{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:PYHZS3UG5R7DYPT426SNHHFGE5","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":"3a59c7926bc1ba4ade5f8625b2ebad03ac08ea52597c6c711f31bf39dd442b6e","cross_cats_sorted":["math.IT"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IT","submitted_at":"2022-03-17T05:24:23Z","title_canon_sha256":"2913bbea81d368025c60f77923f3423e353784b064607b20ab796dd1f2c0d421"},"schema_version":"1.0","source":{"id":"2203.09090","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.09090","created_at":"2026-07-05T04:06:07Z"},{"alias_kind":"arxiv_version","alias_value":"2203.09090v1","created_at":"2026-07-05T04:06:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.09090","created_at":"2026-07-05T04:06:07Z"},{"alias_kind":"pith_short_12","alias_value":"PYHZS3UG5R7D","created_at":"2026-07-05T04:06:07Z"},{"alias_kind":"pith_short_16","alias_value":"PYHZS3UG5R7DYPT4","created_at":"2026-07-05T04:06:07Z"},{"alias_kind":"pith_short_8","alias_value":"PYHZS3UG","created_at":"2026-07-05T04:06:07Z"}],"graph_snapshots":[{"event_id":"sha256:d5b745520d81bdf61badb45c9cc32fd47be66ffb0f8c15765ff91d88d7ebc4ed","target":"graph","created_at":"2026-07-05T04:06:07Z","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/2203.09090/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recently, reconfigurable intelligent surface (RIS), a planar metasurface consisting of a large number of low-cost reflecting elements, has received much attention due to its ability to improve both the spectrum and energy efficiencies by reconfiguring the wireless propagation environment. In this paper, we propose a RIS phase shift and BS beamforming optimization technique that minimizes the uplink transmit power of a RIS-aided IoT network. Key idea of the proposed scheme, referred to as Riemannian conjugate gradient-based joint optimization (RCG-JO), is to jointly optimize the RIS phase shift","authors_text":"Byonghyo Shim, Jiao Wu, Seungnyun Kim","cross_cats":["math.IT"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IT","submitted_at":"2022-03-17T05:24:23Z","title":"Energy-Efficient Power Control and Beamforming for Reconfigurable Intelligent Surface-Aided Uplink IoT Networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.09090","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":"sha256:2501bd41ea26ea851e0116bf166721d776848095261144ad6538a524ce6ad5a6","target":"record","created_at":"2026-07-05T04:06:07Z","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":"3a59c7926bc1ba4ade5f8625b2ebad03ac08ea52597c6c711f31bf39dd442b6e","cross_cats_sorted":["math.IT"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IT","submitted_at":"2022-03-17T05:24:23Z","title_canon_sha256":"2913bbea81d368025c60f77923f3423e353784b064607b20ab796dd1f2c0d421"},"schema_version":"1.0","source":{"id":"2203.09090","kind":"arxiv","version":1}},"canonical_sha256":"7e0f996e86ec7e3c3e7cd7a4d39ca6274dff8dd96d6421e6476231d57c7d431d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7e0f996e86ec7e3c3e7cd7a4d39ca6274dff8dd96d6421e6476231d57c7d431d","first_computed_at":"2026-07-05T04:06:07.206274Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:06:07.206274Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aBe85mnROAdC/egrJmOGA/xnj53V6Uv04MUPys2Y+aYjG1aMvxclj1yIZv41VPcEq5tt6KKlNnPVsIgv9DqrAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:06:07.206763Z","signed_message":"canonical_sha256_bytes"},"source_id":"2203.09090","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2501bd41ea26ea851e0116bf166721d776848095261144ad6538a524ce6ad5a6","sha256:d5b745520d81bdf61badb45c9cc32fd47be66ffb0f8c15765ff91d88d7ebc4ed"],"state_sha256":"a70a1487d45ce67b1aec3350e39a691527133b471bd6f49cf9542cc9dcf2c725"}