{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:TYKP4RGGVPYLDTNITJWRQYISD5","short_pith_number":"pith:TYKP4RGG","canonical_record":{"source":{"id":"1203.4442","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-03-20T14:06:34Z","cross_cats_sorted":[],"title_canon_sha256":"6ed62554c785517d6617392c54aad1189a403df785f6a4b50892feb6812f57b6","abstract_canon_sha256":"23ce23d96893f76f90aca64cee643118cb4d009c3bcaff343c007c87a8a1499f"},"schema_version":"1.0"},"canonical_sha256":"9e14fe44c6abf0b1cda89a6d1861121f7ecf42d96faef141c81a8e8afdced16f","source":{"kind":"arxiv","id":"1203.4442","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.4442","created_at":"2026-05-18T03:59:39Z"},{"alias_kind":"arxiv_version","alias_value":"1203.4442v1","created_at":"2026-05-18T03:59:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.4442","created_at":"2026-05-18T03:59:39Z"},{"alias_kind":"pith_short_12","alias_value":"TYKP4RGGVPYL","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"TYKP4RGGVPYLDTNI","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"TYKP4RGG","created_at":"2026-05-18T12:27:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:TYKP4RGGVPYLDTNITJWRQYISD5","target":"record","payload":{"canonical_record":{"source":{"id":"1203.4442","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-03-20T14:06:34Z","cross_cats_sorted":[],"title_canon_sha256":"6ed62554c785517d6617392c54aad1189a403df785f6a4b50892feb6812f57b6","abstract_canon_sha256":"23ce23d96893f76f90aca64cee643118cb4d009c3bcaff343c007c87a8a1499f"},"schema_version":"1.0"},"canonical_sha256":"9e14fe44c6abf0b1cda89a6d1861121f7ecf42d96faef141c81a8e8afdced16f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:59:39.089195Z","signature_b64":"PIDbLLQ4EBuTGCXUk4y716N5I/ru7na66peuMtEjRuJBaepx3JyD7W2SbB4R8ii9CSxAzshITeytVXEo5JkSAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9e14fe44c6abf0b1cda89a6d1861121f7ecf42d96faef141c81a8e8afdced16f","last_reissued_at":"2026-05-18T03:59:39.088633Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:59:39.088633Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1203.4442","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":"2026-05-18T03:59:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x5F24mKuknPLjkzQuQGA73aY7pxbVxyeu1RbQB3hDTTOhefQGh9HPSJY5gGqdv4DG5DexthMpam0aCtsoCZcCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:59:36.050996Z"},"content_sha256":"476db6bf31ca9e3ff5fa09d86de049191789efc2441553ac9e646c68593cd4d5","schema_version":"1.0","event_id":"sha256:476db6bf31ca9e3ff5fa09d86de049191789efc2441553ac9e646c68593cd4d5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:TYKP4RGGVPYLDTNITJWRQYISD5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Superconducting Resonators with Parasitic Electromagnetic Environments","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"D. J. Reilly, E. E. Mitchell, J. M. Hornibrook","submitted_at":"2012-03-20T14:06:34Z","abstract_excerpt":"Parasitic electromagnetic fields are shown to strongly suppress the quality (Q)-factor of superconducting coplanar waveguide resonators via non-local dissipation in the macroscopic environment. Numerical simulation and low temperature measurements demonstrate how this parasitic loss can be reduced, establishing a Lorentzian lineshape in the resonator frequency response and yielding a loaded Q-factor of 2.4 x 10^5 for niobium devices on sapphire substrates. In addition, we report the dependence of the Q and resonance frequency shift Delta f_0 with input power and temperature in the limit where "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.4442","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":""},"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":"2026-05-18T03:59:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2tnuf40rfWnjEhcCSdsrz54rR2J2s7DOIRTTXW8xIxGPXUbeKcCyIcOUlq4EmpA0QMGKNvwIz+0sgQx5/fEiAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:59:36.051470Z"},"content_sha256":"4b420573ec7263de7069f550626bfe717a3c5da40a46190d590b60f7087f752d","schema_version":"1.0","event_id":"sha256:4b420573ec7263de7069f550626bfe717a3c5da40a46190d590b60f7087f752d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TYKP4RGGVPYLDTNITJWRQYISD5/bundle.json","state_url":"https://pith.science/pith/TYKP4RGGVPYLDTNITJWRQYISD5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TYKP4RGGVPYLDTNITJWRQYISD5/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":"2026-05-26T19:59:36Z","links":{"resolver":"https://pith.science/pith/TYKP4RGGVPYLDTNITJWRQYISD5","bundle":"https://pith.science/pith/TYKP4RGGVPYLDTNITJWRQYISD5/bundle.json","state":"https://pith.science/pith/TYKP4RGGVPYLDTNITJWRQYISD5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TYKP4RGGVPYLDTNITJWRQYISD5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:TYKP4RGGVPYLDTNITJWRQYISD5","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":"23ce23d96893f76f90aca64cee643118cb4d009c3bcaff343c007c87a8a1499f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-03-20T14:06:34Z","title_canon_sha256":"6ed62554c785517d6617392c54aad1189a403df785f6a4b50892feb6812f57b6"},"schema_version":"1.0","source":{"id":"1203.4442","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.4442","created_at":"2026-05-18T03:59:39Z"},{"alias_kind":"arxiv_version","alias_value":"1203.4442v1","created_at":"2026-05-18T03:59:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.4442","created_at":"2026-05-18T03:59:39Z"},{"alias_kind":"pith_short_12","alias_value":"TYKP4RGGVPYL","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"TYKP4RGGVPYLDTNI","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"TYKP4RGG","created_at":"2026-05-18T12:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:4b420573ec7263de7069f550626bfe717a3c5da40a46190d590b60f7087f752d","target":"graph","created_at":"2026-05-18T03:59:39Z","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":"Parasitic electromagnetic fields are shown to strongly suppress the quality (Q)-factor of superconducting coplanar waveguide resonators via non-local dissipation in the macroscopic environment. Numerical simulation and low temperature measurements demonstrate how this parasitic loss can be reduced, establishing a Lorentzian lineshape in the resonator frequency response and yielding a loaded Q-factor of 2.4 x 10^5 for niobium devices on sapphire substrates. In addition, we report the dependence of the Q and resonance frequency shift Delta f_0 with input power and temperature in the limit where ","authors_text":"D. J. Reilly, E. E. Mitchell, J. M. Hornibrook","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-03-20T14:06:34Z","title":"Superconducting Resonators with Parasitic Electromagnetic Environments"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.4442","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":"sha256:476db6bf31ca9e3ff5fa09d86de049191789efc2441553ac9e646c68593cd4d5","target":"record","created_at":"2026-05-18T03:59:39Z","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":"23ce23d96893f76f90aca64cee643118cb4d009c3bcaff343c007c87a8a1499f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-03-20T14:06:34Z","title_canon_sha256":"6ed62554c785517d6617392c54aad1189a403df785f6a4b50892feb6812f57b6"},"schema_version":"1.0","source":{"id":"1203.4442","kind":"arxiv","version":1}},"canonical_sha256":"9e14fe44c6abf0b1cda89a6d1861121f7ecf42d96faef141c81a8e8afdced16f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9e14fe44c6abf0b1cda89a6d1861121f7ecf42d96faef141c81a8e8afdced16f","first_computed_at":"2026-05-18T03:59:39.088633Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:59:39.088633Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PIDbLLQ4EBuTGCXUk4y716N5I/ru7na66peuMtEjRuJBaepx3JyD7W2SbB4R8ii9CSxAzshITeytVXEo5JkSAg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:59:39.089195Z","signed_message":"canonical_sha256_bytes"},"source_id":"1203.4442","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:476db6bf31ca9e3ff5fa09d86de049191789efc2441553ac9e646c68593cd4d5","sha256:4b420573ec7263de7069f550626bfe717a3c5da40a46190d590b60f7087f752d"],"state_sha256":"a4999afd1514eff052d4e37168841a9d4f4069567c4ba299980c0a260c5bd3b4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wcT2a4/HIuA/HRkbP8rolOsX8BmRA4PRuLSuMAyRQ76tpX39OiCCElsW113u5zQQgnO8MwRCJxwYUS+rMC1xBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T19:59:36.054500Z","bundle_sha256":"276d25be4c7af9210b5af75323fba3785222c4a2ea8202e2fe882d966f461149"}}