{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:7AMG6PIF7OZKJKWVAIWBAF3ABE","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":"fc8c8b6482b79986b887948faf21703172bd1b876aaabca37a4bee5f83e75fd9","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2020-04-08T15:01:26Z","title_canon_sha256":"429433f89d885b9faabf7a82eea58e72254c0b9023a316943470dcad8ae33398"},"schema_version":"1.0","source":{"id":"2004.04031","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.04031","created_at":"2026-07-05T00:53:58Z"},{"alias_kind":"arxiv_version","alias_value":"2004.04031v1","created_at":"2026-07-05T00:53:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.04031","created_at":"2026-07-05T00:53:58Z"},{"alias_kind":"pith_short_12","alias_value":"7AMG6PIF7OZK","created_at":"2026-07-05T00:53:58Z"},{"alias_kind":"pith_short_16","alias_value":"7AMG6PIF7OZKJKWV","created_at":"2026-07-05T00:53:58Z"},{"alias_kind":"pith_short_8","alias_value":"7AMG6PIF","created_at":"2026-07-05T00:53:58Z"}],"graph_snapshots":[{"event_id":"sha256:149bee132895524c63fc735334d117dd7a4116161cebf1e845e0dc6461786616","target":"graph","created_at":"2026-07-05T00:53:58Z","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/2004.04031/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this article, two wide band high-efficiency metasurface structures as a linear-cross polarizer in transmission mode based on asymmetric split-ring resonators (ASRR) are proposed and tested to indicate that this is not a purely theoretical work. A unit cell of the first structure consists of double polarization-sensitive S-shape resonators (SRs) on the bottom side of the dielectric layer. The superiority of this proposed structure is its filtering property and high conversion efficiency at its resonant frequency, 100 GHz, where its cross-polarized transmission coefficient reaches 0.87. The s","authors_text":"Mehdi Ahmadi-Boroujeni, Mehdi Fardmanesh, Rana Nazifi, Seyedeh Zahra Shojaeian, Seyed Iman Mirzaei, Shiva Hajitabarmarznaki","cross_cats":["physics.app-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2020-04-08T15:01:26Z","title":"A wide band low profile linear cross polarizer for millimeter wave applications"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.04031","kind":"arxiv","version":1},"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:a376817717438d1ed2fe5297d698f3201e735b979fefd6d373891beb961f866c","target":"record","created_at":"2026-07-05T00:53:58Z","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":"fc8c8b6482b79986b887948faf21703172bd1b876aaabca37a4bee5f83e75fd9","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2020-04-08T15:01:26Z","title_canon_sha256":"429433f89d885b9faabf7a82eea58e72254c0b9023a316943470dcad8ae33398"},"schema_version":"1.0","source":{"id":"2004.04031","kind":"arxiv","version":1}},"canonical_sha256":"f8186f3d05fbb2a4aad5022c101760093920bf58375d26dadb7a77899165b3e9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f8186f3d05fbb2a4aad5022c101760093920bf58375d26dadb7a77899165b3e9","first_computed_at":"2026-07-05T00:53:58.564112Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:53:58.564112Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0+6GnnX97qRExF6Q7CQd820CvQh4JtTy61HsPZ4hOaFLXoHMBiwqbORtubecwUlJpNp3JOTK+BmiB6mv9uanCw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:53:58.564485Z","signed_message":"canonical_sha256_bytes"},"source_id":"2004.04031","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a376817717438d1ed2fe5297d698f3201e735b979fefd6d373891beb961f866c","sha256:149bee132895524c63fc735334d117dd7a4116161cebf1e845e0dc6461786616"],"state_sha256":"49a68a90944c61ef3e3d46339fe19a5d94c249e9df83b217644e73c897736cf7"}