{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:COML4PI3EHCFLBEVU5EQAROGVB","short_pith_number":"pith:COML4PI3","canonical_record":{"source":{"id":"2405.01146","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IT","submitted_at":"2024-05-02T10:04:12Z","cross_cats_sorted":["eess.SP","math.IT"],"title_canon_sha256":"02f28904c3d7d1de870f26904ac654d7156bbf85ec6cdbbd71dd7f018048cafd","abstract_canon_sha256":"de57b7db2fee0dc9ca813ec401ea3ac04987de709676dac17ae3e2ef66c657ed"},"schema_version":"1.0"},"canonical_sha256":"1398be3d1b21c4558495a7490045c6a86c3a0b0224b9e80641d76e24b534c5fb","source":{"kind":"arxiv","id":"2405.01146","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.01146","created_at":"2026-07-05T08:14:31Z"},{"alias_kind":"arxiv_version","alias_value":"2405.01146v1","created_at":"2026-07-05T08:14:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.01146","created_at":"2026-07-05T08:14:31Z"},{"alias_kind":"pith_short_12","alias_value":"COML4PI3EHCF","created_at":"2026-07-05T08:14:31Z"},{"alias_kind":"pith_short_16","alias_value":"COML4PI3EHCFLBEV","created_at":"2026-07-05T08:14:31Z"},{"alias_kind":"pith_short_8","alias_value":"COML4PI3","created_at":"2026-07-05T08:14:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:COML4PI3EHCFLBEVU5EQAROGVB","target":"record","payload":{"canonical_record":{"source":{"id":"2405.01146","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IT","submitted_at":"2024-05-02T10:04:12Z","cross_cats_sorted":["eess.SP","math.IT"],"title_canon_sha256":"02f28904c3d7d1de870f26904ac654d7156bbf85ec6cdbbd71dd7f018048cafd","abstract_canon_sha256":"de57b7db2fee0dc9ca813ec401ea3ac04987de709676dac17ae3e2ef66c657ed"},"schema_version":"1.0"},"canonical_sha256":"1398be3d1b21c4558495a7490045c6a86c3a0b0224b9e80641d76e24b534c5fb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:14:31.228476Z","signature_b64":"lKQpBqVE+ulnP/dahf/F2IfJ+wPIYpSMn3NA4GW6sYEW2SG7E8htgvker5VOUT4CpNzkcPh5xVIOT4tz519ADg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1398be3d1b21c4558495a7490045c6a86c3a0b0224b9e80641d76e24b534c5fb","last_reissued_at":"2026-07-05T08:14:31.228100Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:14:31.228100Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2405.01146","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":"2026-07-05T08:14:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4mTBq0TCe3xBOeQs+AWYQvpwpOcawQMDR9L9FwxtcJYsur1CE6OEq/IfijpMZkEQcNMxHKbCV9ORpbfhrgSLBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T08:48:12.663473Z"},"content_sha256":"1cf0f9e5b3d3bd54fa5425f62437b295e39d90e611ed65d323bde176d3c5ae15","schema_version":"1.0","event_id":"sha256:1cf0f9e5b3d3bd54fa5425f62437b295e39d90e611ed65d323bde176d3c5ae15"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:COML4PI3EHCFLBEVU5EQAROGVB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Energy-Efficient Reconfigurable Holographic Surfaces Operating in the Presence of Realistic Hardware Impairments","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["eess.SP","math.IT"],"primary_cat":"cs.IT","authors_text":"Arman Shojaeifard, Ibrahim Hemadeh, Lajos Hanzo, Mohammed EL-Hajjar, Qingchao Li, Yanshi Sun","submitted_at":"2024-05-02T10:04:12Z","abstract_excerpt":"Reconfigurable holographic surfaces (RHSs) constitute a promising technique of supporting energy-efficient communications. In this paper, we formulate the energy efficiency maximization problem of the switch-controlled RHS-aided beamforming architecture by alternately optimizing the holographic beamformer at the RHS, the digital beamformer, the total transmit power and the power sharing ratio of each user. Specifically, to deal with this challenging non-convex optimization problem, we decouple it into three sub-problems. Firstly, the coefficients of RHS elements responsible for the holographic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.01146","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/2405.01146/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":"2026-07-05T08:14:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/qdc/8xInkOtvs12t4ptFcRgQzSrvMxhWBXd2O3dnL0fvLnVZG9NeWmqCgSo/FBT2sH5icu+3c+XRMS/WglYBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T08:48:12.663988Z"},"content_sha256":"d6ad5c8739cf6a56e41e629536e76e2af5de5d2fd44f2f28bf8efa5d15bd192f","schema_version":"1.0","event_id":"sha256:d6ad5c8739cf6a56e41e629536e76e2af5de5d2fd44f2f28bf8efa5d15bd192f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/COML4PI3EHCFLBEVU5EQAROGVB/bundle.json","state_url":"https://pith.science/pith/COML4PI3EHCFLBEVU5EQAROGVB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/COML4PI3EHCFLBEVU5EQAROGVB/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":"2026-08-05T08:48:12Z","links":{"resolver":"https://pith.science/pith/COML4PI3EHCFLBEVU5EQAROGVB","bundle":"https://pith.science/pith/COML4PI3EHCFLBEVU5EQAROGVB/bundle.json","state":"https://pith.science/pith/COML4PI3EHCFLBEVU5EQAROGVB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/COML4PI3EHCFLBEVU5EQAROGVB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:COML4PI3EHCFLBEVU5EQAROGVB","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":"de57b7db2fee0dc9ca813ec401ea3ac04987de709676dac17ae3e2ef66c657ed","cross_cats_sorted":["eess.SP","math.IT"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IT","submitted_at":"2024-05-02T10:04:12Z","title_canon_sha256":"02f28904c3d7d1de870f26904ac654d7156bbf85ec6cdbbd71dd7f018048cafd"},"schema_version":"1.0","source":{"id":"2405.01146","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.01146","created_at":"2026-07-05T08:14:31Z"},{"alias_kind":"arxiv_version","alias_value":"2405.01146v1","created_at":"2026-07-05T08:14:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.01146","created_at":"2026-07-05T08:14:31Z"},{"alias_kind":"pith_short_12","alias_value":"COML4PI3EHCF","created_at":"2026-07-05T08:14:31Z"},{"alias_kind":"pith_short_16","alias_value":"COML4PI3EHCFLBEV","created_at":"2026-07-05T08:14:31Z"},{"alias_kind":"pith_short_8","alias_value":"COML4PI3","created_at":"2026-07-05T08:14:31Z"}],"graph_snapshots":[{"event_id":"sha256:d6ad5c8739cf6a56e41e629536e76e2af5de5d2fd44f2f28bf8efa5d15bd192f","target":"graph","created_at":"2026-07-05T08:14:31Z","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/2405.01146/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Reconfigurable holographic surfaces (RHSs) constitute a promising technique of supporting energy-efficient communications. In this paper, we formulate the energy efficiency maximization problem of the switch-controlled RHS-aided beamforming architecture by alternately optimizing the holographic beamformer at the RHS, the digital beamformer, the total transmit power and the power sharing ratio of each user. Specifically, to deal with this challenging non-convex optimization problem, we decouple it into three sub-problems. Firstly, the coefficients of RHS elements responsible for the holographic","authors_text":"Arman Shojaeifard, Ibrahim Hemadeh, Lajos Hanzo, Mohammed EL-Hajjar, Qingchao Li, Yanshi Sun","cross_cats":["eess.SP","math.IT"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IT","submitted_at":"2024-05-02T10:04:12Z","title":"Energy-Efficient Reconfigurable Holographic Surfaces Operating in the Presence of Realistic Hardware Impairments"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.01146","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":"sha256:1cf0f9e5b3d3bd54fa5425f62437b295e39d90e611ed65d323bde176d3c5ae15","target":"record","created_at":"2026-07-05T08:14:31Z","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":"de57b7db2fee0dc9ca813ec401ea3ac04987de709676dac17ae3e2ef66c657ed","cross_cats_sorted":["eess.SP","math.IT"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IT","submitted_at":"2024-05-02T10:04:12Z","title_canon_sha256":"02f28904c3d7d1de870f26904ac654d7156bbf85ec6cdbbd71dd7f018048cafd"},"schema_version":"1.0","source":{"id":"2405.01146","kind":"arxiv","version":1}},"canonical_sha256":"1398be3d1b21c4558495a7490045c6a86c3a0b0224b9e80641d76e24b534c5fb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1398be3d1b21c4558495a7490045c6a86c3a0b0224b9e80641d76e24b534c5fb","first_computed_at":"2026-07-05T08:14:31.228100Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:14:31.228100Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lKQpBqVE+ulnP/dahf/F2IfJ+wPIYpSMn3NA4GW6sYEW2SG7E8htgvker5VOUT4CpNzkcPh5xVIOT4tz519ADg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:14:31.228476Z","signed_message":"canonical_sha256_bytes"},"source_id":"2405.01146","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1cf0f9e5b3d3bd54fa5425f62437b295e39d90e611ed65d323bde176d3c5ae15","sha256:d6ad5c8739cf6a56e41e629536e76e2af5de5d2fd44f2f28bf8efa5d15bd192f"],"state_sha256":"c92d477d432c6127d9be5e74b0af664cbbeb42548bb1ca0226b2f389fed21119"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2jrzBvRQI6bcVFYjBRmEKcsdcijXkDyIMrmvene6zC9NXoYv/+ztYz74IcLQiloPbNwu93dwlQdZ+8nO/qJ3Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T08:48:12.667770Z","bundle_sha256":"a0dac8714d1d3224d94db271958cf37d6584800cad232ca1026007bbe0628215"}}