{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:JEFO3OPUR4I2FV7DUUC27S2NC3","short_pith_number":"pith:JEFO3OPU","schema_version":"1.0","canonical_sha256":"490aedb9f48f11a2d7e3a505afcb4d16f6eac955183978493b19640d3b22e231","source":{"kind":"arxiv","id":"1509.04127","version":2},"attestation_state":"computed","paper":{"title":"Sensitivity of Niobium Superconducting Cavities to Trapped Magnetic Flux Dissipation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"Dan Gonnella, John Kaufman, Matthias Liepe","submitted_at":"2015-09-14T15:02:16Z","abstract_excerpt":"Future particle accelerators such as the the SLAC ``Linac Coherent Light Source-II'' (LCLS-II) and the proposed Cornell Energy Recovery Linac (ERL) require hundreds of superconducting radio-frequency (SRF) cavities operating in continuous wave (CW) mode. In order to achieve economic feasibility of projects such as these, the cavities must achieve a very high intrinsic quality factor ($Q_0$) to keep cryogenic losses within feasible limits. To reach these high $Q_0$'s in the case of LCLS-II, nitrogen-doping has been proposed as a cavity preparation technique. When dealing with $Q_0$'s greater th"},"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":"1509.04127","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2015-09-14T15:02:16Z","cross_cats_sorted":[],"title_canon_sha256":"aae78f9f5ed1e313979b0ae8e97cea70213b54a87029608df05b8e083df3af78","abstract_canon_sha256":"613bffc94577dc214e8ffebf7b00b4ace133e2cf2b01035166e20817e6686ee8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:20:16.826996Z","signature_b64":"/sulIEIPVykLbEbgq/HryOFtxaCnOCgWkpd5/Z8j8uAROfT3E+0rTxQ8VmMZiMcwdD4rvcayJ/z2o4EpLpRvDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"490aedb9f48f11a2d7e3a505afcb4d16f6eac955183978493b19640d3b22e231","last_reissued_at":"2026-05-18T01:20:16.826408Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:20:16.826408Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Sensitivity of Niobium Superconducting Cavities to Trapped Magnetic Flux Dissipation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"Dan Gonnella, John Kaufman, Matthias Liepe","submitted_at":"2015-09-14T15:02:16Z","abstract_excerpt":"Future particle accelerators such as the the SLAC ``Linac Coherent Light Source-II'' (LCLS-II) and the proposed Cornell Energy Recovery Linac (ERL) require hundreds of superconducting radio-frequency (SRF) cavities operating in continuous wave (CW) mode. In order to achieve economic feasibility of projects such as these, the cavities must achieve a very high intrinsic quality factor ($Q_0$) to keep cryogenic losses within feasible limits. To reach these high $Q_0$'s in the case of LCLS-II, nitrogen-doping has been proposed as a cavity preparation technique. When dealing with $Q_0$'s greater th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.04127","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"1509.04127","created_at":"2026-05-18T01:20:16.826492+00:00"},{"alias_kind":"arxiv_version","alias_value":"1509.04127v2","created_at":"2026-05-18T01:20:16.826492+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.04127","created_at":"2026-05-18T01:20:16.826492+00:00"},{"alias_kind":"pith_short_12","alias_value":"JEFO3OPUR4I2","created_at":"2026-05-18T12:29:27.538025+00:00"},{"alias_kind":"pith_short_16","alias_value":"JEFO3OPUR4I2FV7D","created_at":"2026-05-18T12:29:27.538025+00:00"},{"alias_kind":"pith_short_8","alias_value":"JEFO3OPU","created_at":"2026-05-18T12:29:27.538025+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/JEFO3OPUR4I2FV7DUUC27S2NC3","json":"https://pith.science/pith/JEFO3OPUR4I2FV7DUUC27S2NC3.json","graph_json":"https://pith.science/api/pith-number/JEFO3OPUR4I2FV7DUUC27S2NC3/graph.json","events_json":"https://pith.science/api/pith-number/JEFO3OPUR4I2FV7DUUC27S2NC3/events.json","paper":"https://pith.science/paper/JEFO3OPU"},"agent_actions":{"view_html":"https://pith.science/pith/JEFO3OPUR4I2FV7DUUC27S2NC3","download_json":"https://pith.science/pith/JEFO3OPUR4I2FV7DUUC27S2NC3.json","view_paper":"https://pith.science/paper/JEFO3OPU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1509.04127&json=true","fetch_graph":"https://pith.science/api/pith-number/JEFO3OPUR4I2FV7DUUC27S2NC3/graph.json","fetch_events":"https://pith.science/api/pith-number/JEFO3OPUR4I2FV7DUUC27S2NC3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JEFO3OPUR4I2FV7DUUC27S2NC3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JEFO3OPUR4I2FV7DUUC27S2NC3/action/storage_attestation","attest_author":"https://pith.science/pith/JEFO3OPUR4I2FV7DUUC27S2NC3/action/author_attestation","sign_citation":"https://pith.science/pith/JEFO3OPUR4I2FV7DUUC27S2NC3/action/citation_signature","submit_replication":"https://pith.science/pith/JEFO3OPUR4I2FV7DUUC27S2NC3/action/replication_record"}},"created_at":"2026-05-18T01:20:16.826492+00:00","updated_at":"2026-05-18T01:20:16.826492+00:00"}