{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:MPECC5HKVU6BQNTC4VYUZGCATM","short_pith_number":"pith:MPECC5HK","schema_version":"1.0","canonical_sha256":"63c82174eaad3c183662e5714c98409b2267e24e69376af3fc46801267975a4e","source":{"kind":"arxiv","id":"2403.11245","version":1},"attestation_state":"computed","paper":{"title":"Thickness effect on superconducting properties of niobium films for radio-frequency cavity applications","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"Antonio Bianchi, Carlota P. A. Carlos, Carmine Senatore, Guillaume Rosaz, Marco Bonura, Stewart Leith, Walter Venturini Delsolaro","submitted_at":"2024-03-17T15:37:30Z","abstract_excerpt":"Niobium-coated copper radio-frequency cavities are cost-effective alternatives to bulk niobium cavities, given the lower material costs of copper substrates and their operation in liquid helium at around 4.2 K. However, these cavities historically exhibited a gradual degradation in performance with the accelerating field. This phenomenon, not yet fully understood, limits the application of niobium thin film cavities in accelerators where the real-estate gradient needs to be maximized. Recent studies on niobium films deposited on copper using high power impulse magnetron sputtering (HiPIMS) tec"},"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":"2403.11245","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2024-03-17T15:37:30Z","cross_cats_sorted":[],"title_canon_sha256":"4422f2b041386301dc16d2cf56147574166019f70136fab6af01632c4dbc54b2","abstract_canon_sha256":"575ac275c53bc2ff3e7008f1924bcd4d7ae4607a80594c3e4165b8b66e578e2f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:57:13.886956Z","signature_b64":"3q+C/yxqgKaUK57FVyEIDVeUjlmJDrLZizT1Ft+OVuu0LMCmAfx1ThKJueVa3PKlwfDsC3PsyjA50ACNlmDxDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"63c82174eaad3c183662e5714c98409b2267e24e69376af3fc46801267975a4e","last_reissued_at":"2026-07-05T07:57:13.886494Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:57:13.886494Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Thickness effect on superconducting properties of niobium films for radio-frequency cavity applications","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"Antonio Bianchi, Carlota P. A. Carlos, Carmine Senatore, Guillaume Rosaz, Marco Bonura, Stewart Leith, Walter Venturini Delsolaro","submitted_at":"2024-03-17T15:37:30Z","abstract_excerpt":"Niobium-coated copper radio-frequency cavities are cost-effective alternatives to bulk niobium cavities, given the lower material costs of copper substrates and their operation in liquid helium at around 4.2 K. However, these cavities historically exhibited a gradual degradation in performance with the accelerating field. This phenomenon, not yet fully understood, limits the application of niobium thin film cavities in accelerators where the real-estate gradient needs to be maximized. Recent studies on niobium films deposited on copper using high power impulse magnetron sputtering (HiPIMS) tec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.11245","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/2403.11245/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":"2403.11245","created_at":"2026-07-05T07:57:13.886553+00:00"},{"alias_kind":"arxiv_version","alias_value":"2403.11245v1","created_at":"2026-07-05T07:57:13.886553+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.11245","created_at":"2026-07-05T07:57:13.886553+00:00"},{"alias_kind":"pith_short_12","alias_value":"MPECC5HKVU6B","created_at":"2026-07-05T07:57:13.886553+00:00"},{"alias_kind":"pith_short_16","alias_value":"MPECC5HKVU6BQNTC","created_at":"2026-07-05T07:57:13.886553+00:00"},{"alias_kind":"pith_short_8","alias_value":"MPECC5HK","created_at":"2026-07-05T07:57:13.886553+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/MPECC5HKVU6BQNTC4VYUZGCATM","json":"https://pith.science/pith/MPECC5HKVU6BQNTC4VYUZGCATM.json","graph_json":"https://pith.science/api/pith-number/MPECC5HKVU6BQNTC4VYUZGCATM/graph.json","events_json":"https://pith.science/api/pith-number/MPECC5HKVU6BQNTC4VYUZGCATM/events.json","paper":"https://pith.science/paper/MPECC5HK"},"agent_actions":{"view_html":"https://pith.science/pith/MPECC5HKVU6BQNTC4VYUZGCATM","download_json":"https://pith.science/pith/MPECC5HKVU6BQNTC4VYUZGCATM.json","view_paper":"https://pith.science/paper/MPECC5HK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2403.11245&json=true","fetch_graph":"https://pith.science/api/pith-number/MPECC5HKVU6BQNTC4VYUZGCATM/graph.json","fetch_events":"https://pith.science/api/pith-number/MPECC5HKVU6BQNTC4VYUZGCATM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MPECC5HKVU6BQNTC4VYUZGCATM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MPECC5HKVU6BQNTC4VYUZGCATM/action/storage_attestation","attest_author":"https://pith.science/pith/MPECC5HKVU6BQNTC4VYUZGCATM/action/author_attestation","sign_citation":"https://pith.science/pith/MPECC5HKVU6BQNTC4VYUZGCATM/action/citation_signature","submit_replication":"https://pith.science/pith/MPECC5HKVU6BQNTC4VYUZGCATM/action/replication_record"}},"created_at":"2026-07-05T07:57:13.886553+00:00","updated_at":"2026-07-05T07:57:13.886553+00:00"}