{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:X7TMXV6G2B4UYBLFRFQYMTCIG2","short_pith_number":"pith:X7TMXV6G","schema_version":"1.0","canonical_sha256":"bfe6cbd7c6d0794c05658961864c48368b86c26cce28aeb1da9c1026de6aa8e1","source":{"kind":"arxiv","id":"2603.13020","version":2},"attestation_state":"computed","paper":{"title":"Constraint-native quantum control for fidelity--complexity trade-offs with inexact proximal ADMM","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"quant-ph","authors_text":"Ziwen Song","submitted_at":"2026-03-13T14:27:40Z","abstract_excerpt":"Quantum-control pulses are often optimised for nominal fidelity before waveform constraints are imposed. This sequence can conceal the fidelity cost of producing smooth, band-limited, and amplitude-admissible controls. Here, we evaluate a constraint-native alternative based on inexact proximal alternating-direction updates. The formulation combines gate-infidelity minimisation with amplitude bounds, Fourier-domain bandwidth projection, amplitude sparsity, and total-variation regularisation. We compare it with GRAPE, standard Krotov optimisation, and L-BFGS-B on a single-qubit gate, a leakage-p"},"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":"2603.13020","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-03-13T14:27:40Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"3b56cad8a9d152485f911f5b4057edaae9bfd3460e5e3e399b63defdf972ef77","abstract_canon_sha256":"848ebd0ed340552eba01d069ad77699db26b9e575fdf6820d90bc5fb5bba0c53"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-14T01:20:01.350954Z","signature_b64":"P+5UuKdaEIU7URDAWDZrlGflufhFKAzRZIHwRA6CGvSpWbMzomfQ2gxaj/mAPRr+p69S04wGWtghCQNDsjUNCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bfe6cbd7c6d0794c05658961864c48368b86c26cce28aeb1da9c1026de6aa8e1","last_reissued_at":"2026-07-14T01:20:01.350095Z","signature_status":"signed_v1","first_computed_at":"2026-07-14T01:20:01.350095Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Constraint-native quantum control for fidelity--complexity trade-offs with inexact proximal ADMM","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"quant-ph","authors_text":"Ziwen Song","submitted_at":"2026-03-13T14:27:40Z","abstract_excerpt":"Quantum-control pulses are often optimised for nominal fidelity before waveform constraints are imposed. This sequence can conceal the fidelity cost of producing smooth, band-limited, and amplitude-admissible controls. Here, we evaluate a constraint-native alternative based on inexact proximal alternating-direction updates. The formulation combines gate-infidelity minimisation with amplitude bounds, Fourier-domain bandwidth projection, amplitude sparsity, and total-variation regularisation. We compare it with GRAPE, standard Krotov optimisation, and L-BFGS-B on a single-qubit gate, a leakage-p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2603.13020","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/2603.13020/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":"2603.13020","created_at":"2026-07-14T01:20:01.350548+00:00"},{"alias_kind":"arxiv_version","alias_value":"2603.13020v2","created_at":"2026-07-14T01:20:01.350548+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2603.13020","created_at":"2026-07-14T01:20:01.350548+00:00"},{"alias_kind":"pith_short_12","alias_value":"X7TMXV6G2B4U","created_at":"2026-07-14T01:20:01.350548+00:00"},{"alias_kind":"pith_short_16","alias_value":"X7TMXV6G2B4UYBLF","created_at":"2026-07-14T01:20:01.350548+00:00"},{"alias_kind":"pith_short_8","alias_value":"X7TMXV6G","created_at":"2026-07-14T01:20:01.350548+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/X7TMXV6G2B4UYBLFRFQYMTCIG2","json":"https://pith.science/pith/X7TMXV6G2B4UYBLFRFQYMTCIG2.json","graph_json":"https://pith.science/api/pith-number/X7TMXV6G2B4UYBLFRFQYMTCIG2/graph.json","events_json":"https://pith.science/api/pith-number/X7TMXV6G2B4UYBLFRFQYMTCIG2/events.json","paper":"https://pith.science/paper/X7TMXV6G"},"agent_actions":{"view_html":"https://pith.science/pith/X7TMXV6G2B4UYBLFRFQYMTCIG2","download_json":"https://pith.science/pith/X7TMXV6G2B4UYBLFRFQYMTCIG2.json","view_paper":"https://pith.science/paper/X7TMXV6G","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2603.13020&json=true","fetch_graph":"https://pith.science/api/pith-number/X7TMXV6G2B4UYBLFRFQYMTCIG2/graph.json","fetch_events":"https://pith.science/api/pith-number/X7TMXV6G2B4UYBLFRFQYMTCIG2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/X7TMXV6G2B4UYBLFRFQYMTCIG2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/X7TMXV6G2B4UYBLFRFQYMTCIG2/action/storage_attestation","attest_author":"https://pith.science/pith/X7TMXV6G2B4UYBLFRFQYMTCIG2/action/author_attestation","sign_citation":"https://pith.science/pith/X7TMXV6G2B4UYBLFRFQYMTCIG2/action/citation_signature","submit_replication":"https://pith.science/pith/X7TMXV6G2B4UYBLFRFQYMTCIG2/action/replication_record"}},"created_at":"2026-07-14T01:20:01.350548+00:00","updated_at":"2026-07-14T01:20:01.350548+00:00"}