{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:WUFEGSHEFXBGKL36Z5TCK4R6JY","short_pith_number":"pith:WUFEGSHE","canonical_record":{"source":{"id":"1804.11001","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2018-04-29T23:14:26Z","cross_cats_sorted":["cs.NI","math.IT"],"title_canon_sha256":"0b5aa8237a071101c892dc48db9c328dd2b38f2cb272d95c329ad032eb137f00","abstract_canon_sha256":"b4ec8a88bdea18b4304dbcd75c4ad6e0377dba8681e9822dcb7f30eeea2ebe12"},"schema_version":"1.0"},"canonical_sha256":"b50a4348e42dc2652f7ecf6625723e4e317c2d9ffddacda52ee775c7867d6014","source":{"kind":"arxiv","id":"1804.11001","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.11001","created_at":"2026-05-18T00:17:14Z"},{"alias_kind":"arxiv_version","alias_value":"1804.11001v1","created_at":"2026-05-18T00:17:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.11001","created_at":"2026-05-18T00:17:14Z"},{"alias_kind":"pith_short_12","alias_value":"WUFEGSHEFXBG","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_16","alias_value":"WUFEGSHEFXBGKL36","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_8","alias_value":"WUFEGSHE","created_at":"2026-05-18T12:33:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:WUFEGSHEFXBGKL36Z5TCK4R6JY","target":"record","payload":{"canonical_record":{"source":{"id":"1804.11001","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2018-04-29T23:14:26Z","cross_cats_sorted":["cs.NI","math.IT"],"title_canon_sha256":"0b5aa8237a071101c892dc48db9c328dd2b38f2cb272d95c329ad032eb137f00","abstract_canon_sha256":"b4ec8a88bdea18b4304dbcd75c4ad6e0377dba8681e9822dcb7f30eeea2ebe12"},"schema_version":"1.0"},"canonical_sha256":"b50a4348e42dc2652f7ecf6625723e4e317c2d9ffddacda52ee775c7867d6014","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:17:14.926480Z","signature_b64":"yYvP1eGcHnHxHC9t7SSSmm7OzML534AVgdU/MRvVfGGSXB1ht1nnoOxvX+1u4F1WlNGbUlFGmBkQWZpnWnLcAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b50a4348e42dc2652f7ecf6625723e4e317c2d9ffddacda52ee775c7867d6014","last_reissued_at":"2026-05-18T00:17:14.925925Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:17:14.925925Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.11001","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":"2026-05-18T00:17:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qC839GXWIEqGdeqbBD+7HwFIMQFhjmyXJONCdQwFFJ0fXZcAej+MW9RboBv16fYgsJ6uPhbzjJ2fMmUIy8s4Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T03:36:24.116042Z"},"content_sha256":"9ef1748c2600af7314fe96338d8ee82bb2555f7012d1e3f3f1c21525980d987a","schema_version":"1.0","event_id":"sha256:9ef1748c2600af7314fe96338d8ee82bb2555f7012d1e3f3f1c21525980d987a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:WUFEGSHEFXBGKL36Z5TCK4R6JY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Stochastic Model for UAV Networks Positioned Above Demand Hotspots in Urban Environments","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.NI","math.IT"],"primary_cat":"cs.IT","authors_text":"Boris Galkin, Jacek Kibi{\\l}da, Luiz A. DaSilva","submitted_at":"2018-04-29T23:14:26Z","abstract_excerpt":"Wireless access points on unmanned aerial vehicles (UAVs) are being considered for mobile service provisioning in commercial networks. To be able to efficiently use these devices in cellular networks it is necessary to first have a qualitative and quantitative understanding of how their design parameters reflect on the service quality experienced by the end user. In this paper we use stochastic geometry to characterise the behaviour of a network of UAV access points that intelligently position themselves above user hotspots, and we evaluate the performance of such a network against cases where"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.11001","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":""},"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":"2026-05-18T00:17:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9M3Pb0kh6evPP9qPv7Ljc1ePIn4CWheZZBumDhKLxVs+hJHfEu1miuZRulpW5cnN05TAYkes4ESAAcW5NbTTCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T03:36:24.116405Z"},"content_sha256":"8cee9ed0ed08dfa84e36c0574cc8a0ede1baa5a06d44e9d50a2ca4a56edb5e83","schema_version":"1.0","event_id":"sha256:8cee9ed0ed08dfa84e36c0574cc8a0ede1baa5a06d44e9d50a2ca4a56edb5e83"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WUFEGSHEFXBGKL36Z5TCK4R6JY/bundle.json","state_url":"https://pith.science/pith/WUFEGSHEFXBGKL36Z5TCK4R6JY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WUFEGSHEFXBGKL36Z5TCK4R6JY/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":"2026-06-21T03:36:24Z","links":{"resolver":"https://pith.science/pith/WUFEGSHEFXBGKL36Z5TCK4R6JY","bundle":"https://pith.science/pith/WUFEGSHEFXBGKL36Z5TCK4R6JY/bundle.json","state":"https://pith.science/pith/WUFEGSHEFXBGKL36Z5TCK4R6JY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WUFEGSHEFXBGKL36Z5TCK4R6JY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:WUFEGSHEFXBGKL36Z5TCK4R6JY","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":"b4ec8a88bdea18b4304dbcd75c4ad6e0377dba8681e9822dcb7f30eeea2ebe12","cross_cats_sorted":["cs.NI","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2018-04-29T23:14:26Z","title_canon_sha256":"0b5aa8237a071101c892dc48db9c328dd2b38f2cb272d95c329ad032eb137f00"},"schema_version":"1.0","source":{"id":"1804.11001","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.11001","created_at":"2026-05-18T00:17:14Z"},{"alias_kind":"arxiv_version","alias_value":"1804.11001v1","created_at":"2026-05-18T00:17:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.11001","created_at":"2026-05-18T00:17:14Z"},{"alias_kind":"pith_short_12","alias_value":"WUFEGSHEFXBG","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_16","alias_value":"WUFEGSHEFXBGKL36","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_8","alias_value":"WUFEGSHE","created_at":"2026-05-18T12:33:01Z"}],"graph_snapshots":[{"event_id":"sha256:8cee9ed0ed08dfa84e36c0574cc8a0ede1baa5a06d44e9d50a2ca4a56edb5e83","target":"graph","created_at":"2026-05-18T00:17:14Z","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":"Wireless access points on unmanned aerial vehicles (UAVs) are being considered for mobile service provisioning in commercial networks. To be able to efficiently use these devices in cellular networks it is necessary to first have a qualitative and quantitative understanding of how their design parameters reflect on the service quality experienced by the end user. In this paper we use stochastic geometry to characterise the behaviour of a network of UAV access points that intelligently position themselves above user hotspots, and we evaluate the performance of such a network against cases where","authors_text":"Boris Galkin, Jacek Kibi{\\l}da, Luiz A. DaSilva","cross_cats":["cs.NI","math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2018-04-29T23:14:26Z","title":"A Stochastic Model for UAV Networks Positioned Above Demand Hotspots in Urban Environments"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.11001","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":"sha256:9ef1748c2600af7314fe96338d8ee82bb2555f7012d1e3f3f1c21525980d987a","target":"record","created_at":"2026-05-18T00:17:14Z","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":"b4ec8a88bdea18b4304dbcd75c4ad6e0377dba8681e9822dcb7f30eeea2ebe12","cross_cats_sorted":["cs.NI","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2018-04-29T23:14:26Z","title_canon_sha256":"0b5aa8237a071101c892dc48db9c328dd2b38f2cb272d95c329ad032eb137f00"},"schema_version":"1.0","source":{"id":"1804.11001","kind":"arxiv","version":1}},"canonical_sha256":"b50a4348e42dc2652f7ecf6625723e4e317c2d9ffddacda52ee775c7867d6014","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b50a4348e42dc2652f7ecf6625723e4e317c2d9ffddacda52ee775c7867d6014","first_computed_at":"2026-05-18T00:17:14.925925Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:17:14.925925Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yYvP1eGcHnHxHC9t7SSSmm7OzML534AVgdU/MRvVfGGSXB1ht1nnoOxvX+1u4F1WlNGbUlFGmBkQWZpnWnLcAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:17:14.926480Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.11001","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9ef1748c2600af7314fe96338d8ee82bb2555f7012d1e3f3f1c21525980d987a","sha256:8cee9ed0ed08dfa84e36c0574cc8a0ede1baa5a06d44e9d50a2ca4a56edb5e83"],"state_sha256":"d2dde9f6fed91f27640d116af68002d627ae5567dcbbff1b8532f810d01556f6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bAoMerUqrm0DuvpJBSV02ZuII44/xoy3GRdms7mJSc5GVleYguP6FDKqOeuzxFTT7CS/g178o6Lkq7zGCk21Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-21T03:36:24.118377Z","bundle_sha256":"67e0f5ccbc4662b5123e4c454625e36a12701a4fc5c4dd4841746408a067c822"}}