{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:FQNIH7DJG65EOQM5VCOHRCZRNN","short_pith_number":"pith:FQNIH7DJ","schema_version":"1.0","canonical_sha256":"2c1a83fc6937ba47419da89c788b316b670084022996fbb97c0bf2e8ba8c0dca","source":{"kind":"arxiv","id":"2607.26480","version":1},"attestation_state":"computed","paper":{"title":"Feedback stabilization of multi-qubit Hamiltonian parameters enabled by single-shot measurement-based sequential Monte Carlo","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Davide Degli Esposti, Dohun Kim, Giordano Scappucci, Hanseo Sohn, Hyeongyu Jang, Jaemin Park, Jinwoong Kim, Lucas E. A. Stehouwer, Younguk Song","submitted_at":"2026-07-29T05:16:17Z","abstract_excerpt":"Fast measurement, signal processing, and accurate estimation of Hamiltonian parameters are essential for feedback control in quantum-classical interface circuitry. However, existing frequentist and Bayesian inference methods typically require a large number of measurements to achieve the accuracy needed to mitigate qubit decoherence. Consequently, feedback control of semiconductor qubits has largely been limited to single-qubit frequency stabilization, whereas two-qubit parameter stabilization remains experimentally unexplored. Here, we demonstrate a real-time feedback framework based on seque"},"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":"2607.26480","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"quant-ph","submitted_at":"2026-07-29T05:16:17Z","cross_cats_sorted":[],"title_canon_sha256":"27fc3b29d443a5f00d16d762d375489d6438a9661669360d8122c5b6acff07bd","abstract_canon_sha256":"a09605f2d6013e763433342e704dd13b91a41c5942901eade417fa6bdd35b2b9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2c1a83fc6937ba47419da89c788b316b670084022996fbb97c0bf2e8ba8c0dca","last_reissued_at":"2026-07-30T01:20:37.750236Z","signature_status":"unsigned_v0","first_computed_at":"2026-07-30T01:20:37.750236Z"},"graph_snapshot":{"paper":{"title":"Feedback stabilization of multi-qubit Hamiltonian parameters enabled by single-shot measurement-based sequential Monte Carlo","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Davide Degli Esposti, Dohun Kim, Giordano Scappucci, Hanseo Sohn, Hyeongyu Jang, Jaemin Park, Jinwoong Kim, Lucas E. A. Stehouwer, Younguk Song","submitted_at":"2026-07-29T05:16:17Z","abstract_excerpt":"Fast measurement, signal processing, and accurate estimation of Hamiltonian parameters are essential for feedback control in quantum-classical interface circuitry. However, existing frequentist and Bayesian inference methods typically require a large number of measurements to achieve the accuracy needed to mitigate qubit decoherence. Consequently, feedback control of semiconductor qubits has largely been limited to single-qubit frequency stabilization, whereas two-qubit parameter stabilization remains experimentally unexplored. Here, we demonstrate a real-time feedback framework based on seque"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.26480","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/2607.26480/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":"2607.26480","created_at":"2026-07-30T01:20:37.755847+00:00"},{"alias_kind":"arxiv_version","alias_value":"2607.26480v1","created_at":"2026-07-30T01:20:37.755847+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.26480","created_at":"2026-07-30T01:20:37.755847+00:00"},{"alias_kind":"pith_short_12","alias_value":"FQNIH7DJG65E","created_at":"2026-07-30T01:20:37.755847+00:00"},{"alias_kind":"pith_short_16","alias_value":"FQNIH7DJG65EOQM5","created_at":"2026-07-30T01:20:37.755847+00:00"},{"alias_kind":"pith_short_8","alias_value":"FQNIH7DJ","created_at":"2026-07-30T01:20:37.755847+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/FQNIH7DJG65EOQM5VCOHRCZRNN","json":"https://pith.science/pith/FQNIH7DJG65EOQM5VCOHRCZRNN.json","graph_json":"https://pith.science/api/pith-number/FQNIH7DJG65EOQM5VCOHRCZRNN/graph.json","events_json":"https://pith.science/api/pith-number/FQNIH7DJG65EOQM5VCOHRCZRNN/events.json","paper":"https://pith.science/paper/FQNIH7DJ"},"agent_actions":{"view_html":"https://pith.science/pith/FQNIH7DJG65EOQM5VCOHRCZRNN","download_json":"https://pith.science/pith/FQNIH7DJG65EOQM5VCOHRCZRNN.json","view_paper":"https://pith.science/paper/FQNIH7DJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2607.26480&json=true","fetch_graph":"https://pith.science/api/pith-number/FQNIH7DJG65EOQM5VCOHRCZRNN/graph.json","fetch_events":"https://pith.science/api/pith-number/FQNIH7DJG65EOQM5VCOHRCZRNN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FQNIH7DJG65EOQM5VCOHRCZRNN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FQNIH7DJG65EOQM5VCOHRCZRNN/action/storage_attestation","attest_author":"https://pith.science/pith/FQNIH7DJG65EOQM5VCOHRCZRNN/action/author_attestation","sign_citation":"https://pith.science/pith/FQNIH7DJG65EOQM5VCOHRCZRNN/action/citation_signature","submit_replication":"https://pith.science/pith/FQNIH7DJG65EOQM5VCOHRCZRNN/action/replication_record"}},"created_at":"2026-07-30T01:20:37.755847+00:00","updated_at":"2026-07-30T01:20:37.755847+00:00"}