{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:7YLGA5EHS3VYCAISZ7CD2CW2ZF","short_pith_number":"pith:7YLGA5EH","schema_version":"1.0","canonical_sha256":"fe1660748796eb810112cfc43d0adac978a156dfd59dbc3c1993a4ecf51d8d74","source":{"kind":"arxiv","id":"2506.03400","version":2},"attestation_state":"computed","paper":{"title":"Occlusion-Aware Ground Target Tracking by a Dubins Vehicle using Visibility Volumes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.RO","cs.SY"],"primary_cat":"eess.SY","authors_text":"Artur Wolek, Collin Hague","submitted_at":"2025-06-03T21:16:53Z","abstract_excerpt":"This paper considers the problem of tracking a point of interest (POI) moving along a known trajectory on the ground with an uncrewed aerial vehicle (UAV) modeled as a Dubins vehicle using a line-of-sight (LOS) sensor through an urban environment that may occlude the POI. A visibility volume (VV) encodes a time-varying, three-dimensional representation of the sensing constraints for a particular POI position. A constant-altitude, translating, and radially time-varying circular standoff orbit is then inscribed within the dynamically changing VV centered at the POI position. The time-varying VV "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2506.03400","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2025-06-03T21:16:53Z","cross_cats_sorted":["cs.RO","cs.SY"],"title_canon_sha256":"d003f6ac7a7cbc38530a2d0a8db20f313720a3fb82cc23cd3ecff881465161da","abstract_canon_sha256":"f5e891155a8b047b4c40a0f6a50a46150d909f645a55436b7bb9b1415f37450b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:19:28.236007Z","signature_b64":"Wm8thn76BZYsPnugsoUD947sWTAlwY5SLR8514R3RxvPXGNd9uWL1IAF385BH1f3CDFDh8+ShWLLi8tNf8SFBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fe1660748796eb810112cfc43d0adac978a156dfd59dbc3c1993a4ecf51d8d74","last_reissued_at":"2026-07-05T11:19:28.235544Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:19:28.235544Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Occlusion-Aware Ground Target Tracking by a Dubins Vehicle using Visibility Volumes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.RO","cs.SY"],"primary_cat":"eess.SY","authors_text":"Artur Wolek, Collin Hague","submitted_at":"2025-06-03T21:16:53Z","abstract_excerpt":"This paper considers the problem of tracking a point of interest (POI) moving along a known trajectory on the ground with an uncrewed aerial vehicle (UAV) modeled as a Dubins vehicle using a line-of-sight (LOS) sensor through an urban environment that may occlude the POI. A visibility volume (VV) encodes a time-varying, three-dimensional representation of the sensing constraints for a particular POI position. A constant-altitude, translating, and radially time-varying circular standoff orbit is then inscribed within the dynamically changing VV centered at the POI position. The time-varying VV "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.03400","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/2506.03400/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2506.03400","created_at":"2026-07-05T11:19:28.235601+00:00"},{"alias_kind":"arxiv_version","alias_value":"2506.03400v2","created_at":"2026-07-05T11:19:28.235601+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.03400","created_at":"2026-07-05T11:19:28.235601+00:00"},{"alias_kind":"pith_short_12","alias_value":"7YLGA5EHS3VY","created_at":"2026-07-05T11:19:28.235601+00:00"},{"alias_kind":"pith_short_16","alias_value":"7YLGA5EHS3VYCAIS","created_at":"2026-07-05T11:19:28.235601+00:00"},{"alias_kind":"pith_short_8","alias_value":"7YLGA5EH","created_at":"2026-07-05T11:19:28.235601+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/7YLGA5EHS3VYCAISZ7CD2CW2ZF","json":"https://pith.science/pith/7YLGA5EHS3VYCAISZ7CD2CW2ZF.json","graph_json":"https://pith.science/api/pith-number/7YLGA5EHS3VYCAISZ7CD2CW2ZF/graph.json","events_json":"https://pith.science/api/pith-number/7YLGA5EHS3VYCAISZ7CD2CW2ZF/events.json","paper":"https://pith.science/paper/7YLGA5EH"},"agent_actions":{"view_html":"https://pith.science/pith/7YLGA5EHS3VYCAISZ7CD2CW2ZF","download_json":"https://pith.science/pith/7YLGA5EHS3VYCAISZ7CD2CW2ZF.json","view_paper":"https://pith.science/paper/7YLGA5EH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2506.03400&json=true","fetch_graph":"https://pith.science/api/pith-number/7YLGA5EHS3VYCAISZ7CD2CW2ZF/graph.json","fetch_events":"https://pith.science/api/pith-number/7YLGA5EHS3VYCAISZ7CD2CW2ZF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7YLGA5EHS3VYCAISZ7CD2CW2ZF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7YLGA5EHS3VYCAISZ7CD2CW2ZF/action/storage_attestation","attest_author":"https://pith.science/pith/7YLGA5EHS3VYCAISZ7CD2CW2ZF/action/author_attestation","sign_citation":"https://pith.science/pith/7YLGA5EHS3VYCAISZ7CD2CW2ZF/action/citation_signature","submit_replication":"https://pith.science/pith/7YLGA5EHS3VYCAISZ7CD2CW2ZF/action/replication_record"}},"created_at":"2026-07-05T11:19:28.235601+00:00","updated_at":"2026-07-05T11:19:28.235601+00:00"}