{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:VO7QEJ5MROR5F2ZIHQOHP45JXR","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":"b1762519874bcd48116a037f16100240b03ef0be3792d83cd9dada43904fba40","cross_cats_sorted":["cs.CR","math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-01-30T20:35:57Z","title_canon_sha256":"52cce1895fdc10927ec6967c7d8adb40f221ac403afa2e75345de0eee18fe7b3"},"schema_version":"1.0","source":{"id":"1301.7351","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.7351","created_at":"2026-05-18T03:35:00Z"},{"alias_kind":"arxiv_version","alias_value":"1301.7351v1","created_at":"2026-05-18T03:35:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.7351","created_at":"2026-05-18T03:35:00Z"},{"alias_kind":"pith_short_12","alias_value":"VO7QEJ5MROR5","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"VO7QEJ5MROR5F2ZI","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"VO7QEJ5M","created_at":"2026-05-18T12:28:04Z"}],"graph_snapshots":[{"event_id":"sha256:a894fafc56dc7e09ac32953b6a4d876dc4af1454b67405838462958b33744d96","target":"graph","created_at":"2026-05-18T03:35:00Z","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"},"paper":{"abstract_excerpt":"Despite high hopes for quantum computation in the 1990s, progress in the past decade has been slow; we still cannot perform computation with more than about three qubits and are no closer to solving problems of real interest than a decade ago. Separately, recent experiments in fluid mechanics have demonstrated the emergence of a full range of quantum phenomena from completely classical motion. We present two specific hypotheses. First, Kuramoto theory may give a basis for geometrical thinking about entanglement. Second, we consider a recent soliton model of the electron, in which the quantum-m","authors_text":"Robert Brady, Ross Anderson","cross_cats":["cs.CR","math-ph","math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-01-30T20:35:57Z","title":"Why quantum computing is hard - and quantum cryptography is not provably secure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.7351","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":"sha256:44f78a88c193d8758e8eb6a65205a616a113ec73acb8208c2bca78f1e85c9a23","target":"record","created_at":"2026-05-18T03:35:00Z","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":"b1762519874bcd48116a037f16100240b03ef0be3792d83cd9dada43904fba40","cross_cats_sorted":["cs.CR","math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-01-30T20:35:57Z","title_canon_sha256":"52cce1895fdc10927ec6967c7d8adb40f221ac403afa2e75345de0eee18fe7b3"},"schema_version":"1.0","source":{"id":"1301.7351","kind":"arxiv","version":1}},"canonical_sha256":"abbf0227ac8ba3d2eb283c1c77f3a9bc662407c83bac116dbd7526ff47bb7aee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"abbf0227ac8ba3d2eb283c1c77f3a9bc662407c83bac116dbd7526ff47bb7aee","first_computed_at":"2026-05-18T03:35:00.489209Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:35:00.489209Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"X32YSch6HwUTFjdmK7iSqUtdbErPt6vyeazHAfcnaF7Yk/CYacWRJnprnkkbaKUcyb8i40y5PnzYMLoiYmUtAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:35:00.489883Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.7351","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:44f78a88c193d8758e8eb6a65205a616a113ec73acb8208c2bca78f1e85c9a23","sha256:a894fafc56dc7e09ac32953b6a4d876dc4af1454b67405838462958b33744d96"],"state_sha256":"470ca7b84cedecc49077f01717d507fe88d0b087b5eabb903f1b01bbe4fc25dc"}