{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2000:6FTWAC565FRL5NCJ46BUTOQZEQ","short_pith_number":"pith:6FTWAC56","schema_version":"1.0","canonical_sha256":"f167600bbee962beb449e78349ba19243d8727bcc51bcc5b4920af1237cea157","source":{"kind":"arxiv","id":"cond-mat/0008302","version":1},"attestation_state":"computed","paper":{"title":"Anomalous Features in Surface Impedance of Y-Ba-Cu-O Thin Films: Dependence on Frequency, RF and DC Fields","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Adrian Porch, Anton V. Velichko, Richard G. Humphreys","submitted_at":"2000-08-21T14:23:27Z","abstract_excerpt":"Two high-quality Y-Ba-Cu-O thin films on MgO substrates have been investigated using the coplanar resonator technique at 8 and 16 GHz. Both films exhibit an anomalous decrease in their surface impedance, Zs as a function of microwave field, Hrf. In zero dc field, Hrf-dependences of Rs and Xs for both the samples are uncorrelated, and only one of the quantities, Rs or Xs, displays anomalous behavior. Here, application of relatively weak (~5 mT) dc magnetic fields, Hdc can produce a correlated decrease of Rs(Hrf) and Xs(Hrf). The dependences of Zs on Hdc in both low and high microwave power regi"},"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":"cond-mat/0008302","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2000-08-21T14:23:27Z","cross_cats_sorted":[],"title_canon_sha256":"df8da0675c451e0a1fa5b9bc7091be5672c631a42392856bb6eefe0908bd9b05","abstract_canon_sha256":"58e7c81c3aebf0d9165d08acaebd758f69173e1bcac2d9e2069ea01a824fefe0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:11:33.098749Z","signature_b64":"VYSOLQ/pp4ftk/cJlXLya0OCWMcM1+V+ucOL7lpGnMQw1T9NpGWvQ+WHlD1gQeE/bi2vGeNpDeJkFuVyRlznBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f167600bbee962beb449e78349ba19243d8727bcc51bcc5b4920af1237cea157","last_reissued_at":"2026-05-18T00:11:33.098242Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:11:33.098242Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Anomalous Features in Surface Impedance of Y-Ba-Cu-O Thin Films: Dependence on Frequency, RF and DC Fields","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Adrian Porch, Anton V. Velichko, Richard G. Humphreys","submitted_at":"2000-08-21T14:23:27Z","abstract_excerpt":"Two high-quality Y-Ba-Cu-O thin films on MgO substrates have been investigated using the coplanar resonator technique at 8 and 16 GHz. Both films exhibit an anomalous decrease in their surface impedance, Zs as a function of microwave field, Hrf. In zero dc field, Hrf-dependences of Rs and Xs for both the samples are uncorrelated, and only one of the quantities, Rs or Xs, displays anomalous behavior. Here, application of relatively weak (~5 mT) dc magnetic fields, Hdc can produce a correlated decrease of Rs(Hrf) and Xs(Hrf). The dependences of Zs on Hdc in both low and high microwave power regi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0008302","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0008302","created_at":"2026-05-18T00:11:33.098330+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0008302v1","created_at":"2026-05-18T00:11:33.098330+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0008302","created_at":"2026-05-18T00:11:33.098330+00:00"},{"alias_kind":"pith_short_12","alias_value":"6FTWAC565FRL","created_at":"2026-05-18T12:25:49.631198+00:00"},{"alias_kind":"pith_short_16","alias_value":"6FTWAC565FRL5NCJ","created_at":"2026-05-18T12:25:49.631198+00:00"},{"alias_kind":"pith_short_8","alias_value":"6FTWAC56","created_at":"2026-05-18T12:25:49.631198+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/6FTWAC565FRL5NCJ46BUTOQZEQ","json":"https://pith.science/pith/6FTWAC565FRL5NCJ46BUTOQZEQ.json","graph_json":"https://pith.science/api/pith-number/6FTWAC565FRL5NCJ46BUTOQZEQ/graph.json","events_json":"https://pith.science/api/pith-number/6FTWAC565FRL5NCJ46BUTOQZEQ/events.json","paper":"https://pith.science/paper/6FTWAC56"},"agent_actions":{"view_html":"https://pith.science/pith/6FTWAC565FRL5NCJ46BUTOQZEQ","download_json":"https://pith.science/pith/6FTWAC565FRL5NCJ46BUTOQZEQ.json","view_paper":"https://pith.science/paper/6FTWAC56","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/0008302&json=true","fetch_graph":"https://pith.science/api/pith-number/6FTWAC565FRL5NCJ46BUTOQZEQ/graph.json","fetch_events":"https://pith.science/api/pith-number/6FTWAC565FRL5NCJ46BUTOQZEQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6FTWAC565FRL5NCJ46BUTOQZEQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6FTWAC565FRL5NCJ46BUTOQZEQ/action/storage_attestation","attest_author":"https://pith.science/pith/6FTWAC565FRL5NCJ46BUTOQZEQ/action/author_attestation","sign_citation":"https://pith.science/pith/6FTWAC565FRL5NCJ46BUTOQZEQ/action/citation_signature","submit_replication":"https://pith.science/pith/6FTWAC565FRL5NCJ46BUTOQZEQ/action/replication_record"}},"created_at":"2026-05-18T00:11:33.098330+00:00","updated_at":"2026-05-18T00:11:33.098330+00:00"}