{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:OMD6AO7K36VCUJYECE74GNLKXS","short_pith_number":"pith:OMD6AO7K","schema_version":"1.0","canonical_sha256":"7307e03beadfaa2a2704113fc3356abc83f7e7f98610a178d76b6ae636fac689","source":{"kind":"arxiv","id":"1811.09431","version":1},"attestation_state":"computed","paper":{"title":"Nano-fabrication and characterization of silicon meta-surfaces provided with Pancharatnam-Berry effect","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","physics.app-ph","physics.optics"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alessandro Pozzato, Alessia Mezzadrelli, Filippo Romanato, Gianluca Ruffato, Michele Massari, Pietro Capaldo","submitted_at":"2018-11-23T11:15:58Z","abstract_excerpt":"In this paper, the implementation of optical elements in the form of Pancharatnam-Berry optics is considered. With respect to 3D bulk and diffractive optics, acting on the dynamic phase of light, Pancharatnam-Berry optical elements transfer a phase which is geometric in nature by locally manipulating the polarization state of the incident beam. They can be realized as space-variant sub-wavelengths gratings that behave like inhomogeneous form-birefringent materials. We present a comprehensive work of simulation, realization, and optical characterization at the telecom wavelength of 1310 nm of t"},"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":"1811.09431","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-11-23T11:15:58Z","cross_cats_sorted":["cond-mat.mes-hall","physics.app-ph","physics.optics"],"title_canon_sha256":"a6549dd91a69ff122f3a4d416606b071963de5c8bff05ba04c76a9da9fca72c1","abstract_canon_sha256":"102ef1c469198f5b8335213e18cb9a87d624d1200f21fc7ec788fc4376a28b5e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:00:03.444778Z","signature_b64":"dslC0XKeKOzYhWcEvxTINZ0xz8waUt5mSFfF4Tfy9NDk5ENiDaO9vPSyAXTBhhvM0CWC/Beb7enF5TGdPM1PDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7307e03beadfaa2a2704113fc3356abc83f7e7f98610a178d76b6ae636fac689","last_reissued_at":"2026-05-18T00:00:03.444332Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:00:03.444332Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Nano-fabrication and characterization of silicon meta-surfaces provided with Pancharatnam-Berry effect","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","physics.app-ph","physics.optics"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alessandro Pozzato, Alessia Mezzadrelli, Filippo Romanato, Gianluca Ruffato, Michele Massari, Pietro Capaldo","submitted_at":"2018-11-23T11:15:58Z","abstract_excerpt":"In this paper, the implementation of optical elements in the form of Pancharatnam-Berry optics is considered. With respect to 3D bulk and diffractive optics, acting on the dynamic phase of light, Pancharatnam-Berry optical elements transfer a phase which is geometric in nature by locally manipulating the polarization state of the incident beam. They can be realized as space-variant sub-wavelengths gratings that behave like inhomogeneous form-birefringent materials. We present a comprehensive work of simulation, realization, and optical characterization at the telecom wavelength of 1310 nm of t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.09431","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":"1811.09431","created_at":"2026-05-18T00:00:03.444398+00:00"},{"alias_kind":"arxiv_version","alias_value":"1811.09431v1","created_at":"2026-05-18T00:00:03.444398+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.09431","created_at":"2026-05-18T00:00:03.444398+00:00"},{"alias_kind":"pith_short_12","alias_value":"OMD6AO7K36VC","created_at":"2026-05-18T12:32:43.782077+00:00"},{"alias_kind":"pith_short_16","alias_value":"OMD6AO7K36VCUJYE","created_at":"2026-05-18T12:32:43.782077+00:00"},{"alias_kind":"pith_short_8","alias_value":"OMD6AO7K","created_at":"2026-05-18T12:32:43.782077+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/OMD6AO7K36VCUJYECE74GNLKXS","json":"https://pith.science/pith/OMD6AO7K36VCUJYECE74GNLKXS.json","graph_json":"https://pith.science/api/pith-number/OMD6AO7K36VCUJYECE74GNLKXS/graph.json","events_json":"https://pith.science/api/pith-number/OMD6AO7K36VCUJYECE74GNLKXS/events.json","paper":"https://pith.science/paper/OMD6AO7K"},"agent_actions":{"view_html":"https://pith.science/pith/OMD6AO7K36VCUJYECE74GNLKXS","download_json":"https://pith.science/pith/OMD6AO7K36VCUJYECE74GNLKXS.json","view_paper":"https://pith.science/paper/OMD6AO7K","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1811.09431&json=true","fetch_graph":"https://pith.science/api/pith-number/OMD6AO7K36VCUJYECE74GNLKXS/graph.json","fetch_events":"https://pith.science/api/pith-number/OMD6AO7K36VCUJYECE74GNLKXS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OMD6AO7K36VCUJYECE74GNLKXS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OMD6AO7K36VCUJYECE74GNLKXS/action/storage_attestation","attest_author":"https://pith.science/pith/OMD6AO7K36VCUJYECE74GNLKXS/action/author_attestation","sign_citation":"https://pith.science/pith/OMD6AO7K36VCUJYECE74GNLKXS/action/citation_signature","submit_replication":"https://pith.science/pith/OMD6AO7K36VCUJYECE74GNLKXS/action/replication_record"}},"created_at":"2026-05-18T00:00:03.444398+00:00","updated_at":"2026-05-18T00:00:03.444398+00:00"}