{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:C7OQEGJ2F3RIUOTS3DKTJAAXAO","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":"b0ecee32ebeef2daa464a3927538b400e94894b498760feec5349f19cec8ac09","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-06-01T16:31:08Z","title_canon_sha256":"844009dc717d0a34eb02270f4a8f7ca5e9bd84fe82842affe7098bab09c01b8b"},"schema_version":"1.0","source":{"id":"1706.00376","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.00376","created_at":"2026-05-18T00:32:20Z"},{"alias_kind":"arxiv_version","alias_value":"1706.00376v2","created_at":"2026-05-18T00:32:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.00376","created_at":"2026-05-18T00:32:20Z"},{"alias_kind":"pith_short_12","alias_value":"C7OQEGJ2F3RI","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"C7OQEGJ2F3RIUOTS","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"C7OQEGJ2","created_at":"2026-05-18T12:31:10Z"}],"graph_snapshots":[{"event_id":"sha256:d157f24264d5bb898ac5b69eefccab578a9d79706e98b1af5b762b5e5cf61f91","target":"graph","created_at":"2026-05-18T00:32:20Z","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"},"paper":{"abstract_excerpt":"Nonreciprocal circuit elements form an integral part of modern measurement and communication systems. Mathematically they require breaking of time-reversal symmetry, typically achieved using magnetic materials and more recently using the quantum Hall effect, parametric permittivity modulation or Josephson nonlinearities. Here, we demonstrate an on-chip magnetic-free circulator based on reservoir engineered optomechanical interactions. Directional circulation is achieved with controlled phase-sensitive interference of six distinct electro-mechanical signal conversion paths. The presented circul","authors_text":"J. M. Fink, M. Kalaee, M. Peruzzo, M. Wulf, O. Painter, P. B. Dieterle, S. Barzanjeh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-06-01T16:31:08Z","title":"Mechanical On-Chip Microwave Circulator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.00376","kind":"arxiv","version":2},"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":"sha256:4a1f0a5fe1a01910e336f6c571c91c9be4e5373e7b8df272fb7b2ebebe1576f9","target":"record","created_at":"2026-05-18T00:32:20Z","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":"b0ecee32ebeef2daa464a3927538b400e94894b498760feec5349f19cec8ac09","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-06-01T16:31:08Z","title_canon_sha256":"844009dc717d0a34eb02270f4a8f7ca5e9bd84fe82842affe7098bab09c01b8b"},"schema_version":"1.0","source":{"id":"1706.00376","kind":"arxiv","version":2}},"canonical_sha256":"17dd02193a2ee28a3a72d8d534801703a9eb981a11bf8d6bce9970f687593c00","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"17dd02193a2ee28a3a72d8d534801703a9eb981a11bf8d6bce9970f687593c00","first_computed_at":"2026-05-18T00:32:20.461551Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:32:20.461551Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QqDXAGe452oCOzvJG2QYk48oW5visJb365kSf+shthXXq6ZcUHvslwlpjb2P7eYGMkYXS++6RyQqKWn62/cPBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:32:20.462133Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.00376","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4a1f0a5fe1a01910e336f6c571c91c9be4e5373e7b8df272fb7b2ebebe1576f9","sha256:d157f24264d5bb898ac5b69eefccab578a9d79706e98b1af5b762b5e5cf61f91"],"state_sha256":"ad3d8e6db8f7a86d60d72da6beb7f68dd4b7dd2782588c42599f87d5ca4d9758"}