{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:WHL4US5WTRFWJTQTK265BNXRCI","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":"8a41bb7805745f60db9c1a6bc08c169c782cf7e79122e32732f0ce06f6d0190c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-10-10T16:03:20Z","title_canon_sha256":"b11b1aed2d242f8b7ead81c4e9d8a80b204a5bcfbd06f263bde5eb7a349efedd"},"schema_version":"1.0","source":{"id":"1110.2499","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.2499","created_at":"2026-05-18T04:11:08Z"},{"alias_kind":"arxiv_version","alias_value":"1110.2499v1","created_at":"2026-05-18T04:11:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.2499","created_at":"2026-05-18T04:11:08Z"},{"alias_kind":"pith_short_12","alias_value":"WHL4US5WTRFW","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"WHL4US5WTRFWJTQT","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"WHL4US5W","created_at":"2026-05-18T12:26:44Z"}],"graph_snapshots":[{"event_id":"sha256:0539abfed071cda3bb69207c417862667e66f9af6eff0742f6bfe333d52fc278","target":"graph","created_at":"2026-05-18T04:11:08Z","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 investigated systemically YBa2Cu3-x(Fe, Co, Al, Zn)xO7-{\\delta} (x=0.0\\sim0.5) cuprates through the XRD, the test of superconductivity, oxygen contents,positron annihilation technology and simulated calculations. The experimental results and theoretic calculations support such a conclusion that the Tc does not depend directly on the density of valence electron in the samples. Moreover, whether or not it may imply some correlations between Fe-oxide superconductors and cuprates that Fe doped Y123 samples show some unique characteristics.","authors_text":"Guo-Ru Yu, Jiang-Hui Li, Ping-Lin Li, Xiao-Xia Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-10-10T16:03:20Z","title":"Evidences of Superconductivity without Direct Relation to Valence Electron Density in Metal Doped Y123 Cuprates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.2499","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:e81d37e49e8aaf2bf7cd43d116ccd44cddaffe07baec71a78c278259d759f52a","target":"record","created_at":"2026-05-18T04:11:08Z","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":"8a41bb7805745f60db9c1a6bc08c169c782cf7e79122e32732f0ce06f6d0190c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-10-10T16:03:20Z","title_canon_sha256":"b11b1aed2d242f8b7ead81c4e9d8a80b204a5bcfbd06f263bde5eb7a349efedd"},"schema_version":"1.0","source":{"id":"1110.2499","kind":"arxiv","version":1}},"canonical_sha256":"b1d7ca4bb69c4b64ce1356bdd0b6f11201339f14aa7f7d368d5e8cc2828810d4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b1d7ca4bb69c4b64ce1356bdd0b6f11201339f14aa7f7d368d5e8cc2828810d4","first_computed_at":"2026-05-18T04:11:08.759963Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:11:08.759963Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uOhOjoLv8UnyFp9vaOlQfg8JfexGkbNThnoS6T9hexdUYw9mzt9X12IX5K4hXGCA1jQEKbPXNgPQHdxs7truDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:11:08.760660Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.2499","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e81d37e49e8aaf2bf7cd43d116ccd44cddaffe07baec71a78c278259d759f52a","sha256:0539abfed071cda3bb69207c417862667e66f9af6eff0742f6bfe333d52fc278"],"state_sha256":"d68e740dd07a0381cec3657f8b23f15ea506c48d867506a790b83a7a6fa2cd33"}