{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:ASD2SXKT3MDO3RWMEAM5VLNDDT","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":"72f23ae54b5d69403451477df9e32ce03a696553b8ae582e51612b66f5920cc9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-10-12T10:24:33Z","title_canon_sha256":"914f3ae2f51e7dc4fe87b87f63152a33a01fdf9faf3a83781952b51106d7b127"},"schema_version":"1.0","source":{"id":"1510.03211","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.03211","created_at":"2026-05-18T00:39:48Z"},{"alias_kind":"arxiv_version","alias_value":"1510.03211v2","created_at":"2026-05-18T00:39:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.03211","created_at":"2026-05-18T00:39:48Z"},{"alias_kind":"pith_short_12","alias_value":"ASD2SXKT3MDO","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"ASD2SXKT3MDO3RWM","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"ASD2SXKT","created_at":"2026-05-18T12:29:10Z"}],"graph_snapshots":[{"event_id":"sha256:989d83468987be598941dec555039b7df970a51971bfa8dfd0160ee9d13bac3a","target":"graph","created_at":"2026-05-18T00:39:48Z","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 derive a family of stochastic master equations describing homodyne measurement of multi-qubit diagonal observables in circuit quantum electrodynamics. In the regime where qubit decay can be neglected, our approach replaces the polaron-like transformation of previous work, which required a lengthy calculation for the physically interesting case of three qubits and two resonator modes. The technique introduced here makes this calculation straightforward and manifestly correct. Using this technique, we are able to show that registers larger than one qubit evolve under a non-Markovian master eq","authors_text":"Alessandro Ciani, Ben Criger, David P. DiVincenzo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-10-12T10:24:33Z","title":"Multi-Qubit Joint Measurements in Circuit QED: Stochastic Master Equation Analysis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.03211","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":"sha256:6f9d09e08d64f2bc1c97680a57834954429b43a3a4b563ae9a3497a775209d96","target":"record","created_at":"2026-05-18T00:39:48Z","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":"72f23ae54b5d69403451477df9e32ce03a696553b8ae582e51612b66f5920cc9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-10-12T10:24:33Z","title_canon_sha256":"914f3ae2f51e7dc4fe87b87f63152a33a01fdf9faf3a83781952b51106d7b127"},"schema_version":"1.0","source":{"id":"1510.03211","kind":"arxiv","version":2}},"canonical_sha256":"0487a95d53db06edc6cc2019daada31cc9a10efffeb38c83402d891069d39d2f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0487a95d53db06edc6cc2019daada31cc9a10efffeb38c83402d891069d39d2f","first_computed_at":"2026-05-18T00:39:48.117198Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:39:48.117198Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QKwSviT15TV0+WXxug0+1cdlNfrsKzDbDQyQTc3AbQeALWpgJs3XoYEtgNO9DfMeslZSyOxW+PEFzyNMY7UYDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:39:48.118014Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.03211","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6f9d09e08d64f2bc1c97680a57834954429b43a3a4b563ae9a3497a775209d96","sha256:989d83468987be598941dec555039b7df970a51971bfa8dfd0160ee9d13bac3a"],"state_sha256":"599f1ca61994e6aae9d7d0232d038b177764cee8b45083dea91661facd5e2f88"}