{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:5AYN2XE5DVRHHTCNTTW2JHV2MK","short_pith_number":"pith:5AYN2XE5","canonical_record":{"source":{"id":"1903.06340","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2019-03-15T03:01:03Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"0dd2a4555b75cbea40f37b5388b18a2e727775819246bb9f594a3cd37afce4ca","abstract_canon_sha256":"f1a5e69dda05d66db7344a19b49e400c3b84f83ac9b3cd6c0dd1abdc6d244faf"},"schema_version":"1.0"},"canonical_sha256":"e830dd5c9d1d6273cc4d9ceda49eba629130632d6df02f787e3df15eee69cc82","source":{"kind":"arxiv","id":"1903.06340","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.06340","created_at":"2026-05-17T23:50:54Z"},{"alias_kind":"arxiv_version","alias_value":"1903.06340v1","created_at":"2026-05-17T23:50:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.06340","created_at":"2026-05-17T23:50:54Z"},{"alias_kind":"pith_short_12","alias_value":"5AYN2XE5DVRH","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"5AYN2XE5DVRHHTCN","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"5AYN2XE5","created_at":"2026-05-18T12:33:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:5AYN2XE5DVRHHTCNTTW2JHV2MK","target":"record","payload":{"canonical_record":{"source":{"id":"1903.06340","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2019-03-15T03:01:03Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"0dd2a4555b75cbea40f37b5388b18a2e727775819246bb9f594a3cd37afce4ca","abstract_canon_sha256":"f1a5e69dda05d66db7344a19b49e400c3b84f83ac9b3cd6c0dd1abdc6d244faf"},"schema_version":"1.0"},"canonical_sha256":"e830dd5c9d1d6273cc4d9ceda49eba629130632d6df02f787e3df15eee69cc82","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:54.721620Z","signature_b64":"xsfCartB6j48luSZF4SquK5azB3CR8IkZksWReHorrM7Jr2+aOhTWtX+qGq++Adcp06enzj3/0fJztMjls8jBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e830dd5c9d1d6273cc4d9ceda49eba629130632d6df02f787e3df15eee69cc82","last_reissued_at":"2026-05-17T23:50:54.720922Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:54.720922Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.06340","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":"2026-05-17T23:50:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KrCTJj9OLMH39XRAjyeiXzhrZKMMnxlE9aNwgZ9bAuxR6Zs4A8Z+j34xzioQ/8capYF2vdc3iarwP855mG7IDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T06:29:19.054171Z"},"content_sha256":"6bffc3847d90250efb4292120fed32f1e60e4e968e25b2802ff65ee58a2f24b0","schema_version":"1.0","event_id":"sha256:6bffc3847d90250efb4292120fed32f1e60e4e968e25b2802ff65ee58a2f24b0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:5AYN2XE5DVRHHTCNTTW2JHV2MK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Energy Efficiency Maximization for SWIPT Enabled Two-Way DF Relaying","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Hailin Zhang, Liqin Shi, Rose Qingyang Hu, Yinghui Ye","submitted_at":"2019-03-15T03:01:03Z","abstract_excerpt":"This paper focuses on the design of an optimal resource allocation scheme to maximize the energy efficiency (EE) in a simultaneous wireless information and power transfer (SWIPT) enabled two-way decode-and-forward (DF) relay network under a non-linear energy harvesting model. In particular, we formulate an optimization problem by jointly optimizing the transmit powers of two source nodes, the power-splitting (PS) ratios of the relay, and the time for the source-relay transmission, under multiple constraints including the transmit power constraints at sources and the minimum rate requirement. A"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.06340","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":"2026-05-17T23:50:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t0LyIZ7WEbNhCUlPVRR6/6A4Nrjw4qjUUu96qGUEbqL29z7eso9LECGxMmoJ196fv9ego+psAg3vmDzrrv96Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T06:29:19.054571Z"},"content_sha256":"c5f796f6bf0da5fa4c2c03e52be37977dbd1218cc7ddccff9f4e18d6110e3049","schema_version":"1.0","event_id":"sha256:c5f796f6bf0da5fa4c2c03e52be37977dbd1218cc7ddccff9f4e18d6110e3049"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5AYN2XE5DVRHHTCNTTW2JHV2MK/bundle.json","state_url":"https://pith.science/pith/5AYN2XE5DVRHHTCNTTW2JHV2MK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5AYN2XE5DVRHHTCNTTW2JHV2MK/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":"2026-05-30T06:29:19Z","links":{"resolver":"https://pith.science/pith/5AYN2XE5DVRHHTCNTTW2JHV2MK","bundle":"https://pith.science/pith/5AYN2XE5DVRHHTCNTTW2JHV2MK/bundle.json","state":"https://pith.science/pith/5AYN2XE5DVRHHTCNTTW2JHV2MK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5AYN2XE5DVRHHTCNTTW2JHV2MK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:5AYN2XE5DVRHHTCNTTW2JHV2MK","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":"f1a5e69dda05d66db7344a19b49e400c3b84f83ac9b3cd6c0dd1abdc6d244faf","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2019-03-15T03:01:03Z","title_canon_sha256":"0dd2a4555b75cbea40f37b5388b18a2e727775819246bb9f594a3cd37afce4ca"},"schema_version":"1.0","source":{"id":"1903.06340","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.06340","created_at":"2026-05-17T23:50:54Z"},{"alias_kind":"arxiv_version","alias_value":"1903.06340v1","created_at":"2026-05-17T23:50:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.06340","created_at":"2026-05-17T23:50:54Z"},{"alias_kind":"pith_short_12","alias_value":"5AYN2XE5DVRH","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"5AYN2XE5DVRHHTCN","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"5AYN2XE5","created_at":"2026-05-18T12:33:10Z"}],"graph_snapshots":[{"event_id":"sha256:c5f796f6bf0da5fa4c2c03e52be37977dbd1218cc7ddccff9f4e18d6110e3049","target":"graph","created_at":"2026-05-17T23:50:54Z","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 focuses on the design of an optimal resource allocation scheme to maximize the energy efficiency (EE) in a simultaneous wireless information and power transfer (SWIPT) enabled two-way decode-and-forward (DF) relay network under a non-linear energy harvesting model. In particular, we formulate an optimization problem by jointly optimizing the transmit powers of two source nodes, the power-splitting (PS) ratios of the relay, and the time for the source-relay transmission, under multiple constraints including the transmit power constraints at sources and the minimum rate requirement. A","authors_text":"Hailin Zhang, Liqin Shi, Rose Qingyang Hu, Yinghui Ye","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2019-03-15T03:01:03Z","title":"Energy Efficiency Maximization for SWIPT Enabled Two-Way DF Relaying"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.06340","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":"sha256:6bffc3847d90250efb4292120fed32f1e60e4e968e25b2802ff65ee58a2f24b0","target":"record","created_at":"2026-05-17T23:50:54Z","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":"f1a5e69dda05d66db7344a19b49e400c3b84f83ac9b3cd6c0dd1abdc6d244faf","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2019-03-15T03:01:03Z","title_canon_sha256":"0dd2a4555b75cbea40f37b5388b18a2e727775819246bb9f594a3cd37afce4ca"},"schema_version":"1.0","source":{"id":"1903.06340","kind":"arxiv","version":1}},"canonical_sha256":"e830dd5c9d1d6273cc4d9ceda49eba629130632d6df02f787e3df15eee69cc82","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e830dd5c9d1d6273cc4d9ceda49eba629130632d6df02f787e3df15eee69cc82","first_computed_at":"2026-05-17T23:50:54.720922Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:50:54.720922Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xsfCartB6j48luSZF4SquK5azB3CR8IkZksWReHorrM7Jr2+aOhTWtX+qGq++Adcp06enzj3/0fJztMjls8jBw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:50:54.721620Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.06340","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6bffc3847d90250efb4292120fed32f1e60e4e968e25b2802ff65ee58a2f24b0","sha256:c5f796f6bf0da5fa4c2c03e52be37977dbd1218cc7ddccff9f4e18d6110e3049"],"state_sha256":"7fbb67a6a967232ada0c2d885d5460fcbc59e0f80daedec5cc5f097095ecf8f3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dV+LPBaU9KaVxTrbek/ttY51QuO3EibTlyEKCXPOJY2HVDIDxeaPD0jkvXyX0T5xP9aPpD5t9DFxjmClRUDHAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T06:29:19.056579Z","bundle_sha256":"9676b29de3a6ef38039e97d89b9936784b2feae512a730602a858c7ee7591a8c"}}