{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:W4JP63UILX2VTED35CW4BQDIUH","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":"0a5a6d14265e01b3f8b14b31d5ad907b127316a2e70b0a8350a8d270af3002fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2025-05-07T14:19:57Z","title_canon_sha256":"3a93e6034be5e0863e480a3ddb53330b31f51ab58c98b8d1b9d02907479b122e"},"schema_version":"1.0","source":{"id":"2505.04449","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.04449","created_at":"2026-07-05T10:59:52Z"},{"alias_kind":"arxiv_version","alias_value":"2505.04449v1","created_at":"2026-07-05T10:59:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.04449","created_at":"2026-07-05T10:59:52Z"},{"alias_kind":"pith_short_12","alias_value":"W4JP63UILX2V","created_at":"2026-07-05T10:59:52Z"},{"alias_kind":"pith_short_16","alias_value":"W4JP63UILX2VTED3","created_at":"2026-07-05T10:59:52Z"},{"alias_kind":"pith_short_8","alias_value":"W4JP63UI","created_at":"2026-07-05T10:59:52Z"}],"graph_snapshots":[{"event_id":"sha256:671f8b7f250b0ca54ed27c027bedc33f89794ebadfdddf3bfd87bae3c8514a11","target":"graph","created_at":"2026-07-05T10:59:52Z","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/2505.04449/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Intelligent reflecting surfaces (IRS) have emerged as a promising technology for future 6G wireless networks, offering programmable control of the wireless environment by adjusting the phase shifts of reflecting elements. However, IRS performance relies on accurately configuring the phase shifts of reflecting elements, which introduces substantial phase shift information (PSI) delivery overhead, especially in large-scale or rapidly changing environments. This paper first introduces the architecture of IRS-assisted systems and highlights real-world use cases where PSI delivery becomes a critica","authors_text":"Dong Li, Xianhua Yu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2025-05-07T14:19:57Z","title":"Phase Shift Information Compression in IRS-aided Wireless Systems: Challenges and Opportunities"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.04449","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":"sha256:01d89cb34cad51634acc3de38ac678a00eb259e449afdf2c46644074d0e7f581","target":"record","created_at":"2026-07-05T10:59:52Z","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":"0a5a6d14265e01b3f8b14b31d5ad907b127316a2e70b0a8350a8d270af3002fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2025-05-07T14:19:57Z","title_canon_sha256":"3a93e6034be5e0863e480a3ddb53330b31f51ab58c98b8d1b9d02907479b122e"},"schema_version":"1.0","source":{"id":"2505.04449","kind":"arxiv","version":1}},"canonical_sha256":"b712ff6e885df559907be8adc0c068a1cd1ffb6eeee27bec8d0d09e18e12a962","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b712ff6e885df559907be8adc0c068a1cd1ffb6eeee27bec8d0d09e18e12a962","first_computed_at":"2026-07-05T10:59:52.038604Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:59:52.038604Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oyI2GWKQBPMpjGFG6UbKDXcTqPdX39Wf4A8IztUmCXS88pCGtH5WJzZj7eiBFP9RiHbvmwEEQPtyoqZbJJ4IDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:59:52.039123Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.04449","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:01d89cb34cad51634acc3de38ac678a00eb259e449afdf2c46644074d0e7f581","sha256:671f8b7f250b0ca54ed27c027bedc33f89794ebadfdddf3bfd87bae3c8514a11"],"state_sha256":"55afd7b62f6b9d1b67f6388341f60d170af130eb7a4601f86a97e596859c1e59"}