{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:CYZITIIUYRO7J4TASIPKY32GJC","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":"fb943f7405f55f3bee761169aeae9affb39440381eee8ed70f9efff4d3f1bd10","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-02-26T05:06:34Z","title_canon_sha256":"8d7daf83505581a08db0d01f0e613fcb1c57409b742c73666268eff9a092b0b0"},"schema_version":"1.0","source":{"id":"1302.6314","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.6314","created_at":"2026-05-18T03:32:07Z"},{"alias_kind":"arxiv_version","alias_value":"1302.6314v2","created_at":"2026-05-18T03:32:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.6314","created_at":"2026-05-18T03:32:07Z"},{"alias_kind":"pith_short_12","alias_value":"CYZITIIUYRO7","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"CYZITIIUYRO7J4TA","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"CYZITIIU","created_at":"2026-05-18T12:27:40Z"}],"graph_snapshots":[{"event_id":"sha256:37ed60a64a5c20980ab1ff033e56c2a0884af739332acf2e0dd0fb8450262607","target":"graph","created_at":"2026-05-18T03:32:07Z","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 report the $^{121/123}$Sb-NMR/nuclear quadrupole resonance (NQR) measurements on the newly-discovered superconductor BaTi$_2$Sb$_2$O with a two-dimensional Ti$_2$O square-net layer formed with Ti$^{3+}$ (3$d^1$). NQR measurements revealed that the in-plane four-fold symmetry is broken at the Sb site below $T_{\\rm A} \\sim$ 40 K, without an internal field appearing at the Sb site. These exclude a spin-density wave (SDW)/ charge density wave (CDW) ordering with incommensurate correlations, but can be understood with the commensurate CDW ordering at $T_{\\rm A}$. The spin-lattice relaxation rate","authors_text":"H. Kageyama, K. Ishida, K. Nakano, S. Kitagawa, T. Yajima","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-02-26T05:06:34Z","title":"S wave superconductivity in newly discovered superconductor BaTi$_2$Sb$_2$O revealed by $^{121/123}$Sb-NMR/Nuclear Quadrupole Resonance measurements"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.6314","kind":"arxiv","version":2},"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":"sha256:34902e73a3b17ee9c6e1572304e64b2a9f373f05be82bb7108c71f8cd3c34890","target":"record","created_at":"2026-05-18T03:32:07Z","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":"fb943f7405f55f3bee761169aeae9affb39440381eee8ed70f9efff4d3f1bd10","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-02-26T05:06:34Z","title_canon_sha256":"8d7daf83505581a08db0d01f0e613fcb1c57409b742c73666268eff9a092b0b0"},"schema_version":"1.0","source":{"id":"1302.6314","kind":"arxiv","version":2}},"canonical_sha256":"163289a114c45df4f260921eac6f4648b2a546b77489b84b7c6b146a2cc5d9b2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"163289a114c45df4f260921eac6f4648b2a546b77489b84b7c6b146a2cc5d9b2","first_computed_at":"2026-05-18T03:32:07.266412Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:32:07.266412Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xj/ySy63ozpP//Z9EsqmyKP+xMJ5RgkXpSdlmCglzgu4jBapsojBDIh1VmamIY02kfwPvm3yK746cwC5AOFmAg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:32:07.267187Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.6314","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:34902e73a3b17ee9c6e1572304e64b2a9f373f05be82bb7108c71f8cd3c34890","sha256:37ed60a64a5c20980ab1ff033e56c2a0884af739332acf2e0dd0fb8450262607"],"state_sha256":"7c6b591c08a20162d05165959fa8e28bfc1ab61b93f367717890f7ed680180ee"}