{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:I3NXS7OWAP2QCQ4JUPN74RCQXO","short_pith_number":"pith:I3NXS7OW","canonical_record":{"source":{"id":"2512.03703","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2025-12-03T11:56:23Z","cross_cats_sorted":[],"title_canon_sha256":"d4d9583974f4ff76e35fc579cc91e6c3483c149cb3de598be89c6f1263b983f4","abstract_canon_sha256":"1aba9dbc289802bc5d46a2af1ea2426f0c2b911a471475fce92a85f3aabc8989"},"schema_version":"1.0"},"canonical_sha256":"46db797dd603f5014389a3dbfe4450bbbf792ba4955e66868b39c50e78ea097c","source":{"kind":"arxiv","id":"2512.03703","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2512.03703","created_at":"2026-06-09T02:07:14Z"},{"alias_kind":"arxiv_version","alias_value":"2512.03703v2","created_at":"2026-06-09T02:07:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.03703","created_at":"2026-06-09T02:07:14Z"},{"alias_kind":"pith_short_12","alias_value":"I3NXS7OWAP2Q","created_at":"2026-06-09T02:07:14Z"},{"alias_kind":"pith_short_16","alias_value":"I3NXS7OWAP2QCQ4J","created_at":"2026-06-09T02:07:14Z"},{"alias_kind":"pith_short_8","alias_value":"I3NXS7OW","created_at":"2026-06-09T02:07:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:I3NXS7OWAP2QCQ4JUPN74RCQXO","target":"record","payload":{"canonical_record":{"source":{"id":"2512.03703","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2025-12-03T11:56:23Z","cross_cats_sorted":[],"title_canon_sha256":"d4d9583974f4ff76e35fc579cc91e6c3483c149cb3de598be89c6f1263b983f4","abstract_canon_sha256":"1aba9dbc289802bc5d46a2af1ea2426f0c2b911a471475fce92a85f3aabc8989"},"schema_version":"1.0"},"canonical_sha256":"46db797dd603f5014389a3dbfe4450bbbf792ba4955e66868b39c50e78ea097c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-09T02:07:14.245945Z","signature_b64":"aVDz21e+VAqHNcYC3nCJuayjwNUsQd7oCPiXZKVK5akj4QdUi3S+IxD5xRt3sDQTs7323PKVQ9rvwHtkP/9iAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"46db797dd603f5014389a3dbfe4450bbbf792ba4955e66868b39c50e78ea097c","last_reissued_at":"2026-06-09T02:07:14.244942Z","signature_status":"signed_v1","first_computed_at":"2026-06-09T02:07:14.244942Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2512.03703","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":"2026-06-09T02:07:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h1cOYTmOrWaD2OZA04C1BPcDq4N+OGTNA4rxvowiXsfUDQ7H272V7Mr/FQYRioLPYQMcepdKJZiYkfXEMNd0DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T08:27:04.907500Z"},"content_sha256":"6270a77fe99eaf72e5e8b4f1c2e1fe6787afde0926a5b2bdb94d019b70dc25d9","schema_version":"1.0","event_id":"sha256:6270a77fe99eaf72e5e8b4f1c2e1fe6787afde0926a5b2bdb94d019b70dc25d9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:I3NXS7OWAP2QCQ4JUPN74RCQXO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Pixel-based Reconfigurable Beamforming Networks Emulating Physical Movement in FAS","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Alikhan Umirbayev, Chi-Yuk Chiu, Jichen Zhang, Junhui Rao, Ross Murch, Tianqu Kang, Yijun Chen, Zhaoyang Ming","submitted_at":"2025-12-03T11:56:23Z","abstract_excerpt":"The concept of Fluid Antenna Systems (FAS) has emerged as an attractive new system technology for use in sixth-generation (6G) wireless systems. However, most FAS implementations rely on mechanical antenna movement and thus are too slow to be useful. In this paper, a novel pixel-based reconfigurable beamforming network (PRBFN) is used to emulate movement in Fluid Antenna Systems (FASs). Using the insight that changing an antenna's physical position is equivalent to changing radiation patterns that satisfy the desired pattern correlation, the PRBFN is used to control the excitation current vect"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2512.03703","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/2512.03703/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":"2026-06-09T02:07:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lD64Gshv++EK9GSXd9H+tAA6OBuQYRUyfMLM0JVGvYVa6M2XCIqPIPa4QuRZ1hl561JLfGso/4/hvir50EvDDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T08:27:04.908305Z"},"content_sha256":"8b3d8986c450fe6871ca6d3d5e484816bf381ea50f9ce02316a0b9c46af05a1d","schema_version":"1.0","event_id":"sha256:8b3d8986c450fe6871ca6d3d5e484816bf381ea50f9ce02316a0b9c46af05a1d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I3NXS7OWAP2QCQ4JUPN74RCQXO/bundle.json","state_url":"https://pith.science/pith/I3NXS7OWAP2QCQ4JUPN74RCQXO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I3NXS7OWAP2QCQ4JUPN74RCQXO/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":"2026-06-10T08:27:04Z","links":{"resolver":"https://pith.science/pith/I3NXS7OWAP2QCQ4JUPN74RCQXO","bundle":"https://pith.science/pith/I3NXS7OWAP2QCQ4JUPN74RCQXO/bundle.json","state":"https://pith.science/pith/I3NXS7OWAP2QCQ4JUPN74RCQXO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I3NXS7OWAP2QCQ4JUPN74RCQXO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:I3NXS7OWAP2QCQ4JUPN74RCQXO","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":"1aba9dbc289802bc5d46a2af1ea2426f0c2b911a471475fce92a85f3aabc8989","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2025-12-03T11:56:23Z","title_canon_sha256":"d4d9583974f4ff76e35fc579cc91e6c3483c149cb3de598be89c6f1263b983f4"},"schema_version":"1.0","source":{"id":"2512.03703","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2512.03703","created_at":"2026-06-09T02:07:14Z"},{"alias_kind":"arxiv_version","alias_value":"2512.03703v2","created_at":"2026-06-09T02:07:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.03703","created_at":"2026-06-09T02:07:14Z"},{"alias_kind":"pith_short_12","alias_value":"I3NXS7OWAP2Q","created_at":"2026-06-09T02:07:14Z"},{"alias_kind":"pith_short_16","alias_value":"I3NXS7OWAP2QCQ4J","created_at":"2026-06-09T02:07:14Z"},{"alias_kind":"pith_short_8","alias_value":"I3NXS7OW","created_at":"2026-06-09T02:07:14Z"}],"graph_snapshots":[{"event_id":"sha256:8b3d8986c450fe6871ca6d3d5e484816bf381ea50f9ce02316a0b9c46af05a1d","target":"graph","created_at":"2026-06-09T02:07:14Z","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/2512.03703/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The concept of Fluid Antenna Systems (FAS) has emerged as an attractive new system technology for use in sixth-generation (6G) wireless systems. However, most FAS implementations rely on mechanical antenna movement and thus are too slow to be useful. In this paper, a novel pixel-based reconfigurable beamforming network (PRBFN) is used to emulate movement in Fluid Antenna Systems (FASs). Using the insight that changing an antenna's physical position is equivalent to changing radiation patterns that satisfy the desired pattern correlation, the PRBFN is used to control the excitation current vect","authors_text":"Alikhan Umirbayev, Chi-Yuk Chiu, Jichen Zhang, Junhui Rao, Ross Murch, Tianqu Kang, Yijun Chen, Zhaoyang Ming","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2025-12-03T11:56:23Z","title":"Pixel-based Reconfigurable Beamforming Networks Emulating Physical Movement in FAS"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2512.03703","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":"sha256:6270a77fe99eaf72e5e8b4f1c2e1fe6787afde0926a5b2bdb94d019b70dc25d9","target":"record","created_at":"2026-06-09T02:07:14Z","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":"1aba9dbc289802bc5d46a2af1ea2426f0c2b911a471475fce92a85f3aabc8989","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2025-12-03T11:56:23Z","title_canon_sha256":"d4d9583974f4ff76e35fc579cc91e6c3483c149cb3de598be89c6f1263b983f4"},"schema_version":"1.0","source":{"id":"2512.03703","kind":"arxiv","version":2}},"canonical_sha256":"46db797dd603f5014389a3dbfe4450bbbf792ba4955e66868b39c50e78ea097c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"46db797dd603f5014389a3dbfe4450bbbf792ba4955e66868b39c50e78ea097c","first_computed_at":"2026-06-09T02:07:14.244942Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-09T02:07:14.244942Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aVDz21e+VAqHNcYC3nCJuayjwNUsQd7oCPiXZKVK5akj4QdUi3S+IxD5xRt3sDQTs7323PKVQ9rvwHtkP/9iAQ==","signature_status":"signed_v1","signed_at":"2026-06-09T02:07:14.245945Z","signed_message":"canonical_sha256_bytes"},"source_id":"2512.03703","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6270a77fe99eaf72e5e8b4f1c2e1fe6787afde0926a5b2bdb94d019b70dc25d9","sha256:8b3d8986c450fe6871ca6d3d5e484816bf381ea50f9ce02316a0b9c46af05a1d"],"state_sha256":"c2b0e9f24e7d1726e780b4f0ed4c437b9c7eb1b260595ebd1f8d80a05cae0ead"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KPxm/KyQX+xvoeJ9c+tTxjucPELFpXxSzl1wBNkF9DcnkelEv/OypcL+/67PHIt7YAjFFNz6KsTX1rmLhYxOCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T08:27:04.912826Z","bundle_sha256":"b3f7cc5ef69856c5003ff0982c4d716bcd433b08242e378e3e34d386b0a1511b"}}