{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:CLECXPQYOBTFRPXWR44JAQYEI6","short_pith_number":"pith:CLECXPQY","canonical_record":{"source":{"id":"2401.08974","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2024-01-17T04:54:47Z","cross_cats_sorted":["eess.SP","math.IT"],"title_canon_sha256":"186262751feb7bf48b9878478d62a027b1d27189f0af0b1e7bad9dd8906e967d","abstract_canon_sha256":"513be535bcfa15ba959f0c705741abbea0d8338103206da8e1f936ade36961ba"},"schema_version":"1.0"},"canonical_sha256":"12c82bbe18706658bef68f389043044788ec18835d740fd732e1efbbd45e7536","source":{"kind":"arxiv","id":"2401.08974","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.08974","created_at":"2026-07-05T07:34:24Z"},{"alias_kind":"arxiv_version","alias_value":"2401.08974v1","created_at":"2026-07-05T07:34:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.08974","created_at":"2026-07-05T07:34:24Z"},{"alias_kind":"pith_short_12","alias_value":"CLECXPQYOBTF","created_at":"2026-07-05T07:34:24Z"},{"alias_kind":"pith_short_16","alias_value":"CLECXPQYOBTFRPXW","created_at":"2026-07-05T07:34:24Z"},{"alias_kind":"pith_short_8","alias_value":"CLECXPQY","created_at":"2026-07-05T07:34:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:CLECXPQYOBTFRPXWR44JAQYEI6","target":"record","payload":{"canonical_record":{"source":{"id":"2401.08974","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2024-01-17T04:54:47Z","cross_cats_sorted":["eess.SP","math.IT"],"title_canon_sha256":"186262751feb7bf48b9878478d62a027b1d27189f0af0b1e7bad9dd8906e967d","abstract_canon_sha256":"513be535bcfa15ba959f0c705741abbea0d8338103206da8e1f936ade36961ba"},"schema_version":"1.0"},"canonical_sha256":"12c82bbe18706658bef68f389043044788ec18835d740fd732e1efbbd45e7536","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:34:24.650224Z","signature_b64":"yGTx1oN636/2ujuG9DO4oZuR2Ium9z+9qMH0x++8V/pKn5DTbB7VUD34yHTOaH+ZRgItb/mGfJLwk1UqNrWxBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"12c82bbe18706658bef68f389043044788ec18835d740fd732e1efbbd45e7536","last_reissued_at":"2026-07-05T07:34:24.649686Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:34:24.649686Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2401.08974","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":"2026-07-05T07:34:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hPM346jApYy5QkO3WDsxPyrJUEhs4UeF/GPk+p5cPgpBVl+2d1jdidYA2zwzsFuDZ03c9rLYy3iVK0k3nV9iDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T22:06:37.546104Z"},"content_sha256":"0998d5769bb74087a78af3d3097c46e8ac45cd159ad66febed40219b4486b83c","schema_version":"1.0","event_id":"sha256:0998d5769bb74087a78af3d3097c46e8ac45cd159ad66febed40219b4486b83c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:CLECXPQYOBTFRPXWR44JAQYEI6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Performance Analysis and Optimization for Movable Antenna Aided Wideband Communications","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.SP","math.IT"],"primary_cat":"cs.IT","authors_text":"Lipeng Zhu, Rui Zhang, Wenyan Ma, Zhenyu Xiao","submitted_at":"2024-01-17T04:54:47Z","abstract_excerpt":"Movable antenna (MA) has emerged as a promising technology to enhance wireless communication performance by enabling the local movement of antennas at the transmitter (Tx) and/or receiver (Rx) for achieving more favorable channel conditions. As the existing studies on MA-aided wireless communications have mainly considered narrow-band transmission in flat fading channels, we investigate in this paper the MA-aided wideband communications employing orthogonal frequency division multiplexing (OFDM) in frequency-selective fading channels. Under the general multi-tap field-response channel model, t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.08974","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2401.08974/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":"2026-07-05T07:34:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N8HTBM+99cXm+WTfaaVVg6vpq9+IjD4ad6uSuv1cc2DBnFK/RxxYMcOaUsg6u/jHBqktGlWQiA3LBkcI5w+WAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T22:06:37.547040Z"},"content_sha256":"bbf2bac68bc8fbb9bef4a307d82b2f4cad28bbb9ca1915a9ad0de7ee4bb3be6e","schema_version":"1.0","event_id":"sha256:bbf2bac68bc8fbb9bef4a307d82b2f4cad28bbb9ca1915a9ad0de7ee4bb3be6e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CLECXPQYOBTFRPXWR44JAQYEI6/bundle.json","state_url":"https://pith.science/pith/CLECXPQYOBTFRPXWR44JAQYEI6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CLECXPQYOBTFRPXWR44JAQYEI6/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":"2026-08-05T22:06:37Z","links":{"resolver":"https://pith.science/pith/CLECXPQYOBTFRPXWR44JAQYEI6","bundle":"https://pith.science/pith/CLECXPQYOBTFRPXWR44JAQYEI6/bundle.json","state":"https://pith.science/pith/CLECXPQYOBTFRPXWR44JAQYEI6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CLECXPQYOBTFRPXWR44JAQYEI6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:CLECXPQYOBTFRPXWR44JAQYEI6","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":"513be535bcfa15ba959f0c705741abbea0d8338103206da8e1f936ade36961ba","cross_cats_sorted":["eess.SP","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2024-01-17T04:54:47Z","title_canon_sha256":"186262751feb7bf48b9878478d62a027b1d27189f0af0b1e7bad9dd8906e967d"},"schema_version":"1.0","source":{"id":"2401.08974","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.08974","created_at":"2026-07-05T07:34:24Z"},{"alias_kind":"arxiv_version","alias_value":"2401.08974v1","created_at":"2026-07-05T07:34:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.08974","created_at":"2026-07-05T07:34:24Z"},{"alias_kind":"pith_short_12","alias_value":"CLECXPQYOBTF","created_at":"2026-07-05T07:34:24Z"},{"alias_kind":"pith_short_16","alias_value":"CLECXPQYOBTFRPXW","created_at":"2026-07-05T07:34:24Z"},{"alias_kind":"pith_short_8","alias_value":"CLECXPQY","created_at":"2026-07-05T07:34:24Z"}],"graph_snapshots":[{"event_id":"sha256:bbf2bac68bc8fbb9bef4a307d82b2f4cad28bbb9ca1915a9ad0de7ee4bb3be6e","target":"graph","created_at":"2026-07-05T07:34:24Z","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/2401.08974/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Movable antenna (MA) has emerged as a promising technology to enhance wireless communication performance by enabling the local movement of antennas at the transmitter (Tx) and/or receiver (Rx) for achieving more favorable channel conditions. As the existing studies on MA-aided wireless communications have mainly considered narrow-band transmission in flat fading channels, we investigate in this paper the MA-aided wideband communications employing orthogonal frequency division multiplexing (OFDM) in frequency-selective fading channels. Under the general multi-tap field-response channel model, t","authors_text":"Lipeng Zhu, Rui Zhang, Wenyan Ma, Zhenyu Xiao","cross_cats":["eess.SP","math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2024-01-17T04:54:47Z","title":"Performance Analysis and Optimization for Movable Antenna Aided Wideband Communications"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.08974","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":"sha256:0998d5769bb74087a78af3d3097c46e8ac45cd159ad66febed40219b4486b83c","target":"record","created_at":"2026-07-05T07:34:24Z","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":"513be535bcfa15ba959f0c705741abbea0d8338103206da8e1f936ade36961ba","cross_cats_sorted":["eess.SP","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2024-01-17T04:54:47Z","title_canon_sha256":"186262751feb7bf48b9878478d62a027b1d27189f0af0b1e7bad9dd8906e967d"},"schema_version":"1.0","source":{"id":"2401.08974","kind":"arxiv","version":1}},"canonical_sha256":"12c82bbe18706658bef68f389043044788ec18835d740fd732e1efbbd45e7536","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"12c82bbe18706658bef68f389043044788ec18835d740fd732e1efbbd45e7536","first_computed_at":"2026-07-05T07:34:24.649686Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:34:24.649686Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yGTx1oN636/2ujuG9DO4oZuR2Ium9z+9qMH0x++8V/pKn5DTbB7VUD34yHTOaH+ZRgItb/mGfJLwk1UqNrWxBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T07:34:24.650224Z","signed_message":"canonical_sha256_bytes"},"source_id":"2401.08974","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0998d5769bb74087a78af3d3097c46e8ac45cd159ad66febed40219b4486b83c","sha256:bbf2bac68bc8fbb9bef4a307d82b2f4cad28bbb9ca1915a9ad0de7ee4bb3be6e"],"state_sha256":"da70f1a8bbdcac1b05c77e5d124efad99a3136630575f9938891b95863588569"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9KlrSV73DYlxCfL3gRIwbTwd1tHtUR5QO4giHwx5j+P3LwSWaSVmTbvqTGrrq58mTOjxajuoZXspF+pb6xTnCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T22:06:37.552582Z","bundle_sha256":"d31c3d47621d3054a2667832b1c4ce40b823a5be78d142561c9a3c6ce9fa9d64"}}