{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:ZX2SRNNSUJEAIGQ2GI5IG2FHP6","short_pith_number":"pith:ZX2SRNNS","canonical_record":{"source":{"id":"1704.01244","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-04-05T02:16:49Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"c5394da7a3fe6f279f66217d280bbbd2b29c1b8736e55cb8e4ebba3239699d51","abstract_canon_sha256":"0f7ed0d917f8ff0447bd4b6ae1fe88d47b89752c9d83c15d3d4c97e0083ced04"},"schema_version":"1.0"},"canonical_sha256":"cdf528b5b2a248041a1a323a8368a77fa1f9061beba01bb0737607bef99f5d36","source":{"kind":"arxiv","id":"1704.01244","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.01244","created_at":"2026-05-18T00:46:58Z"},{"alias_kind":"arxiv_version","alias_value":"1704.01244v1","created_at":"2026-05-18T00:46:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.01244","created_at":"2026-05-18T00:46:58Z"},{"alias_kind":"pith_short_12","alias_value":"ZX2SRNNSUJEA","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZX2SRNNSUJEAIGQ2","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZX2SRNNS","created_at":"2026-05-18T12:31:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:ZX2SRNNSUJEAIGQ2GI5IG2FHP6","target":"record","payload":{"canonical_record":{"source":{"id":"1704.01244","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-04-05T02:16:49Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"c5394da7a3fe6f279f66217d280bbbd2b29c1b8736e55cb8e4ebba3239699d51","abstract_canon_sha256":"0f7ed0d917f8ff0447bd4b6ae1fe88d47b89752c9d83c15d3d4c97e0083ced04"},"schema_version":"1.0"},"canonical_sha256":"cdf528b5b2a248041a1a323a8368a77fa1f9061beba01bb0737607bef99f5d36","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:46:58.710188Z","signature_b64":"/6R0KTROVp1JturQ0jvEDvkAyWY6aFKEZcjjXzJCbZEZTwfYSgQmMb/atjuMjNAc6G2hDSXI4ny61SQN8f+JAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cdf528b5b2a248041a1a323a8368a77fa1f9061beba01bb0737607bef99f5d36","last_reissued_at":"2026-05-18T00:46:58.709694Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:46:58.709694Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1704.01244","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":"2026-05-18T00:46:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ACSYhWMa/6kor3C14i3E5Raupwc9XowNXITPWYBd4PN/17LAhTG43KDp1o1ki6KFsH77BFT3skG0ZlKSVIoBBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T01:33:42.613970Z"},"content_sha256":"d7381735ef15f9cbf12ce529be87a9ef31f1b72352910243cff73625f446cc6d","schema_version":"1.0","event_id":"sha256:d7381735ef15f9cbf12ce529be87a9ef31f1b72352910243cff73625f446cc6d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:ZX2SRNNSUJEAIGQ2GI5IG2FHP6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamic Base Station Repositioning to Improve Spectral Efficiency of Drone Small Cells","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Azade Fotouhi, Mahbub Hassan, Ming Ding","submitted_at":"2017-04-05T02:16:49Z","abstract_excerpt":"With recent advancements in drone technology, researchers are now considering the possibility of deploying small cells served by base stations mounted on flying drones. A major advantage of such drone small cells is that the operators can quickly provide cellular services in areas of urgent demand without having to pre-install any infrastructure. Since the base station is attached to the drone, technically it is feasible for the base station to dynamic reposition itself in response to the changing locations of users for reducing the communication distance, decreasing the probability of signal "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.01244","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":"2026-05-18T00:46:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YAwXN0ccRJjhFeTy4LxhBXBvxlY8+jrJyuQV96KJUdIuhaT2nYj5gHguwJlRFijzQcTSCj8RUxv+UJPvMJNaBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T01:33:42.614335Z"},"content_sha256":"bbb7aab0b54c278163a1be605d62767e3127976841bc1f83cfb8cf70ed817194","schema_version":"1.0","event_id":"sha256:bbb7aab0b54c278163a1be605d62767e3127976841bc1f83cfb8cf70ed817194"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZX2SRNNSUJEAIGQ2GI5IG2FHP6/bundle.json","state_url":"https://pith.science/pith/ZX2SRNNSUJEAIGQ2GI5IG2FHP6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZX2SRNNSUJEAIGQ2GI5IG2FHP6/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":"2026-05-27T01:33:42Z","links":{"resolver":"https://pith.science/pith/ZX2SRNNSUJEAIGQ2GI5IG2FHP6","bundle":"https://pith.science/pith/ZX2SRNNSUJEAIGQ2GI5IG2FHP6/bundle.json","state":"https://pith.science/pith/ZX2SRNNSUJEAIGQ2GI5IG2FHP6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZX2SRNNSUJEAIGQ2GI5IG2FHP6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:ZX2SRNNSUJEAIGQ2GI5IG2FHP6","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":"0f7ed0d917f8ff0447bd4b6ae1fe88d47b89752c9d83c15d3d4c97e0083ced04","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-04-05T02:16:49Z","title_canon_sha256":"c5394da7a3fe6f279f66217d280bbbd2b29c1b8736e55cb8e4ebba3239699d51"},"schema_version":"1.0","source":{"id":"1704.01244","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.01244","created_at":"2026-05-18T00:46:58Z"},{"alias_kind":"arxiv_version","alias_value":"1704.01244v1","created_at":"2026-05-18T00:46:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.01244","created_at":"2026-05-18T00:46:58Z"},{"alias_kind":"pith_short_12","alias_value":"ZX2SRNNSUJEA","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZX2SRNNSUJEAIGQ2","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZX2SRNNS","created_at":"2026-05-18T12:31:59Z"}],"graph_snapshots":[{"event_id":"sha256:bbb7aab0b54c278163a1be605d62767e3127976841bc1f83cfb8cf70ed817194","target":"graph","created_at":"2026-05-18T00:46:58Z","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":"With recent advancements in drone technology, researchers are now considering the possibility of deploying small cells served by base stations mounted on flying drones. A major advantage of such drone small cells is that the operators can quickly provide cellular services in areas of urgent demand without having to pre-install any infrastructure. Since the base station is attached to the drone, technically it is feasible for the base station to dynamic reposition itself in response to the changing locations of users for reducing the communication distance, decreasing the probability of signal ","authors_text":"Azade Fotouhi, Mahbub Hassan, Ming Ding","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-04-05T02:16:49Z","title":"Dynamic Base Station Repositioning to Improve Spectral Efficiency of Drone Small Cells"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.01244","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:d7381735ef15f9cbf12ce529be87a9ef31f1b72352910243cff73625f446cc6d","target":"record","created_at":"2026-05-18T00:46:58Z","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":"0f7ed0d917f8ff0447bd4b6ae1fe88d47b89752c9d83c15d3d4c97e0083ced04","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-04-05T02:16:49Z","title_canon_sha256":"c5394da7a3fe6f279f66217d280bbbd2b29c1b8736e55cb8e4ebba3239699d51"},"schema_version":"1.0","source":{"id":"1704.01244","kind":"arxiv","version":1}},"canonical_sha256":"cdf528b5b2a248041a1a323a8368a77fa1f9061beba01bb0737607bef99f5d36","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cdf528b5b2a248041a1a323a8368a77fa1f9061beba01bb0737607bef99f5d36","first_computed_at":"2026-05-18T00:46:58.709694Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:46:58.709694Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/6R0KTROVp1JturQ0jvEDvkAyWY6aFKEZcjjXzJCbZEZTwfYSgQmMb/atjuMjNAc6G2hDSXI4ny61SQN8f+JAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:46:58.710188Z","signed_message":"canonical_sha256_bytes"},"source_id":"1704.01244","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d7381735ef15f9cbf12ce529be87a9ef31f1b72352910243cff73625f446cc6d","sha256:bbb7aab0b54c278163a1be605d62767e3127976841bc1f83cfb8cf70ed817194"],"state_sha256":"0ceb71861044f604f40101c0edede86a6dbd5d87d508aa12c033eb36850b09d9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6MpTx1k8qNC4PE+tlt20F3HljT9dU3lTsRWOvyKSZzovTUvoZgAna9QnYtTmf8iUaQbtjLhh9l4kAVv5+bSvDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T01:33:42.616461Z","bundle_sha256":"27eb29db5147d18bd04e0e2a96996f0dbd831a22b1e1cfe64ab2bbf9fe163202"}}