{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:5EMFFRZYNJS7IK7HNP6B4BF3FM","short_pith_number":"pith:5EMFFRZY","canonical_record":{"source":{"id":"2509.12698","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2025-09-16T05:46:33Z","cross_cats_sorted":["cs.ET","cs.IT","cs.SY","eess.SY","math.IT"],"title_canon_sha256":"1abc7ba93624d754f6981c99efb8cfad00263079ad1e69ff84f0bcf6ed9c9363","abstract_canon_sha256":"2789c82cca088142842015249c5da89500d51e81177b545743d28aec063d0d42"},"schema_version":"1.0"},"canonical_sha256":"e91852c7386a65f42be76bfc1e04bb2b367b3c547367e95431777297e5c18875","source":{"kind":"arxiv","id":"2509.12698","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2509.12698","created_at":"2026-07-01T01:17:41Z"},{"alias_kind":"arxiv_version","alias_value":"2509.12698v2","created_at":"2026-07-01T01:17:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.12698","created_at":"2026-07-01T01:17:41Z"},{"alias_kind":"pith_short_12","alias_value":"5EMFFRZYNJS7","created_at":"2026-07-01T01:17:41Z"},{"alias_kind":"pith_short_16","alias_value":"5EMFFRZYNJS7IK7H","created_at":"2026-07-01T01:17:41Z"},{"alias_kind":"pith_short_8","alias_value":"5EMFFRZY","created_at":"2026-07-01T01:17:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:5EMFFRZYNJS7IK7HNP6B4BF3FM","target":"record","payload":{"canonical_record":{"source":{"id":"2509.12698","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2025-09-16T05:46:33Z","cross_cats_sorted":["cs.ET","cs.IT","cs.SY","eess.SY","math.IT"],"title_canon_sha256":"1abc7ba93624d754f6981c99efb8cfad00263079ad1e69ff84f0bcf6ed9c9363","abstract_canon_sha256":"2789c82cca088142842015249c5da89500d51e81177b545743d28aec063d0d42"},"schema_version":"1.0"},"canonical_sha256":"e91852c7386a65f42be76bfc1e04bb2b367b3c547367e95431777297e5c18875","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-01T01:17:41.476206Z","signature_b64":"A88EE90KX50DRhQ2C5QN8MiQg01iuGXiM9NsmWV45JFIq5zwp1Ajp2KgJVlGncn4CFV/cyb47XhUKEoJn5DnBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e91852c7386a65f42be76bfc1e04bb2b367b3c547367e95431777297e5c18875","last_reissued_at":"2026-07-01T01:17:41.475594Z","signature_status":"signed_v1","first_computed_at":"2026-07-01T01:17:41.475594Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2509.12698","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":"2026-07-01T01:17:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"phJ6NI53egNiPrc5qMXCMfEg5IShQBRWRtZbuRikE4XwCpRj4ol2Dp+s83KX5MiNbUK71WGUpl4Br94mE+5BBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T15:50:43.609722Z"},"content_sha256":"517f555e7352edc94103c142cd4707ff5a85d57656703f183800b247d343349b","schema_version":"1.0","event_id":"sha256:517f555e7352edc94103c142cd4707ff5a85d57656703f183800b247d343349b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:5EMFFRZYNJS7IK7HNP6B4BF3FM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Low-Altitude UAV Tracking via Sensing-Assisted Predictive Beamforming","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.ET","cs.IT","cs.SY","eess.SY","math.IT"],"primary_cat":"eess.SP","authors_text":"Derrick Wing Kwan Ng, Hongxun Hui, Qingqing Wu, Wen Chen, Yifan Jiang","submitted_at":"2025-09-16T05:46:33Z","abstract_excerpt":"Sensing-assisted predictive beamforming shows significant promise for enhancing various future unmanned aerial vehicle (UAV) applications in integrated sensing and communication (ISAC) systems. However, the impact of such beamforming technique on the communication reliability was largely unexplored and challenging to characterize. To fill this research gap and tackle this issue, this paper proposes a cellular-connected UAV tracking scheme leveraging extended Kalman filtering (EKF), where the predicted UAV trajectory, sensing duration ratio, and target constant received signal-to-noise ratio (S"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.12698","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/2509.12698/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":"2026-07-01T01:17:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sRMXiCGJEw/uG4gMAURJ4QtAzFDhgYJifcXvhomiWf4Ty4NCLTmTIA7QgOZ5/GR9VNVvbsFZFeI8hwRhQCIOAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T15:50:43.610110Z"},"content_sha256":"8bbc7b3003d8d5e22003566c405e0962a19f350aa2f8221d66c2fabe5f77bfa4","schema_version":"1.0","event_id":"sha256:8bbc7b3003d8d5e22003566c405e0962a19f350aa2f8221d66c2fabe5f77bfa4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5EMFFRZYNJS7IK7HNP6B4BF3FM/bundle.json","state_url":"https://pith.science/pith/5EMFFRZYNJS7IK7HNP6B4BF3FM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5EMFFRZYNJS7IK7HNP6B4BF3FM/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":"2026-07-04T15:50:43Z","links":{"resolver":"https://pith.science/pith/5EMFFRZYNJS7IK7HNP6B4BF3FM","bundle":"https://pith.science/pith/5EMFFRZYNJS7IK7HNP6B4BF3FM/bundle.json","state":"https://pith.science/pith/5EMFFRZYNJS7IK7HNP6B4BF3FM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5EMFFRZYNJS7IK7HNP6B4BF3FM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:5EMFFRZYNJS7IK7HNP6B4BF3FM","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":"2789c82cca088142842015249c5da89500d51e81177b545743d28aec063d0d42","cross_cats_sorted":["cs.ET","cs.IT","cs.SY","eess.SY","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2025-09-16T05:46:33Z","title_canon_sha256":"1abc7ba93624d754f6981c99efb8cfad00263079ad1e69ff84f0bcf6ed9c9363"},"schema_version":"1.0","source":{"id":"2509.12698","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2509.12698","created_at":"2026-07-01T01:17:41Z"},{"alias_kind":"arxiv_version","alias_value":"2509.12698v2","created_at":"2026-07-01T01:17:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.12698","created_at":"2026-07-01T01:17:41Z"},{"alias_kind":"pith_short_12","alias_value":"5EMFFRZYNJS7","created_at":"2026-07-01T01:17:41Z"},{"alias_kind":"pith_short_16","alias_value":"5EMFFRZYNJS7IK7H","created_at":"2026-07-01T01:17:41Z"},{"alias_kind":"pith_short_8","alias_value":"5EMFFRZY","created_at":"2026-07-01T01:17:41Z"}],"graph_snapshots":[{"event_id":"sha256:8bbc7b3003d8d5e22003566c405e0962a19f350aa2f8221d66c2fabe5f77bfa4","target":"graph","created_at":"2026-07-01T01:17:41Z","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/2509.12698/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Sensing-assisted predictive beamforming shows significant promise for enhancing various future unmanned aerial vehicle (UAV) applications in integrated sensing and communication (ISAC) systems. However, the impact of such beamforming technique on the communication reliability was largely unexplored and challenging to characterize. To fill this research gap and tackle this issue, this paper proposes a cellular-connected UAV tracking scheme leveraging extended Kalman filtering (EKF), where the predicted UAV trajectory, sensing duration ratio, and target constant received signal-to-noise ratio (S","authors_text":"Derrick Wing Kwan Ng, Hongxun Hui, Qingqing Wu, Wen Chen, Yifan Jiang","cross_cats":["cs.ET","cs.IT","cs.SY","eess.SY","math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2025-09-16T05:46:33Z","title":"Low-Altitude UAV Tracking via Sensing-Assisted Predictive Beamforming"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.12698","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":"sha256:517f555e7352edc94103c142cd4707ff5a85d57656703f183800b247d343349b","target":"record","created_at":"2026-07-01T01:17:41Z","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":"2789c82cca088142842015249c5da89500d51e81177b545743d28aec063d0d42","cross_cats_sorted":["cs.ET","cs.IT","cs.SY","eess.SY","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2025-09-16T05:46:33Z","title_canon_sha256":"1abc7ba93624d754f6981c99efb8cfad00263079ad1e69ff84f0bcf6ed9c9363"},"schema_version":"1.0","source":{"id":"2509.12698","kind":"arxiv","version":2}},"canonical_sha256":"e91852c7386a65f42be76bfc1e04bb2b367b3c547367e95431777297e5c18875","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e91852c7386a65f42be76bfc1e04bb2b367b3c547367e95431777297e5c18875","first_computed_at":"2026-07-01T01:17:41.475594Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-01T01:17:41.475594Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"A88EE90KX50DRhQ2C5QN8MiQg01iuGXiM9NsmWV45JFIq5zwp1Ajp2KgJVlGncn4CFV/cyb47XhUKEoJn5DnBw==","signature_status":"signed_v1","signed_at":"2026-07-01T01:17:41.476206Z","signed_message":"canonical_sha256_bytes"},"source_id":"2509.12698","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:517f555e7352edc94103c142cd4707ff5a85d57656703f183800b247d343349b","sha256:8bbc7b3003d8d5e22003566c405e0962a19f350aa2f8221d66c2fabe5f77bfa4"],"state_sha256":"01222b6bbe1212ed30ab7b9b2ee131f4f43df6527dbfa00c77aed9e200f3f376"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b1XzoPW66/TcFMWP+9IREwNFtZAxCL9c9Ay42sz7vPBwYUgrbnin2vE1Dq+S4sKvvfIz92Pu9nOJvovF8XM+Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-04T15:50:43.612416Z","bundle_sha256":"375292a0d5c9b9c10505de3f4dd866dec6ad4bd6744db110f7545e36de79e428"}}