{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:ZJSUTBNTVXAFKVJIIW4KAM6IWD","short_pith_number":"pith:ZJSUTBNT","canonical_record":{"source":{"id":"1008.2571","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2010-08-16T04:46:30Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"b8b6585f73ceb560ea32ee8e09005974d519569e94907baf62126055da4b85a6","abstract_canon_sha256":"b60a181738e1112c5c23687f2f435807edb59276e850bb7135cbdd2aa2582c38"},"schema_version":"1.0"},"canonical_sha256":"ca654985b3adc055552845b8a033c8b0f5e2ab2752b1cecc9ca187cd5df02474","source":{"kind":"arxiv","id":"1008.2571","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.2571","created_at":"2026-05-18T00:57:57Z"},{"alias_kind":"arxiv_version","alias_value":"1008.2571v1","created_at":"2026-05-18T00:57:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.2571","created_at":"2026-05-18T00:57:57Z"},{"alias_kind":"pith_short_12","alias_value":"ZJSUTBNTVXAF","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"ZJSUTBNTVXAFKVJI","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"ZJSUTBNT","created_at":"2026-05-18T12:26:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:ZJSUTBNTVXAFKVJIIW4KAM6IWD","target":"record","payload":{"canonical_record":{"source":{"id":"1008.2571","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2010-08-16T04:46:30Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"b8b6585f73ceb560ea32ee8e09005974d519569e94907baf62126055da4b85a6","abstract_canon_sha256":"b60a181738e1112c5c23687f2f435807edb59276e850bb7135cbdd2aa2582c38"},"schema_version":"1.0"},"canonical_sha256":"ca654985b3adc055552845b8a033c8b0f5e2ab2752b1cecc9ca187cd5df02474","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:57:57.695847Z","signature_b64":"OeWsIoyFx+gnsgBvCl/WUp7ovHA2RnU1I0E1j2DLypb78JpuCmCU5UeOF/W5A8i9NW2eFLXrNXq+0PNO1eBwAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ca654985b3adc055552845b8a033c8b0f5e2ab2752b1cecc9ca187cd5df02474","last_reissued_at":"2026-05-18T00:57:57.695247Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:57:57.695247Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1008.2571","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:57:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G/+/xUBpq24fvF7vFggIew0MrWSnXscc7noqkIgbnI1ns1e7zfK/gKxqPlnPqBm3YB2UQy/d6cF2j5gXwAHaDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T12:56:41.211739Z"},"content_sha256":"51099615a72230e02563ce484001b1ad04948913d37e833d58eac4d457d13484","schema_version":"1.0","event_id":"sha256:51099615a72230e02563ce484001b1ad04948913d37e833d58eac4d457d13484"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:ZJSUTBNTVXAFKVJIIW4KAM6IWD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cooperative Secret Communication with Artificial Noise in Symmetric Interference Channel","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Jianhua Mo, Jingge Zhu, Meixia Tao","submitted_at":"2010-08-16T04:46:30Z","abstract_excerpt":"We consider the symmetric Gaussian interference channel where two users try to enhance their secrecy rates in a cooperative manner. Artificial noise is introduced along with useful information. We derive the power control and artificial noise parameter for two kinds of optimal points, max-min point and single user point. It is shown that there exists a critical value $P_c$ of the power constraint, below which the max-min point is an optimal point on the secrecy rate region, and above which time-sharing between single user points achieves larger secrecy rate pairs. It is also shown that artific"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.2571","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:57:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cJ547ihvbfntutDaYfM3LbMlYKOf7DjFIgQQovyabM+vVpgT4jbNlE9zC4tF18El8ggHIl/o1P+dHceXMjVNCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T12:56:41.212366Z"},"content_sha256":"8f7f114d2ed5c586cb09e390a8fd057bb6e79cdcd194360433a8639092178252","schema_version":"1.0","event_id":"sha256:8f7f114d2ed5c586cb09e390a8fd057bb6e79cdcd194360433a8639092178252"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZJSUTBNTVXAFKVJIIW4KAM6IWD/bundle.json","state_url":"https://pith.science/pith/ZJSUTBNTVXAFKVJIIW4KAM6IWD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZJSUTBNTVXAFKVJIIW4KAM6IWD/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-25T12:56:41Z","links":{"resolver":"https://pith.science/pith/ZJSUTBNTVXAFKVJIIW4KAM6IWD","bundle":"https://pith.science/pith/ZJSUTBNTVXAFKVJIIW4KAM6IWD/bundle.json","state":"https://pith.science/pith/ZJSUTBNTVXAFKVJIIW4KAM6IWD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZJSUTBNTVXAFKVJIIW4KAM6IWD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:ZJSUTBNTVXAFKVJIIW4KAM6IWD","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":"b60a181738e1112c5c23687f2f435807edb59276e850bb7135cbdd2aa2582c38","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2010-08-16T04:46:30Z","title_canon_sha256":"b8b6585f73ceb560ea32ee8e09005974d519569e94907baf62126055da4b85a6"},"schema_version":"1.0","source":{"id":"1008.2571","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.2571","created_at":"2026-05-18T00:57:57Z"},{"alias_kind":"arxiv_version","alias_value":"1008.2571v1","created_at":"2026-05-18T00:57:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.2571","created_at":"2026-05-18T00:57:57Z"},{"alias_kind":"pith_short_12","alias_value":"ZJSUTBNTVXAF","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"ZJSUTBNTVXAFKVJI","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"ZJSUTBNT","created_at":"2026-05-18T12:26:18Z"}],"graph_snapshots":[{"event_id":"sha256:8f7f114d2ed5c586cb09e390a8fd057bb6e79cdcd194360433a8639092178252","target":"graph","created_at":"2026-05-18T00:57:57Z","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":"We consider the symmetric Gaussian interference channel where two users try to enhance their secrecy rates in a cooperative manner. Artificial noise is introduced along with useful information. We derive the power control and artificial noise parameter for two kinds of optimal points, max-min point and single user point. It is shown that there exists a critical value $P_c$ of the power constraint, below which the max-min point is an optimal point on the secrecy rate region, and above which time-sharing between single user points achieves larger secrecy rate pairs. It is also shown that artific","authors_text":"Jianhua Mo, Jingge Zhu, Meixia Tao","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2010-08-16T04:46:30Z","title":"Cooperative Secret Communication with Artificial Noise in Symmetric Interference Channel"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.2571","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":"sha256:51099615a72230e02563ce484001b1ad04948913d37e833d58eac4d457d13484","target":"record","created_at":"2026-05-18T00:57:57Z","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":"b60a181738e1112c5c23687f2f435807edb59276e850bb7135cbdd2aa2582c38","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2010-08-16T04:46:30Z","title_canon_sha256":"b8b6585f73ceb560ea32ee8e09005974d519569e94907baf62126055da4b85a6"},"schema_version":"1.0","source":{"id":"1008.2571","kind":"arxiv","version":1}},"canonical_sha256":"ca654985b3adc055552845b8a033c8b0f5e2ab2752b1cecc9ca187cd5df02474","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ca654985b3adc055552845b8a033c8b0f5e2ab2752b1cecc9ca187cd5df02474","first_computed_at":"2026-05-18T00:57:57.695247Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:57:57.695247Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OeWsIoyFx+gnsgBvCl/WUp7ovHA2RnU1I0E1j2DLypb78JpuCmCU5UeOF/W5A8i9NW2eFLXrNXq+0PNO1eBwAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:57:57.695847Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.2571","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:51099615a72230e02563ce484001b1ad04948913d37e833d58eac4d457d13484","sha256:8f7f114d2ed5c586cb09e390a8fd057bb6e79cdcd194360433a8639092178252"],"state_sha256":"6c3f69a66187ef823f462d7460fdd4dc419d406b74b44890aad968a224164269"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DeDxZd48N6pz/8bz5Qg8B80HmRlBdvD3VbtCc05WAErpJQWMhLUxifrNMYhJAMHNcLLCR+0tFKSqQGjS9CtBCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T12:56:41.217825Z","bundle_sha256":"86c6f2c18a08b591bb6315fae7d2eb9e123fc197265ec634285127d003554e53"}}