{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:HEZYUKOBKVNQR5QNTXCX6A3PTP","short_pith_number":"pith:HEZYUKOB","canonical_record":{"source":{"id":"1912.03420","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2019-12-07T02:51:13Z","cross_cats_sorted":[],"title_canon_sha256":"735bc47a4b1a5788498566cc592a9432195be409b3f383b4977a627bdd83e64e","abstract_canon_sha256":"720caeb3b661a86c99ee3fd526b96b74948638c683bf9ecdca0bf0e7e0d537ae"},"schema_version":"1.0"},"canonical_sha256":"39338a29c1555b08f60d9dc57f036f9bdb2f1579d290f4288d7bd77940d4291e","source":{"kind":"arxiv","id":"1912.03420","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.03420","created_at":"2026-07-05T01:29:45Z"},{"alias_kind":"arxiv_version","alias_value":"1912.03420v2","created_at":"2026-07-05T01:29:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.03420","created_at":"2026-07-05T01:29:45Z"},{"alias_kind":"pith_short_12","alias_value":"HEZYUKOBKVNQ","created_at":"2026-07-05T01:29:45Z"},{"alias_kind":"pith_short_16","alias_value":"HEZYUKOBKVNQR5QN","created_at":"2026-07-05T01:29:45Z"},{"alias_kind":"pith_short_8","alias_value":"HEZYUKOB","created_at":"2026-07-05T01:29:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:HEZYUKOBKVNQR5QNTXCX6A3PTP","target":"record","payload":{"canonical_record":{"source":{"id":"1912.03420","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2019-12-07T02:51:13Z","cross_cats_sorted":[],"title_canon_sha256":"735bc47a4b1a5788498566cc592a9432195be409b3f383b4977a627bdd83e64e","abstract_canon_sha256":"720caeb3b661a86c99ee3fd526b96b74948638c683bf9ecdca0bf0e7e0d537ae"},"schema_version":"1.0"},"canonical_sha256":"39338a29c1555b08f60d9dc57f036f9bdb2f1579d290f4288d7bd77940d4291e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:29:45.453542Z","signature_b64":"3PJbOu8IzTI67Z9+1cQ+3hTxi/5XmjmeUFB0MyIKQvyx/fMlupQ8bKQ5hKkpC9M22hteRrRfB6ADCQoYA01PCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"39338a29c1555b08f60d9dc57f036f9bdb2f1579d290f4288d7bd77940d4291e","last_reissued_at":"2026-07-05T01:29:45.453022Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:29:45.453022Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1912.03420","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":"2026-07-05T01:29:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YUYVUI12N1eCGsnp4hyWkzUTDmEfhNYAI/nms6/sv+yQu+HNe83+Yrf6LctpHyhEenx5rXh3/pGXUE30fn7cBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T04:00:47.412121Z"},"content_sha256":"bf74937caeed90b66f326b7e7f5ffea13da3234a8374ef8af65504125996e3f8","schema_version":"1.0","event_id":"sha256:bf74937caeed90b66f326b7e7f5ffea13da3234a8374ef8af65504125996e3f8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:HEZYUKOBKVNQR5QNTXCX6A3PTP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Joint Transmit Beamforming for Multiuser MIMO Communication and MIMO Radar","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Jie Zhou, Nir Shlezinger, Tianyao Huang, Xiang Liu, Yimin Liu, Yonina C. Eldar","submitted_at":"2019-12-07T02:51:13Z","abstract_excerpt":"Future wireless communication systems are expected to explore spectral bands typically used by radar systems, in order to overcome spectrum congestion of traditional communication bands. Since in many applications radar and communication share the same platform, spectrum sharing can be facilitated by joint design as dual function radar-communications system. In this paper, we propose a joint transmit beamforming model for a dual-function multiple-input-multiple-output (MIMO) radar and multiuser MIMO communication transmitter sharing the spectrum and an antenna array. The proposed dual-function"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.03420","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1912.03420/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T01:29:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iMUkfvw0XQvJKTiJnv3toNYNdBibW4taJwaS8jhSAcO0wbyFhk7W7snVNNQDInU0PHrbUQ6lwLiaXo3LubpaAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T04:00:47.412702Z"},"content_sha256":"cc9659da51647b8443348a3c0292fc574a98705ff93ff8db9f89a3d6bbb858c4","schema_version":"1.0","event_id":"sha256:cc9659da51647b8443348a3c0292fc574a98705ff93ff8db9f89a3d6bbb858c4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HEZYUKOBKVNQR5QNTXCX6A3PTP/bundle.json","state_url":"https://pith.science/pith/HEZYUKOBKVNQR5QNTXCX6A3PTP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HEZYUKOBKVNQR5QNTXCX6A3PTP/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":"2026-08-10T04:00:47Z","links":{"resolver":"https://pith.science/pith/HEZYUKOBKVNQR5QNTXCX6A3PTP","bundle":"https://pith.science/pith/HEZYUKOBKVNQR5QNTXCX6A3PTP/bundle.json","state":"https://pith.science/pith/HEZYUKOBKVNQR5QNTXCX6A3PTP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HEZYUKOBKVNQR5QNTXCX6A3PTP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:HEZYUKOBKVNQR5QNTXCX6A3PTP","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":"720caeb3b661a86c99ee3fd526b96b74948638c683bf9ecdca0bf0e7e0d537ae","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2019-12-07T02:51:13Z","title_canon_sha256":"735bc47a4b1a5788498566cc592a9432195be409b3f383b4977a627bdd83e64e"},"schema_version":"1.0","source":{"id":"1912.03420","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.03420","created_at":"2026-07-05T01:29:45Z"},{"alias_kind":"arxiv_version","alias_value":"1912.03420v2","created_at":"2026-07-05T01:29:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.03420","created_at":"2026-07-05T01:29:45Z"},{"alias_kind":"pith_short_12","alias_value":"HEZYUKOBKVNQ","created_at":"2026-07-05T01:29:45Z"},{"alias_kind":"pith_short_16","alias_value":"HEZYUKOBKVNQR5QN","created_at":"2026-07-05T01:29:45Z"},{"alias_kind":"pith_short_8","alias_value":"HEZYUKOB","created_at":"2026-07-05T01:29:45Z"}],"graph_snapshots":[{"event_id":"sha256:cc9659da51647b8443348a3c0292fc574a98705ff93ff8db9f89a3d6bbb858c4","target":"graph","created_at":"2026-07-05T01:29:45Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1912.03420/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Future wireless communication systems are expected to explore spectral bands typically used by radar systems, in order to overcome spectrum congestion of traditional communication bands. Since in many applications radar and communication share the same platform, spectrum sharing can be facilitated by joint design as dual function radar-communications system. In this paper, we propose a joint transmit beamforming model for a dual-function multiple-input-multiple-output (MIMO) radar and multiuser MIMO communication transmitter sharing the spectrum and an antenna array. The proposed dual-function","authors_text":"Jie Zhou, Nir Shlezinger, Tianyao Huang, Xiang Liu, Yimin Liu, Yonina C. Eldar","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2019-12-07T02:51:13Z","title":"Joint Transmit Beamforming for Multiuser MIMO Communication and MIMO Radar"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.03420","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:bf74937caeed90b66f326b7e7f5ffea13da3234a8374ef8af65504125996e3f8","target":"record","created_at":"2026-07-05T01:29:45Z","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":"720caeb3b661a86c99ee3fd526b96b74948638c683bf9ecdca0bf0e7e0d537ae","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2019-12-07T02:51:13Z","title_canon_sha256":"735bc47a4b1a5788498566cc592a9432195be409b3f383b4977a627bdd83e64e"},"schema_version":"1.0","source":{"id":"1912.03420","kind":"arxiv","version":2}},"canonical_sha256":"39338a29c1555b08f60d9dc57f036f9bdb2f1579d290f4288d7bd77940d4291e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"39338a29c1555b08f60d9dc57f036f9bdb2f1579d290f4288d7bd77940d4291e","first_computed_at":"2026-07-05T01:29:45.453022Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:29:45.453022Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3PJbOu8IzTI67Z9+1cQ+3hTxi/5XmjmeUFB0MyIKQvyx/fMlupQ8bKQ5hKkpC9M22hteRrRfB6ADCQoYA01PCw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:29:45.453542Z","signed_message":"canonical_sha256_bytes"},"source_id":"1912.03420","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bf74937caeed90b66f326b7e7f5ffea13da3234a8374ef8af65504125996e3f8","sha256:cc9659da51647b8443348a3c0292fc574a98705ff93ff8db9f89a3d6bbb858c4"],"state_sha256":"636b390f049ced41248f181c4ea1e2c96527ec1a19234b82f9d2a46524cccc44"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"alhMHzSeaVsSzARYykX/HpriEMG49pQhy5c/4KOuKoSDQEgyHyv9iXsFy5HbThVSbBtcrOoj7o3TqBt4affRAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T04:00:47.416283Z","bundle_sha256":"505c0c90f245c9365d4017565ac66c02cd5e8a54103c2b8011835d3d348a3e98"}}