{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:Y345ELFUGLMJGJ4IYEVXCI7AAZ","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":"b1ad5b713f345d9de997ef6598f99bf4c650f61de4a7f4ddbbac06d8388eb0dd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-04-15T15:50:52Z","title_canon_sha256":"10ae148703c92945cf1c7d7131fecd83a2ef0fe8a0944e3cb5974f4ba7c2629a"},"schema_version":"1.0","source":{"id":"1304.4139","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.4139","created_at":"2026-05-18T03:27:13Z"},{"alias_kind":"arxiv_version","alias_value":"1304.4139v2","created_at":"2026-05-18T03:27:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.4139","created_at":"2026-05-18T03:27:13Z"},{"alias_kind":"pith_short_12","alias_value":"Y345ELFUGLMJ","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"Y345ELFUGLMJGJ4I","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"Y345ELFU","created_at":"2026-05-18T12:28:06Z"}],"graph_snapshots":[{"event_id":"sha256:5196b03291160b18c2504eb9f348bd7e85b10df39fce99323285c142bb905cfe","target":"graph","created_at":"2026-05-18T03:27:13Z","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":"Optical near-fields of small dielectric particles are of particular importance and interests for nanoscale optical engineering such as field localization, fabrication, characterization, sensing and imaging. This paper represents a systematic investigation on the focusing characteristics (focal length, field enhancement, spot size) for a given refractive-index microsphere (n=1.6) with a varying size parameter across the range of pi<q0<20*pi. Conditions for super-resolution foci were analysised in details. Particularly strong super-resolution foci with spot size falling at least 50% below the di","authors_text":"Boris Luk'yanchuk, Yi Zhou, Zengbo Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-04-15T15:50:52Z","title":"Near-field focusing of dielectric microspheres: Super-resolution and field-invariant parameter scaling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.4139","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":"sha256:60a04fefc83f53aa8f41704ed1bc30204e1f7f14b235af074c45309be81c27d3","target":"record","created_at":"2026-05-18T03:27:13Z","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":"b1ad5b713f345d9de997ef6598f99bf4c650f61de4a7f4ddbbac06d8388eb0dd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-04-15T15:50:52Z","title_canon_sha256":"10ae148703c92945cf1c7d7131fecd83a2ef0fe8a0944e3cb5974f4ba7c2629a"},"schema_version":"1.0","source":{"id":"1304.4139","kind":"arxiv","version":2}},"canonical_sha256":"c6f9d22cb432d8932788c12b7123e0065a67f4b6b2c98f818029e6de2173f7c0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c6f9d22cb432d8932788c12b7123e0065a67f4b6b2c98f818029e6de2173f7c0","first_computed_at":"2026-05-18T03:27:13.274924Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:27:13.274924Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VZjCkS1dgyQMCcs3H3wXds+NqIt6qoI1GP3fdD2GlyVNvf7NwZ98mIbhbDu9xai5Etb0heBhlkeUe5QWdhAkCg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:27:13.275653Z","signed_message":"canonical_sha256_bytes"},"source_id":"1304.4139","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:60a04fefc83f53aa8f41704ed1bc30204e1f7f14b235af074c45309be81c27d3","sha256:5196b03291160b18c2504eb9f348bd7e85b10df39fce99323285c142bb905cfe"],"state_sha256":"c3b092c58b7ccefd5d16148c79732ffc23c03108c0116d5e38b092c207ed060b"}