{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:FAZNLZOOJX2TCIN4ETQG5BGHH4","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":"8a852ebd6ae7953e30571a8becb621ea6fe24400c86b8cffac414eb82dd082b1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-07-02T13:41:03Z","title_canon_sha256":"24690c3877137a4c3a9d912ac812779380f5415d98817c7fafc7e8f8afc20476"},"schema_version":"1.0","source":{"id":"1707.00289","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.00289","created_at":"2026-05-18T00:23:56Z"},{"alias_kind":"arxiv_version","alias_value":"1707.00289v1","created_at":"2026-05-18T00:23:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.00289","created_at":"2026-05-18T00:23:56Z"},{"alias_kind":"pith_short_12","alias_value":"FAZNLZOOJX2T","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_16","alias_value":"FAZNLZOOJX2TCIN4","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_8","alias_value":"FAZNLZOO","created_at":"2026-05-18T12:31:15Z"}],"graph_snapshots":[{"event_id":"sha256:c77aadfac88d5e558b998cd7ff7e36ce7525c00940188c9ba728dd58f22ae3f1","target":"graph","created_at":"2026-05-18T00:23:56Z","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":"We have designed efficient quantum circuits for the three-qubit Toffoli (controlled-controlled NOT) and the Fredkin (controlled-SWAP) gate, optimized via genetic programming methods. The gates thus obtained were experimentally implemented on a three-qubit NMR quantum information processor, with a high fidelity. Toffoli and Fredkin gates in conjunction with the single-qubit Hadamard gates form a universal gate set for quantum computing, and are an essential component of several quantum algorithms. Genetic algorithms are stochastic search algorithms based on the logic of natural selection and bi","authors_text":"Amit Devra, Arvind, Harpreet Singh, Kavita Dorai, Prithviraj Prabhu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-07-02T13:41:03Z","title":"Efficient experimental design of high-fidelity three-qubit quantum gates via genetic programming"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.00289","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":"sha256:915c0a900e7239ea3571f58da89717384152a7093c68b73bb87a63b98c653dfd","target":"record","created_at":"2026-05-18T00:23:56Z","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":"8a852ebd6ae7953e30571a8becb621ea6fe24400c86b8cffac414eb82dd082b1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-07-02T13:41:03Z","title_canon_sha256":"24690c3877137a4c3a9d912ac812779380f5415d98817c7fafc7e8f8afc20476"},"schema_version":"1.0","source":{"id":"1707.00289","kind":"arxiv","version":1}},"canonical_sha256":"2832d5e5ce4df53121bc24e06e84c73f35e8164055728475ab94d8d78f6cbfac","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2832d5e5ce4df53121bc24e06e84c73f35e8164055728475ab94d8d78f6cbfac","first_computed_at":"2026-05-18T00:23:56.390072Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:23:56.390072Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0vj7HhU8LpumhFO/XsnOzWbLxXLGWHx9HZebg73asytxzQOasam4euj49frV+fXHkwQeZHnbDPlx49qlBkGYDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:23:56.390828Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.00289","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:915c0a900e7239ea3571f58da89717384152a7093c68b73bb87a63b98c653dfd","sha256:c77aadfac88d5e558b998cd7ff7e36ce7525c00940188c9ba728dd58f22ae3f1"],"state_sha256":"dc724cbd61120009fa6047665573431a02473294ee4b46359b2631721f4b2017"}