{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:XMZLJTZ4NYVEZAJFCXMUAD6MDL","short_pith_number":"pith:XMZLJTZ4","schema_version":"1.0","canonical_sha256":"bb32b4cf3c6e2a4c812515d9400fcc1ac8a3d4c156e199744fcb4626b713dc2c","source":{"kind":"arxiv","id":"2203.02314","version":1},"attestation_state":"computed","paper":{"title":"Constructive Post-Quantum Reductions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CC","cs.CR"],"primary_cat":"quant-ph","authors_text":"Nir Bitansky, Yael Tauman Kalai, Zvika Brakerski","submitted_at":"2022-03-04T13:46:34Z","abstract_excerpt":"Is it possible to convert classical cryptographic reductions into post-quantum ones? It is customary to argue that while this is problematic in the interactive setting, non-interactive reductions do carry over. However, when considering quantum auxiliary input, this conversion results in a non-constructive post-quantum reduction that requires duplicating the quantum auxiliary input, which is in general inefficient or even impossible. This violates the win-win premise of provable cryptography: an attack against a cryptographic primitive should lead to an algorithmic advantage.\n  We initiate the"},"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":"2203.02314","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-03-04T13:46:34Z","cross_cats_sorted":["cs.CC","cs.CR"],"title_canon_sha256":"66b3cfff0e2e8d130aa6d08209661b9feb0c460c68ff639978dfd87f355f1f93","abstract_canon_sha256":"436ff647fedae624af330c09cc206b76f4cd8d5c859089f362c0c2fccc0e0526"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:02:03.580117Z","signature_b64":"gLlbP2Xo5cscJ4blr8vYCke4CmDZFARnK57Q25MWSxvMXpIC+bHg1w6iYj1NPgaCRt62POoQSIaFgAIfDN8ABQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bb32b4cf3c6e2a4c812515d9400fcc1ac8a3d4c156e199744fcb4626b713dc2c","last_reissued_at":"2026-07-05T04:02:03.579772Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:02:03.579772Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Constructive Post-Quantum Reductions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CC","cs.CR"],"primary_cat":"quant-ph","authors_text":"Nir Bitansky, Yael Tauman Kalai, Zvika Brakerski","submitted_at":"2022-03-04T13:46:34Z","abstract_excerpt":"Is it possible to convert classical cryptographic reductions into post-quantum ones? It is customary to argue that while this is problematic in the interactive setting, non-interactive reductions do carry over. However, when considering quantum auxiliary input, this conversion results in a non-constructive post-quantum reduction that requires duplicating the quantum auxiliary input, which is in general inefficient or even impossible. This violates the win-win premise of provable cryptography: an attack against a cryptographic primitive should lead to an algorithmic advantage.\n  We initiate the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.02314","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/2203.02314/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":"2203.02314","created_at":"2026-07-05T04:02:03.579829+00:00"},{"alias_kind":"arxiv_version","alias_value":"2203.02314v1","created_at":"2026-07-05T04:02:03.579829+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.02314","created_at":"2026-07-05T04:02:03.579829+00:00"},{"alias_kind":"pith_short_12","alias_value":"XMZLJTZ4NYVE","created_at":"2026-07-05T04:02:03.579829+00:00"},{"alias_kind":"pith_short_16","alias_value":"XMZLJTZ4NYVEZAJF","created_at":"2026-07-05T04:02:03.579829+00:00"},{"alias_kind":"pith_short_8","alias_value":"XMZLJTZ4","created_at":"2026-07-05T04:02:03.579829+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/XMZLJTZ4NYVEZAJFCXMUAD6MDL","json":"https://pith.science/pith/XMZLJTZ4NYVEZAJFCXMUAD6MDL.json","graph_json":"https://pith.science/api/pith-number/XMZLJTZ4NYVEZAJFCXMUAD6MDL/graph.json","events_json":"https://pith.science/api/pith-number/XMZLJTZ4NYVEZAJFCXMUAD6MDL/events.json","paper":"https://pith.science/paper/XMZLJTZ4"},"agent_actions":{"view_html":"https://pith.science/pith/XMZLJTZ4NYVEZAJFCXMUAD6MDL","download_json":"https://pith.science/pith/XMZLJTZ4NYVEZAJFCXMUAD6MDL.json","view_paper":"https://pith.science/paper/XMZLJTZ4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2203.02314&json=true","fetch_graph":"https://pith.science/api/pith-number/XMZLJTZ4NYVEZAJFCXMUAD6MDL/graph.json","fetch_events":"https://pith.science/api/pith-number/XMZLJTZ4NYVEZAJFCXMUAD6MDL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XMZLJTZ4NYVEZAJFCXMUAD6MDL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XMZLJTZ4NYVEZAJFCXMUAD6MDL/action/storage_attestation","attest_author":"https://pith.science/pith/XMZLJTZ4NYVEZAJFCXMUAD6MDL/action/author_attestation","sign_citation":"https://pith.science/pith/XMZLJTZ4NYVEZAJFCXMUAD6MDL/action/citation_signature","submit_replication":"https://pith.science/pith/XMZLJTZ4NYVEZAJFCXMUAD6MDL/action/replication_record"}},"created_at":"2026-07-05T04:02:03.579829+00:00","updated_at":"2026-07-05T04:02:03.579829+00:00"}