{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:BOYEF2P6DYJQLYLFKVSTHFWSRG","short_pith_number":"pith:BOYEF2P6","canonical_record":{"source":{"id":"2408.10552","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2024-08-20T05:16:18Z","cross_cats_sorted":[],"title_canon_sha256":"6c410e7aeb9117cb6411a7f650ae59a180d6faeaad7c7bf9100151c3b91e754c","abstract_canon_sha256":"1ef80f06f4d5bb49587cfbe178689ad96ca7ca8bb7e26301c3c4b9b879b8a27f"},"schema_version":"1.0"},"canonical_sha256":"0bb042e9fe1e1305e16555653396d2899d165280d3c10aa03008c3e16b3ffc7f","source":{"kind":"arxiv","id":"2408.10552","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.10552","created_at":"2026-07-05T09:32:11Z"},{"alias_kind":"arxiv_version","alias_value":"2408.10552v2","created_at":"2026-07-05T09:32:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.10552","created_at":"2026-07-05T09:32:11Z"},{"alias_kind":"pith_short_12","alias_value":"BOYEF2P6DYJQ","created_at":"2026-07-05T09:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"BOYEF2P6DYJQLYLF","created_at":"2026-07-05T09:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"BOYEF2P6","created_at":"2026-07-05T09:32:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:BOYEF2P6DYJQLYLFKVSTHFWSRG","target":"record","payload":{"canonical_record":{"source":{"id":"2408.10552","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2024-08-20T05:16:18Z","cross_cats_sorted":[],"title_canon_sha256":"6c410e7aeb9117cb6411a7f650ae59a180d6faeaad7c7bf9100151c3b91e754c","abstract_canon_sha256":"1ef80f06f4d5bb49587cfbe178689ad96ca7ca8bb7e26301c3c4b9b879b8a27f"},"schema_version":"1.0"},"canonical_sha256":"0bb042e9fe1e1305e16555653396d2899d165280d3c10aa03008c3e16b3ffc7f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:32:11.453342Z","signature_b64":"SrkN3eTvR7GOYRd6ltYisyxc7W5m0C8CbzpssLwBAj4JWjGv8G/BCzYGAUIdHSDCj//FgQbm6cfbrUbB+FDTAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0bb042e9fe1e1305e16555653396d2899d165280d3c10aa03008c3e16b3ffc7f","last_reissued_at":"2026-07-05T09:32:11.452922Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:32:11.452922Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2408.10552","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":"2026-07-05T09:32:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mF+NwOlQE4B2r9lWhOSaucL6tP1XMwSTA0AA2EyWmMcEQzYRU3hMS/bRuHibgfylTVoNjDwUSFHvtAi+p76dAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T19:45:09.592230Z"},"content_sha256":"faaee6409b4d191b53e93ce8906a63c1c540205cf15207606697ed2f5e65e0a8","schema_version":"1.0","event_id":"sha256:faaee6409b4d191b53e93ce8906a63c1c540205cf15207606697ed2f5e65e0a8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:BOYEF2P6DYJQLYLFKVSTHFWSRG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Near-Field Multiuser Communications Aided by Movable Antennas","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Bingli Jiao, Jingze Ding, Lipeng Zhu, Rui Zhang, Zijian Zhou","submitted_at":"2024-08-20T05:16:18Z","abstract_excerpt":"This letter investigates movable antenna (MA)-aided downlink (DL) multiuser communication systems under the near-field channel condition, where both the base station (BS) and the users are equipped with MAs to fully exploit the degrees of freedom (DoFs) in antenna position optimization. We develop a general channel model to accurately describe the channel characteristics in the near-field region and formulate an MA-position optimization problem to minimize the BS's transmit power subject to users' individual rate constraints. To solve this problem, we propose a two-loop dynamic neighborhood pr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.10552","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/2408.10552/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":"2026-07-05T09:32:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ELpFW4n16R/bQ9NsZj9unA5DVWHiqe+kD+10z6SNVd1YTSzFDo19jDu2NjraCPgUCGML9vJIYYmxd15K6lb8Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T19:45:09.592769Z"},"content_sha256":"eab141e57441905d06633d0d402b5e64d0414ad6b264874c8e0a55fa73aca31e","schema_version":"1.0","event_id":"sha256:eab141e57441905d06633d0d402b5e64d0414ad6b264874c8e0a55fa73aca31e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BOYEF2P6DYJQLYLFKVSTHFWSRG/bundle.json","state_url":"https://pith.science/pith/BOYEF2P6DYJQLYLFKVSTHFWSRG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BOYEF2P6DYJQLYLFKVSTHFWSRG/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":"2026-08-05T19:45:09Z","links":{"resolver":"https://pith.science/pith/BOYEF2P6DYJQLYLFKVSTHFWSRG","bundle":"https://pith.science/pith/BOYEF2P6DYJQLYLFKVSTHFWSRG/bundle.json","state":"https://pith.science/pith/BOYEF2P6DYJQLYLFKVSTHFWSRG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BOYEF2P6DYJQLYLFKVSTHFWSRG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:BOYEF2P6DYJQLYLFKVSTHFWSRG","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":"1ef80f06f4d5bb49587cfbe178689ad96ca7ca8bb7e26301c3c4b9b879b8a27f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2024-08-20T05:16:18Z","title_canon_sha256":"6c410e7aeb9117cb6411a7f650ae59a180d6faeaad7c7bf9100151c3b91e754c"},"schema_version":"1.0","source":{"id":"2408.10552","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.10552","created_at":"2026-07-05T09:32:11Z"},{"alias_kind":"arxiv_version","alias_value":"2408.10552v2","created_at":"2026-07-05T09:32:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.10552","created_at":"2026-07-05T09:32:11Z"},{"alias_kind":"pith_short_12","alias_value":"BOYEF2P6DYJQ","created_at":"2026-07-05T09:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"BOYEF2P6DYJQLYLF","created_at":"2026-07-05T09:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"BOYEF2P6","created_at":"2026-07-05T09:32:11Z"}],"graph_snapshots":[{"event_id":"sha256:eab141e57441905d06633d0d402b5e64d0414ad6b264874c8e0a55fa73aca31e","target":"graph","created_at":"2026-07-05T09:32:11Z","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/2408.10552/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This letter investigates movable antenna (MA)-aided downlink (DL) multiuser communication systems under the near-field channel condition, where both the base station (BS) and the users are equipped with MAs to fully exploit the degrees of freedom (DoFs) in antenna position optimization. We develop a general channel model to accurately describe the channel characteristics in the near-field region and formulate an MA-position optimization problem to minimize the BS's transmit power subject to users' individual rate constraints. To solve this problem, we propose a two-loop dynamic neighborhood pr","authors_text":"Bingli Jiao, Jingze Ding, Lipeng Zhu, Rui Zhang, Zijian Zhou","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2024-08-20T05:16:18Z","title":"Near-Field Multiuser Communications Aided by Movable Antennas"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.10552","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:faaee6409b4d191b53e93ce8906a63c1c540205cf15207606697ed2f5e65e0a8","target":"record","created_at":"2026-07-05T09:32:11Z","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":"1ef80f06f4d5bb49587cfbe178689ad96ca7ca8bb7e26301c3c4b9b879b8a27f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2024-08-20T05:16:18Z","title_canon_sha256":"6c410e7aeb9117cb6411a7f650ae59a180d6faeaad7c7bf9100151c3b91e754c"},"schema_version":"1.0","source":{"id":"2408.10552","kind":"arxiv","version":2}},"canonical_sha256":"0bb042e9fe1e1305e16555653396d2899d165280d3c10aa03008c3e16b3ffc7f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0bb042e9fe1e1305e16555653396d2899d165280d3c10aa03008c3e16b3ffc7f","first_computed_at":"2026-07-05T09:32:11.452922Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:32:11.452922Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SrkN3eTvR7GOYRd6ltYisyxc7W5m0C8CbzpssLwBAj4JWjGv8G/BCzYGAUIdHSDCj//FgQbm6cfbrUbB+FDTAw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:32:11.453342Z","signed_message":"canonical_sha256_bytes"},"source_id":"2408.10552","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:faaee6409b4d191b53e93ce8906a63c1c540205cf15207606697ed2f5e65e0a8","sha256:eab141e57441905d06633d0d402b5e64d0414ad6b264874c8e0a55fa73aca31e"],"state_sha256":"8975b396a689c751b79f05998cace8d049d89c45452d2332a7dd234da5980e79"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PEIID4Pe+J1kAyFtfd0jwaR6tNksrEofQMjMkDj7rkf/AvDqKRhqBkXmiPFp+Us0Qa9Hn/Kubj0BwuXOsJx+CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T19:45:09.596631Z","bundle_sha256":"6f3a92d56b98a1290d35af667a47d607b6f62f9f954243c49a64c11cb6374141"}}