{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:QKZLYJK5E2Z6MTKWIOJNEFCSWK","short_pith_number":"pith:QKZLYJK5","canonical_record":{"source":{"id":"quant-ph/0702262","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2007-02-27T22:56:21Z","cross_cats_sorted":[],"title_canon_sha256":"497bcf19590ad4c44f1c85c860f0dffbc8e1f7f1d8ae7630af33f53f08338cf5","abstract_canon_sha256":"0db3399b03c6e539c63d619cb0630de4cbbfba71aedc2b85042490c1ce5e5e39"},"schema_version":"1.0"},"canonical_sha256":"82b2bc255d26b3e64d564392d21452b2b19bf60090cdf58c871b8844f2237328","source":{"kind":"arxiv","id":"quant-ph/0702262","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0702262","created_at":"2026-07-04T15:10:32Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0702262v3","created_at":"2026-07-04T15:10:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0702262","created_at":"2026-07-04T15:10:32Z"},{"alias_kind":"pith_short_12","alias_value":"QKZLYJK5E2Z6","created_at":"2026-07-04T15:10:32Z"},{"alias_kind":"pith_short_16","alias_value":"QKZLYJK5E2Z6MTKW","created_at":"2026-07-04T15:10:32Z"},{"alias_kind":"pith_short_8","alias_value":"QKZLYJK5","created_at":"2026-07-04T15:10:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:QKZLYJK5E2Z6MTKWIOJNEFCSWK","target":"record","payload":{"canonical_record":{"source":{"id":"quant-ph/0702262","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2007-02-27T22:56:21Z","cross_cats_sorted":[],"title_canon_sha256":"497bcf19590ad4c44f1c85c860f0dffbc8e1f7f1d8ae7630af33f53f08338cf5","abstract_canon_sha256":"0db3399b03c6e539c63d619cb0630de4cbbfba71aedc2b85042490c1ce5e5e39"},"schema_version":"1.0"},"canonical_sha256":"82b2bc255d26b3e64d564392d21452b2b19bf60090cdf58c871b8844f2237328","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:10:32.464431Z","signature_b64":"KAZZKdHUomGz57eVKMcR0jgE7PPjwGS9K753kKjTKOiTzp0SrFALnj/TB9xj1AauVwG8heaFoDWXXlDqfF/CCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"82b2bc255d26b3e64d564392d21452b2b19bf60090cdf58c871b8844f2237328","last_reissued_at":"2026-07-04T15:10:32.464034Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:10:32.464034Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"quant-ph/0702262","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T15:10:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7f6TebF9UaIbm9RRumagfHK/jaHX+BvO1zslvjtmREl7Dk0OtbkOUakBAHxsam8oeS+sCkptkm8lQackQ8cBDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T09:03:17.985678Z"},"content_sha256":"90dc1e28ac936a06cc86a8fe145267e8fc14b8788c283c77962dca10544560a1","schema_version":"1.0","event_id":"sha256:90dc1e28ac936a06cc86a8fe145267e8fc14b8788c283c77962dca10544560a1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:QKZLYJK5E2Z6MTKWIOJNEFCSWK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Faked states attack using detector efficiency mismatch on SARG04, phase-time, DPSK, and Ekert protocols","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Johannes Skaar, Vadim Makarov","submitted_at":"2007-02-27T22:56:21Z","abstract_excerpt":"In quantum cryptosystems, variations in detector efficiency can be exploited to stage a successful attack. This happens when the efficiencies of Bob's two detectors are different functions of a control parameter accessible to Eve (e.g., timing of the incoming pulses). It has previously been shown that the Bennett-Brassard 1984 (BB84) protocol is vulnerable to this attack. In this paper, we show that several other protocols and encodings may also be vulnerable. We consider a faked states attack in the case of a partial efficiency mismatch on the Scarani-Acin-Ribordy-Gisin 2004 (SARG04) protocol"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0702262","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/quant-ph/0702262/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":"2026-07-04T15:10:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Kx+2AEaol/990Z1jLUEXbBhNpgYvUwFx8D1QAfKdHE/9htgs/uFA1EdzjEBra7J6odyBd2czP1feUwCkiGUvCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T09:03:17.986110Z"},"content_sha256":"2084637f614cdbe7c998d1b2c2d4e631ad0594cb6ea9004f4a22fe1ef9e8db65","schema_version":"1.0","event_id":"sha256:2084637f614cdbe7c998d1b2c2d4e631ad0594cb6ea9004f4a22fe1ef9e8db65"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QKZLYJK5E2Z6MTKWIOJNEFCSWK/bundle.json","state_url":"https://pith.science/pith/QKZLYJK5E2Z6MTKWIOJNEFCSWK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QKZLYJK5E2Z6MTKWIOJNEFCSWK/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":"2026-08-13T09:03:17Z","links":{"resolver":"https://pith.science/pith/QKZLYJK5E2Z6MTKWIOJNEFCSWK","bundle":"https://pith.science/pith/QKZLYJK5E2Z6MTKWIOJNEFCSWK/bundle.json","state":"https://pith.science/pith/QKZLYJK5E2Z6MTKWIOJNEFCSWK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QKZLYJK5E2Z6MTKWIOJNEFCSWK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:QKZLYJK5E2Z6MTKWIOJNEFCSWK","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":"0db3399b03c6e539c63d619cb0630de4cbbfba71aedc2b85042490c1ce5e5e39","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2007-02-27T22:56:21Z","title_canon_sha256":"497bcf19590ad4c44f1c85c860f0dffbc8e1f7f1d8ae7630af33f53f08338cf5"},"schema_version":"1.0","source":{"id":"quant-ph/0702262","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0702262","created_at":"2026-07-04T15:10:32Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0702262v3","created_at":"2026-07-04T15:10:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0702262","created_at":"2026-07-04T15:10:32Z"},{"alias_kind":"pith_short_12","alias_value":"QKZLYJK5E2Z6","created_at":"2026-07-04T15:10:32Z"},{"alias_kind":"pith_short_16","alias_value":"QKZLYJK5E2Z6MTKW","created_at":"2026-07-04T15:10:32Z"},{"alias_kind":"pith_short_8","alias_value":"QKZLYJK5","created_at":"2026-07-04T15:10:32Z"}],"graph_snapshots":[{"event_id":"sha256:2084637f614cdbe7c998d1b2c2d4e631ad0594cb6ea9004f4a22fe1ef9e8db65","target":"graph","created_at":"2026-07-04T15:10:32Z","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/quant-ph/0702262/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In quantum cryptosystems, variations in detector efficiency can be exploited to stage a successful attack. This happens when the efficiencies of Bob's two detectors are different functions of a control parameter accessible to Eve (e.g., timing of the incoming pulses). It has previously been shown that the Bennett-Brassard 1984 (BB84) protocol is vulnerable to this attack. In this paper, we show that several other protocols and encodings may also be vulnerable. We consider a faked states attack in the case of a partial efficiency mismatch on the Scarani-Acin-Ribordy-Gisin 2004 (SARG04) protocol","authors_text":"Johannes Skaar, Vadim Makarov","cross_cats":[],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"2007-02-27T22:56:21Z","title":"Faked states attack using detector efficiency mismatch on SARG04, phase-time, DPSK, and Ekert protocols"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0702262","kind":"arxiv","version":3},"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":"sha256:90dc1e28ac936a06cc86a8fe145267e8fc14b8788c283c77962dca10544560a1","target":"record","created_at":"2026-07-04T15:10:32Z","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":"0db3399b03c6e539c63d619cb0630de4cbbfba71aedc2b85042490c1ce5e5e39","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2007-02-27T22:56:21Z","title_canon_sha256":"497bcf19590ad4c44f1c85c860f0dffbc8e1f7f1d8ae7630af33f53f08338cf5"},"schema_version":"1.0","source":{"id":"quant-ph/0702262","kind":"arxiv","version":3}},"canonical_sha256":"82b2bc255d26b3e64d564392d21452b2b19bf60090cdf58c871b8844f2237328","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"82b2bc255d26b3e64d564392d21452b2b19bf60090cdf58c871b8844f2237328","first_computed_at":"2026-07-04T15:10:32.464034Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:10:32.464034Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KAZZKdHUomGz57eVKMcR0jgE7PPjwGS9K753kKjTKOiTzp0SrFALnj/TB9xj1AauVwG8heaFoDWXXlDqfF/CCQ==","signature_status":"signed_v1","signed_at":"2026-07-04T15:10:32.464431Z","signed_message":"canonical_sha256_bytes"},"source_id":"quant-ph/0702262","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:90dc1e28ac936a06cc86a8fe145267e8fc14b8788c283c77962dca10544560a1","sha256:2084637f614cdbe7c998d1b2c2d4e631ad0594cb6ea9004f4a22fe1ef9e8db65"],"state_sha256":"6fd763abba9a69962cefd77cc6671b58b00681b6e6ebc93e6f6f7785ec6bc5fc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fbf/frdghzdnnArJzMIFCARmIq7X72dpAnOxZVXfG9F00wdaKdXR7xIbSbT1UgXrUE6wCoEaCBiwOlhtroIrDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T09:03:17.988512Z","bundle_sha256":"42daebea86482d48a49e4b82924b151e6c2a7bbfc1ce228f5eb14951029f5fef"}}