{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:4ZYCZFWMYUA3E7IQXAF7Y6DRJR","short_pith_number":"pith:4ZYCZFWM","canonical_record":{"source":{"id":"2412.14958","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2024-12-19T15:39:23Z","cross_cats_sorted":["hep-ex","physics.acc-ph"],"title_canon_sha256":"9c7d710f2f0a393000d59c65e01b0e21d217f733a83787555162a68989455003","abstract_canon_sha256":"69657ee71d22027a02a8f97f18c7a721235189ebe67d5abf8d0b0bed6b3cbbdf"},"schema_version":"1.0"},"canonical_sha256":"e6702c96ccc501b27d10b80bfc78714c78911c63d4365124877ed91412cf7062","source":{"kind":"arxiv","id":"2412.14958","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.14958","created_at":"2026-07-05T09:51:54Z"},{"alias_kind":"arxiv_version","alias_value":"2412.14958v1","created_at":"2026-07-05T09:51:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.14958","created_at":"2026-07-05T09:51:54Z"},{"alias_kind":"pith_short_12","alias_value":"4ZYCZFWMYUA3","created_at":"2026-07-05T09:51:54Z"},{"alias_kind":"pith_short_16","alias_value":"4ZYCZFWMYUA3E7IQ","created_at":"2026-07-05T09:51:54Z"},{"alias_kind":"pith_short_8","alias_value":"4ZYCZFWM","created_at":"2026-07-05T09:51:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:4ZYCZFWMYUA3E7IQXAF7Y6DRJR","target":"record","payload":{"canonical_record":{"source":{"id":"2412.14958","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2024-12-19T15:39:23Z","cross_cats_sorted":["hep-ex","physics.acc-ph"],"title_canon_sha256":"9c7d710f2f0a393000d59c65e01b0e21d217f733a83787555162a68989455003","abstract_canon_sha256":"69657ee71d22027a02a8f97f18c7a721235189ebe67d5abf8d0b0bed6b3cbbdf"},"schema_version":"1.0"},"canonical_sha256":"e6702c96ccc501b27d10b80bfc78714c78911c63d4365124877ed91412cf7062","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:51:54.886594Z","signature_b64":"CTI1GINGt52H9pIfbkwbWdWqNG3+engncbmhTEL/gqZhNVWkRvRkgD6XOIB2SGySPOkVmZK37oZpiX9UOANCCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e6702c96ccc501b27d10b80bfc78714c78911c63d4365124877ed91412cf7062","last_reissued_at":"2026-07-05T09:51:54.886024Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:51:54.886024Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2412.14958","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:51:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y1B58FXODRkYS1HT3c3shQuPM85In1KAZqIAMo6lPy9ymO7EYRwwLxDjQDMWElsd3nAjdOnQv8ha2S7G6CL6DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T21:17:48.736599Z"},"content_sha256":"826a7c88ffd3b008830b3793c77f11b5f9cbf26f718edfa56dfa7b75ef43d607","schema_version":"1.0","event_id":"sha256:826a7c88ffd3b008830b3793c77f11b5f9cbf26f718edfa56dfa7b75ef43d607"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:4ZYCZFWMYUA3E7IQXAF7Y6DRJR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Study of NbN as superconducting material for the usage in superconducting radio frequency cavities","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex","physics.acc-ph"],"primary_cat":"cond-mat.supr-con","authors_text":"Arne Wickenbrock, Dmitry Budker, Hendrik Bekker, Kristof Schmieden, Malavika Unni, Matthias Schott, Tim Schneemann","submitted_at":"2024-12-19T15:39:23Z","abstract_excerpt":"A new axion-haloscope is setup at the Johannes Gutenberg university of Mainz, named the Supax (a SUPerconducting AXion search) experiment. This setup is used to characterize the behaviour of a NbN coated superconducting cavity in a 2.5T strong magnetic field, at a resonance frequency of 8.4GHz. We observe an increasing surface resistance with increasing magnetic field, leading to a decreasing quality factor. The behaviour is similar to that of previously studied cavities using Nb3Tn."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.14958","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/2412.14958/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:51:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BfOWw4plBeuBzALRQVJhXxipf3rEIVKEEFIQl94IzPoacvcCUI60fdoVIt0d5DoYcOiycVUd16JQkkxUuZgfAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T21:17:48.737614Z"},"content_sha256":"a1bb78888bd95f743b4ffd6e11009779f1ce8841d91236055fb49f3327339182","schema_version":"1.0","event_id":"sha256:a1bb78888bd95f743b4ffd6e11009779f1ce8841d91236055fb49f3327339182"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4ZYCZFWMYUA3E7IQXAF7Y6DRJR/bundle.json","state_url":"https://pith.science/pith/4ZYCZFWMYUA3E7IQXAF7Y6DRJR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4ZYCZFWMYUA3E7IQXAF7Y6DRJR/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":"2026-08-17T21:17:48Z","links":{"resolver":"https://pith.science/pith/4ZYCZFWMYUA3E7IQXAF7Y6DRJR","bundle":"https://pith.science/pith/4ZYCZFWMYUA3E7IQXAF7Y6DRJR/bundle.json","state":"https://pith.science/pith/4ZYCZFWMYUA3E7IQXAF7Y6DRJR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4ZYCZFWMYUA3E7IQXAF7Y6DRJR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:4ZYCZFWMYUA3E7IQXAF7Y6DRJR","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":"69657ee71d22027a02a8f97f18c7a721235189ebe67d5abf8d0b0bed6b3cbbdf","cross_cats_sorted":["hep-ex","physics.acc-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2024-12-19T15:39:23Z","title_canon_sha256":"9c7d710f2f0a393000d59c65e01b0e21d217f733a83787555162a68989455003"},"schema_version":"1.0","source":{"id":"2412.14958","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.14958","created_at":"2026-07-05T09:51:54Z"},{"alias_kind":"arxiv_version","alias_value":"2412.14958v1","created_at":"2026-07-05T09:51:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.14958","created_at":"2026-07-05T09:51:54Z"},{"alias_kind":"pith_short_12","alias_value":"4ZYCZFWMYUA3","created_at":"2026-07-05T09:51:54Z"},{"alias_kind":"pith_short_16","alias_value":"4ZYCZFWMYUA3E7IQ","created_at":"2026-07-05T09:51:54Z"},{"alias_kind":"pith_short_8","alias_value":"4ZYCZFWM","created_at":"2026-07-05T09:51:54Z"}],"graph_snapshots":[{"event_id":"sha256:a1bb78888bd95f743b4ffd6e11009779f1ce8841d91236055fb49f3327339182","target":"graph","created_at":"2026-07-05T09:51:54Z","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/2412.14958/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A new axion-haloscope is setup at the Johannes Gutenberg university of Mainz, named the Supax (a SUPerconducting AXion search) experiment. This setup is used to characterize the behaviour of a NbN coated superconducting cavity in a 2.5T strong magnetic field, at a resonance frequency of 8.4GHz. We observe an increasing surface resistance with increasing magnetic field, leading to a decreasing quality factor. The behaviour is similar to that of previously studied cavities using Nb3Tn.","authors_text":"Arne Wickenbrock, Dmitry Budker, Hendrik Bekker, Kristof Schmieden, Malavika Unni, Matthias Schott, Tim Schneemann","cross_cats":["hep-ex","physics.acc-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2024-12-19T15:39:23Z","title":"Study of NbN as superconducting material for the usage in superconducting radio frequency cavities"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.14958","kind":"arxiv","version":1},"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":"sha256:826a7c88ffd3b008830b3793c77f11b5f9cbf26f718edfa56dfa7b75ef43d607","target":"record","created_at":"2026-07-05T09:51:54Z","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":"69657ee71d22027a02a8f97f18c7a721235189ebe67d5abf8d0b0bed6b3cbbdf","cross_cats_sorted":["hep-ex","physics.acc-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2024-12-19T15:39:23Z","title_canon_sha256":"9c7d710f2f0a393000d59c65e01b0e21d217f733a83787555162a68989455003"},"schema_version":"1.0","source":{"id":"2412.14958","kind":"arxiv","version":1}},"canonical_sha256":"e6702c96ccc501b27d10b80bfc78714c78911c63d4365124877ed91412cf7062","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e6702c96ccc501b27d10b80bfc78714c78911c63d4365124877ed91412cf7062","first_computed_at":"2026-07-05T09:51:54.886024Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:51:54.886024Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CTI1GINGt52H9pIfbkwbWdWqNG3+engncbmhTEL/gqZhNVWkRvRkgD6XOIB2SGySPOkVmZK37oZpiX9UOANCCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T09:51:54.886594Z","signed_message":"canonical_sha256_bytes"},"source_id":"2412.14958","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:826a7c88ffd3b008830b3793c77f11b5f9cbf26f718edfa56dfa7b75ef43d607","sha256:a1bb78888bd95f743b4ffd6e11009779f1ce8841d91236055fb49f3327339182"],"state_sha256":"9d4ffb3066b767c110ce0dec2bec4f7a43e7ff141b711770422e28bf9166091f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YICte54lAPq+S/+nX/3/VoGX/zye4vw7twOHIQ7/ktVG6YRypLCl84R+aACw7izUnfjiraqEERFRpJrAPpEwCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T21:17:48.744973Z","bundle_sha256":"115c8d06048078c7deb406632dcccc172ca425814a40d83fbc1f3ade9438dcbb"}}