{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:4MRU3ZGOTC3EZMVGWKLXIREVGA","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":"7579e1ed584bcd06f5a2c24bf50c25307d74695e32e3bbca280f079a1de68ac4","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2014-01-25T05:24:12Z","title_canon_sha256":"41bcc375c95428962605eab3b0dbcaa51eaf3e2e7233666eaf56ac7032286acb"},"schema_version":"1.0","source":{"id":"1401.6499","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.6499","created_at":"2026-05-18T03:01:01Z"},{"alias_kind":"arxiv_version","alias_value":"1401.6499v1","created_at":"2026-05-18T03:01:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.6499","created_at":"2026-05-18T03:01:01Z"},{"alias_kind":"pith_short_12","alias_value":"4MRU3ZGOTC3E","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"4MRU3ZGOTC3EZMVG","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"4MRU3ZGO","created_at":"2026-05-18T12:28:14Z"}],"graph_snapshots":[{"event_id":"sha256:6e7635c76c2acb4e8e8bcccc35e0e22c7ddd32061aa7040411c510a5faf34701","target":"graph","created_at":"2026-05-18T03:01:01Z","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 consider transmitter optimization in multiple-input single-output (MISO) broadcast channel with common and secret messages. The secret message is intended for $K$ users and it is transmitted with perfect secrecy with respect to $J$ eavesdroppers which are also assumed to be legitimate users in the network. The common message is transmitted at a fixed rate $R_{0}$ and it is intended for all $K$ users and $J$ eavesdroppers. The source operates under a total power constraint. It also injects artificial noise to improve the secrecy rate. We obtain the optimum covariance matrices ","authors_text":"A. Chockalingam, Sanjay Vishwakarma","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2014-01-25T05:24:12Z","title":"Transmitter Optimization in MISO Broadcast Channel with Common and Secret Messages"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.6499","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":"sha256:741ac78ae93eb0c44af313b8af93f501fa6a28cbbb8d02fefaa09ea09c3d99b7","target":"record","created_at":"2026-05-18T03:01:01Z","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":"7579e1ed584bcd06f5a2c24bf50c25307d74695e32e3bbca280f079a1de68ac4","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2014-01-25T05:24:12Z","title_canon_sha256":"41bcc375c95428962605eab3b0dbcaa51eaf3e2e7233666eaf56ac7032286acb"},"schema_version":"1.0","source":{"id":"1401.6499","kind":"arxiv","version":1}},"canonical_sha256":"e3234de4ce98b64cb2a6b297744495302295b01fa230ef7d6b3c63e9fbe6e77c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e3234de4ce98b64cb2a6b297744495302295b01fa230ef7d6b3c63e9fbe6e77c","first_computed_at":"2026-05-18T03:01:01.596987Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:01:01.596987Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sXWgHTlW/+9qIsTi00a1MjgIiaEytPzA9FOaaaUKBWlCmhJFfqY23CSp8f+xF10YfrfmXkAJjrqZ5UWfMDDrAA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:01:01.597718Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.6499","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:741ac78ae93eb0c44af313b8af93f501fa6a28cbbb8d02fefaa09ea09c3d99b7","sha256:6e7635c76c2acb4e8e8bcccc35e0e22c7ddd32061aa7040411c510a5faf34701"],"state_sha256":"a13f84a3d0994ba84765f619268c23fd55d1379effa859cd3b579dee1147e972"}