{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:U3YUY6C7RUQC4WM5YGF6IEIQ4A","short_pith_number":"pith:U3YUY6C7","schema_version":"1.0","canonical_sha256":"a6f14c785f8d202e599dc18be41110e00c83aa607c4269235ebca01cf5a91155","source":{"kind":"arxiv","id":"2306.12053","version":3},"attestation_state":"computed","paper":{"title":"Towards chemical accuracy with shallow quantum circuits: A Clifford-based Hamiltonian engineering approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph"],"primary_cat":"quant-ph","authors_text":"Jiace Sun, Lixue Cheng, Weitang Li","submitted_at":"2023-06-21T06:49:56Z","abstract_excerpt":"Achieving chemical accuracy with shallow quantum circuits is a significant challenge in quantum computational chemistry, particularly for near-term quantum devices. In this work, we present a Clifford-based Hamiltonian engineering algorithm, namely CHEM, that addresses the trade-off between circuit depth and accuracy. Based on variational quantum eigensolver and hardware-efficient ansatz, our method designs Clifford-based Hamiltonian transformation that (1) ensures a set of initial circuit parameters corresponding to the Hartree--Fock energy can be generated, (2) effectively maximizes the init"},"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":"2306.12053","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-06-21T06:49:56Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"924424fecd66a20afb15928fdfe2eb56b74a7262bb08a76a03cddd5e1ed7291a","abstract_canon_sha256":"3d52e3e7b887663717b0136024c0b538ce9b9c6ac1c68fe35780afc0f425799a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:30:50.197765Z","signature_b64":"NXLvbNXwadC1cUNevGtEvTlfZfJUlcqY2X7WiyziR92MKqGdl/AE195wGVTPljlhpcjMCXVWo+MwV2oELRmvAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a6f14c785f8d202e599dc18be41110e00c83aa607c4269235ebca01cf5a91155","last_reissued_at":"2026-07-05T07:30:50.197385Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:30:50.197385Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Towards chemical accuracy with shallow quantum circuits: A Clifford-based Hamiltonian engineering approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph"],"primary_cat":"quant-ph","authors_text":"Jiace Sun, Lixue Cheng, Weitang Li","submitted_at":"2023-06-21T06:49:56Z","abstract_excerpt":"Achieving chemical accuracy with shallow quantum circuits is a significant challenge in quantum computational chemistry, particularly for near-term quantum devices. In this work, we present a Clifford-based Hamiltonian engineering algorithm, namely CHEM, that addresses the trade-off between circuit depth and accuracy. Based on variational quantum eigensolver and hardware-efficient ansatz, our method designs Clifford-based Hamiltonian transformation that (1) ensures a set of initial circuit parameters corresponding to the Hartree--Fock energy can be generated, (2) effectively maximizes the init"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.12053","kind":"arxiv","version":3},"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/2306.12053/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":"2306.12053","created_at":"2026-07-05T07:30:50.197438+00:00"},{"alias_kind":"arxiv_version","alias_value":"2306.12053v3","created_at":"2026-07-05T07:30:50.197438+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.12053","created_at":"2026-07-05T07:30:50.197438+00:00"},{"alias_kind":"pith_short_12","alias_value":"U3YUY6C7RUQC","created_at":"2026-07-05T07:30:50.197438+00:00"},{"alias_kind":"pith_short_16","alias_value":"U3YUY6C7RUQC4WM5","created_at":"2026-07-05T07:30:50.197438+00:00"},{"alias_kind":"pith_short_8","alias_value":"U3YUY6C7","created_at":"2026-07-05T07:30:50.197438+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/U3YUY6C7RUQC4WM5YGF6IEIQ4A","json":"https://pith.science/pith/U3YUY6C7RUQC4WM5YGF6IEIQ4A.json","graph_json":"https://pith.science/api/pith-number/U3YUY6C7RUQC4WM5YGF6IEIQ4A/graph.json","events_json":"https://pith.science/api/pith-number/U3YUY6C7RUQC4WM5YGF6IEIQ4A/events.json","paper":"https://pith.science/paper/U3YUY6C7"},"agent_actions":{"view_html":"https://pith.science/pith/U3YUY6C7RUQC4WM5YGF6IEIQ4A","download_json":"https://pith.science/pith/U3YUY6C7RUQC4WM5YGF6IEIQ4A.json","view_paper":"https://pith.science/paper/U3YUY6C7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2306.12053&json=true","fetch_graph":"https://pith.science/api/pith-number/U3YUY6C7RUQC4WM5YGF6IEIQ4A/graph.json","fetch_events":"https://pith.science/api/pith-number/U3YUY6C7RUQC4WM5YGF6IEIQ4A/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/U3YUY6C7RUQC4WM5YGF6IEIQ4A/action/timestamp_anchor","attest_storage":"https://pith.science/pith/U3YUY6C7RUQC4WM5YGF6IEIQ4A/action/storage_attestation","attest_author":"https://pith.science/pith/U3YUY6C7RUQC4WM5YGF6IEIQ4A/action/author_attestation","sign_citation":"https://pith.science/pith/U3YUY6C7RUQC4WM5YGF6IEIQ4A/action/citation_signature","submit_replication":"https://pith.science/pith/U3YUY6C7RUQC4WM5YGF6IEIQ4A/action/replication_record"}},"created_at":"2026-07-05T07:30:50.197438+00:00","updated_at":"2026-07-05T07:30:50.197438+00:00"}