{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:NG5GOG5QKEF4ELUPMUZXQUOET3","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":"1b3988c6547fe12868da6cb3f79e8f3fe175df89cb353a5ea43eb58198ab92de","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-02-28T07:18:30Z","title_canon_sha256":"5b9c28da6886e6907868bea8304fabe18d3010fb685f5c710c01f070d385b370"},"schema_version":"1.0","source":{"id":"2502.20792","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.20792","created_at":"2026-07-05T10:30:31Z"},{"alias_kind":"arxiv_version","alias_value":"2502.20792v1","created_at":"2026-07-05T10:30:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.20792","created_at":"2026-07-05T10:30:31Z"},{"alias_kind":"pith_short_12","alias_value":"NG5GOG5QKEF4","created_at":"2026-07-05T10:30:31Z"},{"alias_kind":"pith_short_16","alias_value":"NG5GOG5QKEF4ELUP","created_at":"2026-07-05T10:30:31Z"},{"alias_kind":"pith_short_8","alias_value":"NG5GOG5Q","created_at":"2026-07-05T10:30:31Z"}],"graph_snapshots":[{"event_id":"sha256:08feb9f2087e7fced2238eeb1c98a820524022a0f3d08016a151fd161ce0a0a2","target":"graph","created_at":"2026-07-05T10:30:31Z","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/2502.20792/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"High-sensitivity measurements of the microwave electric field are important in applications of communication and metrology. \\replaced{The sensitivity of traditional Rydberg superheterodyne receivers in free space is effectively determined by the signal-to-noise ratio (SNR), which is often considered equivalent to sensitivity in practical sensing applications.}{The sensitivity of the traditional Rydberg superheterodyne receivers in free space is limited by signal-to-noise contrast.} In this work, we demonstrate a cavity-enhanced receiver, where an optical cavity significantly amplifies the inte","authors_text":"Gang Li, Jun He, Pengfei Yang, Pengfei Zhang, Qinxia Wang, Shijun Guan, Tiancai Zhang, Yuchi Zhang, Yukang Liang, Zhihui Wang","cross_cats":["physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-02-28T07:18:30Z","title":"Cavity-Enhanced Rydberg Atomic Superheterodyne Receiver"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.20792","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":"sha256:5508289bd6b4a5a9110182dc36f57f22650aea2f6ed08a22d71b1770b42607b8","target":"record","created_at":"2026-07-05T10:30:31Z","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":"1b3988c6547fe12868da6cb3f79e8f3fe175df89cb353a5ea43eb58198ab92de","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-02-28T07:18:30Z","title_canon_sha256":"5b9c28da6886e6907868bea8304fabe18d3010fb685f5c710c01f070d385b370"},"schema_version":"1.0","source":{"id":"2502.20792","kind":"arxiv","version":1}},"canonical_sha256":"69ba671bb0510bc22e8f65337851c49ee88ff95b19514c2288c7ef1abeec66d7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"69ba671bb0510bc22e8f65337851c49ee88ff95b19514c2288c7ef1abeec66d7","first_computed_at":"2026-07-05T10:30:31.723935Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:30:31.723935Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ULb6j6eE1sygVbRnni5kAtx/lDK3yPdVoc1lI6nvdXL7kwTPTtd/m2K2Pyoix55mmC/BVUq5tN6GtHb4lU4aDw==","signature_status":"signed_v1","signed_at":"2026-07-05T10:30:31.724432Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.20792","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5508289bd6b4a5a9110182dc36f57f22650aea2f6ed08a22d71b1770b42607b8","sha256:08feb9f2087e7fced2238eeb1c98a820524022a0f3d08016a151fd161ce0a0a2"],"state_sha256":"8d049de5c493df38957d63cd2e0986792a6e3d76846084f20b3109f8d1679238"}