{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:ARMB7EBOGBGBGTCYOXRYPVG5XP","short_pith_number":"pith:ARMB7EBO","canonical_record":{"source":{"id":"1707.06571","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-07-20T15:29:22Z","cross_cats_sorted":["cs.NI","math.IT"],"title_canon_sha256":"1dd3ab46e667f0f5a075964a4f4425e58094d176740c13994af497d1213896a9","abstract_canon_sha256":"54604f8b89f579c45b31a28d1650577d90a6259e035b14af963ed55f95a6e099"},"schema_version":"1.0"},"canonical_sha256":"04581f902e304c134c5875e387d4ddbbde92e20be409971793fbfbaddfc41467","source":{"kind":"arxiv","id":"1707.06571","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.06571","created_at":"2026-05-18T00:39:45Z"},{"alias_kind":"arxiv_version","alias_value":"1707.06571v2","created_at":"2026-05-18T00:39:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.06571","created_at":"2026-05-18T00:39:45Z"},{"alias_kind":"pith_short_12","alias_value":"ARMB7EBOGBGB","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"ARMB7EBOGBGBGTCY","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"ARMB7EBO","created_at":"2026-05-18T12:31:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:ARMB7EBOGBGBGTCYOXRYPVG5XP","target":"record","payload":{"canonical_record":{"source":{"id":"1707.06571","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-07-20T15:29:22Z","cross_cats_sorted":["cs.NI","math.IT"],"title_canon_sha256":"1dd3ab46e667f0f5a075964a4f4425e58094d176740c13994af497d1213896a9","abstract_canon_sha256":"54604f8b89f579c45b31a28d1650577d90a6259e035b14af963ed55f95a6e099"},"schema_version":"1.0"},"canonical_sha256":"04581f902e304c134c5875e387d4ddbbde92e20be409971793fbfbaddfc41467","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:39:45.614682Z","signature_b64":"wB6YUbPtk5sMxilOndnE/BlRJ7Ag+6gTu3Ps1M4UE/gUotD+XFANDbR1GYRKaAi8LXM2EoTfzhShEUUoROLuBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"04581f902e304c134c5875e387d4ddbbde92e20be409971793fbfbaddfc41467","last_reissued_at":"2026-05-18T00:39:45.614056Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:39:45.614056Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1707.06571","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:39:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q5THj7MfrKhbwyeHZ1doeWjy6iArmPkpIT5kWkANv50nu4rF9cag0cdMpH6bM8B1O8sJHNJTelZCv7SsEquvBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T15:36:20.344262Z"},"content_sha256":"b3a57cf0b4f393d122f311a16076b703cf3e339d18712bc04bbcfd1f80699a56","schema_version":"1.0","event_id":"sha256:b3a57cf0b4f393d122f311a16076b703cf3e339d18712bc04bbcfd1f80699a56"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:ARMB7EBOGBGBGTCYOXRYPVG5XP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Performance Analysis of Non-Orthogonal Multiple Access in Free Space Optical Communication System","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.NI","math.IT"],"primary_cat":"cs.IT","authors_text":"Anhong Dang, Ruijie Li","submitted_at":"2017-07-20T15:29:22Z","abstract_excerpt":"In this paper, a multipoint-to-point system consisting K users and a central node with non-orthogonal multiple access (NOMA) technique over free space optical (FSO) channel is characterized for two cases. In the case of guaranteed user's quality of service (QoS), the outage probability is derived. Another case is that user's QoS is determined by their own channel conditions. The developed analytical results of ergodic sum data rate show that NOMA outperforms orthogonal multiple access (OMA). Besides, the power control scheme is proposed, and results show that the power control scheme has great"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.06571","kind":"arxiv","version":2},"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":"2026-05-18T00:39:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wPw2n5Msy9AJk7XhmJQt3gEyYdJwhv++IoiNIwmso/zKlcN3tQSGhQzkzDeW+bJcfD1Wm5wk4H9CONzdDm7HCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T15:36:20.344638Z"},"content_sha256":"a9e176f25836f274bb98644ef01f674bed4cc31cbb4329d4f08b97916c2c3498","schema_version":"1.0","event_id":"sha256:a9e176f25836f274bb98644ef01f674bed4cc31cbb4329d4f08b97916c2c3498"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ARMB7EBOGBGBGTCYOXRYPVG5XP/bundle.json","state_url":"https://pith.science/pith/ARMB7EBOGBGBGTCYOXRYPVG5XP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ARMB7EBOGBGBGTCYOXRYPVG5XP/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":"2026-06-04T15:36:20Z","links":{"resolver":"https://pith.science/pith/ARMB7EBOGBGBGTCYOXRYPVG5XP","bundle":"https://pith.science/pith/ARMB7EBOGBGBGTCYOXRYPVG5XP/bundle.json","state":"https://pith.science/pith/ARMB7EBOGBGBGTCYOXRYPVG5XP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ARMB7EBOGBGBGTCYOXRYPVG5XP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:ARMB7EBOGBGBGTCYOXRYPVG5XP","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":"54604f8b89f579c45b31a28d1650577d90a6259e035b14af963ed55f95a6e099","cross_cats_sorted":["cs.NI","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-07-20T15:29:22Z","title_canon_sha256":"1dd3ab46e667f0f5a075964a4f4425e58094d176740c13994af497d1213896a9"},"schema_version":"1.0","source":{"id":"1707.06571","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.06571","created_at":"2026-05-18T00:39:45Z"},{"alias_kind":"arxiv_version","alias_value":"1707.06571v2","created_at":"2026-05-18T00:39:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.06571","created_at":"2026-05-18T00:39:45Z"},{"alias_kind":"pith_short_12","alias_value":"ARMB7EBOGBGB","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"ARMB7EBOGBGBGTCY","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"ARMB7EBO","created_at":"2026-05-18T12:31:08Z"}],"graph_snapshots":[{"event_id":"sha256:a9e176f25836f274bb98644ef01f674bed4cc31cbb4329d4f08b97916c2c3498","target":"graph","created_at":"2026-05-18T00:39:45Z","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, a multipoint-to-point system consisting K users and a central node with non-orthogonal multiple access (NOMA) technique over free space optical (FSO) channel is characterized for two cases. In the case of guaranteed user's quality of service (QoS), the outage probability is derived. Another case is that user's QoS is determined by their own channel conditions. The developed analytical results of ergodic sum data rate show that NOMA outperforms orthogonal multiple access (OMA). Besides, the power control scheme is proposed, and results show that the power control scheme has great","authors_text":"Anhong Dang, Ruijie Li","cross_cats":["cs.NI","math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-07-20T15:29:22Z","title":"Performance Analysis of Non-Orthogonal Multiple Access in Free Space Optical Communication System"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.06571","kind":"arxiv","version":2},"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:b3a57cf0b4f393d122f311a16076b703cf3e339d18712bc04bbcfd1f80699a56","target":"record","created_at":"2026-05-18T00:39:45Z","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":"54604f8b89f579c45b31a28d1650577d90a6259e035b14af963ed55f95a6e099","cross_cats_sorted":["cs.NI","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-07-20T15:29:22Z","title_canon_sha256":"1dd3ab46e667f0f5a075964a4f4425e58094d176740c13994af497d1213896a9"},"schema_version":"1.0","source":{"id":"1707.06571","kind":"arxiv","version":2}},"canonical_sha256":"04581f902e304c134c5875e387d4ddbbde92e20be409971793fbfbaddfc41467","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"04581f902e304c134c5875e387d4ddbbde92e20be409971793fbfbaddfc41467","first_computed_at":"2026-05-18T00:39:45.614056Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:39:45.614056Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wB6YUbPtk5sMxilOndnE/BlRJ7Ag+6gTu3Ps1M4UE/gUotD+XFANDbR1GYRKaAi8LXM2EoTfzhShEUUoROLuBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:39:45.614682Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.06571","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b3a57cf0b4f393d122f311a16076b703cf3e339d18712bc04bbcfd1f80699a56","sha256:a9e176f25836f274bb98644ef01f674bed4cc31cbb4329d4f08b97916c2c3498"],"state_sha256":"efb342b51b7461c16d0dc56ae40308020f843a9db4f96ca2b240a6add88602ff"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SxRNIopWYuQhHfRrvyxXJIb33LXUOQRV/o8tsPaD4gs0Pg7P/9nYyE4RVOGTSuMfo5sjP7xwCTSfRc5udVrJAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T15:36:20.347157Z","bundle_sha256":"43e2d3594006e69638ca48c7350784c4b9f7180b105c6b040a2a3c813d4903ce"}}