{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:NOBMKVE7ZF6IQCSIZ3YNWAIQPR","short_pith_number":"pith:NOBMKVE7","canonical_record":{"source":{"id":"1807.03930","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-07-11T02:22:57Z","cross_cats_sorted":["cs.NI"],"title_canon_sha256":"405a0151a0fd57f92bbff2a68dfb75bc568d7b0f1fb5df27af707a05ad56b10f","abstract_canon_sha256":"6397eb3af65d04eb6cf8788d33230ad9fb8a942e7bbfc743bff3296b2826fe6f"},"schema_version":"1.0"},"canonical_sha256":"6b82c5549fc97c880a48cef0db01107c564a78ba9555defe620637841dbefb00","source":{"kind":"arxiv","id":"1807.03930","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.03930","created_at":"2026-05-18T00:10:58Z"},{"alias_kind":"arxiv_version","alias_value":"1807.03930v1","created_at":"2026-05-18T00:10:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.03930","created_at":"2026-05-18T00:10:58Z"},{"alias_kind":"pith_short_12","alias_value":"NOBMKVE7ZF6I","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"NOBMKVE7ZF6IQCSI","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"NOBMKVE7","created_at":"2026-05-18T12:32:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:NOBMKVE7ZF6IQCSIZ3YNWAIQPR","target":"record","payload":{"canonical_record":{"source":{"id":"1807.03930","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-07-11T02:22:57Z","cross_cats_sorted":["cs.NI"],"title_canon_sha256":"405a0151a0fd57f92bbff2a68dfb75bc568d7b0f1fb5df27af707a05ad56b10f","abstract_canon_sha256":"6397eb3af65d04eb6cf8788d33230ad9fb8a942e7bbfc743bff3296b2826fe6f"},"schema_version":"1.0"},"canonical_sha256":"6b82c5549fc97c880a48cef0db01107c564a78ba9555defe620637841dbefb00","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:10:58.614563Z","signature_b64":"louqtu4e/N8Orj6KC589A2qUqIBaWGF6nkKIClKJQD4ojop0VEkvFblkBF6DLusG4+fiXy2Sb2AIwkZd3pV1Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6b82c5549fc97c880a48cef0db01107c564a78ba9555defe620637841dbefb00","last_reissued_at":"2026-05-18T00:10:58.613775Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:10:58.613775Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.03930","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":"2026-05-18T00:10:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sHI83wgYlvu7FvSR9iK85AWdglP2jXo/YN7anXlRdq8Hcj6YDhe0wz7uQsvQKDNdV5zuxopGIaTtM6XizbHfDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T12:11:53.960407Z"},"content_sha256":"f674c7e4c3882dcd5f08dc2bfc5c9347b80ea0e8990109d4343c018bb1ee0b40","schema_version":"1.0","event_id":"sha256:f674c7e4c3882dcd5f08dc2bfc5c9347b80ea0e8990109d4343c018bb1ee0b40"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:NOBMKVE7ZF6IQCSIZ3YNWAIQPR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Robust Beamforming Design in a NOMA Cognitive Radio Network Relying on SWIPT","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.NI"],"primary_cat":"eess.SP","authors_text":"Fuhui Zhou, Haijian Sun, Lajos Hanzo, Rose Qingyang Hu","submitted_at":"2018-07-11T02:22:57Z","abstract_excerpt":"This paper studies a multiple-input single-output non-orthogonal multiple access cognitive radio network relying on simultaneous wireless information and power transfer. A realistic non-linear energy harvesting model is applied and a power splitting architecture is adopted at each secondary user (SU). Since it is difficult to obtain perfect channel state information (CSI) in practice, instead either a bounded or gaussian CSI error model is considered. Our robust beamforming and power splitting ratio are jointly designed for two problems with different objectives, namely that of minimizing the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.03930","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":"2026-05-18T00:10:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UK4tAhaNvBxt37ePCrPAbSLuH2MXr/H0sEL6bi9GKBa1MES8mBx9KgJVPL9i9tJX28Arv6WjlZyKjk8OZX59Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T12:11:53.961066Z"},"content_sha256":"47bc57f6e751251b5b3517083715c239e208885be2b68ad71e3abc694b0c61c9","schema_version":"1.0","event_id":"sha256:47bc57f6e751251b5b3517083715c239e208885be2b68ad71e3abc694b0c61c9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NOBMKVE7ZF6IQCSIZ3YNWAIQPR/bundle.json","state_url":"https://pith.science/pith/NOBMKVE7ZF6IQCSIZ3YNWAIQPR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NOBMKVE7ZF6IQCSIZ3YNWAIQPR/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":"2026-05-24T12:11:53Z","links":{"resolver":"https://pith.science/pith/NOBMKVE7ZF6IQCSIZ3YNWAIQPR","bundle":"https://pith.science/pith/NOBMKVE7ZF6IQCSIZ3YNWAIQPR/bundle.json","state":"https://pith.science/pith/NOBMKVE7ZF6IQCSIZ3YNWAIQPR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NOBMKVE7ZF6IQCSIZ3YNWAIQPR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:NOBMKVE7ZF6IQCSIZ3YNWAIQPR","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":"6397eb3af65d04eb6cf8788d33230ad9fb8a942e7bbfc743bff3296b2826fe6f","cross_cats_sorted":["cs.NI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-07-11T02:22:57Z","title_canon_sha256":"405a0151a0fd57f92bbff2a68dfb75bc568d7b0f1fb5df27af707a05ad56b10f"},"schema_version":"1.0","source":{"id":"1807.03930","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.03930","created_at":"2026-05-18T00:10:58Z"},{"alias_kind":"arxiv_version","alias_value":"1807.03930v1","created_at":"2026-05-18T00:10:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.03930","created_at":"2026-05-18T00:10:58Z"},{"alias_kind":"pith_short_12","alias_value":"NOBMKVE7ZF6I","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"NOBMKVE7ZF6IQCSI","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"NOBMKVE7","created_at":"2026-05-18T12:32:40Z"}],"graph_snapshots":[{"event_id":"sha256:47bc57f6e751251b5b3517083715c239e208885be2b68ad71e3abc694b0c61c9","target":"graph","created_at":"2026-05-18T00:10:58Z","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 studies a multiple-input single-output non-orthogonal multiple access cognitive radio network relying on simultaneous wireless information and power transfer. A realistic non-linear energy harvesting model is applied and a power splitting architecture is adopted at each secondary user (SU). Since it is difficult to obtain perfect channel state information (CSI) in practice, instead either a bounded or gaussian CSI error model is considered. Our robust beamforming and power splitting ratio are jointly designed for two problems with different objectives, namely that of minimizing the ","authors_text":"Fuhui Zhou, Haijian Sun, Lajos Hanzo, Rose Qingyang Hu","cross_cats":["cs.NI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-07-11T02:22:57Z","title":"Robust Beamforming Design in a NOMA Cognitive Radio Network Relying on SWIPT"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.03930","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:f674c7e4c3882dcd5f08dc2bfc5c9347b80ea0e8990109d4343c018bb1ee0b40","target":"record","created_at":"2026-05-18T00:10:58Z","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":"6397eb3af65d04eb6cf8788d33230ad9fb8a942e7bbfc743bff3296b2826fe6f","cross_cats_sorted":["cs.NI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-07-11T02:22:57Z","title_canon_sha256":"405a0151a0fd57f92bbff2a68dfb75bc568d7b0f1fb5df27af707a05ad56b10f"},"schema_version":"1.0","source":{"id":"1807.03930","kind":"arxiv","version":1}},"canonical_sha256":"6b82c5549fc97c880a48cef0db01107c564a78ba9555defe620637841dbefb00","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6b82c5549fc97c880a48cef0db01107c564a78ba9555defe620637841dbefb00","first_computed_at":"2026-05-18T00:10:58.613775Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:10:58.613775Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"louqtu4e/N8Orj6KC589A2qUqIBaWGF6nkKIClKJQD4ojop0VEkvFblkBF6DLusG4+fiXy2Sb2AIwkZd3pV1Cg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:10:58.614563Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.03930","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f674c7e4c3882dcd5f08dc2bfc5c9347b80ea0e8990109d4343c018bb1ee0b40","sha256:47bc57f6e751251b5b3517083715c239e208885be2b68ad71e3abc694b0c61c9"],"state_sha256":"4a943c4ecbbbfea0234101e5c2e23471d08c7dcb0b5d0b09dddc065e23aa6185"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"It5e+MxAExb3yKH6rCFDAstGhWJliqFA2o73OQYJ2l4cnxz9VUAh7kCH34mrfc0JbSL2baR4lUBL5vg8aSE/CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T12:11:53.964556Z","bundle_sha256":"2421ac5fd9bd15630d40996ce809881dde4a1a5d42b63272e91b77843a8c7626"}}