{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:744PK5UCWPJSCADGUDNR6556TB","short_pith_number":"pith:744PK5UC","schema_version":"1.0","canonical_sha256":"ff38f57682b3d3210066a0db1f77be985a20b7aafe1a5caec730544c00556351","source":{"kind":"arxiv","id":"2504.19555","version":2},"attestation_state":"computed","paper":{"title":"Physical-Layer Security in Mixed Near-Field and Far-Field Communication Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Changsheng You, Cong Zhou, Guangchi Zhang, Heng Liu, Shiqi Gong, Tianyu Liu, Yunpu Zhang","submitted_at":"2025-04-28T08:00:36Z","abstract_excerpt":"Extremely large-scale arrays (XL-arrays) have emerged as a promising technology to improve the spectrum efficiency and spatial resolution of future wireless systems. Different from existing works that mostly considered physical layer security (PLS) in either the far-field or near-field, we consider in this paper a new and practical scenario, where legitimate users (Bobs) are located in the far-field of a base station (BS) while eavesdroppers (Eves) are located in the near-field for intercepting confidential information at short distance, referred to as the mixed near-field and far-field PLS. S"},"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":"2504.19555","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2025-04-28T08:00:36Z","cross_cats_sorted":[],"title_canon_sha256":"7165744ac21240b2482f341584534b5439bed1085f3e217d71ce9728a5fed9a3","abstract_canon_sha256":"97cf2ccf9a4c489d8d3c3a6efe26e1b0c715725d83a021885f796f8b4f39d21f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:58:26.572488Z","signature_b64":"NQ/ejK+uHDW9gI4hNLXgqKNKNhhv5PDC+L9HpmgykItpQnuFdeam9jAU6hcQqDQ7ly+gn/7wtFUMXEzBOn2tAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ff38f57682b3d3210066a0db1f77be985a20b7aafe1a5caec730544c00556351","last_reissued_at":"2026-07-05T10:58:26.571936Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:58:26.571936Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Physical-Layer Security in Mixed Near-Field and Far-Field Communication Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Changsheng You, Cong Zhou, Guangchi Zhang, Heng Liu, Shiqi Gong, Tianyu Liu, Yunpu Zhang","submitted_at":"2025-04-28T08:00:36Z","abstract_excerpt":"Extremely large-scale arrays (XL-arrays) have emerged as a promising technology to improve the spectrum efficiency and spatial resolution of future wireless systems. Different from existing works that mostly considered physical layer security (PLS) in either the far-field or near-field, we consider in this paper a new and practical scenario, where legitimate users (Bobs) are located in the far-field of a base station (BS) while eavesdroppers (Eves) are located in the near-field for intercepting confidential information at short distance, referred to as the mixed near-field and far-field PLS. S"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.19555","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/2504.19555/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":"2504.19555","created_at":"2026-07-05T10:58:26.571992+00:00"},{"alias_kind":"arxiv_version","alias_value":"2504.19555v2","created_at":"2026-07-05T10:58:26.571992+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.19555","created_at":"2026-07-05T10:58:26.571992+00:00"},{"alias_kind":"pith_short_12","alias_value":"744PK5UCWPJS","created_at":"2026-07-05T10:58:26.571992+00:00"},{"alias_kind":"pith_short_16","alias_value":"744PK5UCWPJSCADG","created_at":"2026-07-05T10:58:26.571992+00:00"},{"alias_kind":"pith_short_8","alias_value":"744PK5UC","created_at":"2026-07-05T10:58:26.571992+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/744PK5UCWPJSCADGUDNR6556TB","json":"https://pith.science/pith/744PK5UCWPJSCADGUDNR6556TB.json","graph_json":"https://pith.science/api/pith-number/744PK5UCWPJSCADGUDNR6556TB/graph.json","events_json":"https://pith.science/api/pith-number/744PK5UCWPJSCADGUDNR6556TB/events.json","paper":"https://pith.science/paper/744PK5UC"},"agent_actions":{"view_html":"https://pith.science/pith/744PK5UCWPJSCADGUDNR6556TB","download_json":"https://pith.science/pith/744PK5UCWPJSCADGUDNR6556TB.json","view_paper":"https://pith.science/paper/744PK5UC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2504.19555&json=true","fetch_graph":"https://pith.science/api/pith-number/744PK5UCWPJSCADGUDNR6556TB/graph.json","fetch_events":"https://pith.science/api/pith-number/744PK5UCWPJSCADGUDNR6556TB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/744PK5UCWPJSCADGUDNR6556TB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/744PK5UCWPJSCADGUDNR6556TB/action/storage_attestation","attest_author":"https://pith.science/pith/744PK5UCWPJSCADGUDNR6556TB/action/author_attestation","sign_citation":"https://pith.science/pith/744PK5UCWPJSCADGUDNR6556TB/action/citation_signature","submit_replication":"https://pith.science/pith/744PK5UCWPJSCADGUDNR6556TB/action/replication_record"}},"created_at":"2026-07-05T10:58:26.571992+00:00","updated_at":"2026-07-05T10:58:26.571992+00:00"}