{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:QL7MZQMUHNIACR5XNZGBTC7KYM","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":"9cbb6299e3421f852ae96bd69e213db6159df32e4bc78767c9cd51c10cf7cdfb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2019-02-11T18:25:10Z","title_canon_sha256":"771684c88c6f9f8006f1635ecc3151118196d699b27b6811bc3fdd32bc998fe9"},"schema_version":"1.0","source":{"id":"1902.04035","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.04035","created_at":"2026-05-17T23:53:57Z"},{"alias_kind":"arxiv_version","alias_value":"1902.04035v2","created_at":"2026-05-17T23:53:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.04035","created_at":"2026-05-17T23:53:57Z"},{"alias_kind":"pith_short_12","alias_value":"QL7MZQMUHNIA","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"QL7MZQMUHNIACR5X","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"QL7MZQMU","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:618974b58072d743cb78b2845e32425acb3be2ff9afe05720b25a254a2885901","target":"graph","created_at":"2026-05-17T23:53:57Z","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"},"paper":{"abstract_excerpt":"The number of daily small Unmanned Aircraft Systems (sUAS) operations in uncontrolled low altitude airspace is expected to reach into the millions. UAS Traffic Management (UTM) is an emerging concept aiming at the safe and efficient management of such very dense traffic, but few studies are addressing the policies to accommodate such demand and the required ground infrastructure in suburban or urban environments. Searching for the optimal air traffic management policy is a combinatorial optimization problem with intractable complexity when the number of sUAS and the constraints increases. As t","authors_text":"Carlos Caicedo, Chen Luo, Franco Basti, Jin Zhao, M. Cenk Gursoy, Qinru Qiu, Ziyi Zhao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2019-02-11T18:25:10Z","title":"A Simulation Framework for Fast Design Space Exploration of Unmanned Air System Traffic Management Policies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.04035","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":"sha256:738456fe58f79efdf18a95499dadab1dd7f2a3084a3fbdf2f9f6a66c8d7d502a","target":"record","created_at":"2026-05-17T23:53:57Z","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":"9cbb6299e3421f852ae96bd69e213db6159df32e4bc78767c9cd51c10cf7cdfb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2019-02-11T18:25:10Z","title_canon_sha256":"771684c88c6f9f8006f1635ecc3151118196d699b27b6811bc3fdd32bc998fe9"},"schema_version":"1.0","source":{"id":"1902.04035","kind":"arxiv","version":2}},"canonical_sha256":"82feccc1943b500147b76e4c198beac308bebcf325af7b078748be668b3eccae","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"82feccc1943b500147b76e4c198beac308bebcf325af7b078748be668b3eccae","first_computed_at":"2026-05-17T23:53:57.032231Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:53:57.032231Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mbeRuXGgINFcfuMdxqN/2YZGGIXtB0wd+/2fXy7rAxRYx3XlcAbGLjbwX0Fry90E6FchYNzR8HSVbZ3PekikBQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:53:57.032925Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.04035","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:738456fe58f79efdf18a95499dadab1dd7f2a3084a3fbdf2f9f6a66c8d7d502a","sha256:618974b58072d743cb78b2845e32425acb3be2ff9afe05720b25a254a2885901"],"state_sha256":"f8262b9f1697e31eb9aa1e945b345d124466b35211f709050b04b2cc6eaca775"}