{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:3USH7K7M7DFRAEHMOJJL7GYARD","short_pith_number":"pith:3USH7K7M","canonical_record":{"source":{"id":"1702.05290","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-02-17T10:29:45Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"2aecbead02c36a4b0f86a8853cebffd4bca19fbf2d9d74ec0510501e62df98b8","abstract_canon_sha256":"cb27cf33352af586a2b342a2b97b280b07cae12e474837a32ba65002ca3adb8a"},"schema_version":"1.0"},"canonical_sha256":"dd247fabecf8cb1010ec7252bf9b0088d8e8a886aafa172b4c793e5182b265ea","source":{"kind":"arxiv","id":"1702.05290","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.05290","created_at":"2026-05-18T00:50:13Z"},{"alias_kind":"arxiv_version","alias_value":"1702.05290v2","created_at":"2026-05-18T00:50:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.05290","created_at":"2026-05-18T00:50:13Z"},{"alias_kind":"pith_short_12","alias_value":"3USH7K7M7DFR","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3USH7K7M7DFRAEHM","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3USH7K7M","created_at":"2026-05-18T12:30:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:3USH7K7M7DFRAEHMOJJL7GYARD","target":"record","payload":{"canonical_record":{"source":{"id":"1702.05290","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-02-17T10:29:45Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"2aecbead02c36a4b0f86a8853cebffd4bca19fbf2d9d74ec0510501e62df98b8","abstract_canon_sha256":"cb27cf33352af586a2b342a2b97b280b07cae12e474837a32ba65002ca3adb8a"},"schema_version":"1.0"},"canonical_sha256":"dd247fabecf8cb1010ec7252bf9b0088d8e8a886aafa172b4c793e5182b265ea","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:50:13.338429Z","signature_b64":"bogKAcnZPro0Ro3WNa7m8UhWhaCkwznjO0LeAz+rIXF5eFV/+1QNMgT/7nbarqENLXZa1KqvW6Ur2PUOjAEGCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dd247fabecf8cb1010ec7252bf9b0088d8e8a886aafa172b4c793e5182b265ea","last_reissued_at":"2026-05-18T00:50:13.337915Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:50:13.337915Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1702.05290","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":"2026-05-18T00:50:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wysVPce9pLOUkWq2RvvA2WDKTwTh06mM1+B+jvecd03Q+wBKSXIeO0iMfwX3ykID65iLirw3ar0+dEEVaXHnAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T00:26:01.363275Z"},"content_sha256":"f87391585ee6bba64dbe25e8847d8f4497eb4b023a4faa524cdba894c1814d32","schema_version":"1.0","event_id":"sha256:f87391585ee6bba64dbe25e8847d8f4497eb4b023a4faa524cdba894c1814d32"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:3USH7K7M7DFRAEHMOJJL7GYARD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Theory and Experiment for Wireless-Powered Sensor Networks: How to Keep Sensors Alive","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Arif Abdul Aziz, Dedi Setiawan, Dong In Kim, Kae Won Choi, Lorenz Ginting, Phisca Aditya Rosyady","submitted_at":"2017-02-17T10:29:45Z","abstract_excerpt":"In this paper, we investigate a multi-node multi-antenna wireless-powered sensor networks (WPSN) comprised of one power beacon and multiple sensor nodes. We have implemented a real-life multi-node multi-antenna WPSN testbed that operates in real time. We propose a beam-splitting beamforming technique that enables a power beacon to split microwave energy beams towards multiple nodes for simultaneous charging. We experimentally demonstrate that the beam-splitting beamforming technique achieves the Pareto optimality. For a perpetual operation of the sensor nodes, we adopt an energy neutral contro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.05290","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":"2026-05-18T00:50:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E2vex/6FAnsRLeRo4+TPkuaogkHxXP4C/p0DVeUO+7G2Ic+AsC2HUvMVVekG+7VaZqF6mwbBOkaxpW7+y1RiDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T00:26:01.363696Z"},"content_sha256":"508f5135329ad88c511936873472685515470406898ba54c6bdd817cce7b14e5","schema_version":"1.0","event_id":"sha256:508f5135329ad88c511936873472685515470406898ba54c6bdd817cce7b14e5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3USH7K7M7DFRAEHMOJJL7GYARD/bundle.json","state_url":"https://pith.science/pith/3USH7K7M7DFRAEHMOJJL7GYARD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3USH7K7M7DFRAEHMOJJL7GYARD/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":"2026-05-31T00:26:01Z","links":{"resolver":"https://pith.science/pith/3USH7K7M7DFRAEHMOJJL7GYARD","bundle":"https://pith.science/pith/3USH7K7M7DFRAEHMOJJL7GYARD/bundle.json","state":"https://pith.science/pith/3USH7K7M7DFRAEHMOJJL7GYARD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3USH7K7M7DFRAEHMOJJL7GYARD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:3USH7K7M7DFRAEHMOJJL7GYARD","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":"cb27cf33352af586a2b342a2b97b280b07cae12e474837a32ba65002ca3adb8a","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-02-17T10:29:45Z","title_canon_sha256":"2aecbead02c36a4b0f86a8853cebffd4bca19fbf2d9d74ec0510501e62df98b8"},"schema_version":"1.0","source":{"id":"1702.05290","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.05290","created_at":"2026-05-18T00:50:13Z"},{"alias_kind":"arxiv_version","alias_value":"1702.05290v2","created_at":"2026-05-18T00:50:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.05290","created_at":"2026-05-18T00:50:13Z"},{"alias_kind":"pith_short_12","alias_value":"3USH7K7M7DFR","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3USH7K7M7DFRAEHM","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3USH7K7M","created_at":"2026-05-18T12:30:58Z"}],"graph_snapshots":[{"event_id":"sha256:508f5135329ad88c511936873472685515470406898ba54c6bdd817cce7b14e5","target":"graph","created_at":"2026-05-18T00:50:13Z","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, we investigate a multi-node multi-antenna wireless-powered sensor networks (WPSN) comprised of one power beacon and multiple sensor nodes. We have implemented a real-life multi-node multi-antenna WPSN testbed that operates in real time. We propose a beam-splitting beamforming technique that enables a power beacon to split microwave energy beams towards multiple nodes for simultaneous charging. We experimentally demonstrate that the beam-splitting beamforming technique achieves the Pareto optimality. For a perpetual operation of the sensor nodes, we adopt an energy neutral contro","authors_text":"Arif Abdul Aziz, Dedi Setiawan, Dong In Kim, Kae Won Choi, Lorenz Ginting, Phisca Aditya Rosyady","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-02-17T10:29:45Z","title":"Theory and Experiment for Wireless-Powered Sensor Networks: How to Keep Sensors Alive"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.05290","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:f87391585ee6bba64dbe25e8847d8f4497eb4b023a4faa524cdba894c1814d32","target":"record","created_at":"2026-05-18T00:50:13Z","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":"cb27cf33352af586a2b342a2b97b280b07cae12e474837a32ba65002ca3adb8a","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-02-17T10:29:45Z","title_canon_sha256":"2aecbead02c36a4b0f86a8853cebffd4bca19fbf2d9d74ec0510501e62df98b8"},"schema_version":"1.0","source":{"id":"1702.05290","kind":"arxiv","version":2}},"canonical_sha256":"dd247fabecf8cb1010ec7252bf9b0088d8e8a886aafa172b4c793e5182b265ea","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dd247fabecf8cb1010ec7252bf9b0088d8e8a886aafa172b4c793e5182b265ea","first_computed_at":"2026-05-18T00:50:13.337915Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:50:13.337915Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bogKAcnZPro0Ro3WNa7m8UhWhaCkwznjO0LeAz+rIXF5eFV/+1QNMgT/7nbarqENLXZa1KqvW6Ur2PUOjAEGCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:50:13.338429Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.05290","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f87391585ee6bba64dbe25e8847d8f4497eb4b023a4faa524cdba894c1814d32","sha256:508f5135329ad88c511936873472685515470406898ba54c6bdd817cce7b14e5"],"state_sha256":"313560659dc30e47f628496faabe9984abce1c900190999afecf39d8b927b407"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t+y+kKFNylj+8Ym110FHxdzQDbn9dyW4vI6UaJtrk8fUo13triU/DlAHu1A0Kh9bvVtMky6oSq4BM4VCx4YzCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T00:26:01.366362Z","bundle_sha256":"cb64ded91a9cd0a3a1f97e8ccb81f6ed67f80693ac5ac4a38817ea75c314fef0"}}