{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:VOWOYMXHHEKWXKFFYVUZGYJWUR","short_pith_number":"pith:VOWOYMXH","canonical_record":{"source":{"id":"cond-mat/0411220","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2004-11-09T09:12:55Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"07155d111296108d9642b03aded9223fcf02a3df85363a4d6c9e81ba53c026f3","abstract_canon_sha256":"9747466ba0ff73e1d7a24903d0c95973130f1638402f2bbf0f6d8a5792a93398"},"schema_version":"1.0"},"canonical_sha256":"abacec32e739156ba8a5c569936136a4496fae02f8ef25244b9ce9dd724356e8","source":{"kind":"arxiv","id":"cond-mat/0411220","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0411220","created_at":"2026-05-18T01:39:57Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0411220v1","created_at":"2026-05-18T01:39:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0411220","created_at":"2026-05-18T01:39:57Z"},{"alias_kind":"pith_short_12","alias_value":"VOWOYMXHHEKW","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"VOWOYMXHHEKWXKFF","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"VOWOYMXH","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:VOWOYMXHHEKWXKFFYVUZGYJWUR","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0411220","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2004-11-09T09:12:55Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"07155d111296108d9642b03aded9223fcf02a3df85363a4d6c9e81ba53c026f3","abstract_canon_sha256":"9747466ba0ff73e1d7a24903d0c95973130f1638402f2bbf0f6d8a5792a93398"},"schema_version":"1.0"},"canonical_sha256":"abacec32e739156ba8a5c569936136a4496fae02f8ef25244b9ce9dd724356e8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:39:57.401302Z","signature_b64":"XgNjXPoQWWXyyI3zq2qc5Rx8a5P47d5Ekee0l51dGLlNn4Gvgnz9hfUK53ZdNb6v6hN4XEB7fAhyG/3/19XRCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"abacec32e739156ba8a5c569936136a4496fae02f8ef25244b9ce9dd724356e8","last_reissued_at":"2026-05-18T01:39:57.400754Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:39:57.400754Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0411220","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":"2026-05-18T01:39:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1OOc/0UniIoBdmZMIkarGe712B8lJEc4aes5rFc9tPCHD31+ECIPGISTDmP5i9DbfiGrEOajMIAzzp1HPUryBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T04:54:54.057731Z"},"content_sha256":"f51adf0921a4d9d6bff9df75809001b084da3808645b79dccfd7086a96865ec0","schema_version":"1.0","event_id":"sha256:f51adf0921a4d9d6bff9df75809001b084da3808645b79dccfd7086a96865ec0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:VOWOYMXHHEKWXKFFYVUZGYJWUR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Temperature and Frequency Dependence of Complex Conductance of Ultrathin YBa2Cu3O7-x Films: A Study of Vortex-Antivortex Pair Unbinding","license":"","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.supr-con","authors_text":"Chernogolovka, Erlangen, Germany) Qi Li (Department of Physics, G. Tsydynzhapov, (Institute of Solid State Physics RAS, Moscow District, Pennsylvania State University, Russian Federation) I.E. Batov, (University of Erlangen-Nuernberg, University Park, USA), V.A. Gasparov","submitted_at":"2004-11-09T09:12:55Z","abstract_excerpt":"We have studied the temperature dependencies of the complex sheet conductance of 1-3 unit cell (UC) thick YBa2Cu3O7-x films sandwiched between semiconducting Pr0.6Y0.4Ba2Cu3O7-x layers at high frequencies. Experiments have been carried out in a frequency range between: 2 - 30 MHz with one-spiral coil technique, 100 MHz - 1 GHz frequency range with a new technique using the spiral coil cavity and at 30 GHz by aid of a resonant cavity technique. The real and imaginary parts of the mutual-inductance between a coil and a film were measured and converted to complex conductivity by aid of the invers"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0411220","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":"2026-05-18T01:39:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0EOGz2FdcGw5/0lwQtxrclPKMMc4RwC5hcxZHLj6iuLL7uiFgDmIhpYkqsmEw4TpT4kCzrMZZuihJ6qxqM4YDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T04:54:54.058441Z"},"content_sha256":"9c385d72708f9d9c8b7a48374fa3893865975a577eeca6d6e487e027ecc5dd08","schema_version":"1.0","event_id":"sha256:9c385d72708f9d9c8b7a48374fa3893865975a577eeca6d6e487e027ecc5dd08"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VOWOYMXHHEKWXKFFYVUZGYJWUR/bundle.json","state_url":"https://pith.science/pith/VOWOYMXHHEKWXKFFYVUZGYJWUR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VOWOYMXHHEKWXKFFYVUZGYJWUR/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":"2026-05-24T04:54:54Z","links":{"resolver":"https://pith.science/pith/VOWOYMXHHEKWXKFFYVUZGYJWUR","bundle":"https://pith.science/pith/VOWOYMXHHEKWXKFFYVUZGYJWUR/bundle.json","state":"https://pith.science/pith/VOWOYMXHHEKWXKFFYVUZGYJWUR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VOWOYMXHHEKWXKFFYVUZGYJWUR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:VOWOYMXHHEKWXKFFYVUZGYJWUR","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":"9747466ba0ff73e1d7a24903d0c95973130f1638402f2bbf0f6d8a5792a93398","cross_cats_sorted":["cond-mat.mes-hall"],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2004-11-09T09:12:55Z","title_canon_sha256":"07155d111296108d9642b03aded9223fcf02a3df85363a4d6c9e81ba53c026f3"},"schema_version":"1.0","source":{"id":"cond-mat/0411220","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0411220","created_at":"2026-05-18T01:39:57Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0411220v1","created_at":"2026-05-18T01:39:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0411220","created_at":"2026-05-18T01:39:57Z"},{"alias_kind":"pith_short_12","alias_value":"VOWOYMXHHEKW","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"VOWOYMXHHEKWXKFF","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"VOWOYMXH","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:9c385d72708f9d9c8b7a48374fa3893865975a577eeca6d6e487e027ecc5dd08","target":"graph","created_at":"2026-05-18T01:39:57Z","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":"We have studied the temperature dependencies of the complex sheet conductance of 1-3 unit cell (UC) thick YBa2Cu3O7-x films sandwiched between semiconducting Pr0.6Y0.4Ba2Cu3O7-x layers at high frequencies. Experiments have been carried out in a frequency range between: 2 - 30 MHz with one-spiral coil technique, 100 MHz - 1 GHz frequency range with a new technique using the spiral coil cavity and at 30 GHz by aid of a resonant cavity technique. The real and imaginary parts of the mutual-inductance between a coil and a film were measured and converted to complex conductivity by aid of the invers","authors_text":"Chernogolovka, Erlangen, Germany) Qi Li (Department of Physics, G. Tsydynzhapov, (Institute of Solid State Physics RAS, Moscow District, Pennsylvania State University, Russian Federation) I.E. Batov, (University of Erlangen-Nuernberg, University Park, USA), V.A. Gasparov","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2004-11-09T09:12:55Z","title":"Temperature and Frequency Dependence of Complex Conductance of Ultrathin YBa2Cu3O7-x Films: A Study of Vortex-Antivortex Pair Unbinding"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0411220","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:f51adf0921a4d9d6bff9df75809001b084da3808645b79dccfd7086a96865ec0","target":"record","created_at":"2026-05-18T01:39:57Z","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":"9747466ba0ff73e1d7a24903d0c95973130f1638402f2bbf0f6d8a5792a93398","cross_cats_sorted":["cond-mat.mes-hall"],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2004-11-09T09:12:55Z","title_canon_sha256":"07155d111296108d9642b03aded9223fcf02a3df85363a4d6c9e81ba53c026f3"},"schema_version":"1.0","source":{"id":"cond-mat/0411220","kind":"arxiv","version":1}},"canonical_sha256":"abacec32e739156ba8a5c569936136a4496fae02f8ef25244b9ce9dd724356e8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"abacec32e739156ba8a5c569936136a4496fae02f8ef25244b9ce9dd724356e8","first_computed_at":"2026-05-18T01:39:57.400754Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:39:57.400754Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XgNjXPoQWWXyyI3zq2qc5Rx8a5P47d5Ekee0l51dGLlNn4Gvgnz9hfUK53ZdNb6v6hN4XEB7fAhyG/3/19XRCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:39:57.401302Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0411220","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f51adf0921a4d9d6bff9df75809001b084da3808645b79dccfd7086a96865ec0","sha256:9c385d72708f9d9c8b7a48374fa3893865975a577eeca6d6e487e027ecc5dd08"],"state_sha256":"a069d1e9e0fa945396ce79b9c049ec34d026260fa2587f26a851bf78dae0218b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IweJ45u8bLygWJS9p57/GnI9DI/QO1+IqI0ynP0HyFtWd8tLLVFhoZtaP09Dwga1Cl5X9JqN2jtBbHREefrLAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T04:54:54.062310Z","bundle_sha256":"fc456e71cf0471b20fc407c5b3d84c98e9a3f706a2e5a8dc1cfb0520730f1015"}}