{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:GLYNSLRUOLBRECEZKLDL3XB6HN","short_pith_number":"pith:GLYNSLRU","schema_version":"1.0","canonical_sha256":"32f0d92e3472c312089952c6bddc3e3b64d71262b25251c432a03c9aa5cb96a9","source":{"kind":"arxiv","id":"1212.0530","version":1},"attestation_state":"computed","paper":{"title":"Evidence of a critical hole concentration in underdoped YBa$_2$Cu$_3$O$_y$ single crystals revealed by $^{63}$Cu NMR","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"B. B\\\"uchner, B. Keimer, C. T. Lin, H.-J. Grafe, S.-H. Baek, T. Loew, V. Hinkov","submitted_at":"2012-12-03T20:37:18Z","abstract_excerpt":"We report a $^{63}$Cu NMR investigation in detwinned YBa$_2$Cu$_3$O$_y$ single crystals, focusing on the highly underdoped regime (y=6.35-6.6). Measurements of both the spectra and the spin-lattice relaxation rates of $^{63}$Cu uncover the emergence of static order at a well-defined onset temperature $T_0$ without a known order parameter as yet. While $T_0$ is rapidly suppressed with increasing hole doping concentration $p$, the spin pseudogap was identified only near and above the doping content at which $T_0\\rightarrow 0$. Our data indicate the presence of a critical hole doping $p_c\\sim 0.1"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1212.0530","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-12-03T20:37:18Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"f1660b6db5d048df7a24faab667bf440264925288f52a37e2011a9f8bc6bf56f","abstract_canon_sha256":"774c0499f4c46c4223521d5b3a3429c7343b05872dbaf7be51c90de050a408d1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:38:32.573994Z","signature_b64":"vyUAwUkhkrMbssKAkZN5Cm7EnQGx6Pa9AccgM8HX0bW8eqsgHv0kTULzvdtj9IIDcTw4BSv04CDVVlqpHAdxAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"32f0d92e3472c312089952c6bddc3e3b64d71262b25251c432a03c9aa5cb96a9","last_reissued_at":"2026-05-18T03:38:32.573432Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:38:32.573432Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Evidence of a critical hole concentration in underdoped YBa$_2$Cu$_3$O$_y$ single crystals revealed by $^{63}$Cu NMR","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"B. B\\\"uchner, B. Keimer, C. T. Lin, H.-J. Grafe, S.-H. Baek, T. Loew, V. Hinkov","submitted_at":"2012-12-03T20:37:18Z","abstract_excerpt":"We report a $^{63}$Cu NMR investigation in detwinned YBa$_2$Cu$_3$O$_y$ single crystals, focusing on the highly underdoped regime (y=6.35-6.6). Measurements of both the spectra and the spin-lattice relaxation rates of $^{63}$Cu uncover the emergence of static order at a well-defined onset temperature $T_0$ without a known order parameter as yet. While $T_0$ is rapidly suppressed with increasing hole doping concentration $p$, the spin pseudogap was identified only near and above the doping content at which $T_0\\rightarrow 0$. Our data indicate the presence of a critical hole doping $p_c\\sim 0.1"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.0530","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":"1212.0530","created_at":"2026-05-18T03:38:32.573516+00:00"},{"alias_kind":"arxiv_version","alias_value":"1212.0530v1","created_at":"2026-05-18T03:38:32.573516+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.0530","created_at":"2026-05-18T03:38:32.573516+00:00"},{"alias_kind":"pith_short_12","alias_value":"GLYNSLRUOLBR","created_at":"2026-05-18T12:27:06.952714+00:00"},{"alias_kind":"pith_short_16","alias_value":"GLYNSLRUOLBRECEZ","created_at":"2026-05-18T12:27:06.952714+00:00"},{"alias_kind":"pith_short_8","alias_value":"GLYNSLRU","created_at":"2026-05-18T12:27:06.952714+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/GLYNSLRUOLBRECEZKLDL3XB6HN","json":"https://pith.science/pith/GLYNSLRUOLBRECEZKLDL3XB6HN.json","graph_json":"https://pith.science/api/pith-number/GLYNSLRUOLBRECEZKLDL3XB6HN/graph.json","events_json":"https://pith.science/api/pith-number/GLYNSLRUOLBRECEZKLDL3XB6HN/events.json","paper":"https://pith.science/paper/GLYNSLRU"},"agent_actions":{"view_html":"https://pith.science/pith/GLYNSLRUOLBRECEZKLDL3XB6HN","download_json":"https://pith.science/pith/GLYNSLRUOLBRECEZKLDL3XB6HN.json","view_paper":"https://pith.science/paper/GLYNSLRU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1212.0530&json=true","fetch_graph":"https://pith.science/api/pith-number/GLYNSLRUOLBRECEZKLDL3XB6HN/graph.json","fetch_events":"https://pith.science/api/pith-number/GLYNSLRUOLBRECEZKLDL3XB6HN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GLYNSLRUOLBRECEZKLDL3XB6HN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GLYNSLRUOLBRECEZKLDL3XB6HN/action/storage_attestation","attest_author":"https://pith.science/pith/GLYNSLRUOLBRECEZKLDL3XB6HN/action/author_attestation","sign_citation":"https://pith.science/pith/GLYNSLRUOLBRECEZKLDL3XB6HN/action/citation_signature","submit_replication":"https://pith.science/pith/GLYNSLRUOLBRECEZKLDL3XB6HN/action/replication_record"}},"created_at":"2026-05-18T03:38:32.573516+00:00","updated_at":"2026-05-18T03:38:32.573516+00:00"}