{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:K72Z66SSUNZLO2J3EWJKDWKBUW","short_pith_number":"pith:K72Z66SS","schema_version":"1.0","canonical_sha256":"57f59f7a52a372b7693b2592a1d941a588bcf52faee2b20d02fc9d8e9f12acb0","source":{"kind":"arxiv","id":"1209.5447","version":2},"attestation_state":"computed","paper":{"title":"Ba1-xNaxTi2Sb2O (0.0 <= x <= 0.33): A Layered Titanium-based Pnictide Oxide Superconductor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Angela M\\\"oller, Arnold M. Guloy, Bernd Lorenz, Joshua Tapp, Melissa Gooch, Paul C.W. Chu, Phuong Doan, Zhongjia Tang","submitted_at":"2012-09-24T22:22:58Z","abstract_excerpt":"A new layered Ti-based pnictide oxide superconductor, Ba1-xNaxTi2Sb2O (0.0 <= x <= 0.33), is reported. X-ray studies reveal it crystallizes in the tetragonal CeCr2Si2C structure. The undoped parent compound, BaTi2Sb2O (P4/mmm; a=4.1196(1){\\AA}; c=8.0951(2){\\AA}), exhibits a CDW/SDW transition at 54K. Upon chemical doping with Na, the CDW/SDW transition is systematically suppressed and super-conductivity arises with the critical temperatures, Tc, increasing to 5.5 K. Bulk superconductivity is confirmed by resistivity, magnetic and heat capacity measurements. Like the high-Tc cuprates and the ir"},"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":"1209.5447","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-09-24T22:22:58Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"title_canon_sha256":"044eaf413586bd34fd6b77b30978351282fe72333ce8f8dd86b0b09d75b5b37a","abstract_canon_sha256":"39ba7806c9434a562443110a53dd44e0e08de2f9da7b17592a4f6e327de9c272"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:27:42.758773Z","signature_b64":"07KGb/noJo0RsZMfuZVToGOyOzyTC34DL3JubVt9FAiEFnW3H6VbwyauWuOckRy4KXtBxt9QJN35AFcI+mQMCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"57f59f7a52a372b7693b2592a1d941a588bcf52faee2b20d02fc9d8e9f12acb0","last_reissued_at":"2026-05-18T03:27:42.758357Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:27:42.758357Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ba1-xNaxTi2Sb2O (0.0 <= x <= 0.33): A Layered Titanium-based Pnictide Oxide Superconductor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Angela M\\\"oller, Arnold M. Guloy, Bernd Lorenz, Joshua Tapp, Melissa Gooch, Paul C.W. Chu, Phuong Doan, Zhongjia Tang","submitted_at":"2012-09-24T22:22:58Z","abstract_excerpt":"A new layered Ti-based pnictide oxide superconductor, Ba1-xNaxTi2Sb2O (0.0 <= x <= 0.33), is reported. X-ray studies reveal it crystallizes in the tetragonal CeCr2Si2C structure. The undoped parent compound, BaTi2Sb2O (P4/mmm; a=4.1196(1){\\AA}; c=8.0951(2){\\AA}), exhibits a CDW/SDW transition at 54K. Upon chemical doping with Na, the CDW/SDW transition is systematically suppressed and super-conductivity arises with the critical temperatures, Tc, increasing to 5.5 K. Bulk superconductivity is confirmed by resistivity, magnetic and heat capacity measurements. Like the high-Tc cuprates and the ir"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.5447","kind":"arxiv","version":2},"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":"1209.5447","created_at":"2026-05-18T03:27:42.758419+00:00"},{"alias_kind":"arxiv_version","alias_value":"1209.5447v2","created_at":"2026-05-18T03:27:42.758419+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.5447","created_at":"2026-05-18T03:27:42.758419+00:00"},{"alias_kind":"pith_short_12","alias_value":"K72Z66SSUNZL","created_at":"2026-05-18T12:27:11.947152+00:00"},{"alias_kind":"pith_short_16","alias_value":"K72Z66SSUNZLO2J3","created_at":"2026-05-18T12:27:11.947152+00:00"},{"alias_kind":"pith_short_8","alias_value":"K72Z66SS","created_at":"2026-05-18T12:27:11.947152+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/K72Z66SSUNZLO2J3EWJKDWKBUW","json":"https://pith.science/pith/K72Z66SSUNZLO2J3EWJKDWKBUW.json","graph_json":"https://pith.science/api/pith-number/K72Z66SSUNZLO2J3EWJKDWKBUW/graph.json","events_json":"https://pith.science/api/pith-number/K72Z66SSUNZLO2J3EWJKDWKBUW/events.json","paper":"https://pith.science/paper/K72Z66SS"},"agent_actions":{"view_html":"https://pith.science/pith/K72Z66SSUNZLO2J3EWJKDWKBUW","download_json":"https://pith.science/pith/K72Z66SSUNZLO2J3EWJKDWKBUW.json","view_paper":"https://pith.science/paper/K72Z66SS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1209.5447&json=true","fetch_graph":"https://pith.science/api/pith-number/K72Z66SSUNZLO2J3EWJKDWKBUW/graph.json","fetch_events":"https://pith.science/api/pith-number/K72Z66SSUNZLO2J3EWJKDWKBUW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/K72Z66SSUNZLO2J3EWJKDWKBUW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/K72Z66SSUNZLO2J3EWJKDWKBUW/action/storage_attestation","attest_author":"https://pith.science/pith/K72Z66SSUNZLO2J3EWJKDWKBUW/action/author_attestation","sign_citation":"https://pith.science/pith/K72Z66SSUNZLO2J3EWJKDWKBUW/action/citation_signature","submit_replication":"https://pith.science/pith/K72Z66SSUNZLO2J3EWJKDWKBUW/action/replication_record"}},"created_at":"2026-05-18T03:27:42.758419+00:00","updated_at":"2026-05-18T03:27:42.758419+00:00"}