{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:XVRTMBYKUDJI65OCEPZQEEYQ5U","short_pith_number":"pith:XVRTMBYK","schema_version":"1.0","canonical_sha256":"bd6336070aa0d28f75c223f3021310ed39920ae7a8dd9f797931fe291168308f","source":{"kind":"arxiv","id":"2307.13676","version":1},"attestation_state":"computed","paper":{"title":"A biased Ising model using two coupled Kerr parametric oscillators with external force","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"physics.class-ph","authors_text":"Alexander Eichler, Davide Pittilini, Filippo Miserocchi, Gabriel Margiani, Javier del Pino, Oded Zilberberg, Orjan Ameye, Pablo \\'Alvarez, Sathyanarayanan Raamamurthy","submitted_at":"2023-07-25T17:34:58Z","abstract_excerpt":"Networks of coupled Kerr parametric oscillators (KPOs) are a leading physical platform for analog solving of complex optimization problems. These systems are colloquially known as ``Ising machines''. We experimentally and theoretically study such a network under the influence of an external force. The force breaks the collective phase-parity symmetry of the system and competes with the intrinsic coupling in ordering the network configuration, similar to how a magnetic field biases an interacting spin ensemble. Specifically, we demonstrate how the force can be used to control the system, and hi"},"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":"2307.13676","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.class-ph","submitted_at":"2023-07-25T17:34:58Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"73ab675f098adf632c204431db90aa4cdf64051b601d7bee05111002c648a345","abstract_canon_sha256":"6aa9b24952550e9d9b85cbab4b1b5f991ce626e39517ddefb41a2228c6626c68"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:34:42.888630Z","signature_b64":"w1F2sql1VOVtDZdz4GLXT7PJKT26gBqCVYFCwWBWQxeLp4/PV5FFSOM+9lSXgjM+cgBXjCYXilpkP4pUMUyzDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bd6336070aa0d28f75c223f3021310ed39920ae7a8dd9f797931fe291168308f","last_reissued_at":"2026-07-05T06:34:42.888178Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:34:42.888178Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A biased Ising model using two coupled Kerr parametric oscillators with external force","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"physics.class-ph","authors_text":"Alexander Eichler, Davide Pittilini, Filippo Miserocchi, Gabriel Margiani, Javier del Pino, Oded Zilberberg, Orjan Ameye, Pablo \\'Alvarez, Sathyanarayanan Raamamurthy","submitted_at":"2023-07-25T17:34:58Z","abstract_excerpt":"Networks of coupled Kerr parametric oscillators (KPOs) are a leading physical platform for analog solving of complex optimization problems. These systems are colloquially known as ``Ising machines''. We experimentally and theoretically study such a network under the influence of an external force. The force breaks the collective phase-parity symmetry of the system and competes with the intrinsic coupling in ordering the network configuration, similar to how a magnetic field biases an interacting spin ensemble. Specifically, we demonstrate how the force can be used to control the system, and hi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.13676","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/2307.13676/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":"2307.13676","created_at":"2026-07-05T06:34:42.888242+00:00"},{"alias_kind":"arxiv_version","alias_value":"2307.13676v1","created_at":"2026-07-05T06:34:42.888242+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.13676","created_at":"2026-07-05T06:34:42.888242+00:00"},{"alias_kind":"pith_short_12","alias_value":"XVRTMBYKUDJI","created_at":"2026-07-05T06:34:42.888242+00:00"},{"alias_kind":"pith_short_16","alias_value":"XVRTMBYKUDJI65OC","created_at":"2026-07-05T06:34:42.888242+00:00"},{"alias_kind":"pith_short_8","alias_value":"XVRTMBYK","created_at":"2026-07-05T06:34:42.888242+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/XVRTMBYKUDJI65OCEPZQEEYQ5U","json":"https://pith.science/pith/XVRTMBYKUDJI65OCEPZQEEYQ5U.json","graph_json":"https://pith.science/api/pith-number/XVRTMBYKUDJI65OCEPZQEEYQ5U/graph.json","events_json":"https://pith.science/api/pith-number/XVRTMBYKUDJI65OCEPZQEEYQ5U/events.json","paper":"https://pith.science/paper/XVRTMBYK"},"agent_actions":{"view_html":"https://pith.science/pith/XVRTMBYKUDJI65OCEPZQEEYQ5U","download_json":"https://pith.science/pith/XVRTMBYKUDJI65OCEPZQEEYQ5U.json","view_paper":"https://pith.science/paper/XVRTMBYK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2307.13676&json=true","fetch_graph":"https://pith.science/api/pith-number/XVRTMBYKUDJI65OCEPZQEEYQ5U/graph.json","fetch_events":"https://pith.science/api/pith-number/XVRTMBYKUDJI65OCEPZQEEYQ5U/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XVRTMBYKUDJI65OCEPZQEEYQ5U/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XVRTMBYKUDJI65OCEPZQEEYQ5U/action/storage_attestation","attest_author":"https://pith.science/pith/XVRTMBYKUDJI65OCEPZQEEYQ5U/action/author_attestation","sign_citation":"https://pith.science/pith/XVRTMBYKUDJI65OCEPZQEEYQ5U/action/citation_signature","submit_replication":"https://pith.science/pith/XVRTMBYKUDJI65OCEPZQEEYQ5U/action/replication_record"}},"created_at":"2026-07-05T06:34:42.888242+00:00","updated_at":"2026-07-05T06:34:42.888242+00:00"}