{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:VFSSU2N257P6YFUZ23UGVYQCUV","short_pith_number":"pith:VFSSU2N2","schema_version":"1.0","canonical_sha256":"a9652a69baefdfec1699d6e86ae202a56566f76d48025083a0a1c36fa2c379a9","source":{"kind":"arxiv","id":"2504.08983","version":1},"attestation_state":"computed","paper":{"title":"Multi-scale second harmonic generation microscopy of ferroelectric domains in x-cut thin-film lithium niobate","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"physics.optics","authors_text":"Dodd Gray, Gavin N. West, Rajeev J. Ram, Sagar P. Doshi","submitted_at":"2025-04-11T21:24:42Z","abstract_excerpt":"Thin-film lithium niobate (TFLN) is a widely used platform for nonlinear frequency conversion, as its strong nonlinear susceptibility and enhanced modal confinement intensify nonlinear interactions. Frequency doubling from NIR to visible wavelengths necessitates fabrication of quasi-phase matching (QPM) gratings with minimal period variation (<20nm) and control of ferroelectric domain inversion at the micron-scale along centimeter-long waveguides. Second harmonic generation microscopy (SHM) is a powerful tool for optimizing domain engineering (E-field poling), and it enabled the fabrication of"},"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":"2504.08983","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2025-04-11T21:24:42Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"6ab33bd60bdf7c9514917a8ffe7e727aeb8462a73b7261691f14e7e17a97643b","abstract_canon_sha256":"e58339e96067d7c79a7633ad2f715b89f0ae0e8220e678ee2ad37ac3b9230bab"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:48:02.563375Z","signature_b64":"HZ5emvdSKdr2z87gapXS3WNT3MnYIABFOKjTBor4kCr73/OvBB+YHgJ0L3O7eaOaW9nSoFEEuY2lkzsX7W9EBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a9652a69baefdfec1699d6e86ae202a56566f76d48025083a0a1c36fa2c379a9","last_reissued_at":"2026-07-05T10:48:02.562689Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:48:02.562689Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Multi-scale second harmonic generation microscopy of ferroelectric domains in x-cut thin-film lithium niobate","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"physics.optics","authors_text":"Dodd Gray, Gavin N. West, Rajeev J. Ram, Sagar P. Doshi","submitted_at":"2025-04-11T21:24:42Z","abstract_excerpt":"Thin-film lithium niobate (TFLN) is a widely used platform for nonlinear frequency conversion, as its strong nonlinear susceptibility and enhanced modal confinement intensify nonlinear interactions. Frequency doubling from NIR to visible wavelengths necessitates fabrication of quasi-phase matching (QPM) gratings with minimal period variation (<20nm) and control of ferroelectric domain inversion at the micron-scale along centimeter-long waveguides. Second harmonic generation microscopy (SHM) is a powerful tool for optimizing domain engineering (E-field poling), and it enabled the fabrication of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.08983","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2504.08983/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2504.08983","created_at":"2026-07-05T10:48:02.562785+00:00"},{"alias_kind":"arxiv_version","alias_value":"2504.08983v1","created_at":"2026-07-05T10:48:02.562785+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.08983","created_at":"2026-07-05T10:48:02.562785+00:00"},{"alias_kind":"pith_short_12","alias_value":"VFSSU2N257P6","created_at":"2026-07-05T10:48:02.562785+00:00"},{"alias_kind":"pith_short_16","alias_value":"VFSSU2N257P6YFUZ","created_at":"2026-07-05T10:48:02.562785+00:00"},{"alias_kind":"pith_short_8","alias_value":"VFSSU2N2","created_at":"2026-07-05T10:48:02.562785+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/VFSSU2N257P6YFUZ23UGVYQCUV","json":"https://pith.science/pith/VFSSU2N257P6YFUZ23UGVYQCUV.json","graph_json":"https://pith.science/api/pith-number/VFSSU2N257P6YFUZ23UGVYQCUV/graph.json","events_json":"https://pith.science/api/pith-number/VFSSU2N257P6YFUZ23UGVYQCUV/events.json","paper":"https://pith.science/paper/VFSSU2N2"},"agent_actions":{"view_html":"https://pith.science/pith/VFSSU2N257P6YFUZ23UGVYQCUV","download_json":"https://pith.science/pith/VFSSU2N257P6YFUZ23UGVYQCUV.json","view_paper":"https://pith.science/paper/VFSSU2N2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2504.08983&json=true","fetch_graph":"https://pith.science/api/pith-number/VFSSU2N257P6YFUZ23UGVYQCUV/graph.json","fetch_events":"https://pith.science/api/pith-number/VFSSU2N257P6YFUZ23UGVYQCUV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VFSSU2N257P6YFUZ23UGVYQCUV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VFSSU2N257P6YFUZ23UGVYQCUV/action/storage_attestation","attest_author":"https://pith.science/pith/VFSSU2N257P6YFUZ23UGVYQCUV/action/author_attestation","sign_citation":"https://pith.science/pith/VFSSU2N257P6YFUZ23UGVYQCUV/action/citation_signature","submit_replication":"https://pith.science/pith/VFSSU2N257P6YFUZ23UGVYQCUV/action/replication_record"}},"created_at":"2026-07-05T10:48:02.562785+00:00","updated_at":"2026-07-05T10:48:02.562785+00:00"}