{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:G2LIP23DRHESZYFETTWUJKAXFZ","short_pith_number":"pith:G2LIP23D","canonical_record":{"source":{"id":"2209.09828","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2022-09-20T16:16:50Z","cross_cats_sorted":["eess.SP","math.IT"],"title_canon_sha256":"b74f3f1b254d4d3d25bf3533ad4e761f8cd4c52afaf17f698bd7861d702ad723","abstract_canon_sha256":"a82ca187973d81fb892654c812a5e7cffb2e2251b42662dac4e27323b4129df5"},"schema_version":"1.0"},"canonical_sha256":"369687eb6389c92ce0a49ced44a8172e7e5841d09dc329b12ba73dbc19d0da4e","source":{"kind":"arxiv","id":"2209.09828","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.09828","created_at":"2026-07-05T05:58:39Z"},{"alias_kind":"arxiv_version","alias_value":"2209.09828v2","created_at":"2026-07-05T05:58:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.09828","created_at":"2026-07-05T05:58:39Z"},{"alias_kind":"pith_short_12","alias_value":"G2LIP23DRHES","created_at":"2026-07-05T05:58:39Z"},{"alias_kind":"pith_short_16","alias_value":"G2LIP23DRHESZYFE","created_at":"2026-07-05T05:58:39Z"},{"alias_kind":"pith_short_8","alias_value":"G2LIP23D","created_at":"2026-07-05T05:58:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:G2LIP23DRHESZYFETTWUJKAXFZ","target":"record","payload":{"canonical_record":{"source":{"id":"2209.09828","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2022-09-20T16:16:50Z","cross_cats_sorted":["eess.SP","math.IT"],"title_canon_sha256":"b74f3f1b254d4d3d25bf3533ad4e761f8cd4c52afaf17f698bd7861d702ad723","abstract_canon_sha256":"a82ca187973d81fb892654c812a5e7cffb2e2251b42662dac4e27323b4129df5"},"schema_version":"1.0"},"canonical_sha256":"369687eb6389c92ce0a49ced44a8172e7e5841d09dc329b12ba73dbc19d0da4e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:58:39.089688Z","signature_b64":"4uHSa+y+IsiZNcDhLNkHchQTALYYdyXG53nzZ/6YuJUlD/Q7VTHpxIg00fxVqlpdMqQX+wykxw2yjIOwuhY5Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"369687eb6389c92ce0a49ced44a8172e7e5841d09dc329b12ba73dbc19d0da4e","last_reissued_at":"2026-07-05T05:58:39.089304Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:58:39.089304Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2209.09828","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":"2026-07-05T05:58:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7Vfy8sz3rYc3CxEOjD3it8ijqUhQw3Rr/YSbE8P0879H8ItF49Beq+SxS01Yl3XdZhpOPjyr6b9zWUF6PbTlCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T06:02:33.326462Z"},"content_sha256":"f69a8ce5ca752bda5da98931f793b81543c93465c3ab1ab7d11b0da8dbe88022","schema_version":"1.0","event_id":"sha256:f69a8ce5ca752bda5da98931f793b81543c93465c3ab1ab7d11b0da8dbe88022"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:G2LIP23DRHESZYFETTWUJKAXFZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Joint Base Station and IRS Deployment for Enhancing Network Coverage: A Graph-Based Modeling and Optimization Approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.SP","math.IT"],"primary_cat":"cs.IT","authors_text":"Rui Zhang, Weidong Mei","submitted_at":"2022-09-20T16:16:50Z","abstract_excerpt":"Intelligent reflecting surface (IRS) can be densely deployed in complex environment to create cascaded line-of-sight (LoS) paths between multiple base stations (BSs) and users via tunable IRS reflections, thereby significantly enhancing the coverage performance of wireless networks. To achieve this goal, it is vital to optimize the deployed locations of BSs and IRSs in the wireless network, which is investigated in this paper. Specifically, we divide the coverage area of the network into multiple non-overlapping cells and decide whether to deploy a BS/IRS in each cell given a total number of B"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.09828","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/2209.09828/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":"2026-07-05T05:58:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oH4Zuy+oOV85vb7EZfj8sFIrzkZUznT6ItIWVVUif3LGmZrXNBhiMHXF2ORveFAD5hSeLGo4qgUAL9bjP8P3CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T06:02:33.327949Z"},"content_sha256":"651274e223ba485b4544d6f682543f8f6df56bbcaf93c0637a1a6f847a69516a","schema_version":"1.0","event_id":"sha256:651274e223ba485b4544d6f682543f8f6df56bbcaf93c0637a1a6f847a69516a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/G2LIP23DRHESZYFETTWUJKAXFZ/bundle.json","state_url":"https://pith.science/pith/G2LIP23DRHESZYFETTWUJKAXFZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/G2LIP23DRHESZYFETTWUJKAXFZ/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":"2026-08-05T06:02:33Z","links":{"resolver":"https://pith.science/pith/G2LIP23DRHESZYFETTWUJKAXFZ","bundle":"https://pith.science/pith/G2LIP23DRHESZYFETTWUJKAXFZ/bundle.json","state":"https://pith.science/pith/G2LIP23DRHESZYFETTWUJKAXFZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/G2LIP23DRHESZYFETTWUJKAXFZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:G2LIP23DRHESZYFETTWUJKAXFZ","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":"a82ca187973d81fb892654c812a5e7cffb2e2251b42662dac4e27323b4129df5","cross_cats_sorted":["eess.SP","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2022-09-20T16:16:50Z","title_canon_sha256":"b74f3f1b254d4d3d25bf3533ad4e761f8cd4c52afaf17f698bd7861d702ad723"},"schema_version":"1.0","source":{"id":"2209.09828","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.09828","created_at":"2026-07-05T05:58:39Z"},{"alias_kind":"arxiv_version","alias_value":"2209.09828v2","created_at":"2026-07-05T05:58:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.09828","created_at":"2026-07-05T05:58:39Z"},{"alias_kind":"pith_short_12","alias_value":"G2LIP23DRHES","created_at":"2026-07-05T05:58:39Z"},{"alias_kind":"pith_short_16","alias_value":"G2LIP23DRHESZYFE","created_at":"2026-07-05T05:58:39Z"},{"alias_kind":"pith_short_8","alias_value":"G2LIP23D","created_at":"2026-07-05T05:58:39Z"}],"graph_snapshots":[{"event_id":"sha256:651274e223ba485b4544d6f682543f8f6df56bbcaf93c0637a1a6f847a69516a","target":"graph","created_at":"2026-07-05T05:58:39Z","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/2209.09828/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Intelligent reflecting surface (IRS) can be densely deployed in complex environment to create cascaded line-of-sight (LoS) paths between multiple base stations (BSs) and users via tunable IRS reflections, thereby significantly enhancing the coverage performance of wireless networks. To achieve this goal, it is vital to optimize the deployed locations of BSs and IRSs in the wireless network, which is investigated in this paper. Specifically, we divide the coverage area of the network into multiple non-overlapping cells and decide whether to deploy a BS/IRS in each cell given a total number of B","authors_text":"Rui Zhang, Weidong Mei","cross_cats":["eess.SP","math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2022-09-20T16:16:50Z","title":"Joint Base Station and IRS Deployment for Enhancing Network Coverage: A Graph-Based Modeling and Optimization Approach"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.09828","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:f69a8ce5ca752bda5da98931f793b81543c93465c3ab1ab7d11b0da8dbe88022","target":"record","created_at":"2026-07-05T05:58:39Z","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":"a82ca187973d81fb892654c812a5e7cffb2e2251b42662dac4e27323b4129df5","cross_cats_sorted":["eess.SP","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2022-09-20T16:16:50Z","title_canon_sha256":"b74f3f1b254d4d3d25bf3533ad4e761f8cd4c52afaf17f698bd7861d702ad723"},"schema_version":"1.0","source":{"id":"2209.09828","kind":"arxiv","version":2}},"canonical_sha256":"369687eb6389c92ce0a49ced44a8172e7e5841d09dc329b12ba73dbc19d0da4e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"369687eb6389c92ce0a49ced44a8172e7e5841d09dc329b12ba73dbc19d0da4e","first_computed_at":"2026-07-05T05:58:39.089304Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:58:39.089304Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4uHSa+y+IsiZNcDhLNkHchQTALYYdyXG53nzZ/6YuJUlD/Q7VTHpxIg00fxVqlpdMqQX+wykxw2yjIOwuhY5Bw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:58:39.089688Z","signed_message":"canonical_sha256_bytes"},"source_id":"2209.09828","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f69a8ce5ca752bda5da98931f793b81543c93465c3ab1ab7d11b0da8dbe88022","sha256:651274e223ba485b4544d6f682543f8f6df56bbcaf93c0637a1a6f847a69516a"],"state_sha256":"fc5bef5c32a58c9ab1d753534dddc8c2428acaffc65722ea1c5f02e382575562"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5eUQhw+np8s02/wniXM5fMGKzSBOC8X7NmdqNoKCndqfO6rDjx+td44wbPi4AYgjqkX2Q6s9Yzyjiss6Ao40AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T06:02:33.334859Z","bundle_sha256":"9894ae80c48740a00f77638b10681afc74d27ee95250a0d89f288aaca1687c13"}}