{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:GBN4PWUTH3IZLNP7BANJXRKA2C","short_pith_number":"pith:GBN4PWUT","canonical_record":{"source":{"id":"1808.01053","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2018-08-03T00:38:35Z","cross_cats_sorted":[],"title_canon_sha256":"0dd57803945eb3bdb9718565866718689c41bf0cd1d1378d28f2abff638db419","abstract_canon_sha256":"4cafebb4cf231ef45fed79bb018b9b2758ee439edc48b53b25bf5375016d8065"},"schema_version":"1.0"},"canonical_sha256":"305bc7da933ed195b5ff081a9bc540d0ab448d30cba5803ab39f590f657cfa64","source":{"kind":"arxiv","id":"1808.01053","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.01053","created_at":"2026-05-18T00:08:59Z"},{"alias_kind":"arxiv_version","alias_value":"1808.01053v1","created_at":"2026-05-18T00:08:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.01053","created_at":"2026-05-18T00:08:59Z"},{"alias_kind":"pith_short_12","alias_value":"GBN4PWUTH3IZ","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"GBN4PWUTH3IZLNP7","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"GBN4PWUT","created_at":"2026-05-18T12:32:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:GBN4PWUTH3IZLNP7BANJXRKA2C","target":"record","payload":{"canonical_record":{"source":{"id":"1808.01053","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2018-08-03T00:38:35Z","cross_cats_sorted":[],"title_canon_sha256":"0dd57803945eb3bdb9718565866718689c41bf0cd1d1378d28f2abff638db419","abstract_canon_sha256":"4cafebb4cf231ef45fed79bb018b9b2758ee439edc48b53b25bf5375016d8065"},"schema_version":"1.0"},"canonical_sha256":"305bc7da933ed195b5ff081a9bc540d0ab448d30cba5803ab39f590f657cfa64","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:08:59.181991Z","signature_b64":"pcTFzR9rsp1nDFVuV+PMthFkIhP8V6FKMcVlHnVLshVERxGpaJHgw7GXgYgspgrHro96dyoXGr81bznms7AHCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"305bc7da933ed195b5ff081a9bc540d0ab448d30cba5803ab39f590f657cfa64","last_reissued_at":"2026-05-18T00:08:59.181307Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:08:59.181307Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1808.01053","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":"2026-05-18T00:08:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hf6WG+i5H0HtzIePFTdISJp+mrU71r8uX3sEailxAlKUjl7xOD2GY8kfYFC1Za+zZyZnx5d0RIYiKHvQ5OvYDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T18:21:11.851448Z"},"content_sha256":"65b640efcbd6f4e1bd21cfb1de0ff029e458023ef4a579c15577211885ec5a55","schema_version":"1.0","event_id":"sha256:65b640efcbd6f4e1bd21cfb1de0ff029e458023ef4a579c15577211885ec5a55"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:GBN4PWUTH3IZLNP7BANJXRKA2C","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optimizing Space-Air-Ground Integrated Networks by Artificial Intelligence","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Atsushi Okamura, Bomin Mao, Fengxiao Tang, Jiajia Liu, Nei Kato, Shigenori Tani, Zubair Md. Fadlullah","submitted_at":"2018-08-03T00:38:35Z","abstract_excerpt":"It is widely acknowledged that the development of traditional terrestrial communication technologies cannot provide all users with fair and high quality services due to the scarce network resource and limited coverage areas. To complement the terrestrial connection, especially for users in rural, disaster-stricken, or other difficult-to-serve areas, satellites, unmanned aerial vehicles (UAVs), and balloons have been utilized to relay the communication signals. On the basis, Space-Air-Ground Integrated Networks (SAGINs) have been proposed to improve the users' Quality of Experience (QoE). Howev"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.01053","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":"2026-05-18T00:08:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QwgYHsqS8xuKDuFAGPelfInteXWBG/2pNH4lns68C5Zzaeeyz+KGMgbW+2DZDcG5XfNqeock5upQwj657DeCCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T18:21:11.851775Z"},"content_sha256":"1a18c36f14f888130b475f3d3e3a78150b4b784420425ccbbb61141c99257852","schema_version":"1.0","event_id":"sha256:1a18c36f14f888130b475f3d3e3a78150b4b784420425ccbbb61141c99257852"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GBN4PWUTH3IZLNP7BANJXRKA2C/bundle.json","state_url":"https://pith.science/pith/GBN4PWUTH3IZLNP7BANJXRKA2C/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GBN4PWUTH3IZLNP7BANJXRKA2C/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":"2026-06-27T18:21:11Z","links":{"resolver":"https://pith.science/pith/GBN4PWUTH3IZLNP7BANJXRKA2C","bundle":"https://pith.science/pith/GBN4PWUTH3IZLNP7BANJXRKA2C/bundle.json","state":"https://pith.science/pith/GBN4PWUTH3IZLNP7BANJXRKA2C/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GBN4PWUTH3IZLNP7BANJXRKA2C/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:GBN4PWUTH3IZLNP7BANJXRKA2C","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":"4cafebb4cf231ef45fed79bb018b9b2758ee439edc48b53b25bf5375016d8065","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2018-08-03T00:38:35Z","title_canon_sha256":"0dd57803945eb3bdb9718565866718689c41bf0cd1d1378d28f2abff638db419"},"schema_version":"1.0","source":{"id":"1808.01053","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.01053","created_at":"2026-05-18T00:08:59Z"},{"alias_kind":"arxiv_version","alias_value":"1808.01053v1","created_at":"2026-05-18T00:08:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.01053","created_at":"2026-05-18T00:08:59Z"},{"alias_kind":"pith_short_12","alias_value":"GBN4PWUTH3IZ","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"GBN4PWUTH3IZLNP7","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"GBN4PWUT","created_at":"2026-05-18T12:32:25Z"}],"graph_snapshots":[{"event_id":"sha256:1a18c36f14f888130b475f3d3e3a78150b4b784420425ccbbb61141c99257852","target":"graph","created_at":"2026-05-18T00:08:59Z","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":"It is widely acknowledged that the development of traditional terrestrial communication technologies cannot provide all users with fair and high quality services due to the scarce network resource and limited coverage areas. To complement the terrestrial connection, especially for users in rural, disaster-stricken, or other difficult-to-serve areas, satellites, unmanned aerial vehicles (UAVs), and balloons have been utilized to relay the communication signals. On the basis, Space-Air-Ground Integrated Networks (SAGINs) have been proposed to improve the users' Quality of Experience (QoE). Howev","authors_text":"Atsushi Okamura, Bomin Mao, Fengxiao Tang, Jiajia Liu, Nei Kato, Shigenori Tani, Zubair Md. Fadlullah","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2018-08-03T00:38:35Z","title":"Optimizing Space-Air-Ground Integrated Networks by Artificial Intelligence"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.01053","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":"sha256:65b640efcbd6f4e1bd21cfb1de0ff029e458023ef4a579c15577211885ec5a55","target":"record","created_at":"2026-05-18T00:08:59Z","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":"4cafebb4cf231ef45fed79bb018b9b2758ee439edc48b53b25bf5375016d8065","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2018-08-03T00:38:35Z","title_canon_sha256":"0dd57803945eb3bdb9718565866718689c41bf0cd1d1378d28f2abff638db419"},"schema_version":"1.0","source":{"id":"1808.01053","kind":"arxiv","version":1}},"canonical_sha256":"305bc7da933ed195b5ff081a9bc540d0ab448d30cba5803ab39f590f657cfa64","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"305bc7da933ed195b5ff081a9bc540d0ab448d30cba5803ab39f590f657cfa64","first_computed_at":"2026-05-18T00:08:59.181307Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:08:59.181307Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pcTFzR9rsp1nDFVuV+PMthFkIhP8V6FKMcVlHnVLshVERxGpaJHgw7GXgYgspgrHro96dyoXGr81bznms7AHCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:08:59.181991Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.01053","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:65b640efcbd6f4e1bd21cfb1de0ff029e458023ef4a579c15577211885ec5a55","sha256:1a18c36f14f888130b475f3d3e3a78150b4b784420425ccbbb61141c99257852"],"state_sha256":"6d066842ecf1132c37745b977f4b6aef6667f49a8a418e7fba83e4ab39f38c93"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wGnbJNRH+uUHY18oyMb0NROksf/ji5rnzr85xdhnHrn+1+KHHNQlfg3x7b+04i+2CJoOGq5nFMnmFUZBu/MdCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T18:21:11.853554Z","bundle_sha256":"f82d58f39fcaffb4891b5f1f723a7fd09087bf9aeb96354db7de73879bfc9e9c"}}