{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:XMZLJTZ4NYVEZAJFCXMUAD6MDL","short_pith_number":"pith:XMZLJTZ4","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"},"canonical_sha256":"bb32b4cf3c6e2a4c812515d9400fcc1ac8a3d4c156e199744fcb4626b713dc2c","source":{"kind":"arxiv","id":"2203.02314","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.02314","created_at":"2026-07-05T04:02:03Z"},{"alias_kind":"arxiv_version","alias_value":"2203.02314v1","created_at":"2026-07-05T04:02:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.02314","created_at":"2026-07-05T04:02:03Z"},{"alias_kind":"pith_short_12","alias_value":"XMZLJTZ4NYVE","created_at":"2026-07-05T04:02:03Z"},{"alias_kind":"pith_short_16","alias_value":"XMZLJTZ4NYVEZAJF","created_at":"2026-07-05T04:02:03Z"},{"alias_kind":"pith_short_8","alias_value":"XMZLJTZ4","created_at":"2026-07-05T04:02:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:XMZLJTZ4NYVEZAJFCXMUAD6MDL","target":"record","payload":{"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"},"canonical_sha256":"bb32b4cf3c6e2a4c812515d9400fcc1ac8a3d4c156e199744fcb4626b713dc2c","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"},"source_kind":"arxiv","source_id":"2203.02314","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:02:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6O/PYfl1ejqjc4+9M/aJCspy3gVuanLNVQr2ylJIytrptxTqFq2+E5RtBxWZnLTKIILPZL4OgFKOlwzv93EpDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T19:10:37.940526Z"},"content_sha256":"23d3b2dca530d16ee03ef02029dc4f6179d48224695151e32f01cb7f2563d54a","schema_version":"1.0","event_id":"sha256:23d3b2dca530d16ee03ef02029dc4f6179d48224695151e32f01cb7f2563d54a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:XMZLJTZ4NYVEZAJFCXMUAD6MDL","target":"graph","payload":{"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:02:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CHG9BQFeEX1twz7rlBu4xsRsZjnLRDpPN+emlgVK0lPnJdpPZvl0zh469CVV3iZqCFW4naZ9g/7bZjnxc0RxCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T19:10:37.941059Z"},"content_sha256":"8fc0a227c9a2c9eecd18b4e99420916ed0062fd249b3a1c5b42c643da6aa4966","schema_version":"1.0","event_id":"sha256:8fc0a227c9a2c9eecd18b4e99420916ed0062fd249b3a1c5b42c643da6aa4966"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XMZLJTZ4NYVEZAJFCXMUAD6MDL/bundle.json","state_url":"https://pith.science/pith/XMZLJTZ4NYVEZAJFCXMUAD6MDL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XMZLJTZ4NYVEZAJFCXMUAD6MDL/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":"2026-08-04T19:10:37Z","links":{"resolver":"https://pith.science/pith/XMZLJTZ4NYVEZAJFCXMUAD6MDL","bundle":"https://pith.science/pith/XMZLJTZ4NYVEZAJFCXMUAD6MDL/bundle.json","state":"https://pith.science/pith/XMZLJTZ4NYVEZAJFCXMUAD6MDL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XMZLJTZ4NYVEZAJFCXMUAD6MDL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:XMZLJTZ4NYVEZAJFCXMUAD6MDL","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":"436ff647fedae624af330c09cc206b76f4cd8d5c859089f362c0c2fccc0e0526","cross_cats_sorted":["cs.CC","cs.CR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-03-04T13:46:34Z","title_canon_sha256":"66b3cfff0e2e8d130aa6d08209661b9feb0c460c68ff639978dfd87f355f1f93"},"schema_version":"1.0","source":{"id":"2203.02314","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.02314","created_at":"2026-07-05T04:02:03Z"},{"alias_kind":"arxiv_version","alias_value":"2203.02314v1","created_at":"2026-07-05T04:02:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.02314","created_at":"2026-07-05T04:02:03Z"},{"alias_kind":"pith_short_12","alias_value":"XMZLJTZ4NYVE","created_at":"2026-07-05T04:02:03Z"},{"alias_kind":"pith_short_16","alias_value":"XMZLJTZ4NYVEZAJF","created_at":"2026-07-05T04:02:03Z"},{"alias_kind":"pith_short_8","alias_value":"XMZLJTZ4","created_at":"2026-07-05T04:02:03Z"}],"graph_snapshots":[{"event_id":"sha256:8fc0a227c9a2c9eecd18b4e99420916ed0062fd249b3a1c5b42c643da6aa4966","target":"graph","created_at":"2026-07-05T04:02:03Z","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/2203.02314/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"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","authors_text":"Nir Bitansky, Yael Tauman Kalai, Zvika Brakerski","cross_cats":["cs.CC","cs.CR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-03-04T13:46:34Z","title":"Constructive Post-Quantum Reductions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.02314","kind":"arxiv","version":1},"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":"sha256:23d3b2dca530d16ee03ef02029dc4f6179d48224695151e32f01cb7f2563d54a","target":"record","created_at":"2026-07-05T04:02:03Z","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":"436ff647fedae624af330c09cc206b76f4cd8d5c859089f362c0c2fccc0e0526","cross_cats_sorted":["cs.CC","cs.CR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-03-04T13:46:34Z","title_canon_sha256":"66b3cfff0e2e8d130aa6d08209661b9feb0c460c68ff639978dfd87f355f1f93"},"schema_version":"1.0","source":{"id":"2203.02314","kind":"arxiv","version":1}},"canonical_sha256":"bb32b4cf3c6e2a4c812515d9400fcc1ac8a3d4c156e199744fcb4626b713dc2c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bb32b4cf3c6e2a4c812515d9400fcc1ac8a3d4c156e199744fcb4626b713dc2c","first_computed_at":"2026-07-05T04:02:03.579772Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:02:03.579772Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gLlbP2Xo5cscJ4blr8vYCke4CmDZFARnK57Q25MWSxvMXpIC+bHg1w6iYj1NPgaCRt62POoQSIaFgAIfDN8ABQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:02:03.580117Z","signed_message":"canonical_sha256_bytes"},"source_id":"2203.02314","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:23d3b2dca530d16ee03ef02029dc4f6179d48224695151e32f01cb7f2563d54a","sha256:8fc0a227c9a2c9eecd18b4e99420916ed0062fd249b3a1c5b42c643da6aa4966"],"state_sha256":"1c80a3ce13d27e175f11d9d464e12c015e003898e355cfe0d410485c3ace0674"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0XBiAxvS7qDlBImU1G+gaMjCJEIuYOXqa/i4B1+pfcHKX7GDc+AsxWAD+FUX988eCW5BsLz3RipmKFvF60OsAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T19:10:37.946286Z","bundle_sha256":"b275b1e299beb59509d2599171f39195b0a331b4e66e66841e462007535731ad"}}