{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:HDFKD3MVGEZQU7X2JRXANCQGXB","short_pith_number":"pith:HDFKD3MV","canonical_record":{"source":{"id":"1810.00540","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-10-01T06:13:23Z","cross_cats_sorted":["physics.acc-ph"],"title_canon_sha256":"608a8199d138c398ede4150be08abc8e462335edcc6e873146c7f3aba096b983","abstract_canon_sha256":"dc8c90cbf4a6589ab559e5b98b96cd01bc269d156171bcaa156d1e4f9f14f711"},"schema_version":"1.0"},"canonical_sha256":"38caa1ed9531330a7efa4c6e068a06b86ee664a32f6395812ffd591ab6cb9414","source":{"kind":"arxiv","id":"1810.00540","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.00540","created_at":"2026-05-17T23:54:10Z"},{"alias_kind":"arxiv_version","alias_value":"1810.00540v3","created_at":"2026-05-17T23:54:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.00540","created_at":"2026-05-17T23:54:10Z"},{"alias_kind":"pith_short_12","alias_value":"HDFKD3MVGEZQ","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HDFKD3MVGEZQU7X2","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HDFKD3MV","created_at":"2026-05-18T12:32:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:HDFKD3MVGEZQU7X2JRXANCQGXB","target":"record","payload":{"canonical_record":{"source":{"id":"1810.00540","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-10-01T06:13:23Z","cross_cats_sorted":["physics.acc-ph"],"title_canon_sha256":"608a8199d138c398ede4150be08abc8e462335edcc6e873146c7f3aba096b983","abstract_canon_sha256":"dc8c90cbf4a6589ab559e5b98b96cd01bc269d156171bcaa156d1e4f9f14f711"},"schema_version":"1.0"},"canonical_sha256":"38caa1ed9531330a7efa4c6e068a06b86ee664a32f6395812ffd591ab6cb9414","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:54:10.866365Z","signature_b64":"DohTyrzMkeTmUEVLlhDQmC9vVEPEqz80iWTd0jf4VJ6t17RNn3p7E3NXYujoc6D0VSz2xFPrZQYBkKnJOi9VAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"38caa1ed9531330a7efa4c6e068a06b86ee664a32f6395812ffd591ab6cb9414","last_reissued_at":"2026-05-17T23:54:10.865701Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:54:10.865701Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.00540","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:54:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NfyWlxD2F122F6VPFuIOFtI4iTBmWp0eVZsnvp0hSq67wuekmNLR9I9bYBka3U3XtlrhzIKAAIHHLuSgXiaSDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T14:47:23.780601Z"},"content_sha256":"1cfdf2a64e199d546679146a14f5c5dee4bc6fcd880a5f90a381a36a1b6aedef","schema_version":"1.0","event_id":"sha256:1cfdf2a64e199d546679146a14f5c5dee4bc6fcd880a5f90a381a36a1b6aedef"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:HDFKD3MVGEZQU7X2JRXANCQGXB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Simple model for the RF field amplitude dependence of the trapped flux sensitivity in superconducting RF cavities","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["physics.acc-ph"],"primary_cat":"cond-mat.supr-con","authors_text":"Ruggero Vaglio, Sergio Calatroni","submitted_at":"2018-10-01T06:13:23Z","abstract_excerpt":"The improvement of the performance of RF superconducting cavities has recently motivated a considerable research effort in order to elucidate the effect of trapped magnetic flux on the surface resistance $R_{s}$. In this paper we show that by introducing a non-linear pinning force in the Gittleman-Rosenblum equations for the RF power dissipation due to a trapped magnetic flux in a superconductor, we can empirically describe the linear dependence on the RF field amplitude $B_{rf0}$ of the additional surface resistance $R_{fl}$. We also show that the proportionality between the RF-field dependen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.00540","kind":"arxiv","version":3},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:54:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nuc0x8pm7WYE6eTJyk72pNJ+q5Z/mCHJN61SClWP3H/MvhnuHuzj8pHgdxvSmlARaEkNfrjCKCn1onAL5YfcDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T14:47:23.780945Z"},"content_sha256":"73008d5b845b93388cd1c97a3e546963ab0360721ada375c6eb12efc3d5753ab","schema_version":"1.0","event_id":"sha256:73008d5b845b93388cd1c97a3e546963ab0360721ada375c6eb12efc3d5753ab"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HDFKD3MVGEZQU7X2JRXANCQGXB/bundle.json","state_url":"https://pith.science/pith/HDFKD3MVGEZQU7X2JRXANCQGXB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HDFKD3MVGEZQU7X2JRXANCQGXB/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-21T14:47:23Z","links":{"resolver":"https://pith.science/pith/HDFKD3MVGEZQU7X2JRXANCQGXB","bundle":"https://pith.science/pith/HDFKD3MVGEZQU7X2JRXANCQGXB/bundle.json","state":"https://pith.science/pith/HDFKD3MVGEZQU7X2JRXANCQGXB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HDFKD3MVGEZQU7X2JRXANCQGXB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:HDFKD3MVGEZQU7X2JRXANCQGXB","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":"dc8c90cbf4a6589ab559e5b98b96cd01bc269d156171bcaa156d1e4f9f14f711","cross_cats_sorted":["physics.acc-ph"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-10-01T06:13:23Z","title_canon_sha256":"608a8199d138c398ede4150be08abc8e462335edcc6e873146c7f3aba096b983"},"schema_version":"1.0","source":{"id":"1810.00540","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.00540","created_at":"2026-05-17T23:54:10Z"},{"alias_kind":"arxiv_version","alias_value":"1810.00540v3","created_at":"2026-05-17T23:54:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.00540","created_at":"2026-05-17T23:54:10Z"},{"alias_kind":"pith_short_12","alias_value":"HDFKD3MVGEZQ","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HDFKD3MVGEZQU7X2","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HDFKD3MV","created_at":"2026-05-18T12:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:73008d5b845b93388cd1c97a3e546963ab0360721ada375c6eb12efc3d5753ab","target":"graph","created_at":"2026-05-17T23:54:10Z","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"},"paper":{"abstract_excerpt":"The improvement of the performance of RF superconducting cavities has recently motivated a considerable research effort in order to elucidate the effect of trapped magnetic flux on the surface resistance $R_{s}$. In this paper we show that by introducing a non-linear pinning force in the Gittleman-Rosenblum equations for the RF power dissipation due to a trapped magnetic flux in a superconductor, we can empirically describe the linear dependence on the RF field amplitude $B_{rf0}$ of the additional surface resistance $R_{fl}$. We also show that the proportionality between the RF-field dependen","authors_text":"Ruggero Vaglio, Sergio Calatroni","cross_cats":["physics.acc-ph"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-10-01T06:13:23Z","title":"Simple model for the RF field amplitude dependence of the trapped flux sensitivity in superconducting RF cavities"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.00540","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":"sha256:1cfdf2a64e199d546679146a14f5c5dee4bc6fcd880a5f90a381a36a1b6aedef","target":"record","created_at":"2026-05-17T23:54:10Z","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":"dc8c90cbf4a6589ab559e5b98b96cd01bc269d156171bcaa156d1e4f9f14f711","cross_cats_sorted":["physics.acc-ph"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-10-01T06:13:23Z","title_canon_sha256":"608a8199d138c398ede4150be08abc8e462335edcc6e873146c7f3aba096b983"},"schema_version":"1.0","source":{"id":"1810.00540","kind":"arxiv","version":3}},"canonical_sha256":"38caa1ed9531330a7efa4c6e068a06b86ee664a32f6395812ffd591ab6cb9414","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"38caa1ed9531330a7efa4c6e068a06b86ee664a32f6395812ffd591ab6cb9414","first_computed_at":"2026-05-17T23:54:10.865701Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:54:10.865701Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DohTyrzMkeTmUEVLlhDQmC9vVEPEqz80iWTd0jf4VJ6t17RNn3p7E3NXYujoc6D0VSz2xFPrZQYBkKnJOi9VAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:54:10.866365Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.00540","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1cfdf2a64e199d546679146a14f5c5dee4bc6fcd880a5f90a381a36a1b6aedef","sha256:73008d5b845b93388cd1c97a3e546963ab0360721ada375c6eb12efc3d5753ab"],"state_sha256":"8159587ec52a7fd94bcfe8db69518b11dfa3abd94834747b79df662278086577"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ni9/B2S81XtpqUax3zk3Ejq9cQYCtijBsYy4iXAxbsdm9vyGiglMAHY9qsFn2FKN1nyqjloDrPEP/+Uvjq7cBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-21T14:47:23.782869Z","bundle_sha256":"8ce43931414dd88f0845be3106f90944938694bbd954430a88701edaf63544a0"}}