{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:HKM7HMLGVXXYKPQ5NY2SVLWKW7","short_pith_number":"pith:HKM7HMLG","canonical_record":{"source":{"id":"2203.07054","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2022-03-14T12:50:16Z","cross_cats_sorted":[],"title_canon_sha256":"cf9cb356bccb75ec9e5671ee35294fc228aae375539b846b61ec06961ce3ecfc","abstract_canon_sha256":"e9d002850c574be4913bd36f7ee33ac2a81600e99191b9ef6a5dcb70baa8161e"},"schema_version":"1.0"},"canonical_sha256":"3a99f3b166adef853e1d6e352aaecab7e8c8e8d1893d5fe4cc89a744fe87f9bd","source":{"kind":"arxiv","id":"2203.07054","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.07054","created_at":"2026-07-05T04:15:01Z"},{"alias_kind":"arxiv_version","alias_value":"2203.07054v2","created_at":"2026-07-05T04:15:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.07054","created_at":"2026-07-05T04:15:01Z"},{"alias_kind":"pith_short_12","alias_value":"HKM7HMLGVXXY","created_at":"2026-07-05T04:15:01Z"},{"alias_kind":"pith_short_16","alias_value":"HKM7HMLGVXXYKPQ5","created_at":"2026-07-05T04:15:01Z"},{"alias_kind":"pith_short_8","alias_value":"HKM7HMLG","created_at":"2026-07-05T04:15:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:HKM7HMLGVXXYKPQ5NY2SVLWKW7","target":"record","payload":{"canonical_record":{"source":{"id":"2203.07054","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2022-03-14T12:50:16Z","cross_cats_sorted":[],"title_canon_sha256":"cf9cb356bccb75ec9e5671ee35294fc228aae375539b846b61ec06961ce3ecfc","abstract_canon_sha256":"e9d002850c574be4913bd36f7ee33ac2a81600e99191b9ef6a5dcb70baa8161e"},"schema_version":"1.0"},"canonical_sha256":"3a99f3b166adef853e1d6e352aaecab7e8c8e8d1893d5fe4cc89a744fe87f9bd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:15:01.112737Z","signature_b64":"mEHaGa/zbmmvovnEK0pTTefXAU+oaIUD2SgdYjX71qL6dIzvWVUVijZ0Z/bggQOJUCeruPyhOHhjhETo1YazBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3a99f3b166adef853e1d6e352aaecab7e8c8e8d1893d5fe4cc89a744fe87f9bd","last_reissued_at":"2026-07-05T04:15:01.112204Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:15:01.112204Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2203.07054","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:15:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"31X6FPyKxQ+p2mmNvJitC6pPSTZZYIcd1MbzcmBoJJQdPdFnEWewj1y2eOzZG2VSdiE3GfJjjdMK3WE2aXIBBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T15:50:42.079467Z"},"content_sha256":"da435782dfcf626fefecea02cea9f5719644c4bd0483ec328c37318b62d9bbdc","schema_version":"1.0","event_id":"sha256:da435782dfcf626fefecea02cea9f5719644c4bd0483ec328c37318b62d9bbdc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:HKM7HMLGVXXYKPQ5NY2SVLWKW7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Energy Efficiency Maximization of Simultaneous Transmission and Reflection RIS Assisted Full-Duplex Communications","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Hongkang Yu, Pengxin Guan, Yiru Wang, Yuping Zhao","submitted_at":"2022-03-14T12:50:16Z","abstract_excerpt":"This work studies the effectiveness of a novel simultaneous transmission and reflection reconfigurable intelligent surface (STAR-RIS) aided Full-Duplex (FD) communication system. We aim to maximize the energy efficiency by jointly optimizing the transmit power and passive beamforming at the STAR-RIS. We propose an efficient algorithm to optimize them iteratively under the alternating optimization framework. The successive convex approximation (SCA) and Dinkelbach's method are used to solve the power optimization subproblem. The penalty-based method is used to design passive beamforming at the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.07054","kind":"arxiv","version":2},"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/2203.07054/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:15:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RIUiSudgj0o6ZWl7L9YzoOMPLuxuUOM5qIe4WSIwVMIYxrSB+JoiAqS/6N3nh8/aRabaVFv3N4czY+sDmx/yCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T15:50:42.079988Z"},"content_sha256":"742f53fd9a845c9d585881445092f60b9410b8b8eb1a9839fe7d20013b35910e","schema_version":"1.0","event_id":"sha256:742f53fd9a845c9d585881445092f60b9410b8b8eb1a9839fe7d20013b35910e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HKM7HMLGVXXYKPQ5NY2SVLWKW7/bundle.json","state_url":"https://pith.science/pith/HKM7HMLGVXXYKPQ5NY2SVLWKW7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HKM7HMLGVXXYKPQ5NY2SVLWKW7/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-21T15:50:42Z","links":{"resolver":"https://pith.science/pith/HKM7HMLGVXXYKPQ5NY2SVLWKW7","bundle":"https://pith.science/pith/HKM7HMLGVXXYKPQ5NY2SVLWKW7/bundle.json","state":"https://pith.science/pith/HKM7HMLGVXXYKPQ5NY2SVLWKW7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HKM7HMLGVXXYKPQ5NY2SVLWKW7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:HKM7HMLGVXXYKPQ5NY2SVLWKW7","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":"e9d002850c574be4913bd36f7ee33ac2a81600e99191b9ef6a5dcb70baa8161e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2022-03-14T12:50:16Z","title_canon_sha256":"cf9cb356bccb75ec9e5671ee35294fc228aae375539b846b61ec06961ce3ecfc"},"schema_version":"1.0","source":{"id":"2203.07054","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.07054","created_at":"2026-07-05T04:15:01Z"},{"alias_kind":"arxiv_version","alias_value":"2203.07054v2","created_at":"2026-07-05T04:15:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.07054","created_at":"2026-07-05T04:15:01Z"},{"alias_kind":"pith_short_12","alias_value":"HKM7HMLGVXXY","created_at":"2026-07-05T04:15:01Z"},{"alias_kind":"pith_short_16","alias_value":"HKM7HMLGVXXYKPQ5","created_at":"2026-07-05T04:15:01Z"},{"alias_kind":"pith_short_8","alias_value":"HKM7HMLG","created_at":"2026-07-05T04:15:01Z"}],"graph_snapshots":[{"event_id":"sha256:742f53fd9a845c9d585881445092f60b9410b8b8eb1a9839fe7d20013b35910e","target":"graph","created_at":"2026-07-05T04:15:01Z","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/2203.07054/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This work studies the effectiveness of a novel simultaneous transmission and reflection reconfigurable intelligent surface (STAR-RIS) aided Full-Duplex (FD) communication system. We aim to maximize the energy efficiency by jointly optimizing the transmit power and passive beamforming at the STAR-RIS. We propose an efficient algorithm to optimize them iteratively under the alternating optimization framework. The successive convex approximation (SCA) and Dinkelbach's method are used to solve the power optimization subproblem. The penalty-based method is used to design passive beamforming at the ","authors_text":"Hongkang Yu, Pengxin Guan, Yiru Wang, Yuping Zhao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2022-03-14T12:50:16Z","title":"Energy Efficiency Maximization of Simultaneous Transmission and Reflection RIS Assisted Full-Duplex Communications"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.07054","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:da435782dfcf626fefecea02cea9f5719644c4bd0483ec328c37318b62d9bbdc","target":"record","created_at":"2026-07-05T04:15:01Z","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":"e9d002850c574be4913bd36f7ee33ac2a81600e99191b9ef6a5dcb70baa8161e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2022-03-14T12:50:16Z","title_canon_sha256":"cf9cb356bccb75ec9e5671ee35294fc228aae375539b846b61ec06961ce3ecfc"},"schema_version":"1.0","source":{"id":"2203.07054","kind":"arxiv","version":2}},"canonical_sha256":"3a99f3b166adef853e1d6e352aaecab7e8c8e8d1893d5fe4cc89a744fe87f9bd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3a99f3b166adef853e1d6e352aaecab7e8c8e8d1893d5fe4cc89a744fe87f9bd","first_computed_at":"2026-07-05T04:15:01.112204Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:15:01.112204Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mEHaGa/zbmmvovnEK0pTTefXAU+oaIUD2SgdYjX71qL6dIzvWVUVijZ0Z/bggQOJUCeruPyhOHhjhETo1YazBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:15:01.112737Z","signed_message":"canonical_sha256_bytes"},"source_id":"2203.07054","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:da435782dfcf626fefecea02cea9f5719644c4bd0483ec328c37318b62d9bbdc","sha256:742f53fd9a845c9d585881445092f60b9410b8b8eb1a9839fe7d20013b35910e"],"state_sha256":"6ce5705b2158f205a820c094c549abbaaf9a30e607d61b6dfcc369dcba290f64"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KH/EE4lh/MZmRl4Bm2QfTe71bMePsNFDlBu0NbiwyH7rvG7wlHc7/2C3B4NpMcnrmJLeT5OVoD/UCax0xXG7Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T15:50:42.089765Z","bundle_sha256":"70ab39cc346dd8b32595ad4cbe4ff1573466d778f53926aeed2378d88f780b7d"}}