{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:TOJ6MSMXARUJABCT6IYIXRADVV","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":"2ac9c6c8151ae574f1609f22679196cffc37fc77ce036d69c9a0f5c7a6087c18","cross_cats_sorted":["cond-mat.str-el"],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2003-04-22T12:22:56Z","title_canon_sha256":"fdce09d54f8427aaa35f21214169e6f5f4ce1811d81b90462de7f8bf8d2cc7fb"},"schema_version":"1.0","source":{"id":"cond-mat/0304477","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0304477","created_at":"2026-07-04T16:38:40Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0304477v1","created_at":"2026-07-04T16:38:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0304477","created_at":"2026-07-04T16:38:40Z"},{"alias_kind":"pith_short_12","alias_value":"TOJ6MSMXARUJ","created_at":"2026-07-04T16:38:40Z"},{"alias_kind":"pith_short_16","alias_value":"TOJ6MSMXARUJABCT","created_at":"2026-07-04T16:38:40Z"},{"alias_kind":"pith_short_8","alias_value":"TOJ6MSMX","created_at":"2026-07-04T16:38:40Z"}],"graph_snapshots":[{"event_id":"sha256:84fb4fc1d47a84b8f992760c91641449400f75b92110f30f58715a57a77d76a5","target":"graph","created_at":"2026-07-04T16:38:40Z","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/cond-mat/0304477/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We studied Zn-substitution effect on the high-T_c superconductors, underdoped La_{2-x}Sr_xCu_{1-y}Zn_yO_4 (x=0.10; y=0, 0.01, 0.02), optimally doped (x=0.15; y=0, 0.02), and overdoped (x=0.20; y=0, 0.03, 0.06) in a temperature range of T=4.2-300 K, using Cu nuclear quadrupole resonance (NQR) spin-echo technique. We found full disappearance of the Cu NQR signals for the Zn-substituted, Sr-underdoped x=0.10 samples below about 40 K, partial disappearance for the Sr-optimally doped ones below about 50 K, but not for the overdoped x=0.20 ones. From the Zn-doping, the Sr-doping and the temperature ","authors_text":"H. Miyamoto, H. Yamagata, K. Nakamura, M. Matsumura, Y. Itoh","cross_cats":["cond-mat.str-el"],"headline":"","license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2003-04-22T12:22:56Z","title":"Cu Nuclear Quadrupole Resonance Study of La_{2-x}Sr_xCu_{1-y}Zn_yO_4 (x=0.10, 0.15 and 0.20): Zn-induced Wipeout Effect near the Magnetic and Electric Instability"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0304477","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":"sha256:5e61240c817a2d5f47b9ecd9d01587cf9ae6e051dd06eb42447c191b03662fc5","target":"record","created_at":"2026-07-04T16:38:40Z","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":"2ac9c6c8151ae574f1609f22679196cffc37fc77ce036d69c9a0f5c7a6087c18","cross_cats_sorted":["cond-mat.str-el"],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2003-04-22T12:22:56Z","title_canon_sha256":"fdce09d54f8427aaa35f21214169e6f5f4ce1811d81b90462de7f8bf8d2cc7fb"},"schema_version":"1.0","source":{"id":"cond-mat/0304477","kind":"arxiv","version":1}},"canonical_sha256":"9b93e649970468900453f2308bc403ad5597eb639e5e2df90007cb645e70198b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9b93e649970468900453f2308bc403ad5597eb639e5e2df90007cb645e70198b","first_computed_at":"2026-07-04T16:38:40.508029Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:38:40.508029Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8FqPQaAS5wcmMS7ihQCWpfzOKahLF1h2IoitiT6TDs8ul4pbKa6ddJ9GfjaFOBP6MjR1RKDKQHUkMSDeQHLMCQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:38:40.508384Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0304477","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5e61240c817a2d5f47b9ecd9d01587cf9ae6e051dd06eb42447c191b03662fc5","sha256:84fb4fc1d47a84b8f992760c91641449400f75b92110f30f58715a57a77d76a5"],"state_sha256":"961aa646e9ed3b54903df432bec51334bf01eeb461165345dd12a340e39946c0"}