{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:TZQOGC7G7JC25RXCR3GKIONKVD","short_pith_number":"pith:TZQOGC7G","canonical_record":{"source":{"id":"1906.09344","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2019-06-21T22:11:29Z","cross_cats_sorted":["cs.SY","eess.SY"],"title_canon_sha256":"d998d7cca1c3128aa6cc22361029206f7bc73f62adce65861b09751b6153813e","abstract_canon_sha256":"6f6f0d2d205e1785a739e7b3fab1bdcfcb6ef41ad1e1c091659e91e4847ecd74"},"schema_version":"1.0"},"canonical_sha256":"9e60e30be6fa45aec6e28ecca439aaa8c773d4da6948982c3478202a885d7acf","source":{"kind":"arxiv","id":"1906.09344","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.09344","created_at":"2026-05-17T23:42:38Z"},{"alias_kind":"arxiv_version","alias_value":"1906.09344v1","created_at":"2026-05-17T23:42:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.09344","created_at":"2026-05-17T23:42:38Z"},{"alias_kind":"pith_short_12","alias_value":"TZQOGC7G7JC2","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"TZQOGC7G7JC25RXC","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"TZQOGC7G","created_at":"2026-05-18T12:33:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:TZQOGC7G7JC25RXCR3GKIONKVD","target":"record","payload":{"canonical_record":{"source":{"id":"1906.09344","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2019-06-21T22:11:29Z","cross_cats_sorted":["cs.SY","eess.SY"],"title_canon_sha256":"d998d7cca1c3128aa6cc22361029206f7bc73f62adce65861b09751b6153813e","abstract_canon_sha256":"6f6f0d2d205e1785a739e7b3fab1bdcfcb6ef41ad1e1c091659e91e4847ecd74"},"schema_version":"1.0"},"canonical_sha256":"9e60e30be6fa45aec6e28ecca439aaa8c773d4da6948982c3478202a885d7acf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:42:38.420802Z","signature_b64":"6knVarGxB6lpebEp7srnd+k10gwh1vms+v5LBlqxe7BIt+c5aeUzOCg1GB5Cm9gN4Oc7uS9L6e2AjoA0ycsFAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9e60e30be6fa45aec6e28ecca439aaa8c773d4da6948982c3478202a885d7acf","last_reissued_at":"2026-05-17T23:42:38.420265Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:42:38.420265Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.09344","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":"2026-05-17T23:42:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G5ccjkfYdqcKnbuN73WS73Lk7NarSzAqTNXOCqePecVuYscPX2XeYpDIX93MYn13CGhQjVMIFg3EF6a4MlvWAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T06:57:39.522331Z"},"content_sha256":"8fcc7c4fbf8df890ecf9b3f4ba7f2f0e16931c4c5dea46e3a80145e0e51e220e","schema_version":"1.0","event_id":"sha256:8fcc7c4fbf8df890ecf9b3f4ba7f2f0e16931c4c5dea46e3a80145e0e51e220e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:TZQOGC7G7JC25RXCR3GKIONKVD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Underpinnings of User-Channel Allocation in Non-Orthogonal Multiple Access for 5G","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SY","eess.SY"],"primary_cat":"eess.SP","authors_text":"Shabnam Sodagari","submitted_at":"2019-06-21T22:11:29Z","abstract_excerpt":"Non-orthogonal multiple access (NOMA) is a part of 5th generation (5G) communication systems. This article presents the underpinnings and underlying structures of the problem of NOMA user-channel allocation. Unlike the heuristics for NOMA user-channel allocation, the presented results are guaranteed to converge to a solution. In addition, the solutions are stable. Generally, the results apply to any NOMA system. Unlike the orthogonal frequency division multiple access (OFDMA) resource allocation problem, the core matching is not the solution to NOMA resource allocation. The conditions under wh"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.09344","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":"2026-05-17T23:42:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V26wVH+jMGsm8fv3+IjtYXgYViHXyXAyV3g0cNoIzxLGBOxd7G9OGaOrWmxezooaRzoPgw0a7NQZB6Rzed05Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T06:57:39.522675Z"},"content_sha256":"1322396dd6a4122e1aaa2b4855b110f862d9619dc44d9642b9eb752a1b15f384","schema_version":"1.0","event_id":"sha256:1322396dd6a4122e1aaa2b4855b110f862d9619dc44d9642b9eb752a1b15f384"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TZQOGC7G7JC25RXCR3GKIONKVD/bundle.json","state_url":"https://pith.science/pith/TZQOGC7G7JC25RXCR3GKIONKVD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TZQOGC7G7JC25RXCR3GKIONKVD/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":"2026-06-27T06:57:39Z","links":{"resolver":"https://pith.science/pith/TZQOGC7G7JC25RXCR3GKIONKVD","bundle":"https://pith.science/pith/TZQOGC7G7JC25RXCR3GKIONKVD/bundle.json","state":"https://pith.science/pith/TZQOGC7G7JC25RXCR3GKIONKVD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TZQOGC7G7JC25RXCR3GKIONKVD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:TZQOGC7G7JC25RXCR3GKIONKVD","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":"6f6f0d2d205e1785a739e7b3fab1bdcfcb6ef41ad1e1c091659e91e4847ecd74","cross_cats_sorted":["cs.SY","eess.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2019-06-21T22:11:29Z","title_canon_sha256":"d998d7cca1c3128aa6cc22361029206f7bc73f62adce65861b09751b6153813e"},"schema_version":"1.0","source":{"id":"1906.09344","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.09344","created_at":"2026-05-17T23:42:38Z"},{"alias_kind":"arxiv_version","alias_value":"1906.09344v1","created_at":"2026-05-17T23:42:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.09344","created_at":"2026-05-17T23:42:38Z"},{"alias_kind":"pith_short_12","alias_value":"TZQOGC7G7JC2","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"TZQOGC7G7JC25RXC","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"TZQOGC7G","created_at":"2026-05-18T12:33:30Z"}],"graph_snapshots":[{"event_id":"sha256:1322396dd6a4122e1aaa2b4855b110f862d9619dc44d9642b9eb752a1b15f384","target":"graph","created_at":"2026-05-17T23:42:38Z","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":"Non-orthogonal multiple access (NOMA) is a part of 5th generation (5G) communication systems. This article presents the underpinnings and underlying structures of the problem of NOMA user-channel allocation. Unlike the heuristics for NOMA user-channel allocation, the presented results are guaranteed to converge to a solution. In addition, the solutions are stable. Generally, the results apply to any NOMA system. Unlike the orthogonal frequency division multiple access (OFDMA) resource allocation problem, the core matching is not the solution to NOMA resource allocation. The conditions under wh","authors_text":"Shabnam Sodagari","cross_cats":["cs.SY","eess.SY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2019-06-21T22:11:29Z","title":"Underpinnings of User-Channel Allocation in Non-Orthogonal Multiple Access for 5G"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.09344","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":"sha256:8fcc7c4fbf8df890ecf9b3f4ba7f2f0e16931c4c5dea46e3a80145e0e51e220e","target":"record","created_at":"2026-05-17T23:42:38Z","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":"6f6f0d2d205e1785a739e7b3fab1bdcfcb6ef41ad1e1c091659e91e4847ecd74","cross_cats_sorted":["cs.SY","eess.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2019-06-21T22:11:29Z","title_canon_sha256":"d998d7cca1c3128aa6cc22361029206f7bc73f62adce65861b09751b6153813e"},"schema_version":"1.0","source":{"id":"1906.09344","kind":"arxiv","version":1}},"canonical_sha256":"9e60e30be6fa45aec6e28ecca439aaa8c773d4da6948982c3478202a885d7acf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9e60e30be6fa45aec6e28ecca439aaa8c773d4da6948982c3478202a885d7acf","first_computed_at":"2026-05-17T23:42:38.420265Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:42:38.420265Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6knVarGxB6lpebEp7srnd+k10gwh1vms+v5LBlqxe7BIt+c5aeUzOCg1GB5Cm9gN4Oc7uS9L6e2AjoA0ycsFAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:42:38.420802Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.09344","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8fcc7c4fbf8df890ecf9b3f4ba7f2f0e16931c4c5dea46e3a80145e0e51e220e","sha256:1322396dd6a4122e1aaa2b4855b110f862d9619dc44d9642b9eb752a1b15f384"],"state_sha256":"7d39ed1da7d59275c2d3fa34e313f3bda977629b31532c9c73db9674b87b6f3f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"okESD2ACSu84zsbRopUQi3RtcqCDVmxw+vGAf5oCpG4tGI9m5pnDEg0pHBNHtqjI9FuF7K9CpU2bEKnMpE0+Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T06:57:39.524507Z","bundle_sha256":"3c5159d9ea0adf0405367e701f6f4029bf60df3951195d0fa710abd72845917d"}}