{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:BJ5CR2I6FXVEDTW6HY726EZQEU","short_pith_number":"pith:BJ5CR2I6","canonical_record":{"source":{"id":"2211.00434","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SP","submitted_at":"2022-11-01T12:55:56Z","cross_cats_sorted":[],"title_canon_sha256":"df4c7c5b33463dbf3156b7ba9b9475383913bf3d8bd00e5edc5819c61695ef6f","abstract_canon_sha256":"ff2fa5846a1ca0e0136a76ddf0605ba949412317328be45eac35a76a473ce3ae"},"schema_version":"1.0"},"canonical_sha256":"0a7a28e91e2dea41cede3e3faf1330252f7be3b3d4408ee5db01b3b656f457dd","source":{"kind":"arxiv","id":"2211.00434","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2211.00434","created_at":"2026-07-05T05:12:32Z"},{"alias_kind":"arxiv_version","alias_value":"2211.00434v2","created_at":"2026-07-05T05:12:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.00434","created_at":"2026-07-05T05:12:32Z"},{"alias_kind":"pith_short_12","alias_value":"BJ5CR2I6FXVE","created_at":"2026-07-05T05:12:32Z"},{"alias_kind":"pith_short_16","alias_value":"BJ5CR2I6FXVEDTW6","created_at":"2026-07-05T05:12:32Z"},{"alias_kind":"pith_short_8","alias_value":"BJ5CR2I6","created_at":"2026-07-05T05:12:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:BJ5CR2I6FXVEDTW6HY726EZQEU","target":"record","payload":{"canonical_record":{"source":{"id":"2211.00434","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SP","submitted_at":"2022-11-01T12:55:56Z","cross_cats_sorted":[],"title_canon_sha256":"df4c7c5b33463dbf3156b7ba9b9475383913bf3d8bd00e5edc5819c61695ef6f","abstract_canon_sha256":"ff2fa5846a1ca0e0136a76ddf0605ba949412317328be45eac35a76a473ce3ae"},"schema_version":"1.0"},"canonical_sha256":"0a7a28e91e2dea41cede3e3faf1330252f7be3b3d4408ee5db01b3b656f457dd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:12:32.521291Z","signature_b64":"O0nU4Y0BPZBw2JIdMM8ftD7zDFO0SG8HNoIMCVFODIZx8o08Z0H/U57PvyM9FiJQyRSbuPTvHenewTvUMubAAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0a7a28e91e2dea41cede3e3faf1330252f7be3b3d4408ee5db01b3b656f457dd","last_reissued_at":"2026-07-05T05:12:32.520875Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:12:32.520875Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2211.00434","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":"2026-07-05T05:12:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TyaHh27/4JQ1i5/V2J5uQaec6cbfGcOrnYZqNTuCA/YcIquXMZRdum2ZgqnidFYxeNUY6rPWp9/7wrGQXr8sAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T01:06:39.408886Z"},"content_sha256":"3c5292fe011725431a7a9c02f881624564b9822b51cc3a73a00d0f47a31f14ee","schema_version":"1.0","event_id":"sha256:3c5292fe011725431a7a9c02f881624564b9822b51cc3a73a00d0f47a31f14ee"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:BJ5CR2I6FXVEDTW6HY726EZQEU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the Performance Gain of Integrated Sensing and Communications: A Subspace Correlation Perspective","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Fan Liu, Shihang Lu, Xiao Meng, Yifeng Xiong, Zhen Du","submitted_at":"2022-11-01T12:55:56Z","abstract_excerpt":"In this paper, we shed light on the performance gain of integrated sensing and communications (ISAC) from the perspective of channel correlations between radar sensing and communication (S&C), namely ISAC subspace correlation. To begin with, we consider a multi-input multi-output (MIMO) ISAC system and reveal that the optimal ISAC signal is in the subspace spanned by the transmitted steering vectors of the sensing channel and the right singular matrix of the communication channel. By leveraging this result, we study a basic ISAC scenario with a single target and a single-antenna communication "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.00434","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/2211.00434/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":"2026-07-05T05:12:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1q7Co2nbf5Wr/Vr6ATraBmjjG/HEomjahJO3CltqtUsb23x7o5EueGB9bAB6u5eECQX6i7UWRq3wcf2xlPWECg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T01:06:39.409421Z"},"content_sha256":"36c0c87830b7ecc7a970b6f0354a97b2c2a380f663b7e58400c524146bd97809","schema_version":"1.0","event_id":"sha256:36c0c87830b7ecc7a970b6f0354a97b2c2a380f663b7e58400c524146bd97809"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BJ5CR2I6FXVEDTW6HY726EZQEU/bundle.json","state_url":"https://pith.science/pith/BJ5CR2I6FXVEDTW6HY726EZQEU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BJ5CR2I6FXVEDTW6HY726EZQEU/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":"2026-08-22T01:06:39Z","links":{"resolver":"https://pith.science/pith/BJ5CR2I6FXVEDTW6HY726EZQEU","bundle":"https://pith.science/pith/BJ5CR2I6FXVEDTW6HY726EZQEU/bundle.json","state":"https://pith.science/pith/BJ5CR2I6FXVEDTW6HY726EZQEU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BJ5CR2I6FXVEDTW6HY726EZQEU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:BJ5CR2I6FXVEDTW6HY726EZQEU","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":"ff2fa5846a1ca0e0136a76ddf0605ba949412317328be45eac35a76a473ce3ae","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SP","submitted_at":"2022-11-01T12:55:56Z","title_canon_sha256":"df4c7c5b33463dbf3156b7ba9b9475383913bf3d8bd00e5edc5819c61695ef6f"},"schema_version":"1.0","source":{"id":"2211.00434","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2211.00434","created_at":"2026-07-05T05:12:32Z"},{"alias_kind":"arxiv_version","alias_value":"2211.00434v2","created_at":"2026-07-05T05:12:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.00434","created_at":"2026-07-05T05:12:32Z"},{"alias_kind":"pith_short_12","alias_value":"BJ5CR2I6FXVE","created_at":"2026-07-05T05:12:32Z"},{"alias_kind":"pith_short_16","alias_value":"BJ5CR2I6FXVEDTW6","created_at":"2026-07-05T05:12:32Z"},{"alias_kind":"pith_short_8","alias_value":"BJ5CR2I6","created_at":"2026-07-05T05:12:32Z"}],"graph_snapshots":[{"event_id":"sha256:36c0c87830b7ecc7a970b6f0354a97b2c2a380f663b7e58400c524146bd97809","target":"graph","created_at":"2026-07-05T05:12:32Z","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/2211.00434/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, we shed light on the performance gain of integrated sensing and communications (ISAC) from the perspective of channel correlations between radar sensing and communication (S&C), namely ISAC subspace correlation. To begin with, we consider a multi-input multi-output (MIMO) ISAC system and reveal that the optimal ISAC signal is in the subspace spanned by the transmitted steering vectors of the sensing channel and the right singular matrix of the communication channel. By leveraging this result, we study a basic ISAC scenario with a single target and a single-antenna communication ","authors_text":"Fan Liu, Shihang Lu, Xiao Meng, Yifeng Xiong, Zhen Du","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SP","submitted_at":"2022-11-01T12:55:56Z","title":"On the Performance Gain of Integrated Sensing and Communications: A Subspace Correlation Perspective"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.00434","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":"sha256:3c5292fe011725431a7a9c02f881624564b9822b51cc3a73a00d0f47a31f14ee","target":"record","created_at":"2026-07-05T05:12:32Z","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":"ff2fa5846a1ca0e0136a76ddf0605ba949412317328be45eac35a76a473ce3ae","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SP","submitted_at":"2022-11-01T12:55:56Z","title_canon_sha256":"df4c7c5b33463dbf3156b7ba9b9475383913bf3d8bd00e5edc5819c61695ef6f"},"schema_version":"1.0","source":{"id":"2211.00434","kind":"arxiv","version":2}},"canonical_sha256":"0a7a28e91e2dea41cede3e3faf1330252f7be3b3d4408ee5db01b3b656f457dd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0a7a28e91e2dea41cede3e3faf1330252f7be3b3d4408ee5db01b3b656f457dd","first_computed_at":"2026-07-05T05:12:32.520875Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:12:32.520875Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"O0nU4Y0BPZBw2JIdMM8ftD7zDFO0SG8HNoIMCVFODIZx8o08Z0H/U57PvyM9FiJQyRSbuPTvHenewTvUMubAAw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:12:32.521291Z","signed_message":"canonical_sha256_bytes"},"source_id":"2211.00434","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3c5292fe011725431a7a9c02f881624564b9822b51cc3a73a00d0f47a31f14ee","sha256:36c0c87830b7ecc7a970b6f0354a97b2c2a380f663b7e58400c524146bd97809"],"state_sha256":"9de9a703e992dc3fdd1230583cf6b345ddc78e4e593ca189282363fc85d51b03"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SM365YANs4HvXU0gYeINbi3aDEjXzDotELqGe7gUmOOgQ83f+ddzsc31keAcZSNjmDH5X3zLnu+3rz+hyMJHBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T01:06:39.414161Z","bundle_sha256":"7aa551a877602125456868e2c739ea20aa7179de0b46a6273f4f62ad38e5bb27"}}