{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:OLYEJGYTPBTARFWU2Q7YCTB23E","short_pith_number":"pith:OLYEJGYT","canonical_record":{"source":{"id":"2508.18728","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IT","submitted_at":"2025-08-26T06:54:56Z","cross_cats_sorted":["eess.SP","math.IT"],"title_canon_sha256":"75045dcc6156990e579a8a644d261b48c9b1cfdde3f4b1795350de0db51f5296","abstract_canon_sha256":"4db6ce52fc81da8d3debdac95972784199fa1ab9c66a32bd2e631b6ac7a7622d"},"schema_version":"1.0"},"canonical_sha256":"72f0449b1378660896d4d43f814c3ad93ee76a169ecc27ef888a1e8b68ae2253","source":{"kind":"arxiv","id":"2508.18728","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.18728","created_at":"2026-07-05T11:59:29Z"},{"alias_kind":"arxiv_version","alias_value":"2508.18728v1","created_at":"2026-07-05T11:59:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.18728","created_at":"2026-07-05T11:59:29Z"},{"alias_kind":"pith_short_12","alias_value":"OLYEJGYTPBTA","created_at":"2026-07-05T11:59:29Z"},{"alias_kind":"pith_short_16","alias_value":"OLYEJGYTPBTARFWU","created_at":"2026-07-05T11:59:29Z"},{"alias_kind":"pith_short_8","alias_value":"OLYEJGYT","created_at":"2026-07-05T11:59:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:OLYEJGYTPBTARFWU2Q7YCTB23E","target":"record","payload":{"canonical_record":{"source":{"id":"2508.18728","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IT","submitted_at":"2025-08-26T06:54:56Z","cross_cats_sorted":["eess.SP","math.IT"],"title_canon_sha256":"75045dcc6156990e579a8a644d261b48c9b1cfdde3f4b1795350de0db51f5296","abstract_canon_sha256":"4db6ce52fc81da8d3debdac95972784199fa1ab9c66a32bd2e631b6ac7a7622d"},"schema_version":"1.0"},"canonical_sha256":"72f0449b1378660896d4d43f814c3ad93ee76a169ecc27ef888a1e8b68ae2253","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:59:29.760938Z","signature_b64":"Y3vaQXJP/ONfT/tGLNSCUD5lpwgbESGdnmNPRXAm0o4OZaPtjaNc9CFx6q5X/ZMPsOB4rELC7C/8gwCjQGC/Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"72f0449b1378660896d4d43f814c3ad93ee76a169ecc27ef888a1e8b68ae2253","last_reissued_at":"2026-07-05T11:59:29.760429Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:59:29.760429Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2508.18728","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":"2026-07-05T11:59:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a8f4pB9e74UHiACUUHseO+JLfjt9W9BczvYyA7Ibx9hKReEE0QfpcwUQcKzOqCG/wOszh/20Tk2puM+8AF4xAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T19:12:49.265488Z"},"content_sha256":"e09d72e65ce25b274f3eb3828d786d0ab53986844b0098fcfb682329726c0b2c","schema_version":"1.0","event_id":"sha256:e09d72e65ce25b274f3eb3828d786d0ab53986844b0098fcfb682329726c0b2c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:OLYEJGYTPBTARFWU2Q7YCTB23E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Bistatic Target Detection by Exploiting Both Deterministic Pilots and Unknown Random Data Payloads","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["eess.SP","math.IT"],"primary_cat":"cs.IT","authors_text":"Fan Liu, Lei Xie, Shenghui Song, Shi Jin","submitted_at":"2025-08-26T06:54:56Z","abstract_excerpt":"Integrated sensing and communication (ISAC) plays a crucial role in 6G, to enable innovative applications such as drone surveillance, urban air mobility, and low-altitude logistics. However, the hybrid ISAC signal, which comprises deterministic pilot and random data payload components, poses challenges for target detection due to two reasons: 1) these two components cause coupled shifts in both the mean and variance of the received signal, and 2) the random data payloads are typically unknown to the sensing receiver in the bistatic setting. Unfortunately, these challenges could not be tackled "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.18728","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/2508.18728/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":"2026-07-05T11:59:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hvA9MD3jgrcDeCeCLNRaWho8HeZJFIBYI8XPajtNgoM2uCxF4djdkW+wwQXUtTDEaH7wQ6XgqMygRZhjMMu5Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T19:12:49.266038Z"},"content_sha256":"86b7ef32e3c6040bbd0d7ab9034702cf928fbba6a1eeb4f891519aba9365a1d1","schema_version":"1.0","event_id":"sha256:86b7ef32e3c6040bbd0d7ab9034702cf928fbba6a1eeb4f891519aba9365a1d1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OLYEJGYTPBTARFWU2Q7YCTB23E/bundle.json","state_url":"https://pith.science/pith/OLYEJGYTPBTARFWU2Q7YCTB23E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OLYEJGYTPBTARFWU2Q7YCTB23E/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":"2026-08-06T19:12:49Z","links":{"resolver":"https://pith.science/pith/OLYEJGYTPBTARFWU2Q7YCTB23E","bundle":"https://pith.science/pith/OLYEJGYTPBTARFWU2Q7YCTB23E/bundle.json","state":"https://pith.science/pith/OLYEJGYTPBTARFWU2Q7YCTB23E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OLYEJGYTPBTARFWU2Q7YCTB23E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:OLYEJGYTPBTARFWU2Q7YCTB23E","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":"4db6ce52fc81da8d3debdac95972784199fa1ab9c66a32bd2e631b6ac7a7622d","cross_cats_sorted":["eess.SP","math.IT"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IT","submitted_at":"2025-08-26T06:54:56Z","title_canon_sha256":"75045dcc6156990e579a8a644d261b48c9b1cfdde3f4b1795350de0db51f5296"},"schema_version":"1.0","source":{"id":"2508.18728","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.18728","created_at":"2026-07-05T11:59:29Z"},{"alias_kind":"arxiv_version","alias_value":"2508.18728v1","created_at":"2026-07-05T11:59:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.18728","created_at":"2026-07-05T11:59:29Z"},{"alias_kind":"pith_short_12","alias_value":"OLYEJGYTPBTA","created_at":"2026-07-05T11:59:29Z"},{"alias_kind":"pith_short_16","alias_value":"OLYEJGYTPBTARFWU","created_at":"2026-07-05T11:59:29Z"},{"alias_kind":"pith_short_8","alias_value":"OLYEJGYT","created_at":"2026-07-05T11:59:29Z"}],"graph_snapshots":[{"event_id":"sha256:86b7ef32e3c6040bbd0d7ab9034702cf928fbba6a1eeb4f891519aba9365a1d1","target":"graph","created_at":"2026-07-05T11:59:29Z","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/2508.18728/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Integrated sensing and communication (ISAC) plays a crucial role in 6G, to enable innovative applications such as drone surveillance, urban air mobility, and low-altitude logistics. However, the hybrid ISAC signal, which comprises deterministic pilot and random data payload components, poses challenges for target detection due to two reasons: 1) these two components cause coupled shifts in both the mean and variance of the received signal, and 2) the random data payloads are typically unknown to the sensing receiver in the bistatic setting. Unfortunately, these challenges could not be tackled ","authors_text":"Fan Liu, Lei Xie, Shenghui Song, Shi Jin","cross_cats":["eess.SP","math.IT"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IT","submitted_at":"2025-08-26T06:54:56Z","title":"Bistatic Target Detection by Exploiting Both Deterministic Pilots and Unknown Random Data Payloads"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.18728","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:e09d72e65ce25b274f3eb3828d786d0ab53986844b0098fcfb682329726c0b2c","target":"record","created_at":"2026-07-05T11:59:29Z","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":"4db6ce52fc81da8d3debdac95972784199fa1ab9c66a32bd2e631b6ac7a7622d","cross_cats_sorted":["eess.SP","math.IT"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IT","submitted_at":"2025-08-26T06:54:56Z","title_canon_sha256":"75045dcc6156990e579a8a644d261b48c9b1cfdde3f4b1795350de0db51f5296"},"schema_version":"1.0","source":{"id":"2508.18728","kind":"arxiv","version":1}},"canonical_sha256":"72f0449b1378660896d4d43f814c3ad93ee76a169ecc27ef888a1e8b68ae2253","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"72f0449b1378660896d4d43f814c3ad93ee76a169ecc27ef888a1e8b68ae2253","first_computed_at":"2026-07-05T11:59:29.760429Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:59:29.760429Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y3vaQXJP/ONfT/tGLNSCUD5lpwgbESGdnmNPRXAm0o4OZaPtjaNc9CFx6q5X/ZMPsOB4rELC7C/8gwCjQGC/Cw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:59:29.760938Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.18728","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e09d72e65ce25b274f3eb3828d786d0ab53986844b0098fcfb682329726c0b2c","sha256:86b7ef32e3c6040bbd0d7ab9034702cf928fbba6a1eeb4f891519aba9365a1d1"],"state_sha256":"4d021939ccdf9bb1443564e489b3a5b94816505f8c8a1e680016c0c52f651745"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h1BFNTkW062EPglY/NrDx93pDJxJUTJRdjgIIoluSvh5DEmgbxHUhCWt3zR/lInxQTOaEjs2JG0l9+nR6L4jDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T19:12:49.272712Z","bundle_sha256":"3ba6671283f42c4e458b80e5a681eeffd55db9d90063a7e574890c17ece71130"}}