{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:ZQBBGQZM4UBSD7JTFF4MHKKMP6","short_pith_number":"pith:ZQBBGQZM","canonical_record":{"source":{"id":"1501.01858","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2015-01-08T14:15:27Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"a56c94409074ab6d0a15b20d54180be63f200b6220712eed51996bf9e954bca9","abstract_canon_sha256":"2fe5a4b4d0166b20222230852a7ab8130cd94054374b6a43f6f53233ae8ab3e5"},"schema_version":"1.0"},"canonical_sha256":"cc0213432ce50321fd332978c3a94c7fab8e8c464bd0ab84d036bfc72018c896","source":{"kind":"arxiv","id":"1501.01858","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.01858","created_at":"2026-05-18T02:29:46Z"},{"alias_kind":"arxiv_version","alias_value":"1501.01858v1","created_at":"2026-05-18T02:29:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.01858","created_at":"2026-05-18T02:29:46Z"},{"alias_kind":"pith_short_12","alias_value":"ZQBBGQZM4UBS","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"ZQBBGQZM4UBSD7JT","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"ZQBBGQZM","created_at":"2026-05-18T12:29:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:ZQBBGQZM4UBSD7JTFF4MHKKMP6","target":"record","payload":{"canonical_record":{"source":{"id":"1501.01858","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2015-01-08T14:15:27Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"a56c94409074ab6d0a15b20d54180be63f200b6220712eed51996bf9e954bca9","abstract_canon_sha256":"2fe5a4b4d0166b20222230852a7ab8130cd94054374b6a43f6f53233ae8ab3e5"},"schema_version":"1.0"},"canonical_sha256":"cc0213432ce50321fd332978c3a94c7fab8e8c464bd0ab84d036bfc72018c896","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:29:46.224439Z","signature_b64":"aGF6jHJHXosn7HVPKMj+vQVfrPC244uY4nlS0WD/wtzOOY8Uz6LTc1fN4gCrvFlHdAE1JtQGvn3DRxv4u67FCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cc0213432ce50321fd332978c3a94c7fab8e8c464bd0ab84d036bfc72018c896","last_reissued_at":"2026-05-18T02:29:46.223997Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:29:46.223997Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.01858","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":"2026-05-18T02:29:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6T9ULTWHxoUQSFE2R5F+eZ6gqlVrAbS0q22X6nbMAiL2aBYsevXwN5lIdZo/DXVUvDGPWaeP8GusJx1Q3LT+Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T19:14:07.331368Z"},"content_sha256":"81d61f3b2eae463175fef023abd279a825e714d5a1cb16b61e135252ed86d6b6","schema_version":"1.0","event_id":"sha256:81d61f3b2eae463175fef023abd279a825e714d5a1cb16b61e135252ed86d6b6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:ZQBBGQZM4UBSD7JTFF4MHKKMP6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optimization of Energy Harvesting MISO Communication System with Feedback","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"David Gesbert, Deniz G\\\"und\\\"uz, Rajeev Gangula","submitted_at":"2015-01-08T14:15:27Z","abstract_excerpt":"Optimization of a point-to-point (p2p) multipleinput single-output (MISO) communication system is considered when both the transmitter (TX) and the receiver (RX) have energy harvesting (EH) capabilities. The RX is interested in feeding back the channel state information (CSI) to the TX to help improve the transmission rate. The objective is to maximize the throughput by a deadline, subject to the EH constraints at the TX and the RX. The throughput metric considered is an upper bound on the ergodic rate of the MISO channel with beamforming and limited feedback. Feedback bit allocation and trans"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.01858","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":"2026-05-18T02:29:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WS3O50bhpYbIOE/ZPQ9DVVLxhdjPIyFnjW9CeciyXdhAUXxOZJ+DIOnmMAvssfHBvdwC2bHmgeH2WDWANbOSAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T19:14:07.332000Z"},"content_sha256":"b2325c0bbc55a6566775886996cdcae3e24229837c2099dc74b2bb349c1fa0fa","schema_version":"1.0","event_id":"sha256:b2325c0bbc55a6566775886996cdcae3e24229837c2099dc74b2bb349c1fa0fa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZQBBGQZM4UBSD7JTFF4MHKKMP6/bundle.json","state_url":"https://pith.science/pith/ZQBBGQZM4UBSD7JTFF4MHKKMP6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZQBBGQZM4UBSD7JTFF4MHKKMP6/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":"2026-05-28T19:14:07Z","links":{"resolver":"https://pith.science/pith/ZQBBGQZM4UBSD7JTFF4MHKKMP6","bundle":"https://pith.science/pith/ZQBBGQZM4UBSD7JTFF4MHKKMP6/bundle.json","state":"https://pith.science/pith/ZQBBGQZM4UBSD7JTFF4MHKKMP6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZQBBGQZM4UBSD7JTFF4MHKKMP6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:ZQBBGQZM4UBSD7JTFF4MHKKMP6","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":"2fe5a4b4d0166b20222230852a7ab8130cd94054374b6a43f6f53233ae8ab3e5","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2015-01-08T14:15:27Z","title_canon_sha256":"a56c94409074ab6d0a15b20d54180be63f200b6220712eed51996bf9e954bca9"},"schema_version":"1.0","source":{"id":"1501.01858","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.01858","created_at":"2026-05-18T02:29:46Z"},{"alias_kind":"arxiv_version","alias_value":"1501.01858v1","created_at":"2026-05-18T02:29:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.01858","created_at":"2026-05-18T02:29:46Z"},{"alias_kind":"pith_short_12","alias_value":"ZQBBGQZM4UBS","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"ZQBBGQZM4UBSD7JT","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"ZQBBGQZM","created_at":"2026-05-18T12:29:52Z"}],"graph_snapshots":[{"event_id":"sha256:b2325c0bbc55a6566775886996cdcae3e24229837c2099dc74b2bb349c1fa0fa","target":"graph","created_at":"2026-05-18T02:29:46Z","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":"Optimization of a point-to-point (p2p) multipleinput single-output (MISO) communication system is considered when both the transmitter (TX) and the receiver (RX) have energy harvesting (EH) capabilities. The RX is interested in feeding back the channel state information (CSI) to the TX to help improve the transmission rate. The objective is to maximize the throughput by a deadline, subject to the EH constraints at the TX and the RX. The throughput metric considered is an upper bound on the ergodic rate of the MISO channel with beamforming and limited feedback. Feedback bit allocation and trans","authors_text":"David Gesbert, Deniz G\\\"und\\\"uz, Rajeev Gangula","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2015-01-08T14:15:27Z","title":"Optimization of Energy Harvesting MISO Communication System with Feedback"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.01858","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":"sha256:81d61f3b2eae463175fef023abd279a825e714d5a1cb16b61e135252ed86d6b6","target":"record","created_at":"2026-05-18T02:29:46Z","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":"2fe5a4b4d0166b20222230852a7ab8130cd94054374b6a43f6f53233ae8ab3e5","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2015-01-08T14:15:27Z","title_canon_sha256":"a56c94409074ab6d0a15b20d54180be63f200b6220712eed51996bf9e954bca9"},"schema_version":"1.0","source":{"id":"1501.01858","kind":"arxiv","version":1}},"canonical_sha256":"cc0213432ce50321fd332978c3a94c7fab8e8c464bd0ab84d036bfc72018c896","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cc0213432ce50321fd332978c3a94c7fab8e8c464bd0ab84d036bfc72018c896","first_computed_at":"2026-05-18T02:29:46.223997Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:29:46.223997Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aGF6jHJHXosn7HVPKMj+vQVfrPC244uY4nlS0WD/wtzOOY8Uz6LTc1fN4gCrvFlHdAE1JtQGvn3DRxv4u67FCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:29:46.224439Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.01858","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:81d61f3b2eae463175fef023abd279a825e714d5a1cb16b61e135252ed86d6b6","sha256:b2325c0bbc55a6566775886996cdcae3e24229837c2099dc74b2bb349c1fa0fa"],"state_sha256":"c1fe111d6b517ae228193e3feb86c8bd515e51ac46dba2682abb89331294bd3e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TJX7HSBpQO3573ZOK90SgAvpLWiHfghhErgl37us+h7jIR1g78v/Xdt+PggSG02E2861g2mlLBs3ittsH4ozDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T19:14:07.334666Z","bundle_sha256":"ebb2c061c655c368add4eb365c607e09d90d51a27e1800306bfd047e1025e7c1"}}