swenson, Stephanie C. Malek","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2020-09-02T15:50:42Z","title":"Enhanced Harmonic Generation in Gases Using an All-Dielectric Metasurface"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.01148","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":"sha256:6b49f3bd58644bd43c845817df7c0f9ba219fd4470e5ba94cce546d9c8a4ed0c","target":"record","created_at":"2026-07-05T01:32:38Z","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":"5940f7b77f4809cf91e43b2e86baf429fe8445e7d82d30c12599ba6235989a3b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2020-09-02T15:50:42Z","title_canon_sha256":"3c988b1f80c679308e3ddc9b9b6f733e44c46dd95da861d1f91c52fdc0b7f9f5"},"schema_version":"1.0","source":{"id":"2009.01148","kind":"arxiv","version":1}},"canonical_sha256":"9e615c87b84190b73eca291bebd0c94952138f37af239f50f41b253cf4c10d7f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9e615c87b84190b73eca291bebd0c94952138f37af239f50f41b253cf4c10d7f","first_computed_at":"2026-07-05T01:32:38.013891Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:32:38.013891Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dbe3MXh66zmPApfO3h4eMV0oHCeGBGd3q7KE6pN4GpZeu49R3/U7vAfcMK+zi9NUqksiPGSID1o/OC9FfQ5+Dw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:32:38.014302Z","signed_message":"canonical_sha256_bytes"},"source_id":"2009.01148","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6b49f3bd58644bd43c845817df7c0f9ba219fd4470e5ba94cce546d9c8a4ed0c","sha256:0590b2a0e9aa02003411241d7cd1aa80c74b38b9122abd5878b8b0c7a7654ac1"],"state_sha256":"c2f48a4909d0ef553aa7e9ea56bd697aaf9fd2179e8659ab138bfc269d48b8cf"}