{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:CLNMDEBDFDDNV4645VNUOHRVRP","short_pith_number":"pith:CLNMDEBD","canonical_record":{"source":{"id":"2104.09954","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2021-04-16T08:06:24Z","cross_cats_sorted":["eess.SP","math.IT"],"title_canon_sha256":"d72cbac2c71e877f6ec3f84ffaa9e08e90eededf9c444b01f2788b0a0f9e8583","abstract_canon_sha256":"fa3d1056e19649d2b7a2b77a933b5b3ca241f4fb0a2d00f06c7982dc5a2723c2"},"schema_version":"1.0"},"canonical_sha256":"12dac1902328c6daf3dced5b471e358bcde7f34ae244438571a1fd5384e30862","source":{"kind":"arxiv","id":"2104.09954","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.09954","created_at":"2026-07-05T02:34:13Z"},{"alias_kind":"arxiv_version","alias_value":"2104.09954v2","created_at":"2026-07-05T02:34:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.09954","created_at":"2026-07-05T02:34:13Z"},{"alias_kind":"pith_short_12","alias_value":"CLNMDEBDFDDN","created_at":"2026-07-05T02:34:13Z"},{"alias_kind":"pith_short_16","alias_value":"CLNMDEBDFDDNV464","created_at":"2026-07-05T02:34:13Z"},{"alias_kind":"pith_short_8","alias_value":"CLNMDEBD","created_at":"2026-07-05T02:34:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:CLNMDEBDFDDNV4645VNUOHRVRP","target":"record","payload":{"canonical_record":{"source":{"id":"2104.09954","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2021-04-16T08:06:24Z","cross_cats_sorted":["eess.SP","math.IT"],"title_canon_sha256":"d72cbac2c71e877f6ec3f84ffaa9e08e90eededf9c444b01f2788b0a0f9e8583","abstract_canon_sha256":"fa3d1056e19649d2b7a2b77a933b5b3ca241f4fb0a2d00f06c7982dc5a2723c2"},"schema_version":"1.0"},"canonical_sha256":"12dac1902328c6daf3dced5b471e358bcde7f34ae244438571a1fd5384e30862","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:34:13.212734Z","signature_b64":"2N084ukhMnarFRLLAaSSvVZQWv5N9kfRO8M5cViPIfOcKwQQmRDAD1meTwZWwiuPluMbb3dBY/FSaLZ+921PAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"12dac1902328c6daf3dced5b471e358bcde7f34ae244438571a1fd5384e30862","last_reissued_at":"2026-07-05T02:34:13.212227Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:34:13.212227Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2104.09954","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":"2026-07-05T02:34:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uAI+pQuFOlJQJPYiJqxMglOvfO/rqh3kCOooQ92p3dzbrvd4syHnsQ/rtozkgpPPqUKdRWU48TEcNuQr7pmOBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T20:57:06.435220Z"},"content_sha256":"10274fcadd3082d62aa0db797c4cfa55465e823321e1706864d2e145de67f375","schema_version":"1.0","event_id":"sha256:10274fcadd3082d62aa0db797c4cfa55465e823321e1706864d2e145de67f375"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:CLNMDEBDFDDNV4645VNUOHRVRP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Survey on Fundamental Limits of Integrated Sensing and Communication","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.SP","math.IT"],"primary_cat":"cs.IT","authors_text":"An Liu, Chenchen Liu, Danny Tan Kai Pin, Fabiola Colone, Jianmin Lu, Kevin Chetty, Min Li, Rui Du, Tony Xiao Han, Wenrui Li, Yuan Shen, Yubo Wan, Zhe Huang","submitted_at":"2021-04-16T08:06:24Z","abstract_excerpt":"The integrated sensing and communication (ISAC), in which the sensing and communication share the same frequency band and hardware, has emerged as a key technology in future wireless systems. Early works on ISAC have been focused on the design, analysis and optimization of practical ISAC technologies for various ISAC systems. While this line of works are necessary, it is equally important to study the fundamental limits of ISAC in order to understand the gap between the current state-of-the-art technologies and the performance limits, and provide useful insights and guidance for the developmen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.09954","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/2104.09954/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":"2026-07-05T02:34:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZkLPhhhzWIrXydxzdgBHV7bf8qG9r6UbQnUplJpube9RrIvDJW7+5kzDWIARRFx2+D79C/FSGhCfW8QBH2k7AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T20:57:06.435623Z"},"content_sha256":"ce0266bcd6fb4f6518c8c5752e01f91366236e58753c9a94e7566774292e83e5","schema_version":"1.0","event_id":"sha256:ce0266bcd6fb4f6518c8c5752e01f91366236e58753c9a94e7566774292e83e5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CLNMDEBDFDDNV4645VNUOHRVRP/bundle.json","state_url":"https://pith.science/pith/CLNMDEBDFDDNV4645VNUOHRVRP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CLNMDEBDFDDNV4645VNUOHRVRP/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":"2026-07-06T20:57:06Z","links":{"resolver":"https://pith.science/pith/CLNMDEBDFDDNV4645VNUOHRVRP","bundle":"https://pith.science/pith/CLNMDEBDFDDNV4645VNUOHRVRP/bundle.json","state":"https://pith.science/pith/CLNMDEBDFDDNV4645VNUOHRVRP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CLNMDEBDFDDNV4645VNUOHRVRP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:CLNMDEBDFDDNV4645VNUOHRVRP","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":"fa3d1056e19649d2b7a2b77a933b5b3ca241f4fb0a2d00f06c7982dc5a2723c2","cross_cats_sorted":["eess.SP","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2021-04-16T08:06:24Z","title_canon_sha256":"d72cbac2c71e877f6ec3f84ffaa9e08e90eededf9c444b01f2788b0a0f9e8583"},"schema_version":"1.0","source":{"id":"2104.09954","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.09954","created_at":"2026-07-05T02:34:13Z"},{"alias_kind":"arxiv_version","alias_value":"2104.09954v2","created_at":"2026-07-05T02:34:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.09954","created_at":"2026-07-05T02:34:13Z"},{"alias_kind":"pith_short_12","alias_value":"CLNMDEBDFDDN","created_at":"2026-07-05T02:34:13Z"},{"alias_kind":"pith_short_16","alias_value":"CLNMDEBDFDDNV464","created_at":"2026-07-05T02:34:13Z"},{"alias_kind":"pith_short_8","alias_value":"CLNMDEBD","created_at":"2026-07-05T02:34:13Z"}],"graph_snapshots":[{"event_id":"sha256:ce0266bcd6fb4f6518c8c5752e01f91366236e58753c9a94e7566774292e83e5","target":"graph","created_at":"2026-07-05T02:34:13Z","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/2104.09954/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The integrated sensing and communication (ISAC), in which the sensing and communication share the same frequency band and hardware, has emerged as a key technology in future wireless systems. Early works on ISAC have been focused on the design, analysis and optimization of practical ISAC technologies for various ISAC systems. While this line of works are necessary, it is equally important to study the fundamental limits of ISAC in order to understand the gap between the current state-of-the-art technologies and the performance limits, and provide useful insights and guidance for the developmen","authors_text":"An Liu, Chenchen Liu, Danny Tan Kai Pin, Fabiola Colone, Jianmin Lu, Kevin Chetty, Min Li, Rui Du, Tony Xiao Han, Wenrui Li, Yuan Shen, Yubo Wan, Zhe Huang","cross_cats":["eess.SP","math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2021-04-16T08:06:24Z","title":"A Survey on Fundamental Limits of Integrated Sensing and Communication"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.09954","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":"sha256:10274fcadd3082d62aa0db797c4cfa55465e823321e1706864d2e145de67f375","target":"record","created_at":"2026-07-05T02:34:13Z","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":"fa3d1056e19649d2b7a2b77a933b5b3ca241f4fb0a2d00f06c7982dc5a2723c2","cross_cats_sorted":["eess.SP","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2021-04-16T08:06:24Z","title_canon_sha256":"d72cbac2c71e877f6ec3f84ffaa9e08e90eededf9c444b01f2788b0a0f9e8583"},"schema_version":"1.0","source":{"id":"2104.09954","kind":"arxiv","version":2}},"canonical_sha256":"12dac1902328c6daf3dced5b471e358bcde7f34ae244438571a1fd5384e30862","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"12dac1902328c6daf3dced5b471e358bcde7f34ae244438571a1fd5384e30862","first_computed_at":"2026-07-05T02:34:13.212227Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:34:13.212227Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2N084ukhMnarFRLLAaSSvVZQWv5N9kfRO8M5cViPIfOcKwQQmRDAD1meTwZWwiuPluMbb3dBY/FSaLZ+921PAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:34:13.212734Z","signed_message":"canonical_sha256_bytes"},"source_id":"2104.09954","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:10274fcadd3082d62aa0db797c4cfa55465e823321e1706864d2e145de67f375","sha256:ce0266bcd6fb4f6518c8c5752e01f91366236e58753c9a94e7566774292e83e5"],"state_sha256":"5ac9e6acb11b32afa118a886c08c4d95e2263d143c4014a84b2fea0de17a0602"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZxJriLdWRYiRcYvL+rxoohHsW7ohleEcz2S5oldMjAKhnJs+UsbVxRGP4FRc1YC2j4my8JL6dZ98z3aZrG4EAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T20:57:06.437651Z","bundle_sha256":"d4eaccd1f8e8fa7758e14ebca8f2a6e3615c2661e74a2c2260132cb9618e0779"}}