{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:3WG4YMRI2ZDOYWGQN47CBJUGNF","short_pith_number":"pith:3WG4YMRI","schema_version":"1.0","canonical_sha256":"dd8dcc3228d646ec58d06f3e20a68669565bb274526ceab0d8b8510343c7e9e0","source":{"kind":"arxiv","id":"1011.0168","version":3},"attestation_state":"computed","paper":{"title":"Ultimate crack and lack of any security in the statistical key exchange protocol with random signals and feedback","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CR"],"primary_cat":"quant-ph","authors_text":"Laszlo B. Kish, Zoltan gingl","submitted_at":"2010-10-31T15:31:58Z","abstract_excerpt":"We deterministically crack the secure, statistical key exchange protocol based on feedback proposed by Pao-Lo Liu [ J. Lightwave Techology 27 (2009) pp. 5230-34]. The crack is ultimate and absolute because it works under idealized conditions, and produces much higher data visibility for the eavesdropper than the protocol provides for Alice and Bob. Even with the most idealistic driving noise spectrum stated by Liu, during the most secure phase of the protocol, far away from the transients, where the system is already in its most secure steady-state, the eavesdropper has 100% success rate in id"},"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":"1011.0168","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-10-31T15:31:58Z","cross_cats_sorted":["cs.CR"],"title_canon_sha256":"82d7f8a4d8e74479a4f5f138f57a40acc8a969c801b949efd51c03c577049ecb","abstract_canon_sha256":"3f544142f2432fa3a2657eb8f20ec8630d2c13f97dee9172c0a7ce181c69f426"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:32:11.445181Z","signature_b64":"nHlOplE5qod+k1uHhJLw1FTGRrgSERn0LXPedYlNbgcZgK+9/3ZwZK2UwpIauuiMXezcXKBgu2+PkH5V7ar0Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dd8dcc3228d646ec58d06f3e20a68669565bb274526ceab0d8b8510343c7e9e0","last_reissued_at":"2026-05-18T04:32:11.444721Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:32:11.444721Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ultimate crack and lack of any security in the statistical key exchange protocol with random signals and feedback","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CR"],"primary_cat":"quant-ph","authors_text":"Laszlo B. Kish, Zoltan gingl","submitted_at":"2010-10-31T15:31:58Z","abstract_excerpt":"We deterministically crack the secure, statistical key exchange protocol based on feedback proposed by Pao-Lo Liu [ J. Lightwave Techology 27 (2009) pp. 5230-34]. The crack is ultimate and absolute because it works under idealized conditions, and produces much higher data visibility for the eavesdropper than the protocol provides for Alice and Bob. Even with the most idealistic driving noise spectrum stated by Liu, during the most secure phase of the protocol, far away from the transients, where the system is already in its most secure steady-state, the eavesdropper has 100% success rate in id"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.0168","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":""},"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":"1011.0168","created_at":"2026-05-18T04:32:11.444783+00:00"},{"alias_kind":"arxiv_version","alias_value":"1011.0168v3","created_at":"2026-05-18T04:32:11.444783+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.0168","created_at":"2026-05-18T04:32:11.444783+00:00"},{"alias_kind":"pith_short_12","alias_value":"3WG4YMRI2ZDO","created_at":"2026-05-18T12:26:03.138858+00:00"},{"alias_kind":"pith_short_16","alias_value":"3WG4YMRI2ZDOYWGQ","created_at":"2026-05-18T12:26:03.138858+00:00"},{"alias_kind":"pith_short_8","alias_value":"3WG4YMRI","created_at":"2026-05-18T12:26:03.138858+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/3WG4YMRI2ZDOYWGQN47CBJUGNF","json":"https://pith.science/pith/3WG4YMRI2ZDOYWGQN47CBJUGNF.json","graph_json":"https://pith.science/api/pith-number/3WG4YMRI2ZDOYWGQN47CBJUGNF/graph.json","events_json":"https://pith.science/api/pith-number/3WG4YMRI2ZDOYWGQN47CBJUGNF/events.json","paper":"https://pith.science/paper/3WG4YMRI"},"agent_actions":{"view_html":"https://pith.science/pith/3WG4YMRI2ZDOYWGQN47CBJUGNF","download_json":"https://pith.science/pith/3WG4YMRI2ZDOYWGQN47CBJUGNF.json","view_paper":"https://pith.science/paper/3WG4YMRI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1011.0168&json=true","fetch_graph":"https://pith.science/api/pith-number/3WG4YMRI2ZDOYWGQN47CBJUGNF/graph.json","fetch_events":"https://pith.science/api/pith-number/3WG4YMRI2ZDOYWGQN47CBJUGNF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3WG4YMRI2ZDOYWGQN47CBJUGNF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3WG4YMRI2ZDOYWGQN47CBJUGNF/action/storage_attestation","attest_author":"https://pith.science/pith/3WG4YMRI2ZDOYWGQN47CBJUGNF/action/author_attestation","sign_citation":"https://pith.science/pith/3WG4YMRI2ZDOYWGQN47CBJUGNF/action/citation_signature","submit_replication":"https://pith.science/pith/3WG4YMRI2ZDOYWGQN47CBJUGNF/action/replication_record"}},"created_at":"2026-05-18T04:32:11.444783+00:00","updated_at":"2026-05-18T04:32:11.444783+00:00"}