{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:ZRCCKFHUBJL3QG4SFX2JYILE23","short_pith_number":"pith:ZRCCKFHU","schema_version":"1.0","canonical_sha256":"cc442514f40a57b81b922df49c2164d6c4e7f93cf75e5c670bd86442c10d71ee","source":{"kind":"arxiv","id":"2204.00153","version":1},"attestation_state":"computed","paper":{"title":"An Ising machine based on networks of subharmonic electrical resonators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nlin.PS","authors_text":"A. V. Zampetaki, K. P. Kalinin, L. Q. English, N. G. Berloff, P. G. Kevrekidis","submitted_at":"2022-04-01T01:24:40Z","abstract_excerpt":"We explore a case example of networks of classical electronic oscillators evolving towards the solution of complex optimization problems. We show that when driven into subharmonic response, a network of such nonlinear electrical resonators can minimize the Ising Hamiltonian on non-trivial graphs such as antiferromagnetically coupled rewired-M{\\\"o}bius ladders. In this context, the spin-up and spin-down states of the Ising machine are represented by the oscillators' response at the even or odd driving cycles. Our experimental setting of driven nonlinear oscillators coupled via a programmable sw"},"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":"2204.00153","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.PS","submitted_at":"2022-04-01T01:24:40Z","cross_cats_sorted":[],"title_canon_sha256":"e7c30498d0708c0048ff4d06b6f87f38a8dbafb60d7e2e2dc497997e744f82fc","abstract_canon_sha256":"c961c15495bd58b24ebed012e95edeae3e8555dcadfad6956468f80cd1a095e9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:10:43.654325Z","signature_b64":"l7flqTbXxWOlRZCdMV9PvEkZrZxDDTf8YKokEuwDIHmg0ECq+pRD0qKPtIZVWrmuZ3DzIgVSIfhMlj8ai8oJAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cc442514f40a57b81b922df49c2164d6c4e7f93cf75e5c670bd86442c10d71ee","last_reissued_at":"2026-07-05T04:10:43.653877Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:10:43.653877Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"An Ising machine based on networks of subharmonic electrical resonators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nlin.PS","authors_text":"A. V. Zampetaki, K. P. Kalinin, L. Q. English, N. G. Berloff, P. G. Kevrekidis","submitted_at":"2022-04-01T01:24:40Z","abstract_excerpt":"We explore a case example of networks of classical electronic oscillators evolving towards the solution of complex optimization problems. We show that when driven into subharmonic response, a network of such nonlinear electrical resonators can minimize the Ising Hamiltonian on non-trivial graphs such as antiferromagnetically coupled rewired-M{\\\"o}bius ladders. In this context, the spin-up and spin-down states of the Ising machine are represented by the oscillators' response at the even or odd driving cycles. Our experimental setting of driven nonlinear oscillators coupled via a programmable sw"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.00153","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/2204.00153/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":"2204.00153","created_at":"2026-07-05T04:10:43.653939+00:00"},{"alias_kind":"arxiv_version","alias_value":"2204.00153v1","created_at":"2026-07-05T04:10:43.653939+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.00153","created_at":"2026-07-05T04:10:43.653939+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZRCCKFHUBJL3","created_at":"2026-07-05T04:10:43.653939+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZRCCKFHUBJL3QG4S","created_at":"2026-07-05T04:10:43.653939+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZRCCKFHU","created_at":"2026-07-05T04:10:43.653939+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/ZRCCKFHUBJL3QG4SFX2JYILE23","json":"https://pith.science/pith/ZRCCKFHUBJL3QG4SFX2JYILE23.json","graph_json":"https://pith.science/api/pith-number/ZRCCKFHUBJL3QG4SFX2JYILE23/graph.json","events_json":"https://pith.science/api/pith-number/ZRCCKFHUBJL3QG4SFX2JYILE23/events.json","paper":"https://pith.science/paper/ZRCCKFHU"},"agent_actions":{"view_html":"https://pith.science/pith/ZRCCKFHUBJL3QG4SFX2JYILE23","download_json":"https://pith.science/pith/ZRCCKFHUBJL3QG4SFX2JYILE23.json","view_paper":"https://pith.science/paper/ZRCCKFHU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2204.00153&json=true","fetch_graph":"https://pith.science/api/pith-number/ZRCCKFHUBJL3QG4SFX2JYILE23/graph.json","fetch_events":"https://pith.science/api/pith-number/ZRCCKFHUBJL3QG4SFX2JYILE23/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZRCCKFHUBJL3QG4SFX2JYILE23/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZRCCKFHUBJL3QG4SFX2JYILE23/action/storage_attestation","attest_author":"https://pith.science/pith/ZRCCKFHUBJL3QG4SFX2JYILE23/action/author_attestation","sign_citation":"https://pith.science/pith/ZRCCKFHUBJL3QG4SFX2JYILE23/action/citation_signature","submit_replication":"https://pith.science/pith/ZRCCKFHUBJL3QG4SFX2JYILE23/action/replication_record"}},"created_at":"2026-07-05T04:10:43.653939+00:00","updated_at":"2026-07-05T04:10:43.653939+00:00"}