{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:AD5SCTRQJFSR5W74USLEWRKVE4","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":"87975c05596b26fa2e0f33cb01ebaac6fdb6eddb6efb5d550db8ee8cc1769dcc","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2026-03-26T18:46:38Z","title_canon_sha256":"b600a36875d6f7391357200e2ae20847eabe8cc68da102462137cdce48805da0"},"schema_version":"1.0","source":{"id":"2603.25828","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2603.25828","created_at":"2026-07-21T02:21:34Z"},{"alias_kind":"arxiv_version","alias_value":"2603.25828v2","created_at":"2026-07-21T02:21:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2603.25828","created_at":"2026-07-21T02:21:34Z"},{"alias_kind":"pith_short_12","alias_value":"AD5SCTRQJFSR","created_at":"2026-07-21T02:21:34Z"},{"alias_kind":"pith_short_16","alias_value":"AD5SCTRQJFSR5W74","created_at":"2026-07-21T02:21:34Z"},{"alias_kind":"pith_short_8","alias_value":"AD5SCTRQ","created_at":"2026-07-21T02:21:34Z"}],"graph_snapshots":[{"event_id":"sha256:3157da9162789d724b40002a1183a3ec3926bb7bc1235fcba51e8816d8edd89f","target":"graph","created_at":"2026-07-21T02:21:34Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2603.25828/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Hexagonally-packed polystyrene microsphere monolayers coated with tantalum pentoxide (Ta$_2$O$_5$) form scalable dielectric metasurfaces that support tunable photonic resonances and enhanced local density of optical states (LDOS). Here we combine fabrication, optical and fluorescence spectroscopy, and multiscale electromagnetic simulations to quantify how the thickness of the Ta$_2$O$_5$ shells control far-field resonances and Rhodamine 6G (Rh6G) emission. Experimentally, Ta$_2$O$_5$ shells of 10 - 70 nm deposited on microsphere lattices generate resonances that shift red with the thickness of","authors_text":"Alexandra F\\u{a}lama\\c{s}, Ana Maria M. Gherman, Cosmin Farc\\u{a}u, Renaud Vall\\'ee","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2026-03-26T18:46:38Z","title":"Metasurface Engineering with Tantalum Pentoxide-Coated Microspheres: Tailoring Optical Resonances and Enhancing Local Density of States"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2603.25828","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:ab1044eaa43ac7f1b1045071eb76a9c1eeec0dddb69c0cdc5d529ec538e0609f","target":"record","created_at":"2026-07-21T02:21:34Z","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":"87975c05596b26fa2e0f33cb01ebaac6fdb6eddb6efb5d550db8ee8cc1769dcc","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2026-03-26T18:46:38Z","title_canon_sha256":"b600a36875d6f7391357200e2ae20847eabe8cc68da102462137cdce48805da0"},"schema_version":"1.0","source":{"id":"2603.25828","kind":"arxiv","version":2}},"canonical_sha256":"00fb214e3049651edbfca4964b45552705f08d188b484b832e225285a6f45a5d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"00fb214e3049651edbfca4964b45552705f08d188b484b832e225285a6f45a5d","first_computed_at":"2026-07-21T02:21:34.226080Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-21T02:21:34.226080Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oqehVOpnLs5/Af6iCuN1EssU8mv8VLhoGDkP2EgJzbs8VQL8++5mjKiCtD2G09K26uxYAEH/0tCIF3Fm7FwmDg==","signature_status":"signed_v1","signed_at":"2026-07-21T02:21:34.227073Z","signed_message":"canonical_sha256_bytes"},"source_id":"2603.25828","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ab1044eaa43ac7f1b1045071eb76a9c1eeec0dddb69c0cdc5d529ec538e0609f","sha256:3157da9162789d724b40002a1183a3ec3926bb7bc1235fcba51e8816d8edd89f"],"state_sha256":"2f6b5061f0bba889fffcf1127427cc2dbcd9ca20a80fd4bc940b57f1b080a5a0"}