{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:RPB2WTFBLIW2ITDG35ORHJUWT2","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"ea1ac57d2d0ce99926e526c476892f5d8613b2d84392aad9f8c86c8c6e47e032","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2024-11-24T23:04:46Z","title_canon_sha256":"fef640c7e614fd4e4ac67bdf45328fcabe6c54b8929f61fc15c3188cdcf7e230"},"schema_version":"1.0","source":{"id":"2411.16009","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.16009","created_at":"2026-07-05T09:40:02Z"},{"alias_kind":"arxiv_version","alias_value":"2411.16009v1","created_at":"2026-07-05T09:40:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.16009","created_at":"2026-07-05T09:40:02Z"},{"alias_kind":"pith_short_12","alias_value":"RPB2WTFBLIW2","created_at":"2026-07-05T09:40:02Z"},{"alias_kind":"pith_short_16","alias_value":"RPB2WTFBLIW2ITDG","created_at":"2026-07-05T09:40:02Z"},{"alias_kind":"pith_short_8","alias_value":"RPB2WTFB","created_at":"2026-07-05T09:40:02Z"}],"graph_snapshots":[{"event_id":"sha256:f6cea98bd51c6209bd80c83ecb911412c705f7a5dd3d32fb8722474d052ae78e","target":"graph","created_at":"2026-07-05T09:40:02Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2411.16009/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Time-multiplexed networks of degenerate optical parametric oscillators have demonstrated remarkable success in simulating coupled Ising spins, thus providing a promising route to solving complex combinatorial optimization problems. In these systems $\\unicode{x2014}$ referred to as coherent Ising machines $\\unicode{x2014}$ the spins are encoded in the phases of the oscillators, and spin states are measured at the system output using phase-sensitive techniques. Here, we present an experimental demonstration of a conceptually new optical Ising machine based upon spontaneous polarization symmetry ","authors_text":"Gian-Luca Oppo, Julien Fatome, Liam Quinn, Miro Erkintalo, St\\'ephane Coen, Stuart G. Murdoch, Yiqing Xu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2024-11-24T23:04:46Z","title":"Coherent Ising Machine Based on Polarization Symmetry Breaking in a Driven Kerr Resonator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.16009","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:a38f5fe2465eed5aeddc858c9acbdc3d71dc289cd7105b8c7d6c441a1112803a","target":"record","created_at":"2026-07-05T09:40:02Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"ea1ac57d2d0ce99926e526c476892f5d8613b2d84392aad9f8c86c8c6e47e032","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2024-11-24T23:04:46Z","title_canon_sha256":"fef640c7e614fd4e4ac67bdf45328fcabe6c54b8929f61fc15c3188cdcf7e230"},"schema_version":"1.0","source":{"id":"2411.16009","kind":"arxiv","version":1}},"canonical_sha256":"8bc3ab4ca15a2da44c66df5d13a6969e8ced584d4e7cf9d7c2271200736ccd3c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8bc3ab4ca15a2da44c66df5d13a6969e8ced584d4e7cf9d7c2271200736ccd3c","first_computed_at":"2026-07-05T09:40:02.470093Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:40:02.470093Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fYHTUTpQxZlSgw2XGfuF2rSy0hCsXGDWXutHWUSS4vva0q7tj2gRBiNMUHv6bSdFZkfVa4Gi9Gryjt4Y6FEMBg==","signature_status":"signed_v1","signed_at":"2026-07-05T09:40:02.470616Z","signed_message":"canonical_sha256_bytes"},"source_id":"2411.16009","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a38f5fe2465eed5aeddc858c9acbdc3d71dc289cd7105b8c7d6c441a1112803a","sha256:f6cea98bd51c6209bd80c83ecb911412c705f7a5dd3d32fb8722474d052ae78e"],"state_sha256":"91c0aad647eae004691dea649c91fe5026763fc75744e2ea1dde8799c53d7c7c"}