{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:R2TQVJGDNL7YIEYV6SILU7VG6Z","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"1d4a0d73751deeebe32e24534105f538a2288512a3264a88758dcbccf2130235","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-02-17T14:23:56Z","title_canon_sha256":"5218a24f26878b969e7784bacd5824800111415edf4afa56cf034a7a1581d671"},"schema_version":"1.0","source":{"id":"1502.04903","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.04903","created_at":"2026-05-18T01:09:49Z"},{"alias_kind":"arxiv_version","alias_value":"1502.04903v2","created_at":"2026-05-18T01:09:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.04903","created_at":"2026-05-18T01:09:49Z"},{"alias_kind":"pith_short_12","alias_value":"R2TQVJGDNL7Y","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"R2TQVJGDNL7YIEYV","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"R2TQVJGD","created_at":"2026-05-18T12:29:39Z"}],"graph_snapshots":[{"event_id":"sha256:f028d95c131dd7fec54f1f4d1163fc256be48ad13867e35b16221b33fd526df0","target":"graph","created_at":"2026-05-18T01:09:49Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We propose a simple yet efficient method for generating in-plane hollow beams with a nearly-full circular light shell without the contribution of backward propagating waves. The method relies on modulating the phase in the near field of a centro-symmetric optical wavefront, such as that from a high-numericalaperture focused wave field. We illustrate how beam acceleration may be carried out by using an ultranarrow non-flat meta-surface formed by engineered plasmonic nanoslits. A mirrorsymmetric, with respect to the optical axis, circular caustic surface is numerically demonstrated that can be u","authors_text":"A. Zakery, Carlos J. Zapata-Rodriguez, Juan J. Miret, Mahin Naserpour","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-02-17T14:23:56Z","title":"Light capsules shaped by curvilinear meta-surfaces"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.04903","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:a407bcf6fe2287a726ca2fbeb3d169434b58b28626a0a9ece3786e22344bdb12","target":"record","created_at":"2026-05-18T01:09:49Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"1d4a0d73751deeebe32e24534105f538a2288512a3264a88758dcbccf2130235","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-02-17T14:23:56Z","title_canon_sha256":"5218a24f26878b969e7784bacd5824800111415edf4afa56cf034a7a1581d671"},"schema_version":"1.0","source":{"id":"1502.04903","kind":"arxiv","version":2}},"canonical_sha256":"8ea70aa4c36aff841315f490ba7ea6f6695a909ba7698f404f278a2dc8a7737b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8ea70aa4c36aff841315f490ba7ea6f6695a909ba7698f404f278a2dc8a7737b","first_computed_at":"2026-05-18T01:09:49.271188Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:09:49.271188Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7GWOnVnHIx9LUuh57dkG5QCPhxMzINFvQ967Ee0CClC187zAJzmxwtuKX+WcJso1zWnzsEVQdXt/awrbIQE6Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:09:49.271929Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.04903","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a407bcf6fe2287a726ca2fbeb3d169434b58b28626a0a9ece3786e22344bdb12","sha256:f028d95c131dd7fec54f1f4d1163fc256be48ad13867e35b16221b33fd526df0"],"state_sha256":"549775f0be78efa23266ead6ae9f7e9957a959f11bdfc57b68087ba086239822"}