{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:5FA4KIXDUOTLUNVOG7XZWVQN2Z","short_pith_number":"pith:5FA4KIXD","schema_version":"1.0","canonical_sha256":"e941c522e3a3a6ba36ae37ef9b560dd6747c7aca35de4d030da4bb192f459124","source":{"kind":"arxiv","id":"1907.11797","version":3},"attestation_state":"computed","paper":{"title":"PingPong: Packet-Level Signatures for Smart Home Device Events","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CR","cs.DS","cs.LG"],"primary_cat":"cs.NI","authors_text":"Athina Markopoulou, Brian Demsky, Janus Varmarken, Rahmadi Trimananda","submitted_at":"2019-07-26T21:48:13Z","abstract_excerpt":"Smart home devices are vulnerable to passive inference attacks based on network traffic, even in the presence of encryption. In this paper, we present PINGPONG, a tool that can automatically extract packet-level signatures for device events (e.g., light bulb turning ON/OFF) from network traffic. We evaluated PINGPONG on popular smart home devices ranging from smart plugs and thermostats to cameras, voice-activated devices, and smart TVs. We were able to: (1) automatically extract previously unknown signatures that consist of simple sequences of packet lengths and directions; (2) use those sign"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1907.11797","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-07-26T21:48:13Z","cross_cats_sorted":["cs.CR","cs.DS","cs.LG"],"title_canon_sha256":"379ce3f2718025042cc68e8189559176b5437ca894ae9be9e1f089b3a66e322c","abstract_canon_sha256":"b245101b8b400ab33c632cfc480cd16bc636936461d16c5b3c94d5ca0dfc7493"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:39:32.124025Z","signature_b64":"TcXzjiqaWrl6HaKiBqrqxN3wsKGwkjKIB5p3rAhpgxSZeiveAlKmVdzkDaewg0GNrAPcRFLK+Ly32WdXEa2YAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e941c522e3a3a6ba36ae37ef9b560dd6747c7aca35de4d030da4bb192f459124","last_reissued_at":"2026-07-05T00:39:32.123546Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:39:32.123546Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"PingPong: Packet-Level Signatures for Smart Home Device Events","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CR","cs.DS","cs.LG"],"primary_cat":"cs.NI","authors_text":"Athina Markopoulou, Brian Demsky, Janus Varmarken, Rahmadi Trimananda","submitted_at":"2019-07-26T21:48:13Z","abstract_excerpt":"Smart home devices are vulnerable to passive inference attacks based on network traffic, even in the presence of encryption. In this paper, we present PINGPONG, a tool that can automatically extract packet-level signatures for device events (e.g., light bulb turning ON/OFF) from network traffic. We evaluated PINGPONG on popular smart home devices ranging from smart plugs and thermostats to cameras, voice-activated devices, and smart TVs. We were able to: (1) automatically extract previously unknown signatures that consist of simple sequences of packet lengths and directions; (2) use those sign"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.11797","kind":"arxiv","version":3},"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/1907.11797/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1907.11797","created_at":"2026-07-05T00:39:32.123605+00:00"},{"alias_kind":"arxiv_version","alias_value":"1907.11797v3","created_at":"2026-07-05T00:39:32.123605+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.11797","created_at":"2026-07-05T00:39:32.123605+00:00"},{"alias_kind":"pith_short_12","alias_value":"5FA4KIXDUOTL","created_at":"2026-07-05T00:39:32.123605+00:00"},{"alias_kind":"pith_short_16","alias_value":"5FA4KIXDUOTLUNVO","created_at":"2026-07-05T00:39:32.123605+00:00"},{"alias_kind":"pith_short_8","alias_value":"5FA4KIXD","created_at":"2026-07-05T00:39:32.123605+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/5FA4KIXDUOTLUNVOG7XZWVQN2Z","json":"https://pith.science/pith/5FA4KIXDUOTLUNVOG7XZWVQN2Z.json","graph_json":"https://pith.science/api/pith-number/5FA4KIXDUOTLUNVOG7XZWVQN2Z/graph.json","events_json":"https://pith.science/api/pith-number/5FA4KIXDUOTLUNVOG7XZWVQN2Z/events.json","paper":"https://pith.science/paper/5FA4KIXD"},"agent_actions":{"view_html":"https://pith.science/pith/5FA4KIXDUOTLUNVOG7XZWVQN2Z","download_json":"https://pith.science/pith/5FA4KIXDUOTLUNVOG7XZWVQN2Z.json","view_paper":"https://pith.science/paper/5FA4KIXD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1907.11797&json=true","fetch_graph":"https://pith.science/api/pith-number/5FA4KIXDUOTLUNVOG7XZWVQN2Z/graph.json","fetch_events":"https://pith.science/api/pith-number/5FA4KIXDUOTLUNVOG7XZWVQN2Z/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5FA4KIXDUOTLUNVOG7XZWVQN2Z/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5FA4KIXDUOTLUNVOG7XZWVQN2Z/action/storage_attestation","attest_author":"https://pith.science/pith/5FA4KIXDUOTLUNVOG7XZWVQN2Z/action/author_attestation","sign_citation":"https://pith.science/pith/5FA4KIXDUOTLUNVOG7XZWVQN2Z/action/citation_signature","submit_replication":"https://pith.science/pith/5FA4KIXDUOTLUNVOG7XZWVQN2Z/action/replication_record"}},"created_at":"2026-07-05T00:39:32.123605+00:00","updated_at":"2026-07-05T00:39:32.123605+00:00"}