{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:6NLVI2HCUGTTIYJNIDKRKJEFEW","short_pith_number":"pith:6NLVI2HC","schema_version":"1.0","canonical_sha256":"f3575468e2a1a734612d40d515248525bd40496a006176c338e18337d10c0146","source":{"kind":"arxiv","id":"2404.12731","version":1},"attestation_state":"computed","paper":{"title":"Near-Quantum-limited Haloscope Detection of Dark Photon Dark Matter Enhanced by a High-Q Superconducting Cavit","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"hep-ex","authors_text":"Jiangfeng Du, Jingwei Zhou, Man Jiao, Runqi Kang, Xing Rong, Yang Liu, Yi-Fu Cai, Youpeng Zhong, Yu Tong","submitted_at":"2024-04-19T09:25:31Z","abstract_excerpt":"We report new experimental results on the search for dark photons based on a near-quantum-limited haloscope equipped with a superconducting cavity. The loaded quality factor of the superconducting cavity is $6\\times10^{5}$, so that the expected signal from dark photon dark matter can be enhanced by more than one order compared to a copper cavity. A Josephson parametric amplifier with a near-quantum-limited noise temperature has been utilized to minimize the noise during the search. Furthermore, a digital acquisition card based on field programmable gate arrays has been utilized to maximize dat"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2404.12731","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2024-04-19T09:25:31Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"7183ff6670b439fc4eaa5ad8235380bc298074069c8677e4adc6bb354e05bfbc","abstract_canon_sha256":"2bc645456ebc5b80074a598d1f1fc427c8c0a8abd438bc8f3ad0f7459994870c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:09:58.307759Z","signature_b64":"w+4Wc971v1jSj72bY0RAzLnpzmf07/Rzq4+3LILXIIURAtsfozXdAoHEps1eGpG+My4hau85FyR94SGItWcZDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f3575468e2a1a734612d40d515248525bd40496a006176c338e18337d10c0146","last_reissued_at":"2026-07-05T08:09:58.307227Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:09:58.307227Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Near-Quantum-limited Haloscope Detection of Dark Photon Dark Matter Enhanced by a High-Q Superconducting Cavit","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"hep-ex","authors_text":"Jiangfeng Du, Jingwei Zhou, Man Jiao, Runqi Kang, Xing Rong, Yang Liu, Yi-Fu Cai, Youpeng Zhong, Yu Tong","submitted_at":"2024-04-19T09:25:31Z","abstract_excerpt":"We report new experimental results on the search for dark photons based on a near-quantum-limited haloscope equipped with a superconducting cavity. The loaded quality factor of the superconducting cavity is $6\\times10^{5}$, so that the expected signal from dark photon dark matter can be enhanced by more than one order compared to a copper cavity. A Josephson parametric amplifier with a near-quantum-limited noise temperature has been utilized to minimize the noise during the search. Furthermore, a digital acquisition card based on field programmable gate arrays has been utilized to maximize dat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.12731","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2404.12731/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2404.12731","created_at":"2026-07-05T08:09:58.307287+00:00"},{"alias_kind":"arxiv_version","alias_value":"2404.12731v1","created_at":"2026-07-05T08:09:58.307287+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.12731","created_at":"2026-07-05T08:09:58.307287+00:00"},{"alias_kind":"pith_short_12","alias_value":"6NLVI2HCUGTT","created_at":"2026-07-05T08:09:58.307287+00:00"},{"alias_kind":"pith_short_16","alias_value":"6NLVI2HCUGTTIYJN","created_at":"2026-07-05T08:09:58.307287+00:00"},{"alias_kind":"pith_short_8","alias_value":"6NLVI2HC","created_at":"2026-07-05T08:09:58.307287+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2605.15820","citing_title":"A Near-Cutoff Waveguide Haloscope for sub-meV Dark Matter","ref_index":31,"is_internal_anchor":false},{"citing_arxiv_id":"2507.12860","citing_title":"Detecting dark matter using optically trapped Rydberg atom tweezer arrays","ref_index":58,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/6NLVI2HCUGTTIYJNIDKRKJEFEW","json":"https://pith.science/pith/6NLVI2HCUGTTIYJNIDKRKJEFEW.json","graph_json":"https://pith.science/api/pith-number/6NLVI2HCUGTTIYJNIDKRKJEFEW/graph.json","events_json":"https://pith.science/api/pith-number/6NLVI2HCUGTTIYJNIDKRKJEFEW/events.json","paper":"https://pith.science/paper/6NLVI2HC"},"agent_actions":{"view_html":"https://pith.science/pith/6NLVI2HCUGTTIYJNIDKRKJEFEW","download_json":"https://pith.science/pith/6NLVI2HCUGTTIYJNIDKRKJEFEW.json","view_paper":"https://pith.science/paper/6NLVI2HC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2404.12731&json=true","fetch_graph":"https://pith.science/api/pith-number/6NLVI2HCUGTTIYJNIDKRKJEFEW/graph.json","fetch_events":"https://pith.science/api/pith-number/6NLVI2HCUGTTIYJNIDKRKJEFEW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6NLVI2HCUGTTIYJNIDKRKJEFEW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6NLVI2HCUGTTIYJNIDKRKJEFEW/action/storage_attestation","attest_author":"https://pith.science/pith/6NLVI2HCUGTTIYJNIDKRKJEFEW/action/author_attestation","sign_citation":"https://pith.science/pith/6NLVI2HCUGTTIYJNIDKRKJEFEW/action/citation_signature","submit_replication":"https://pith.science/pith/6NLVI2HCUGTTIYJNIDKRKJEFEW/action/replication_record"}},"created_at":"2026-07-05T08:09:58.307287+00:00","updated_at":"2026-07-05T08:09:58.307287+00:00"}