{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:437HAFPB3QA7DDMA73OFVKTCNI","short_pith_number":"pith:437HAFPB","canonical_record":{"source":{"id":"2002.10656","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2020-02-25T03:52:47Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"5c2a6ebd819ba11bdf3e88d44290742d3e7749d0a8eeb886d991874420603ab0","abstract_canon_sha256":"d7bcd7a5895d68f04b8d8c431ecfcd157ff23a29f399c0cb458679b31514a8a1"},"schema_version":"1.0"},"canonical_sha256":"e6fe7015e1dc01f18d80fedc5aaa626a2bc19183743e08e1873a02b4ef4070c3","source":{"kind":"arxiv","id":"2002.10656","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.10656","created_at":"2026-07-05T00:43:24Z"},{"alias_kind":"arxiv_version","alias_value":"2002.10656v1","created_at":"2026-07-05T00:43:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.10656","created_at":"2026-07-05T00:43:24Z"},{"alias_kind":"pith_short_12","alias_value":"437HAFPB3QA7","created_at":"2026-07-05T00:43:24Z"},{"alias_kind":"pith_short_16","alias_value":"437HAFPB3QA7DDMA","created_at":"2026-07-05T00:43:24Z"},{"alias_kind":"pith_short_8","alias_value":"437HAFPB","created_at":"2026-07-05T00:43:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:437HAFPB3QA7DDMA73OFVKTCNI","target":"record","payload":{"canonical_record":{"source":{"id":"2002.10656","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2020-02-25T03:52:47Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"5c2a6ebd819ba11bdf3e88d44290742d3e7749d0a8eeb886d991874420603ab0","abstract_canon_sha256":"d7bcd7a5895d68f04b8d8c431ecfcd157ff23a29f399c0cb458679b31514a8a1"},"schema_version":"1.0"},"canonical_sha256":"e6fe7015e1dc01f18d80fedc5aaa626a2bc19183743e08e1873a02b4ef4070c3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:43:24.023821Z","signature_b64":"TO4h5/vjyQe1oCad0uHt14HDEHH6FQnaliDYK+2cXOwNRmg03GEsaZ1nvdX0gbEDaXnw75Ci543vpnvb6OgzBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e6fe7015e1dc01f18d80fedc5aaa626a2bc19183743e08e1873a02b4ef4070c3","last_reissued_at":"2026-07-05T00:43:24.023468Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:43:24.023468Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2002.10656","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":"2026-07-05T00:43:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BPtfzIW0YzqTQ+6DRZekjV79Ua3+LV10WljXAppxTD5KpDiMbG6IyoWm4+79J8gjc98I7/aPPBXU4rjh+hMGDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T05:03:45.835202Z"},"content_sha256":"5e6ca2cc917e7f107f3607026ac326d1b6ceac19c23e4c4491c0835b4e8d9f2b","schema_version":"1.0","event_id":"sha256:5e6ca2cc917e7f107f3607026ac326d1b6ceac19c23e4c4491c0835b4e8d9f2b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:437HAFPB3QA7DDMA73OFVKTCNI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Enhancing Physical Layer Security of Random Caching in Large-Scale Multi-Antenna Heterogeneous Wireless Networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Chenxi Liu, Fu-Chun Zheng, Shi Jin, Tony Q. S. Quek, Wanli Wen, Yaru Fu","submitted_at":"2020-02-25T03:52:47Z","abstract_excerpt":"In this paper, we propose a novel secure random caching scheme for large-scale multi-antenna heterogeneous wireless networks, where the base stations (BSs) deliver randomly cached confidential contents to the legitimate users in the presence of passive eavesdroppers as well as active jammers. In order to safeguard the content delivery, we consider that the BSs transmits the artificial noise together with the useful signals. By using tools from stochastic geometry, we first analyze the average reliable transmission probability (RTP) and the average confidential transmission probability (CTP), w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.10656","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2002.10656/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:43:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VzUcJ9Zqp2adkOzddsT6WRg3X0belPG4tEELx70mOqwlTKT08XkLa8YsWImVRNoS8beAt9P43yKLoVQTsUXJDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T05:03:45.835689Z"},"content_sha256":"219bb551b06912bd5e4137e57eb3755c29e8d6bdb8a99aa80701adcb4d45c1e8","schema_version":"1.0","event_id":"sha256:219bb551b06912bd5e4137e57eb3755c29e8d6bdb8a99aa80701adcb4d45c1e8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/437HAFPB3QA7DDMA73OFVKTCNI/bundle.json","state_url":"https://pith.science/pith/437HAFPB3QA7DDMA73OFVKTCNI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/437HAFPB3QA7DDMA73OFVKTCNI/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":"2026-07-09T05:03:45Z","links":{"resolver":"https://pith.science/pith/437HAFPB3QA7DDMA73OFVKTCNI","bundle":"https://pith.science/pith/437HAFPB3QA7DDMA73OFVKTCNI/bundle.json","state":"https://pith.science/pith/437HAFPB3QA7DDMA73OFVKTCNI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/437HAFPB3QA7DDMA73OFVKTCNI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:437HAFPB3QA7DDMA73OFVKTCNI","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":"d7bcd7a5895d68f04b8d8c431ecfcd157ff23a29f399c0cb458679b31514a8a1","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2020-02-25T03:52:47Z","title_canon_sha256":"5c2a6ebd819ba11bdf3e88d44290742d3e7749d0a8eeb886d991874420603ab0"},"schema_version":"1.0","source":{"id":"2002.10656","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.10656","created_at":"2026-07-05T00:43:24Z"},{"alias_kind":"arxiv_version","alias_value":"2002.10656v1","created_at":"2026-07-05T00:43:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.10656","created_at":"2026-07-05T00:43:24Z"},{"alias_kind":"pith_short_12","alias_value":"437HAFPB3QA7","created_at":"2026-07-05T00:43:24Z"},{"alias_kind":"pith_short_16","alias_value":"437HAFPB3QA7DDMA","created_at":"2026-07-05T00:43:24Z"},{"alias_kind":"pith_short_8","alias_value":"437HAFPB","created_at":"2026-07-05T00:43:24Z"}],"graph_snapshots":[{"event_id":"sha256:219bb551b06912bd5e4137e57eb3755c29e8d6bdb8a99aa80701adcb4d45c1e8","target":"graph","created_at":"2026-07-05T00:43:24Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2002.10656/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, we propose a novel secure random caching scheme for large-scale multi-antenna heterogeneous wireless networks, where the base stations (BSs) deliver randomly cached confidential contents to the legitimate users in the presence of passive eavesdroppers as well as active jammers. In order to safeguard the content delivery, we consider that the BSs transmits the artificial noise together with the useful signals. By using tools from stochastic geometry, we first analyze the average reliable transmission probability (RTP) and the average confidential transmission probability (CTP), w","authors_text":"Chenxi Liu, Fu-Chun Zheng, Shi Jin, Tony Q. S. Quek, Wanli Wen, Yaru Fu","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2020-02-25T03:52:47Z","title":"Enhancing Physical Layer Security of Random Caching in Large-Scale Multi-Antenna Heterogeneous Wireless Networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.10656","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":"sha256:5e6ca2cc917e7f107f3607026ac326d1b6ceac19c23e4c4491c0835b4e8d9f2b","target":"record","created_at":"2026-07-05T00:43:24Z","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":"d7bcd7a5895d68f04b8d8c431ecfcd157ff23a29f399c0cb458679b31514a8a1","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2020-02-25T03:52:47Z","title_canon_sha256":"5c2a6ebd819ba11bdf3e88d44290742d3e7749d0a8eeb886d991874420603ab0"},"schema_version":"1.0","source":{"id":"2002.10656","kind":"arxiv","version":1}},"canonical_sha256":"e6fe7015e1dc01f18d80fedc5aaa626a2bc19183743e08e1873a02b4ef4070c3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e6fe7015e1dc01f18d80fedc5aaa626a2bc19183743e08e1873a02b4ef4070c3","first_computed_at":"2026-07-05T00:43:24.023468Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:43:24.023468Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TO4h5/vjyQe1oCad0uHt14HDEHH6FQnaliDYK+2cXOwNRmg03GEsaZ1nvdX0gbEDaXnw75Ci543vpnvb6OgzBw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:43:24.023821Z","signed_message":"canonical_sha256_bytes"},"source_id":"2002.10656","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5e6ca2cc917e7f107f3607026ac326d1b6ceac19c23e4c4491c0835b4e8d9f2b","sha256:219bb551b06912bd5e4137e57eb3755c29e8d6bdb8a99aa80701adcb4d45c1e8"],"state_sha256":"739e5fc1a6d81f1a37ce466f63b821e54104e62bb890613d94d0f1b0bc393a01"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cB/Ly0v9zlyWojeR4uscWVXdsbbk0RbauZKlnUdoZT/piTpMruzj/WfuwmU2SKytKQe8Joa4IeT3mIIZ17jwDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-09T05:03:45.837632Z","bundle_sha256":"c252b393f4ef67af281515da5b9bf58160c83e1864102cde80736998ee8c0b01"}}