{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:ODKDK3D4VBRLYRWHHCEYUFHIUM","short_pith_number":"pith:ODKDK3D4","schema_version":"1.0","canonical_sha256":"70d4356c7ca862bc46c738898a14e8a303f0ee9503de364bc09669a4539f4ebe","source":{"kind":"arxiv","id":"2504.18855","version":1},"attestation_state":"computed","paper":{"title":"Cross Far- and Near-Field Beam Management Technologies in Millimeter-Wave and Terahertz MIMO Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.SP","math.IT"],"primary_cat":"cs.IT","authors_text":"Chong Han, Heyin Shen, Yuhang Chen","submitted_at":"2025-04-26T08:43:12Z","abstract_excerpt":"The evolution of wireless communication toward next-generation networks introduces unprecedented demands on data rates, latency, and connectivity. To meet these requirements, two key trends have emerged: the use of higher communication frequencies to provide broader bandwidth, and the deployment of massive multiple-input multiple-output systems with large antenna arrays to compensate for propagation losses and enhance spatial multiplexing. These advancements significantly extend the Rayleigh distance, enabling near-field (NF) propagation alongside the traditional far-field (FF) regime. As user"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2504.18855","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2025-04-26T08:43:12Z","cross_cats_sorted":["eess.SP","math.IT"],"title_canon_sha256":"fa2a5855543893c4e62de4c2e86942684a8d37260455a3adce6b701777e0e588","abstract_canon_sha256":"1afdaf5f83b5eda590234a8f87ce2a7d76044c5885ffacfb947b7c7f1a445563"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:54:22.471793Z","signature_b64":"NtwP49npFhFfYpwPOfVicz2ct5NvxDf1ccbOl05+WERj0OwLj/FpsXj3XQKzcerNWYaTWtE7LGRnxlbU9v97BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"70d4356c7ca862bc46c738898a14e8a303f0ee9503de364bc09669a4539f4ebe","last_reissued_at":"2026-07-05T10:54:22.471293Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:54:22.471293Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Cross Far- and Near-Field Beam Management Technologies in Millimeter-Wave and Terahertz MIMO Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.SP","math.IT"],"primary_cat":"cs.IT","authors_text":"Chong Han, Heyin Shen, Yuhang Chen","submitted_at":"2025-04-26T08:43:12Z","abstract_excerpt":"The evolution of wireless communication toward next-generation networks introduces unprecedented demands on data rates, latency, and connectivity. To meet these requirements, two key trends have emerged: the use of higher communication frequencies to provide broader bandwidth, and the deployment of massive multiple-input multiple-output systems with large antenna arrays to compensate for propagation losses and enhance spatial multiplexing. These advancements significantly extend the Rayleigh distance, enabling near-field (NF) propagation alongside the traditional far-field (FF) regime. As user"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.18855","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/2504.18855/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2504.18855","created_at":"2026-07-05T10:54:22.471354+00:00"},{"alias_kind":"arxiv_version","alias_value":"2504.18855v1","created_at":"2026-07-05T10:54:22.471354+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.18855","created_at":"2026-07-05T10:54:22.471354+00:00"},{"alias_kind":"pith_short_12","alias_value":"ODKDK3D4VBRL","created_at":"2026-07-05T10:54:22.471354+00:00"},{"alias_kind":"pith_short_16","alias_value":"ODKDK3D4VBRLYRWH","created_at":"2026-07-05T10:54:22.471354+00:00"},{"alias_kind":"pith_short_8","alias_value":"ODKDK3D4","created_at":"2026-07-05T10:54:22.471354+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ODKDK3D4VBRLYRWHHCEYUFHIUM","json":"https://pith.science/pith/ODKDK3D4VBRLYRWHHCEYUFHIUM.json","graph_json":"https://pith.science/api/pith-number/ODKDK3D4VBRLYRWHHCEYUFHIUM/graph.json","events_json":"https://pith.science/api/pith-number/ODKDK3D4VBRLYRWHHCEYUFHIUM/events.json","paper":"https://pith.science/paper/ODKDK3D4"},"agent_actions":{"view_html":"https://pith.science/pith/ODKDK3D4VBRLYRWHHCEYUFHIUM","download_json":"https://pith.science/pith/ODKDK3D4VBRLYRWHHCEYUFHIUM.json","view_paper":"https://pith.science/paper/ODKDK3D4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2504.18855&json=true","fetch_graph":"https://pith.science/api/pith-number/ODKDK3D4VBRLYRWHHCEYUFHIUM/graph.json","fetch_events":"https://pith.science/api/pith-number/ODKDK3D4VBRLYRWHHCEYUFHIUM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ODKDK3D4VBRLYRWHHCEYUFHIUM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ODKDK3D4VBRLYRWHHCEYUFHIUM/action/storage_attestation","attest_author":"https://pith.science/pith/ODKDK3D4VBRLYRWHHCEYUFHIUM/action/author_attestation","sign_citation":"https://pith.science/pith/ODKDK3D4VBRLYRWHHCEYUFHIUM/action/citation_signature","submit_replication":"https://pith.science/pith/ODKDK3D4VBRLYRWHHCEYUFHIUM/action/replication_record"}},"created_at":"2026-07-05T10:54:22.471354+00:00","updated_at":"2026-07-05T10:54:22.471354+00:00"}