{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:767IOWEE3CHIL2SHNLGE2QRQZR","short_pith_number":"pith:767IOWEE","canonical_record":{"source":{"id":"1703.02025","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-03-06T18:51:32Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"a61b5bced58b8e3a715f931c8a869fe493e7a8db17de6dae218af60228fb0515","abstract_canon_sha256":"2de668faccd02f6dd905a22f40f473335926e847cf9f4eadeadec19a8356d143"},"schema_version":"1.0"},"canonical_sha256":"ffbe875884d88e85ea476acc4d4230cc7757de532662ab53b3b0c11f829680a5","source":{"kind":"arxiv","id":"1703.02025","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.02025","created_at":"2026-05-18T00:49:25Z"},{"alias_kind":"arxiv_version","alias_value":"1703.02025v1","created_at":"2026-05-18T00:49:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.02025","created_at":"2026-05-18T00:49:25Z"},{"alias_kind":"pith_short_12","alias_value":"767IOWEE3CHI","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"767IOWEE3CHIL2SH","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"767IOWEE","created_at":"2026-05-18T12:31:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:767IOWEE3CHIL2SHNLGE2QRQZR","target":"record","payload":{"canonical_record":{"source":{"id":"1703.02025","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-03-06T18:51:32Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"a61b5bced58b8e3a715f931c8a869fe493e7a8db17de6dae218af60228fb0515","abstract_canon_sha256":"2de668faccd02f6dd905a22f40f473335926e847cf9f4eadeadec19a8356d143"},"schema_version":"1.0"},"canonical_sha256":"ffbe875884d88e85ea476acc4d4230cc7757de532662ab53b3b0c11f829680a5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:49:25.557273Z","signature_b64":"3nUEINlCkyUa1BWVNEKiPUWJwmfnbRMB+rk7lVKpfiuEVIi9RJpBk/Z/6GZh6rmGFyEbvjf5FFq5QhXBaA9GDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ffbe875884d88e85ea476acc4d4230cc7757de532662ab53b3b0c11f829680a5","last_reissued_at":"2026-05-18T00:49:25.556717Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:49:25.556717Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1703.02025","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":"2026-05-18T00:49:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cNSI+YicFezIczQLHFFg6CbZbQMKdTYbG8jWPcWpwd9O/oIMMI3sDENELg1XmUlLaXsIID8ehlEEifnQ4yNbBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T18:49:27.675387Z"},"content_sha256":"44921e154002107983ee0b4f39c7ec02d1a7c4363ba759f8a5a7f39a8d4edab9","schema_version":"1.0","event_id":"sha256:44921e154002107983ee0b4f39c7ec02d1a7c4363ba759f8a5a7f39a8d4edab9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:767IOWEE3CHIL2SHNLGE2QRQZR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Distributed Beamforming with Wirelessly Powered Relay Nodes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Ammar Mahmood, Muhammad Mahboob Ur Rahman, Muhammad Ozair Iqbal, Qammer H. Abbasi","submitted_at":"2017-03-06T18:51:32Z","abstract_excerpt":"This paper studies a system where a set of $N$ relay nodes harvest energy from the signal received from a source to later utilize it when forwarding the source's data to a destination node via distributed beamforming. To this end, we derive (approximate) analytical expressions for the mean SNR at destination node when relays employ: i) time-switching based energy harvesting policy, ii) power-splitting based energy harvesting policy. The obtained results facilitate the study of the interplay between the energy harvesting parameters and the synchronization error, and their combined impact on mea"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.02025","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":"2026-05-18T00:49:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RKNekIt3DTqjJGTUkGpUERkL/oj+YSJuIe+iXS+1NnYzm6LjP2e2/bKIElpJLA4XNmSr2cl/+TMrzoLWbZ/iAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T18:49:27.676097Z"},"content_sha256":"40a2bcb1374c6753fd953282932f00ae980d36cc8fb17adaa1c2623a7184cf08","schema_version":"1.0","event_id":"sha256:40a2bcb1374c6753fd953282932f00ae980d36cc8fb17adaa1c2623a7184cf08"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/767IOWEE3CHIL2SHNLGE2QRQZR/bundle.json","state_url":"https://pith.science/pith/767IOWEE3CHIL2SHNLGE2QRQZR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/767IOWEE3CHIL2SHNLGE2QRQZR/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":"2026-06-07T18:49:27Z","links":{"resolver":"https://pith.science/pith/767IOWEE3CHIL2SHNLGE2QRQZR","bundle":"https://pith.science/pith/767IOWEE3CHIL2SHNLGE2QRQZR/bundle.json","state":"https://pith.science/pith/767IOWEE3CHIL2SHNLGE2QRQZR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/767IOWEE3CHIL2SHNLGE2QRQZR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:767IOWEE3CHIL2SHNLGE2QRQZR","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":"2de668faccd02f6dd905a22f40f473335926e847cf9f4eadeadec19a8356d143","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-03-06T18:51:32Z","title_canon_sha256":"a61b5bced58b8e3a715f931c8a869fe493e7a8db17de6dae218af60228fb0515"},"schema_version":"1.0","source":{"id":"1703.02025","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.02025","created_at":"2026-05-18T00:49:25Z"},{"alias_kind":"arxiv_version","alias_value":"1703.02025v1","created_at":"2026-05-18T00:49:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.02025","created_at":"2026-05-18T00:49:25Z"},{"alias_kind":"pith_short_12","alias_value":"767IOWEE3CHI","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"767IOWEE3CHIL2SH","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"767IOWEE","created_at":"2026-05-18T12:31:03Z"}],"graph_snapshots":[{"event_id":"sha256:40a2bcb1374c6753fd953282932f00ae980d36cc8fb17adaa1c2623a7184cf08","target":"graph","created_at":"2026-05-18T00:49:25Z","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 system where a set of $N$ relay nodes harvest energy from the signal received from a source to later utilize it when forwarding the source's data to a destination node via distributed beamforming. To this end, we derive (approximate) analytical expressions for the mean SNR at destination node when relays employ: i) time-switching based energy harvesting policy, ii) power-splitting based energy harvesting policy. The obtained results facilitate the study of the interplay between the energy harvesting parameters and the synchronization error, and their combined impact on mea","authors_text":"Ammar Mahmood, Muhammad Mahboob Ur Rahman, Muhammad Ozair Iqbal, Qammer H. Abbasi","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-03-06T18:51:32Z","title":"Distributed Beamforming with Wirelessly Powered Relay Nodes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.02025","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":"sha256:44921e154002107983ee0b4f39c7ec02d1a7c4363ba759f8a5a7f39a8d4edab9","target":"record","created_at":"2026-05-18T00:49:25Z","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":"2de668faccd02f6dd905a22f40f473335926e847cf9f4eadeadec19a8356d143","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-03-06T18:51:32Z","title_canon_sha256":"a61b5bced58b8e3a715f931c8a869fe493e7a8db17de6dae218af60228fb0515"},"schema_version":"1.0","source":{"id":"1703.02025","kind":"arxiv","version":1}},"canonical_sha256":"ffbe875884d88e85ea476acc4d4230cc7757de532662ab53b3b0c11f829680a5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ffbe875884d88e85ea476acc4d4230cc7757de532662ab53b3b0c11f829680a5","first_computed_at":"2026-05-18T00:49:25.556717Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:49:25.556717Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3nUEINlCkyUa1BWVNEKiPUWJwmfnbRMB+rk7lVKpfiuEVIi9RJpBk/Z/6GZh6rmGFyEbvjf5FFq5QhXBaA9GDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:49:25.557273Z","signed_message":"canonical_sha256_bytes"},"source_id":"1703.02025","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:44921e154002107983ee0b4f39c7ec02d1a7c4363ba759f8a5a7f39a8d4edab9","sha256:40a2bcb1374c6753fd953282932f00ae980d36cc8fb17adaa1c2623a7184cf08"],"state_sha256":"66752d87884e19055cfe703b240b85b5147648ddf6f3594b10df9c1ea4a1ccfa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0hucOOQ1OkgvhOUYkUzXDNYWDC6gatxcXdtLLWQvy8YsPvbJOQ84/KRM2658CNSsmr2qui+6mogR7pD+C/FfDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T18:49:27.679931Z","bundle_sha256":"851ee470e10a0478d59cb50f0e992ff0da47ab9bfbbcbe36b7acc018be7fce07"}}