{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:5YBNPAZLU36W6GR44YQZMIIBJC","short_pith_number":"pith:5YBNPAZL","schema_version":"1.0","canonical_sha256":"ee02d7832ba6fd6f1a3ce62196210148ae32f8b6af9622ffda74481973d7c862","source":{"kind":"arxiv","id":"1602.08685","version":1},"attestation_state":"computed","paper":{"title":"High spatial frequency periodic structures induced on ferric ion-doped Polyvinyl Pyrrolidone film by femtosecond laser pulses","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Chen Lai, Guocai Liao, Lijun Wu, Qiang Li, Yunxia Wang","submitted_at":"2016-02-28T09:07:34Z","abstract_excerpt":"Utilizing continues-wave or pulsed laser to induce nano-structures on various material surfaces is one significant method in nano-fabrication technology. In this report, we investigate the formation of high spatial frequency periodic structures on Polyvinyl Pyrrolidone (PVP) film by a linearly polarized femtosecond laser. Ferric (Fe) ions are introduced into the film to improve the photosensitivity. Regular nano-gratings with spatial periods at the range of 60-100nm, which are about one tenth of the irradiating wavelength, can be induced. The period direction of the nano-gratings is perpendicu"},"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":"1602.08685","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-02-28T09:07:34Z","cross_cats_sorted":[],"title_canon_sha256":"56f5167cbba4d6f250acc21a819ff0c358dee75121f833f34675986669928aef","abstract_canon_sha256":"96c9eaabdb1a2d708441737abfdd9c9a50590f314d769fa8ba9525e101e66cad"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:19:52.181853Z","signature_b64":"54EGhIjIdbLPyRLNQCf0q1zzBRidB1rEOcX2uRQgy/1h/MqfQqVo0X0JYAbrkKIdBIWXpsp4V6T+Gp67HMp+CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ee02d7832ba6fd6f1a3ce62196210148ae32f8b6af9622ffda74481973d7c862","last_reissued_at":"2026-05-18T01:19:52.181290Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:19:52.181290Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"High spatial frequency periodic structures induced on ferric ion-doped Polyvinyl Pyrrolidone film by femtosecond laser pulses","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Chen Lai, Guocai Liao, Lijun Wu, Qiang Li, Yunxia Wang","submitted_at":"2016-02-28T09:07:34Z","abstract_excerpt":"Utilizing continues-wave or pulsed laser to induce nano-structures on various material surfaces is one significant method in nano-fabrication technology. In this report, we investigate the formation of high spatial frequency periodic structures on Polyvinyl Pyrrolidone (PVP) film by a linearly polarized femtosecond laser. Ferric (Fe) ions are introduced into the film to improve the photosensitivity. Regular nano-gratings with spatial periods at the range of 60-100nm, which are about one tenth of the irradiating wavelength, can be induced. The period direction of the nano-gratings is perpendicu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.08685","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":""},"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":"1602.08685","created_at":"2026-05-18T01:19:52.181377+00:00"},{"alias_kind":"arxiv_version","alias_value":"1602.08685v1","created_at":"2026-05-18T01:19:52.181377+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.08685","created_at":"2026-05-18T01:19:52.181377+00:00"},{"alias_kind":"pith_short_12","alias_value":"5YBNPAZLU36W","created_at":"2026-05-18T12:30:01.593930+00:00"},{"alias_kind":"pith_short_16","alias_value":"5YBNPAZLU36W6GR4","created_at":"2026-05-18T12:30:01.593930+00:00"},{"alias_kind":"pith_short_8","alias_value":"5YBNPAZL","created_at":"2026-05-18T12:30:01.593930+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/5YBNPAZLU36W6GR44YQZMIIBJC","json":"https://pith.science/pith/5YBNPAZLU36W6GR44YQZMIIBJC.json","graph_json":"https://pith.science/api/pith-number/5YBNPAZLU36W6GR44YQZMIIBJC/graph.json","events_json":"https://pith.science/api/pith-number/5YBNPAZLU36W6GR44YQZMIIBJC/events.json","paper":"https://pith.science/paper/5YBNPAZL"},"agent_actions":{"view_html":"https://pith.science/pith/5YBNPAZLU36W6GR44YQZMIIBJC","download_json":"https://pith.science/pith/5YBNPAZLU36W6GR44YQZMIIBJC.json","view_paper":"https://pith.science/paper/5YBNPAZL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1602.08685&json=true","fetch_graph":"https://pith.science/api/pith-number/5YBNPAZLU36W6GR44YQZMIIBJC/graph.json","fetch_events":"https://pith.science/api/pith-number/5YBNPAZLU36W6GR44YQZMIIBJC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5YBNPAZLU36W6GR44YQZMIIBJC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5YBNPAZLU36W6GR44YQZMIIBJC/action/storage_attestation","attest_author":"https://pith.science/pith/5YBNPAZLU36W6GR44YQZMIIBJC/action/author_attestation","sign_citation":"https://pith.science/pith/5YBNPAZLU36W6GR44YQZMIIBJC/action/citation_signature","submit_replication":"https://pith.science/pith/5YBNPAZLU36W6GR44YQZMIIBJC/action/replication_record"}},"created_at":"2026-05-18T01:19:52.181377+00:00","updated_at":"2026-05-18T01:19:52.181377+00:00"}