{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:IVN4KEN4UHFU22VAMCQG4ZVQY6","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":"17e2701c9ec71e5a44762d28b789d8061673acc11b4780260a97555b5a5cfa34","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2024-05-09T12:21:17Z","title_canon_sha256":"e50d5d26522e19db7abd4db25df88baf2852f248b85800d1b2fe5f11104c135b"},"schema_version":"1.0","source":{"id":"2405.05715","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.05715","created_at":"2026-07-05T08:17:25Z"},{"alias_kind":"arxiv_version","alias_value":"2405.05715v1","created_at":"2026-07-05T08:17:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.05715","created_at":"2026-07-05T08:17:25Z"},{"alias_kind":"pith_short_12","alias_value":"IVN4KEN4UHFU","created_at":"2026-07-05T08:17:25Z"},{"alias_kind":"pith_short_16","alias_value":"IVN4KEN4UHFU22VA","created_at":"2026-07-05T08:17:25Z"},{"alias_kind":"pith_short_8","alias_value":"IVN4KEN4","created_at":"2026-07-05T08:17:25Z"}],"graph_snapshots":[{"event_id":"sha256:3f0ff332b6221f0f00c26767facdf629dff82f2c71d33503dff44a27452a8ccf","target":"graph","created_at":"2026-07-05T08:17:25Z","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/2405.05715/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"As an emerging antenna technology, a fluid antenna system (FAS) enhances spatial diversity to improve both sensing and communication performance by shifting the active antennas among available ports. In this letter, we study the potential of shifting the integrated sensing and communication (ISAC) trade-off with FAS. We propose the model for FAS-enabled ISAC and jointly optimize the transmit beamforming and port selection of FAS. In particular, we aim to minimize the transmit power, while satisfying both communication and sensing requirements. An efficient iterative algorithm based on sparse o","authors_text":"Chao Wang, Christos Masouros, Hao Xu, Jiaqi Zou, Kai-Kit Wong, Kaitao Meng, Lvxin Xu, Songlin Sun","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2024-05-09T12:21:17Z","title":"Shifting the ISAC Trade-Off with Fluid Antenna Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.05715","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:e45ffc2e5b32fa5647d1e7b42971a07da6188dfef12139cce2ec607af1851658","target":"record","created_at":"2026-07-05T08:17:25Z","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":"17e2701c9ec71e5a44762d28b789d8061673acc11b4780260a97555b5a5cfa34","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2024-05-09T12:21:17Z","title_canon_sha256":"e50d5d26522e19db7abd4db25df88baf2852f248b85800d1b2fe5f11104c135b"},"schema_version":"1.0","source":{"id":"2405.05715","kind":"arxiv","version":1}},"canonical_sha256":"455bc511bca1cb4d6aa060a06e66b0c78ecf95c4bf9b5ee96ffeb14599e3a9fd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"455bc511bca1cb4d6aa060a06e66b0c78ecf95c4bf9b5ee96ffeb14599e3a9fd","first_computed_at":"2026-07-05T08:17:25.744638Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:17:25.744638Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OWvDIyOTpdY+jvwCyrCN22OHs0LBKLL4N3rVN6PupQmW47u0ia2RxjT5HCPoTQFL2V2HpS4WnWn3sarQ74qsDA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:17:25.745083Z","signed_message":"canonical_sha256_bytes"},"source_id":"2405.05715","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e45ffc2e5b32fa5647d1e7b42971a07da6188dfef12139cce2ec607af1851658","sha256:3f0ff332b6221f0f00c26767facdf629dff82f2c71d33503dff44a27452a8ccf"],"state_sha256":"57d7b1b0ac6e117d3b6b70192255fe39a2486bc03dfc05ee1bfbac312aa3b2c4"}