{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:RB7KLCEKN2BI366E7VVDBPY5HT","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":"4cc060e4b76b203f5235c0c29690bdff794f6b6b9486dc18d7c40897197372ca","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2019-01-16T02:12:42Z","title_canon_sha256":"7dee400c1b504cff01d937e368ea77441ee337164f2b4802bcfbe3ff477b21a3"},"schema_version":"1.0","source":{"id":"1902.03177","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.03177","created_at":"2026-05-17T23:54:27Z"},{"alias_kind":"arxiv_version","alias_value":"1902.03177v1","created_at":"2026-05-17T23:54:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.03177","created_at":"2026-05-17T23:54:27Z"},{"alias_kind":"pith_short_12","alias_value":"RB7KLCEKN2BI","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"RB7KLCEKN2BI366E","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"RB7KLCEK","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:71833e79f654bf1699904df230c14f26470367dcd659c85e2a07773c851c8bcb","target":"graph","created_at":"2026-05-17T23:54:27Z","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":"In this paper, we propose a dual-hop RF (Radio-Frequency)/FSO (Free-Space Optical) system with multiple relays employing the Decode-and-Forward (DF) and Amplify-and-Forward (AF) with a Fixed Gain (FG) relaying scheme. The RF channels are subject to a Rayleigh distribution while the optical links experience a unified fading model emcopassing the atmospheric turbulence that follows the M\\'alaga distribution (or also called the $\\mathcal{M}$-distribution), the atmospheric path loss and the pointing error. Partial relay selection (PRS) with outdated channel state information (CSI) is proposed to s","authors_text":"Bassem Khalfi, Bechir Hamdaoui, Elyes Balti, Mohsen Guizani","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2019-01-16T02:12:42Z","title":"Aggregate Hardware Impairments Over Mixed RF/FSO Relaying Systems With Outdated CSI"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.03177","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":"sha256:90f313dc46048d39bdc9ef63286411a1762418833fe4441a90a523718f2101e9","target":"record","created_at":"2026-05-17T23:54:27Z","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":"4cc060e4b76b203f5235c0c29690bdff794f6b6b9486dc18d7c40897197372ca","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2019-01-16T02:12:42Z","title_canon_sha256":"7dee400c1b504cff01d937e368ea77441ee337164f2b4802bcfbe3ff477b21a3"},"schema_version":"1.0","source":{"id":"1902.03177","kind":"arxiv","version":1}},"canonical_sha256":"887ea5888a6e828dfbc4fd6a30bf1d3cd4fdb4a5a63cc7605f31a5e0eb6bfe6a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"887ea5888a6e828dfbc4fd6a30bf1d3cd4fdb4a5a63cc7605f31a5e0eb6bfe6a","first_computed_at":"2026-05-17T23:54:27.720412Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:54:27.720412Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xWqAnIVRNHLuLoz5Smju3BszS1Ql8eurHe/FXZc4jKxTnluRyu6KR2dks5LbMiA0W4Pm+qFuAPKFlSmFharSDg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:54:27.721066Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.03177","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:90f313dc46048d39bdc9ef63286411a1762418833fe4441a90a523718f2101e9","sha256:71833e79f654bf1699904df230c14f26470367dcd659c85e2a07773c851c8bcb"],"state_sha256":"10c6f6062889cb5ceed782063673d57bf54918270b6dcaf0ede2ced1ddcce2f0"}