{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:7LZMO3VIIYMOLXZVW6EAM2V6UY","short_pith_number":"pith:7LZMO3VI","schema_version":"1.0","canonical_sha256":"faf2c76ea84618e5df35b788066abea61a1ce8dc5e61da4dcee32ab8f3ad1dbd","source":{"kind":"arxiv","id":"2606.10148","version":1},"attestation_state":"computed","paper":{"title":"RadKey: An LLM-Guided RF Backscatter System for Through-Wall Keystroke Inference","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Chunqi Qian, Huacheng Zeng, Qijun Wang","submitted_at":"2026-06-08T20:26:41Z","abstract_excerpt":"In today's digitally connected world, keyboards remain the primary interface for inputting sensitive information, making them a persistent target for eavesdropping attacks. While prior keystroke inference techniques have exploited side-channel signals such as acoustics and vibrations, they typically rely on conspicuous, short-range sensors and require victim-specific data for model training, limiting their practicality, scalability, and stealth. In this paper, we present RadKey, an RF backscatter system for covert, long-range, through-wall keystroke eavesdropping. RadKey comprises two componen"},"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":"2606.10148","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2026-06-08T20:26:41Z","cross_cats_sorted":[],"title_canon_sha256":"067f650746f1070a4d8c72efbd1351e1075abda8b88b3b6c6b4e502db85a7f82","abstract_canon_sha256":"90b1d4dbb3009ced4db61738fcf2553c7c58743c42da846b25c4af006ef5f287"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-10T01:08:56.680197Z","signature_b64":"4F8tFyPv/HgPw18MEzvpeKCIi6jwBxioVXnQsQO7mrkn414e1BWxLLmbG0hCQlcmUvoDe33KytV8EGhBUmDlAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"faf2c76ea84618e5df35b788066abea61a1ce8dc5e61da4dcee32ab8f3ad1dbd","last_reissued_at":"2026-06-10T01:08:56.679448Z","signature_status":"signed_v1","first_computed_at":"2026-06-10T01:08:56.679448Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"RadKey: An LLM-Guided RF Backscatter System for Through-Wall Keystroke Inference","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Chunqi Qian, Huacheng Zeng, Qijun Wang","submitted_at":"2026-06-08T20:26:41Z","abstract_excerpt":"In today's digitally connected world, keyboards remain the primary interface for inputting sensitive information, making them a persistent target for eavesdropping attacks. While prior keystroke inference techniques have exploited side-channel signals such as acoustics and vibrations, they typically rely on conspicuous, short-range sensors and require victim-specific data for model training, limiting their practicality, scalability, and stealth. In this paper, we present RadKey, an RF backscatter system for covert, long-range, through-wall keystroke eavesdropping. RadKey comprises two componen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.10148","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/2606.10148/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":"2606.10148","created_at":"2026-06-10T01:08:56.679572+00:00"},{"alias_kind":"arxiv_version","alias_value":"2606.10148v1","created_at":"2026-06-10T01:08:56.679572+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.10148","created_at":"2026-06-10T01:08:56.679572+00:00"},{"alias_kind":"pith_short_12","alias_value":"7LZMO3VIIYMO","created_at":"2026-06-10T01:08:56.679572+00:00"},{"alias_kind":"pith_short_16","alias_value":"7LZMO3VIIYMOLXZV","created_at":"2026-06-10T01:08:56.679572+00:00"},{"alias_kind":"pith_short_8","alias_value":"7LZMO3VI","created_at":"2026-06-10T01:08:56.679572+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/7LZMO3VIIYMOLXZVW6EAM2V6UY","json":"https://pith.science/pith/7LZMO3VIIYMOLXZVW6EAM2V6UY.json","graph_json":"https://pith.science/api/pith-number/7LZMO3VIIYMOLXZVW6EAM2V6UY/graph.json","events_json":"https://pith.science/api/pith-number/7LZMO3VIIYMOLXZVW6EAM2V6UY/events.json","paper":"https://pith.science/paper/7LZMO3VI"},"agent_actions":{"view_html":"https://pith.science/pith/7LZMO3VIIYMOLXZVW6EAM2V6UY","download_json":"https://pith.science/pith/7LZMO3VIIYMOLXZVW6EAM2V6UY.json","view_paper":"https://pith.science/paper/7LZMO3VI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2606.10148&json=true","fetch_graph":"https://pith.science/api/pith-number/7LZMO3VIIYMOLXZVW6EAM2V6UY/graph.json","fetch_events":"https://pith.science/api/pith-number/7LZMO3VIIYMOLXZVW6EAM2V6UY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7LZMO3VIIYMOLXZVW6EAM2V6UY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7LZMO3VIIYMOLXZVW6EAM2V6UY/action/storage_attestation","attest_author":"https://pith.science/pith/7LZMO3VIIYMOLXZVW6EAM2V6UY/action/author_attestation","sign_citation":"https://pith.science/pith/7LZMO3VIIYMOLXZVW6EAM2V6UY/action/citation_signature","submit_replication":"https://pith.science/pith/7LZMO3VIIYMOLXZVW6EAM2V6UY/action/replication_record"}},"created_at":"2026-06-10T01:08:56.679572+00:00","updated_at":"2026-06-10T01:08:56.679572+00:00"}