{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:N4PNXM7LXPK2FJHMFTJMWXO35T","short_pith_number":"pith:N4PNXM7L","canonical_record":{"source":{"id":"2201.09124","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2022-01-22T20:26:45Z","cross_cats_sorted":[],"title_canon_sha256":"9d35386f6b5873360f70c18ec31ce2c4836d8fbf7feb8c62150085dc53b375c5","abstract_canon_sha256":"d74c41c51c664d17122ea68ac44fef937bf06651cf692ec1b3d0b0ae0df94ac6"},"schema_version":"1.0"},"canonical_sha256":"6f1edbb3ebbbd5a2a4ec2cd2cb5ddbecf9b5428044616a9001058dca282f0715","source":{"kind":"arxiv","id":"2201.09124","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.09124","created_at":"2026-07-05T03:50:40Z"},{"alias_kind":"arxiv_version","alias_value":"2201.09124v1","created_at":"2026-07-05T03:50:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.09124","created_at":"2026-07-05T03:50:40Z"},{"alias_kind":"pith_short_12","alias_value":"N4PNXM7LXPK2","created_at":"2026-07-05T03:50:40Z"},{"alias_kind":"pith_short_16","alias_value":"N4PNXM7LXPK2FJHM","created_at":"2026-07-05T03:50:40Z"},{"alias_kind":"pith_short_8","alias_value":"N4PNXM7L","created_at":"2026-07-05T03:50:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:N4PNXM7LXPK2FJHMFTJMWXO35T","target":"record","payload":{"canonical_record":{"source":{"id":"2201.09124","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2022-01-22T20:26:45Z","cross_cats_sorted":[],"title_canon_sha256":"9d35386f6b5873360f70c18ec31ce2c4836d8fbf7feb8c62150085dc53b375c5","abstract_canon_sha256":"d74c41c51c664d17122ea68ac44fef937bf06651cf692ec1b3d0b0ae0df94ac6"},"schema_version":"1.0"},"canonical_sha256":"6f1edbb3ebbbd5a2a4ec2cd2cb5ddbecf9b5428044616a9001058dca282f0715","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:50:40.598543Z","signature_b64":"zMIWyQMS8Mcs3flZx2nYsik1ttZikVbhiPB4frQrFg9u2vnnCJot3Aqdp6Uwict4ZgL7Q/XUji0fHh25RutAAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6f1edbb3ebbbd5a2a4ec2cd2cb5ddbecf9b5428044616a9001058dca282f0715","last_reissued_at":"2026-07-05T03:50:40.598136Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:50:40.598136Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2201.09124","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":"2026-07-05T03:50:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ykW7KwyHgzVwuSOM3EtG0nqOJvCejP0I6umNFb3UqFpJeMCfkxYqiKSfrq2oGjIEDmiol1Spukk+Lf+VwRn8AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:11:37.584535Z"},"content_sha256":"b9362b6117c08a7209cab809ad7a09d79f6d46f69d7613099bcc5580cc3e3240","schema_version":"1.0","event_id":"sha256:b9362b6117c08a7209cab809ad7a09d79f6d46f69d7613099bcc5580cc3e3240"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:N4PNXM7LXPK2FJHMFTJMWXO35T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Copula-Based Modeling of RIS-Assisted Communications: Outage Probability Analysis","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Damoon Shahbaztabar, Im\\`ene Trigui, Wei-Ping Zhu, Wessam Ajib","submitted_at":"2022-01-22T20:26:45Z","abstract_excerpt":"Statistical characterization of the signal-to-noise ratio (SNR) of reconfigurable intelligent surface (RIS)-assistedcommunications in the presence of phase noise is an important open issue. In this letter, we exploit the concept of copula modeling to capture the non-standard dependence features that appear due to the presence of discrete phase noise. In particular,we consider the outage probability of RIS systems in Rayleighfading channels and provide joint distributions to characterize the dependencies due to the use of finite resolution phase shifters at the RIS. Numerical assessments confir"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.09124","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/2201.09124/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":"2026-07-05T03:50:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XzUn64RNHbuf17U+rIMazl09vBYTW/czcFppaBokoy9ypN9RmsP6k5eeqwPD8HL/8Cpvjx/qEsFiKydOoYIRDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:11:37.584909Z"},"content_sha256":"aa147bbe2a36a54b1d19ce583c678cbd0bd5a26bca7298e9bacb6e492fb37f73","schema_version":"1.0","event_id":"sha256:aa147bbe2a36a54b1d19ce583c678cbd0bd5a26bca7298e9bacb6e492fb37f73"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N4PNXM7LXPK2FJHMFTJMWXO35T/bundle.json","state_url":"https://pith.science/pith/N4PNXM7LXPK2FJHMFTJMWXO35T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N4PNXM7LXPK2FJHMFTJMWXO35T/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":"2026-07-07T13:11:37Z","links":{"resolver":"https://pith.science/pith/N4PNXM7LXPK2FJHMFTJMWXO35T","bundle":"https://pith.science/pith/N4PNXM7LXPK2FJHMFTJMWXO35T/bundle.json","state":"https://pith.science/pith/N4PNXM7LXPK2FJHMFTJMWXO35T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N4PNXM7LXPK2FJHMFTJMWXO35T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:N4PNXM7LXPK2FJHMFTJMWXO35T","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":"d74c41c51c664d17122ea68ac44fef937bf06651cf692ec1b3d0b0ae0df94ac6","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2022-01-22T20:26:45Z","title_canon_sha256":"9d35386f6b5873360f70c18ec31ce2c4836d8fbf7feb8c62150085dc53b375c5"},"schema_version":"1.0","source":{"id":"2201.09124","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.09124","created_at":"2026-07-05T03:50:40Z"},{"alias_kind":"arxiv_version","alias_value":"2201.09124v1","created_at":"2026-07-05T03:50:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.09124","created_at":"2026-07-05T03:50:40Z"},{"alias_kind":"pith_short_12","alias_value":"N4PNXM7LXPK2","created_at":"2026-07-05T03:50:40Z"},{"alias_kind":"pith_short_16","alias_value":"N4PNXM7LXPK2FJHM","created_at":"2026-07-05T03:50:40Z"},{"alias_kind":"pith_short_8","alias_value":"N4PNXM7L","created_at":"2026-07-05T03:50:40Z"}],"graph_snapshots":[{"event_id":"sha256:aa147bbe2a36a54b1d19ce583c678cbd0bd5a26bca7298e9bacb6e492fb37f73","target":"graph","created_at":"2026-07-05T03:50:40Z","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/2201.09124/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Statistical characterization of the signal-to-noise ratio (SNR) of reconfigurable intelligent surface (RIS)-assistedcommunications in the presence of phase noise is an important open issue. In this letter, we exploit the concept of copula modeling to capture the non-standard dependence features that appear due to the presence of discrete phase noise. In particular,we consider the outage probability of RIS systems in Rayleighfading channels and provide joint distributions to characterize the dependencies due to the use of finite resolution phase shifters at the RIS. Numerical assessments confir","authors_text":"Damoon Shahbaztabar, Im\\`ene Trigui, Wei-Ping Zhu, Wessam Ajib","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2022-01-22T20:26:45Z","title":"Copula-Based Modeling of RIS-Assisted Communications: Outage Probability Analysis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.09124","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:b9362b6117c08a7209cab809ad7a09d79f6d46f69d7613099bcc5580cc3e3240","target":"record","created_at":"2026-07-05T03:50:40Z","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":"d74c41c51c664d17122ea68ac44fef937bf06651cf692ec1b3d0b0ae0df94ac6","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2022-01-22T20:26:45Z","title_canon_sha256":"9d35386f6b5873360f70c18ec31ce2c4836d8fbf7feb8c62150085dc53b375c5"},"schema_version":"1.0","source":{"id":"2201.09124","kind":"arxiv","version":1}},"canonical_sha256":"6f1edbb3ebbbd5a2a4ec2cd2cb5ddbecf9b5428044616a9001058dca282f0715","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6f1edbb3ebbbd5a2a4ec2cd2cb5ddbecf9b5428044616a9001058dca282f0715","first_computed_at":"2026-07-05T03:50:40.598136Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:50:40.598136Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zMIWyQMS8Mcs3flZx2nYsik1ttZikVbhiPB4frQrFg9u2vnnCJot3Aqdp6Uwict4ZgL7Q/XUji0fHh25RutAAw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:50:40.598543Z","signed_message":"canonical_sha256_bytes"},"source_id":"2201.09124","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b9362b6117c08a7209cab809ad7a09d79f6d46f69d7613099bcc5580cc3e3240","sha256:aa147bbe2a36a54b1d19ce583c678cbd0bd5a26bca7298e9bacb6e492fb37f73"],"state_sha256":"a953615445de4c0e5b3f1ebbdf104ce1dfdd941cea77665263714934cdb656fb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cGnRrq2dHpmazDYvWxV8/24pizOoWV6qqQTnxGNpjrQn1CAFs44NSEpOsiq6SBGq6H2sFfFxh65pcuHKj2/FAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T13:11:37.587204Z","bundle_sha256":"34c8936c796ff3eaf5aecbc3bdc0ae5d0466923da0cc45b1630f9015e28e643f"}}