{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:RLR4TMDM5ZSQLODH2SEH2QESCL","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":"eb17d2798890d52c277327d58f4ed9d561329a0e9bb64d787a658d440694b48c","cross_cats_sorted":["math.IT","math.OC","math.ST","stat.TH"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2018-09-05T10:30:33Z","title_canon_sha256":"a71bf70ef404573dba22ef38d84578073cd5daf2dbe72aa3c624b0dc64c42b1a"},"schema_version":"1.0","source":{"id":"1809.01423","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.01423","created_at":"2026-05-18T00:05:55Z"},{"alias_kind":"arxiv_version","alias_value":"1809.01423v2","created_at":"2026-05-18T00:05:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.01423","created_at":"2026-05-18T00:05:55Z"},{"alias_kind":"pith_short_12","alias_value":"RLR4TMDM5ZSQ","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"RLR4TMDM5ZSQLODH","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"RLR4TMDM","created_at":"2026-05-18T12:32:50Z"}],"graph_snapshots":[{"event_id":"sha256:2d6035b93b3ed45495b9728943b7364eb7ae4dd1d8e4cace2f0ca2724c96cf5b","target":"graph","created_at":"2026-05-18T00:05:55Z","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"},"paper":{"abstract_excerpt":"Intelligent reflecting surface (IRS) is envisioned to have abundant applications in future wireless networks by smartly reconfiguring the signal propagation for performance enhancement. Specifically, an IRS consists of a large number of low-cost passive elements each reflecting the incident signal with a certain phase shift to collaboratively achieve beamforming and suppress interference at one or more designated receivers. In this paper, we study an IRS-enhanced point-to-point multiple-input single-output (MISO) wireless system where one IRS is deployed to assist in the communication from a m","authors_text":"Qingqing Wu, Rui Zhang","cross_cats":["math.IT","math.OC","math.ST","stat.TH"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2018-09-05T10:30:33Z","title":"Intelligent Reflecting Surface Enhanced Wireless Network: Joint Active and Passive Beamforming Design"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.01423","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":"sha256:0078c30ca2177fc8b2c650b0a3af949fc61641577612492ac80616e06a1a4633","target":"record","created_at":"2026-05-18T00:05:55Z","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":"eb17d2798890d52c277327d58f4ed9d561329a0e9bb64d787a658d440694b48c","cross_cats_sorted":["math.IT","math.OC","math.ST","stat.TH"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2018-09-05T10:30:33Z","title_canon_sha256":"a71bf70ef404573dba22ef38d84578073cd5daf2dbe72aa3c624b0dc64c42b1a"},"schema_version":"1.0","source":{"id":"1809.01423","kind":"arxiv","version":2}},"canonical_sha256":"8ae3c9b06cee6505b867d4887d409212eb8f9134dd2892584ad7b002bfecfbb9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8ae3c9b06cee6505b867d4887d409212eb8f9134dd2892584ad7b002bfecfbb9","first_computed_at":"2026-05-18T00:05:55.666491Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:05:55.666491Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dKErYaf6CagcGFeY/ageYilcBFOoTNr5qNQ0bvBzjOxB6pb/dM2KLaDvrnrVGkul3s9k5en70ydraDML1XjhDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:05:55.667282Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.01423","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0078c30ca2177fc8b2c650b0a3af949fc61641577612492ac80616e06a1a4633","sha256:2d6035b93b3ed45495b9728943b7364eb7ae4dd1d8e4cace2f0ca2724c96cf5b"],"state_sha256":"d5ba2c0583a95651da4b98dbf2776208b490cdc9fe938995dc3a77fa2f9db26b"}