{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:SCPFGQNQKG5SSRDO7AVSO3PPIS","short_pith_number":"pith:SCPFGQNQ","canonical_record":{"source":{"id":"2408.15435","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2024-08-27T22:36:20Z","cross_cats_sorted":[],"title_canon_sha256":"46fb7252c4696abeaeddd864abaaa08f47fac342f4d4590a935672602f65da1c","abstract_canon_sha256":"9008049622f4ae3675cabc3d24979a9654ce8c2a5f008fd4e2875772997c7088"},"schema_version":"1.0"},"canonical_sha256":"909e5341b051bb29446ef82b276def448d6b1479a9e3bdffc9be4cb479187ac9","source":{"kind":"arxiv","id":"2408.15435","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.15435","created_at":"2026-07-05T11:38:48Z"},{"alias_kind":"arxiv_version","alias_value":"2408.15435v2","created_at":"2026-07-05T11:38:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.15435","created_at":"2026-07-05T11:38:48Z"},{"alias_kind":"pith_short_12","alias_value":"SCPFGQNQKG5S","created_at":"2026-07-05T11:38:48Z"},{"alias_kind":"pith_short_16","alias_value":"SCPFGQNQKG5SSRDO","created_at":"2026-07-05T11:38:48Z"},{"alias_kind":"pith_short_8","alias_value":"SCPFGQNQ","created_at":"2026-07-05T11:38:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:SCPFGQNQKG5SSRDO7AVSO3PPIS","target":"record","payload":{"canonical_record":{"source":{"id":"2408.15435","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2024-08-27T22:36:20Z","cross_cats_sorted":[],"title_canon_sha256":"46fb7252c4696abeaeddd864abaaa08f47fac342f4d4590a935672602f65da1c","abstract_canon_sha256":"9008049622f4ae3675cabc3d24979a9654ce8c2a5f008fd4e2875772997c7088"},"schema_version":"1.0"},"canonical_sha256":"909e5341b051bb29446ef82b276def448d6b1479a9e3bdffc9be4cb479187ac9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:38:48.590270Z","signature_b64":"nRuRmuVwzm423TUVUtlcaBxQmpCO0A03rHxgZ7klDtx44n9SHaGtnT0WGNRUOs0DrXUXa2U/k7d6FGaIcBwEBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"909e5341b051bb29446ef82b276def448d6b1479a9e3bdffc9be4cb479187ac9","last_reissued_at":"2026-07-05T11:38:48.589804Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:38:48.589804Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2408.15435","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":"2026-07-05T11:38:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VxwYYhNbfVAs4TvdbkDU7pC8VQPuiIM9VpWQwFz16r4L6YkPU4+rsqOMCZkEbkjipqxEqfPpphtb92AfZS1dDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T22:24:12.222320Z"},"content_sha256":"09064233c62c1c07a214b0e263af1dc92bb5c06afe6cb5263d959875be15efcc","schema_version":"1.0","event_id":"sha256:09064233c62c1c07a214b0e263af1dc92bb5c06afe6cb5263d959875be15efcc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:SCPFGQNQKG5SSRDO7AVSO3PPIS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Globally Optimal Movable Antenna-Enhanced multiuser Communication: Discrete Antenna Positioning, Motion Power Consumption, and Imperfect CSI","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Derrick Wing Kwan Ng, Dongfang Xu, Robert Schober, Wolfgang Gerstacker, Yifei Wu","submitted_at":"2024-08-27T22:36:20Z","abstract_excerpt":"Movable antennas (MAs) represent a promising paradigm to enhance the spatial degrees of freedom of conventional multi-antenna systems by dynamically adapting the positions of antenna elements within a designated transmit area. In particular, by employing electro-mechanical MA drivers, the positions of the MA elements can be adjusted to shape a favorable spatial correlation for improving system performance. Although preliminary research has explored beamforming designs for MA systems, the intricacies of the power consumption and the precise positioning of MA elements are not well understood. Mo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.15435","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/2408.15435/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":"2026-07-05T11:38:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+eIaCWJnr/m6I6Vn9nDDfZ8VAWAUJusULZVrsxCVgB12jx9LTvR/0JVv2THVH2Eyl+8HpCUManI9hBWfqgAOCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T22:24:12.222840Z"},"content_sha256":"76fb997413e305ba2d2976448b97d1ad17c79799cabca09e2ae4650bd223f0e7","schema_version":"1.0","event_id":"sha256:76fb997413e305ba2d2976448b97d1ad17c79799cabca09e2ae4650bd223f0e7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SCPFGQNQKG5SSRDO7AVSO3PPIS/bundle.json","state_url":"https://pith.science/pith/SCPFGQNQKG5SSRDO7AVSO3PPIS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SCPFGQNQKG5SSRDO7AVSO3PPIS/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":"2026-08-08T22:24:12Z","links":{"resolver":"https://pith.science/pith/SCPFGQNQKG5SSRDO7AVSO3PPIS","bundle":"https://pith.science/pith/SCPFGQNQKG5SSRDO7AVSO3PPIS/bundle.json","state":"https://pith.science/pith/SCPFGQNQKG5SSRDO7AVSO3PPIS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SCPFGQNQKG5SSRDO7AVSO3PPIS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:SCPFGQNQKG5SSRDO7AVSO3PPIS","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":"9008049622f4ae3675cabc3d24979a9654ce8c2a5f008fd4e2875772997c7088","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2024-08-27T22:36:20Z","title_canon_sha256":"46fb7252c4696abeaeddd864abaaa08f47fac342f4d4590a935672602f65da1c"},"schema_version":"1.0","source":{"id":"2408.15435","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.15435","created_at":"2026-07-05T11:38:48Z"},{"alias_kind":"arxiv_version","alias_value":"2408.15435v2","created_at":"2026-07-05T11:38:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.15435","created_at":"2026-07-05T11:38:48Z"},{"alias_kind":"pith_short_12","alias_value":"SCPFGQNQKG5S","created_at":"2026-07-05T11:38:48Z"},{"alias_kind":"pith_short_16","alias_value":"SCPFGQNQKG5SSRDO","created_at":"2026-07-05T11:38:48Z"},{"alias_kind":"pith_short_8","alias_value":"SCPFGQNQ","created_at":"2026-07-05T11:38:48Z"}],"graph_snapshots":[{"event_id":"sha256:76fb997413e305ba2d2976448b97d1ad17c79799cabca09e2ae4650bd223f0e7","target":"graph","created_at":"2026-07-05T11:38:48Z","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/2408.15435/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Movable antennas (MAs) represent a promising paradigm to enhance the spatial degrees of freedom of conventional multi-antenna systems by dynamically adapting the positions of antenna elements within a designated transmit area. In particular, by employing electro-mechanical MA drivers, the positions of the MA elements can be adjusted to shape a favorable spatial correlation for improving system performance. Although preliminary research has explored beamforming designs for MA systems, the intricacies of the power consumption and the precise positioning of MA elements are not well understood. Mo","authors_text":"Derrick Wing Kwan Ng, Dongfang Xu, Robert Schober, Wolfgang Gerstacker, Yifei Wu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2024-08-27T22:36:20Z","title":"Globally Optimal Movable Antenna-Enhanced multiuser Communication: Discrete Antenna Positioning, Motion Power Consumption, and Imperfect CSI"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.15435","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":"sha256:09064233c62c1c07a214b0e263af1dc92bb5c06afe6cb5263d959875be15efcc","target":"record","created_at":"2026-07-05T11:38:48Z","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":"9008049622f4ae3675cabc3d24979a9654ce8c2a5f008fd4e2875772997c7088","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2024-08-27T22:36:20Z","title_canon_sha256":"46fb7252c4696abeaeddd864abaaa08f47fac342f4d4590a935672602f65da1c"},"schema_version":"1.0","source":{"id":"2408.15435","kind":"arxiv","version":2}},"canonical_sha256":"909e5341b051bb29446ef82b276def448d6b1479a9e3bdffc9be4cb479187ac9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"909e5341b051bb29446ef82b276def448d6b1479a9e3bdffc9be4cb479187ac9","first_computed_at":"2026-07-05T11:38:48.589804Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:38:48.589804Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nRuRmuVwzm423TUVUtlcaBxQmpCO0A03rHxgZ7klDtx44n9SHaGtnT0WGNRUOs0DrXUXa2U/k7d6FGaIcBwEBw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:38:48.590270Z","signed_message":"canonical_sha256_bytes"},"source_id":"2408.15435","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:09064233c62c1c07a214b0e263af1dc92bb5c06afe6cb5263d959875be15efcc","sha256:76fb997413e305ba2d2976448b97d1ad17c79799cabca09e2ae4650bd223f0e7"],"state_sha256":"e5f6d2f49b9fed4778967957673b916ff587ff7b6f97417775d2ed041b2b569f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VQqpgM7nrK1LMcMqFYCU4eBzYJYWusHQtQFb+/D5cTY1zpb2nFWf4KqZcRK4icD6OqA1LgS7EMEHjmChZuAEAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T22:24:12.226871Z","bundle_sha256":"e4fcdd7ecdb2a0c127aae549019ebeddb110fa1c693276065e944dfaacd97482"}}