{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:3R3ALOUHSOMWO2WIZWRHIR4JTX","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":"5a82751e8aab31028a8ca5105c376e0716aebf4ea3d5b31b990d48685f864cf5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-11-06T20:44:25Z","title_canon_sha256":"93d578908352637f9ef2c725306611290a9ccd216e88f5cea622cbdcac9143ea"},"schema_version":"1.0","source":{"id":"1311.1493","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.1493","created_at":"2026-05-18T02:56:58Z"},{"alias_kind":"arxiv_version","alias_value":"1311.1493v1","created_at":"2026-05-18T02:56:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.1493","created_at":"2026-05-18T02:56:58Z"},{"alias_kind":"pith_short_12","alias_value":"3R3ALOUHSOMW","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"3R3ALOUHSOMWO2WI","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"3R3ALOUH","created_at":"2026-05-18T12:27:32Z"}],"graph_snapshots":[{"event_id":"sha256:fa758b417970d5a545d4b740dd0e303787f38b3f8b2bdf44c3d6d2a326804886","target":"graph","created_at":"2026-05-18T02:56:58Z","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 on the synthesis and the physical properties of Ba1-xRbxTi2Sb2O (x < 0.4) by x-ray diffraction, SQUID magnetometery, resistivity and specific heat measurements. Upon hole doping by substituting Ba with Rb, we find superconductivity with a maximum Tc = 5.4 K. Simultaneously, the charge-density-wave (CDW) transition temperature is strongly reduced from T_CDW 55 K in the parent compound BaTi2Sb2O and seems to be suppressed for x > 0.2. The bulk character of the superconducting state for the optimally doped sample (x = 0.2) is confirmed by the occurrence of a well developed discontinuity","authors_text":"Andreas Schilling, Fabian von Rohr, Reinhard Nesper","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-11-06T20:44:25Z","title":"Superconductivity in rubidium substituted Ba1-xRbxTi2Sb2O"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.1493","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":"sha256:9681babc5ead29e68892a039d3d4209a352ae9714df51cb4da2c0c6e412e9517","target":"record","created_at":"2026-05-18T02:56:58Z","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":"5a82751e8aab31028a8ca5105c376e0716aebf4ea3d5b31b990d48685f864cf5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-11-06T20:44:25Z","title_canon_sha256":"93d578908352637f9ef2c725306611290a9ccd216e88f5cea622cbdcac9143ea"},"schema_version":"1.0","source":{"id":"1311.1493","kind":"arxiv","version":1}},"canonical_sha256":"dc7605ba879399676ac8cda27447899ddd982d7c2abb830290153ae5b56ee9f6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dc7605ba879399676ac8cda27447899ddd982d7c2abb830290153ae5b56ee9f6","first_computed_at":"2026-05-18T02:56:58.298270Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:56:58.298270Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mKJxWOx9yx6hyymeODZHgr+LCRviy+09IQx+gYfdTUZ/fVVR1xFSeYL3zkaQo11Fsn7z0A4e/VM+CMqjLsl0Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:56:58.298670Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.1493","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9681babc5ead29e68892a039d3d4209a352ae9714df51cb4da2c0c6e412e9517","sha256:fa758b417970d5a545d4b740dd0e303787f38b3f8b2bdf44c3d6d2a326804886"],"state_sha256":"610c664c1a0d8f8521c64dab2bc190a24478762108b9dfec3f66633803ab2dcf"}