{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:BMPSBKMZEGJH2OZZAZJZ2ZQZTD","short_pith_number":"pith:BMPSBKMZ","schema_version":"1.0","canonical_sha256":"0b1f20a99921927d3b3906539d661998fc99bf733d8e4a8b391f825c9633c8e2","source":{"kind":"arxiv","id":"2112.06731","version":1},"attestation_state":"computed","paper":{"title":"Polarization-independent isotropic nonlocal metasurfaces with wavelength-controlled functionality","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"physics.optics","authors_text":"Cheng Guo, Olivia Y. Long, Shanhui Fan, Weiliang Jin","submitted_at":"2021-12-13T15:36:09Z","abstract_excerpt":"Flat optics has demonstrated great advances in miniaturizing conventional, bulky optical elements due to the recent developments in metasurface design. Specific applications of such designs include spatial differentiation and the compression of free space. However, metasurfaces designed for such applications are often polarization-dependent and are designed for a single functionality. In this work, we introduce a polarization-independent metasurface structure by designing guided resonances with degenerate band curvatures in a photonic crystal slab. Our device can perform both free-space compre"},"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":"2112.06731","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2021-12-13T15:36:09Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"6431b6b9b0e5dd950288395309b3dedf447ec4116a5c5a939e0b531b21e31f2a","abstract_canon_sha256":"2aca4ad7025be12c40cef11e1e92f54926a8952e0399eaca6fab4f3aaff1f147"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:55:39.669075Z","signature_b64":"5bymnfvokKg7RyvEaem6WK/eXffVdyo1LehQfG35zeqM601dBv72/sLs2yJ8fRbbZPuTH1eNuyrxzuosRu1JBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0b1f20a99921927d3b3906539d661998fc99bf733d8e4a8b391f825c9633c8e2","last_reissued_at":"2026-07-05T03:55:39.668543Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:55:39.668543Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Polarization-independent isotropic nonlocal metasurfaces with wavelength-controlled functionality","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"physics.optics","authors_text":"Cheng Guo, Olivia Y. Long, Shanhui Fan, Weiliang Jin","submitted_at":"2021-12-13T15:36:09Z","abstract_excerpt":"Flat optics has demonstrated great advances in miniaturizing conventional, bulky optical elements due to the recent developments in metasurface design. Specific applications of such designs include spatial differentiation and the compression of free space. However, metasurfaces designed for such applications are often polarization-dependent and are designed for a single functionality. In this work, we introduce a polarization-independent metasurface structure by designing guided resonances with degenerate band curvatures in a photonic crystal slab. Our device can perform both free-space compre"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.06731","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/2112.06731/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":"2112.06731","created_at":"2026-07-05T03:55:39.668602+00:00"},{"alias_kind":"arxiv_version","alias_value":"2112.06731v1","created_at":"2026-07-05T03:55:39.668602+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.06731","created_at":"2026-07-05T03:55:39.668602+00:00"},{"alias_kind":"pith_short_12","alias_value":"BMPSBKMZEGJH","created_at":"2026-07-05T03:55:39.668602+00:00"},{"alias_kind":"pith_short_16","alias_value":"BMPSBKMZEGJH2OZZ","created_at":"2026-07-05T03:55:39.668602+00:00"},{"alias_kind":"pith_short_8","alias_value":"BMPSBKMZ","created_at":"2026-07-05T03:55:39.668602+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/BMPSBKMZEGJH2OZZAZJZ2ZQZTD","json":"https://pith.science/pith/BMPSBKMZEGJH2OZZAZJZ2ZQZTD.json","graph_json":"https://pith.science/api/pith-number/BMPSBKMZEGJH2OZZAZJZ2ZQZTD/graph.json","events_json":"https://pith.science/api/pith-number/BMPSBKMZEGJH2OZZAZJZ2ZQZTD/events.json","paper":"https://pith.science/paper/BMPSBKMZ"},"agent_actions":{"view_html":"https://pith.science/pith/BMPSBKMZEGJH2OZZAZJZ2ZQZTD","download_json":"https://pith.science/pith/BMPSBKMZEGJH2OZZAZJZ2ZQZTD.json","view_paper":"https://pith.science/paper/BMPSBKMZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2112.06731&json=true","fetch_graph":"https://pith.science/api/pith-number/BMPSBKMZEGJH2OZZAZJZ2ZQZTD/graph.json","fetch_events":"https://pith.science/api/pith-number/BMPSBKMZEGJH2OZZAZJZ2ZQZTD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BMPSBKMZEGJH2OZZAZJZ2ZQZTD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BMPSBKMZEGJH2OZZAZJZ2ZQZTD/action/storage_attestation","attest_author":"https://pith.science/pith/BMPSBKMZEGJH2OZZAZJZ2ZQZTD/action/author_attestation","sign_citation":"https://pith.science/pith/BMPSBKMZEGJH2OZZAZJZ2ZQZTD/action/citation_signature","submit_replication":"https://pith.science/pith/BMPSBKMZEGJH2OZZAZJZ2ZQZTD/action/replication_record"}},"created_at":"2026-07-05T03:55:39.668602+00:00","updated_at":"2026-07-05T03:55:39.668602+00:00"}