{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:FFY7PGKTNUKR3GGXQEJISXIWIT","short_pith_number":"pith:FFY7PGKT","schema_version":"1.0","canonical_sha256":"2971f799536d151d98d78112895d1644fea6dd63b41e32358f8c1e8c7bdfd4bf","source":{"kind":"arxiv","id":"1710.04271","version":1},"attestation_state":"computed","paper":{"title":"Zero-OAM laser printing of chiral nanoneedles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph","physics.optics"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Kuchmizhak, A. Porfirev, A. Zhizhchenko, O. Vitrik, S.Fomchenkov, S. Khonina, S. Kudryashov, S. Syubaev","submitted_at":"2017-10-05T00:03:07Z","abstract_excerpt":"Laser irradiation of various materials including metals, polymers and semiconductors with vortex beams was previously shown to twist transiently molten matter providing the direct easy-to-implement way to obtain chiral surface relief. Specifically for metals, this effect was attributed to transfer of an optical angular momentum (OAM) carrying by the vortex beam. In this Letter, we report the formation of twisted metal nanoneedles on the surface of silver and gold metal films under their irradiation with zero-OAM laser beam having spiral-shape lateral intensity distribution. Our comparative exp"},"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":"1710.04271","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-10-05T00:03:07Z","cross_cats_sorted":["physics.app-ph","physics.optics"],"title_canon_sha256":"26086564c4af457e6ac2eba39552c02bb1021914cd9d17d5678f834490dd3fa7","abstract_canon_sha256":"bda784aaa328177ad2066e32ae5b4888deb2f8666b2890fc5412e30d876c3a4b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:33:01.548771Z","signature_b64":"BvHYCbmVQh6SvOslGvsh6MXOtrO3+QogAWDMjf/XR44wZtSH17EtwoawtAxFSdXsjPAKeMa4/Dg7jnb1B09eBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2971f799536d151d98d78112895d1644fea6dd63b41e32358f8c1e8c7bdfd4bf","last_reissued_at":"2026-05-18T00:33:01.548340Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:33:01.548340Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Zero-OAM laser printing of chiral nanoneedles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph","physics.optics"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Kuchmizhak, A. Porfirev, A. Zhizhchenko, O. Vitrik, S.Fomchenkov, S. Khonina, S. Kudryashov, S. Syubaev","submitted_at":"2017-10-05T00:03:07Z","abstract_excerpt":"Laser irradiation of various materials including metals, polymers and semiconductors with vortex beams was previously shown to twist transiently molten matter providing the direct easy-to-implement way to obtain chiral surface relief. Specifically for metals, this effect was attributed to transfer of an optical angular momentum (OAM) carrying by the vortex beam. In this Letter, we report the formation of twisted metal nanoneedles on the surface of silver and gold metal films under their irradiation with zero-OAM laser beam having spiral-shape lateral intensity distribution. Our comparative exp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.04271","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":"1710.04271","created_at":"2026-05-18T00:33:01.548411+00:00"},{"alias_kind":"arxiv_version","alias_value":"1710.04271v1","created_at":"2026-05-18T00:33:01.548411+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.04271","created_at":"2026-05-18T00:33:01.548411+00:00"},{"alias_kind":"pith_short_12","alias_value":"FFY7PGKTNUKR","created_at":"2026-05-18T12:31:15.632608+00:00"},{"alias_kind":"pith_short_16","alias_value":"FFY7PGKTNUKR3GGX","created_at":"2026-05-18T12:31:15.632608+00:00"},{"alias_kind":"pith_short_8","alias_value":"FFY7PGKT","created_at":"2026-05-18T12:31:15.632608+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/FFY7PGKTNUKR3GGXQEJISXIWIT","json":"https://pith.science/pith/FFY7PGKTNUKR3GGXQEJISXIWIT.json","graph_json":"https://pith.science/api/pith-number/FFY7PGKTNUKR3GGXQEJISXIWIT/graph.json","events_json":"https://pith.science/api/pith-number/FFY7PGKTNUKR3GGXQEJISXIWIT/events.json","paper":"https://pith.science/paper/FFY7PGKT"},"agent_actions":{"view_html":"https://pith.science/pith/FFY7PGKTNUKR3GGXQEJISXIWIT","download_json":"https://pith.science/pith/FFY7PGKTNUKR3GGXQEJISXIWIT.json","view_paper":"https://pith.science/paper/FFY7PGKT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1710.04271&json=true","fetch_graph":"https://pith.science/api/pith-number/FFY7PGKTNUKR3GGXQEJISXIWIT/graph.json","fetch_events":"https://pith.science/api/pith-number/FFY7PGKTNUKR3GGXQEJISXIWIT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FFY7PGKTNUKR3GGXQEJISXIWIT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FFY7PGKTNUKR3GGXQEJISXIWIT/action/storage_attestation","attest_author":"https://pith.science/pith/FFY7PGKTNUKR3GGXQEJISXIWIT/action/author_attestation","sign_citation":"https://pith.science/pith/FFY7PGKTNUKR3GGXQEJISXIWIT/action/citation_signature","submit_replication":"https://pith.science/pith/FFY7PGKTNUKR3GGXQEJISXIWIT/action/replication_record"}},"created_at":"2026-05-18T00:33:01.548411+00:00","updated_at":"2026-05-18T00:33:01.548411+00:00"}