{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:676WDFRMDPZTQJWE4HW5VL7M7L","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":"cf4db645713b678219948e6bde9727606dd0b762c21f92d4f13426cfcab5905a","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-11-08T19:19:17Z","title_canon_sha256":"20e8e4706155c3d3c8332e8ee172351eb62bb6867ccaab09de6a20f9a2455a85"},"schema_version":"1.0","source":{"id":"1211.1950","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.1950","created_at":"2026-05-18T03:21:33Z"},{"alias_kind":"arxiv_version","alias_value":"1211.1950v3","created_at":"2026-05-18T03:21:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.1950","created_at":"2026-05-18T03:21:33Z"},{"alias_kind":"pith_short_12","alias_value":"676WDFRMDPZT","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"676WDFRMDPZTQJWE","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"676WDFRM","created_at":"2026-05-18T12:26:56Z"}],"graph_snapshots":[{"event_id":"sha256:281ebd7f64398ab2e43d8cfa8c9112c983e55a04f9e739ffd225465162b5766f","target":"graph","created_at":"2026-05-18T03:21:33Z","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":"We demonstrate a fully cryogenic microwave feedback network composed of modular superconducting devices connected by transmission lines and designed to control a mechanical oscillator coupled to one of the devices. The network features an electromechanical device and a tunable controller that coherently receives, processes and feeds back continuous microwave signals that modify the dynamics and readout of the mechanical state. While previous electromechanical systems represent some compromise between efficient control and efficient readout of the mechanical state, as set by the electromagnetic","authors_text":"H. S. Ku, Joseph Kerckhoff, Katarina Cicak, K. W. Lehnert, Raymond W. Simmonds, Reed W. Andrews, William F. Kindel","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-11-08T19:19:17Z","title":"Tunable coupling to a mechanical oscillator circuit using a coherent feedback network"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.1950","kind":"arxiv","version":3},"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":"sha256:8c8627463db1be8b0b03d6f4d363bd2f2225483d8b8f8fe4603fd40d8436778b","target":"record","created_at":"2026-05-18T03:21:33Z","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":"cf4db645713b678219948e6bde9727606dd0b762c21f92d4f13426cfcab5905a","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-11-08T19:19:17Z","title_canon_sha256":"20e8e4706155c3d3c8332e8ee172351eb62bb6867ccaab09de6a20f9a2455a85"},"schema_version":"1.0","source":{"id":"1211.1950","kind":"arxiv","version":3}},"canonical_sha256":"f7fd61962c1bf33826c4e1eddaafecfad8b23c004dd1ee7592818a21f060de51","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f7fd61962c1bf33826c4e1eddaafecfad8b23c004dd1ee7592818a21f060de51","first_computed_at":"2026-05-18T03:21:33.594978Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:21:33.594978Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mwzLXFDYLxLnElAKsbggw/XpjaF6dtdwCarm7efwR3iKGq/OU3Mbw/Q9lnDf3ObycssRZKhg2bsWXJo3/R9oAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:21:33.595623Z","signed_message":"canonical_sha256_bytes"},"source_id":"1211.1950","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8c8627463db1be8b0b03d6f4d363bd2f2225483d8b8f8fe4603fd40d8436778b","sha256:281ebd7f64398ab2e43d8cfa8c9112c983e55a04f9e739ffd225465162b5766f"],"state_sha256":"e7de1ebaa4226dca2e902f669b4656e1e7762f198327452ba1eaaaf9eda112f2"}