{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:DW5DRAXQL7AMBYY7RDKDBGDJVG","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":"41e3c37317cfe7c50ece4ad544699a12762aec07c48ad0d537681e03a5914811","cross_cats_sorted":["hep-ex","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-04-06T15:44:23Z","title_canon_sha256":"e6bbab28646ba737bf46aa821575a883ed4f6a1eb6a980dea6ac3a02181a8959"},"schema_version":"1.0","source":{"id":"2004.02754","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.02754","created_at":"2026-07-05T01:38:17Z"},{"alias_kind":"arxiv_version","alias_value":"2004.02754v3","created_at":"2026-07-05T01:38:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.02754","created_at":"2026-07-05T01:38:17Z"},{"alias_kind":"pith_short_12","alias_value":"DW5DRAXQL7AM","created_at":"2026-07-05T01:38:17Z"},{"alias_kind":"pith_short_16","alias_value":"DW5DRAXQL7AMBYY7","created_at":"2026-07-05T01:38:17Z"},{"alias_kind":"pith_short_8","alias_value":"DW5DRAXQ","created_at":"2026-07-05T01:38:17Z"}],"graph_snapshots":[{"event_id":"sha256:85682316ad17bc7afd2d841256c4c05d3d3a6ed82fa3acf6b0ae8ae37479df2d","target":"graph","created_at":"2026-07-05T01:38:17Z","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/2004.02754/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The realization and characterization of a high quality factor resonator composed of two hollow-dielectric cylinders with its pseudo-TM$_{030}$ mode resonating at 10.9 GHz frequency is discussed. The quality factor was measured at the temperatures 300 K and 4 K obtaining $\\mbox{Q}_{300\\mbox{K}}=(150,000\\pm 2,000)$ and $\\mbox{Q}_{4\\mbox{K}}=(720,000\\pm 10,000)$respectively, the latter corresponding to a gain of one order of magnitude with respect to a traditional copper cylindrical-cavity with the corresponding TM$_{010}$ mode resonating at the same frequency. The implications to dark-matter axi","authors_text":"A. Lombardi, A. Ortolan, A. Rettaroli, C. Braggio, C. Gatti, C. Ligi, C. Pira, D. Alesini, D. D' Agostino, D. Di Gioacchino, G. Carugno, G. Iannone, G. Maccarrone, G. Ruoso, L. Taffarello, N. Crescini, P. Falferi, R. Di Vora, R. Pengo, S. Tocci, U. Gambardella","cross_cats":["hep-ex","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-04-06T15:44:23Z","title":"Realization of a high quality factor resonator with hollow dielectric cylinders for axion searches"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.02754","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:b1bad2593a581d757270da68fd9f7e3ae06939b5320766abbe8cafac83fb83c3","target":"record","created_at":"2026-07-05T01:38:17Z","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":"41e3c37317cfe7c50ece4ad544699a12762aec07c48ad0d537681e03a5914811","cross_cats_sorted":["hep-ex","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-04-06T15:44:23Z","title_canon_sha256":"e6bbab28646ba737bf46aa821575a883ed4f6a1eb6a980dea6ac3a02181a8959"},"schema_version":"1.0","source":{"id":"2004.02754","kind":"arxiv","version":3}},"canonical_sha256":"1dba3882f05fc0c0e31f88d4309869a9bd226e3be552b58ba5842e59a1304fa8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1dba3882f05fc0c0e31f88d4309869a9bd226e3be552b58ba5842e59a1304fa8","first_computed_at":"2026-07-05T01:38:17.872105Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:38:17.872105Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Vm90gePUhm81y89SkxERGywJgwWyhZBf3Qpj2M/0TfEWGJ33YQC5alDMN6VZ/Qs5lgkpVCJZELy7W/AiIsuZDg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:38:17.872496Z","signed_message":"canonical_sha256_bytes"},"source_id":"2004.02754","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b1bad2593a581d757270da68fd9f7e3ae06939b5320766abbe8cafac83fb83c3","sha256:85682316ad17bc7afd2d841256c4c05d3d3a6ed82fa3acf6b0ae8ae37479df2d"],"state_sha256":"7009fd4f7e5d79f3cef595da03771478d89f88c6707dcfec089825b329367657"}