{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:DJRAPHQZULGS3VXQY4XHH3I5TL","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":"05236f1b8f047a61c6fd87cfd4d502ce3e7a9ced349735989bdd0a71a04211ea","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2015-11-20T08:17:23Z","title_canon_sha256":"465e2cca6a45ba057a76dc116c7c88f642ee2d37894ba28ac1d734a9da817336"},"schema_version":"1.0","source":{"id":"1511.06518","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.06518","created_at":"2026-05-18T01:26:24Z"},{"alias_kind":"arxiv_version","alias_value":"1511.06518v1","created_at":"2026-05-18T01:26:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.06518","created_at":"2026-05-18T01:26:24Z"},{"alias_kind":"pith_short_12","alias_value":"DJRAPHQZULGS","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"DJRAPHQZULGS3VXQ","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"DJRAPHQZ","created_at":"2026-05-18T12:29:17Z"}],"graph_snapshots":[{"event_id":"sha256:2fc47f7cf15377d56e4a2bb4c8cb52e03ca82abeebc2675ddfb7ccddba98de5d","target":"graph","created_at":"2026-05-18T01:26:24Z","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":"This paper addresses the establishment of secure communication links between smart-meters (Alice) and an aggregator (Bob) in the presence of an eavesdropper (Eve). The proposed scenario assumes: (i) MIMOME wiretap channel; (ii) transmit antenna selection at the Alice; (iii) no channel state information at the transmitter; (iv) fixed Wyner codes; and (v) guarantee of secure throughput by both quality of service and secrecy outage constraints. We propose a simple protocol to enhance security via transmit antenna selection, and then assess its performance in closed-form by means of secrecy outage","authors_text":"Carlos H. M. de Lima, Hirley Alves, Matti Latva-aho, Mauricio Tom\\'e, Pedro H. J. Nardelli","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2015-11-20T08:17:23Z","title":"Enhanced Transmit Antenna Selection Scheme for Secure Throughput Maximization Without CSI at the Transmitter and its Applications on Smart Grids"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.06518","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:bf43984920d32cf7d5e4f439ffa723d3c26724406c98a8a51485ae80f11b199a","target":"record","created_at":"2026-05-18T01:26:24Z","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":"05236f1b8f047a61c6fd87cfd4d502ce3e7a9ced349735989bdd0a71a04211ea","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2015-11-20T08:17:23Z","title_canon_sha256":"465e2cca6a45ba057a76dc116c7c88f642ee2d37894ba28ac1d734a9da817336"},"schema_version":"1.0","source":{"id":"1511.06518","kind":"arxiv","version":1}},"canonical_sha256":"1a62079e19a2cd2dd6f0c72e73ed1d9ae242573e6618b24c30d0cbe8a0f00558","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1a62079e19a2cd2dd6f0c72e73ed1d9ae242573e6618b24c30d0cbe8a0f00558","first_computed_at":"2026-05-18T01:26:24.380972Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:26:24.380972Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c0lYPsPtAsaA85FcKSnePbReudXb300xAZc4RAeW6g82CTtaWZSuFOZMrBpVRX6JZGIyzXd/KAl7GsEJEIt9Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:26:24.381423Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.06518","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bf43984920d32cf7d5e4f439ffa723d3c26724406c98a8a51485ae80f11b199a","sha256:2fc47f7cf15377d56e4a2bb4c8cb52e03ca82abeebc2675ddfb7ccddba98de5d"],"state_sha256":"54778a89b393f5eb4b6c53b353a26e4a8b29d87f3e0a2ca96d8c0d48d564e519"}