{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:HHF5V52IMGHNIZMXYDUJSJBODQ","short_pith_number":"pith:HHF5V52I","schema_version":"1.0","canonical_sha256":"39cbdaf748618ed46597c0e899242e1c05d7e2e94d73a4b826e4c738afc4ce54","source":{"kind":"arxiv","id":"2108.01652","version":1},"attestation_state":"computed","paper":{"title":"Realization of arbitrary doubly-controlled quantum phase gates","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Alexander D. Hill, Mark J. Hodson, Matthew J. Reagor, Nicolas Didier","submitted_at":"2021-08-03T17:49:09Z","abstract_excerpt":"Developing quantum computers for real-world applications requires understanding theoretical sources of quantum advantage and applying those insights to design more powerful machines. Toward that end, we introduce a high-fidelity gate set inspired by a proposal for near-term quantum advantage in optimization problems. By orchestrating coherent, multi-level control over three transmon qutrits, we synthesize a family of deterministic, continuous-angle quantum phase gates acting in the natural three-qubit computational basis (CCPHASE$(\\theta)$). We estimate the process fidelity for this scheme via"},"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":"2108.01652","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-08-03T17:49:09Z","cross_cats_sorted":[],"title_canon_sha256":"97f6f51181d19f5f5c01393852549ee3eec661f6d530a850a56ee89a7bda173e","abstract_canon_sha256":"2999c3e027330c2d0c68e4c87fe1866056174417048ab4ffc827bdfb717b06ab"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:03:04.982439Z","signature_b64":"cnL1On3EOC4lmaTeOuKQxKzAFJ8HVwEIDwVWHdTRNXuY+KfZo97GYmfDHjzvBPAoOnfg5DTPi3ayyLFddWriDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"39cbdaf748618ed46597c0e899242e1c05d7e2e94d73a4b826e4c738afc4ce54","last_reissued_at":"2026-07-05T03:03:04.981956Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:03:04.981956Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Realization of arbitrary doubly-controlled quantum phase gates","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Alexander D. Hill, Mark J. Hodson, Matthew J. Reagor, Nicolas Didier","submitted_at":"2021-08-03T17:49:09Z","abstract_excerpt":"Developing quantum computers for real-world applications requires understanding theoretical sources of quantum advantage and applying those insights to design more powerful machines. Toward that end, we introduce a high-fidelity gate set inspired by a proposal for near-term quantum advantage in optimization problems. By orchestrating coherent, multi-level control over three transmon qutrits, we synthesize a family of deterministic, continuous-angle quantum phase gates acting in the natural three-qubit computational basis (CCPHASE$(\\theta)$). We estimate the process fidelity for this scheme via"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.01652","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/2108.01652/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":"2108.01652","created_at":"2026-07-05T03:03:04.982027+00:00"},{"alias_kind":"arxiv_version","alias_value":"2108.01652v1","created_at":"2026-07-05T03:03:04.982027+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.01652","created_at":"2026-07-05T03:03:04.982027+00:00"},{"alias_kind":"pith_short_12","alias_value":"HHF5V52IMGHN","created_at":"2026-07-05T03:03:04.982027+00:00"},{"alias_kind":"pith_short_16","alias_value":"HHF5V52IMGHNIZMX","created_at":"2026-07-05T03:03:04.982027+00:00"},{"alias_kind":"pith_short_8","alias_value":"HHF5V52I","created_at":"2026-07-05T03:03:04.982027+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2607.01180","citing_title":"Non-Clifford Benchmarking via Ensemble Feature Selection","ref_index":12,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/HHF5V52IMGHNIZMXYDUJSJBODQ","json":"https://pith.science/pith/HHF5V52IMGHNIZMXYDUJSJBODQ.json","graph_json":"https://pith.science/api/pith-number/HHF5V52IMGHNIZMXYDUJSJBODQ/graph.json","events_json":"https://pith.science/api/pith-number/HHF5V52IMGHNIZMXYDUJSJBODQ/events.json","paper":"https://pith.science/paper/HHF5V52I"},"agent_actions":{"view_html":"https://pith.science/pith/HHF5V52IMGHNIZMXYDUJSJBODQ","download_json":"https://pith.science/pith/HHF5V52IMGHNIZMXYDUJSJBODQ.json","view_paper":"https://pith.science/paper/HHF5V52I","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2108.01652&json=true","fetch_graph":"https://pith.science/api/pith-number/HHF5V52IMGHNIZMXYDUJSJBODQ/graph.json","fetch_events":"https://pith.science/api/pith-number/HHF5V52IMGHNIZMXYDUJSJBODQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HHF5V52IMGHNIZMXYDUJSJBODQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HHF5V52IMGHNIZMXYDUJSJBODQ/action/storage_attestation","attest_author":"https://pith.science/pith/HHF5V52IMGHNIZMXYDUJSJBODQ/action/author_attestation","sign_citation":"https://pith.science/pith/HHF5V52IMGHNIZMXYDUJSJBODQ/action/citation_signature","submit_replication":"https://pith.science/pith/HHF5V52IMGHNIZMXYDUJSJBODQ/action/replication_record"}},"created_at":"2026-07-05T03:03:04.982027+00:00","updated_at":"2026-07-05T03:03:04.982027+00:00"}