{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:MMKTTQU3VQC5CJXQJSSEZRMVKY","short_pith_number":"pith:MMKTTQU3","schema_version":"1.0","canonical_sha256":"631539c29bac05d126f04ca44cc595561940466ff1d914e69eccdd25234819c3","source":{"kind":"arxiv","id":"2008.02941","version":2},"attestation_state":"computed","paper":{"title":"Exploring entanglement and optimization within the Hamiltonian Variational Ansatz","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el","cs.CC"],"primary_cat":"quant-ph","authors_text":"Cunlu Zhou, Henry Yuen, Juan Felipe Carrasquilla, Roeland Wiersema, Yong Baek Kim, Yvette de Sereville","submitted_at":"2020-08-07T01:28:26Z","abstract_excerpt":"Quantum variational algorithms are one of the most promising applications of near-term quantum computers; however, recent studies have demonstrated that unless the variational quantum circuits are configured in a problem-specific manner, optimization of such circuits will most likely fail. In this paper, we focus on a special family of quantum circuits called the Hamiltonian Variational Ansatz (HVA), which takes inspiration from the quantum approximation optimization algorithm and adiabatic quantum computation. Through the study of its entanglement spectrum and energy gradient statistics, we f"},"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":"2008.02941","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-08-07T01:28:26Z","cross_cats_sorted":["cond-mat.str-el","cs.CC"],"title_canon_sha256":"cd76cbbd136fc6c36bdf32c194213b894d51407f3c111145c917e85a52a8277f","abstract_canon_sha256":"4bd18f3f146791f4700fdbd3720cd7d59a6fd09ee35e5ab0813557433be7506e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:03:39.355023Z","signature_b64":"yrMsgzro8BLKNq8+qIQrnDmGM8rTVmdGgydDx1tRINq8f88AnyCZRL/g27asCE7D/ECAy0ttVJELL0AAIW6PAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"631539c29bac05d126f04ca44cc595561940466ff1d914e69eccdd25234819c3","last_reissued_at":"2026-07-05T02:03:39.354559Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:03:39.354559Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Exploring entanglement and optimization within the Hamiltonian Variational Ansatz","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el","cs.CC"],"primary_cat":"quant-ph","authors_text":"Cunlu Zhou, Henry Yuen, Juan Felipe Carrasquilla, Roeland Wiersema, Yong Baek Kim, Yvette de Sereville","submitted_at":"2020-08-07T01:28:26Z","abstract_excerpt":"Quantum variational algorithms are one of the most promising applications of near-term quantum computers; however, recent studies have demonstrated that unless the variational quantum circuits are configured in a problem-specific manner, optimization of such circuits will most likely fail. In this paper, we focus on a special family of quantum circuits called the Hamiltonian Variational Ansatz (HVA), which takes inspiration from the quantum approximation optimization algorithm and adiabatic quantum computation. Through the study of its entanglement spectrum and energy gradient statistics, we f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.02941","kind":"arxiv","version":2},"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/2008.02941/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":"2008.02941","created_at":"2026-07-05T02:03:39.354615+00:00"},{"alias_kind":"arxiv_version","alias_value":"2008.02941v2","created_at":"2026-07-05T02:03:39.354615+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.02941","created_at":"2026-07-05T02:03:39.354615+00:00"},{"alias_kind":"pith_short_12","alias_value":"MMKTTQU3VQC5","created_at":"2026-07-05T02:03:39.354615+00:00"},{"alias_kind":"pith_short_16","alias_value":"MMKTTQU3VQC5CJXQ","created_at":"2026-07-05T02:03:39.354615+00:00"},{"alias_kind":"pith_short_8","alias_value":"MMKTTQU3","created_at":"2026-07-05T02:03:39.354615+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.07084","citing_title":"Projector Quantum Variational Ansatz","ref_index":23,"is_internal_anchor":false},{"citing_arxiv_id":"2606.05719","citing_title":"Symmetries and overparametrization properties of Hamiltonian variational ansatzes for the $(1+1)$d $\\mathbb{Z}_2$ lattice gauge theory","ref_index":39,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/MMKTTQU3VQC5CJXQJSSEZRMVKY","json":"https://pith.science/pith/MMKTTQU3VQC5CJXQJSSEZRMVKY.json","graph_json":"https://pith.science/api/pith-number/MMKTTQU3VQC5CJXQJSSEZRMVKY/graph.json","events_json":"https://pith.science/api/pith-number/MMKTTQU3VQC5CJXQJSSEZRMVKY/events.json","paper":"https://pith.science/paper/MMKTTQU3"},"agent_actions":{"view_html":"https://pith.science/pith/MMKTTQU3VQC5CJXQJSSEZRMVKY","download_json":"https://pith.science/pith/MMKTTQU3VQC5CJXQJSSEZRMVKY.json","view_paper":"https://pith.science/paper/MMKTTQU3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2008.02941&json=true","fetch_graph":"https://pith.science/api/pith-number/MMKTTQU3VQC5CJXQJSSEZRMVKY/graph.json","fetch_events":"https://pith.science/api/pith-number/MMKTTQU3VQC5CJXQJSSEZRMVKY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MMKTTQU3VQC5CJXQJSSEZRMVKY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MMKTTQU3VQC5CJXQJSSEZRMVKY/action/storage_attestation","attest_author":"https://pith.science/pith/MMKTTQU3VQC5CJXQJSSEZRMVKY/action/author_attestation","sign_citation":"https://pith.science/pith/MMKTTQU3VQC5CJXQJSSEZRMVKY/action/citation_signature","submit_replication":"https://pith.science/pith/MMKTTQU3VQC5CJXQJSSEZRMVKY/action/replication_record"}},"created_at":"2026-07-05T02:03:39.354615+00:00","updated_at":"2026-07-05T02:03:39.354615+00:00"}