{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:ETJFBBYTBQTDNZ2XIM75EWJAS6","short_pith_number":"pith:ETJFBBYT","schema_version":"1.0","canonical_sha256":"24d25087130c2636e757433fd2592097b54b20952f5d4eaa31c350a69665d441","source":{"kind":"arxiv","id":"1809.09275","version":1},"attestation_state":"computed","paper":{"title":"Normal-state properties of the antiperovskite oxide Sr$_{3-x}$SnO revealed by $^{119}$Sn-NMR","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.supr-con","authors_text":"Atsutoshi Ikeda, Jan Niklas Hausmann, Kenji Ishida, Mohamed Oudah, Shingo Yonezawa, Shunsaku Kitagawa, Yoshiteru Maeno","submitted_at":"2018-09-25T01:10:41Z","abstract_excerpt":"We have performed $^{119}$Sn-NMR measurements on the antiperovskite oxide superconductor Sr$_{3-x}$SnO to investigate how its normal state changes with the Sr deficiency. A two-peak structure was observed in the NMR spectra of all the measured samples. This suggests that the phase separation tends to occur between the nearly stoichiometric and heavily Sr-deficient Sr$_{3-x}$SnO phases. The measurement of the nuclear spin-lattice relaxation rate $1/T_1$ indicates that the Sr-deficient phase shows a conventional metallic behavior due to the heavy hole doping. In contrast, the nearly stoichiometr"},"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":"1809.09275","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-09-25T01:10:41Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"3e54b823bedbf6f8723d187a971fccbb6fb2fadf907be3ab7585a6f2c3d9cc7b","abstract_canon_sha256":"eb599c4e6bc52010544f7ffa443a1003406da1fbfdfc5911b571e6e2e5fdde28"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:04:53.866813Z","signature_b64":"c3fSk/N3Eg3dzYYXk3JTXB6GYRTzzBaDoDc+4eCnWZpqupsre6SROkNxlf/5VLn1GVtliiGVbs6nEy0Tv3yDBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"24d25087130c2636e757433fd2592097b54b20952f5d4eaa31c350a69665d441","last_reissued_at":"2026-05-18T00:04:53.866234Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:04:53.866234Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Normal-state properties of the antiperovskite oxide Sr$_{3-x}$SnO revealed by $^{119}$Sn-NMR","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.supr-con","authors_text":"Atsutoshi Ikeda, Jan Niklas Hausmann, Kenji Ishida, Mohamed Oudah, Shingo Yonezawa, Shunsaku Kitagawa, Yoshiteru Maeno","submitted_at":"2018-09-25T01:10:41Z","abstract_excerpt":"We have performed $^{119}$Sn-NMR measurements on the antiperovskite oxide superconductor Sr$_{3-x}$SnO to investigate how its normal state changes with the Sr deficiency. A two-peak structure was observed in the NMR spectra of all the measured samples. This suggests that the phase separation tends to occur between the nearly stoichiometric and heavily Sr-deficient Sr$_{3-x}$SnO phases. The measurement of the nuclear spin-lattice relaxation rate $1/T_1$ indicates that the Sr-deficient phase shows a conventional metallic behavior due to the heavy hole doping. In contrast, the nearly stoichiometr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.09275","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":"1809.09275","created_at":"2026-05-18T00:04:53.866325+00:00"},{"alias_kind":"arxiv_version","alias_value":"1809.09275v1","created_at":"2026-05-18T00:04:53.866325+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.09275","created_at":"2026-05-18T00:04:53.866325+00:00"},{"alias_kind":"pith_short_12","alias_value":"ETJFBBYTBQTD","created_at":"2026-05-18T12:32:22.470017+00:00"},{"alias_kind":"pith_short_16","alias_value":"ETJFBBYTBQTDNZ2X","created_at":"2026-05-18T12:32:22.470017+00:00"},{"alias_kind":"pith_short_8","alias_value":"ETJFBBYT","created_at":"2026-05-18T12:32:22.470017+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/ETJFBBYTBQTDNZ2XIM75EWJAS6","json":"https://pith.science/pith/ETJFBBYTBQTDNZ2XIM75EWJAS6.json","graph_json":"https://pith.science/api/pith-number/ETJFBBYTBQTDNZ2XIM75EWJAS6/graph.json","events_json":"https://pith.science/api/pith-number/ETJFBBYTBQTDNZ2XIM75EWJAS6/events.json","paper":"https://pith.science/paper/ETJFBBYT"},"agent_actions":{"view_html":"https://pith.science/pith/ETJFBBYTBQTDNZ2XIM75EWJAS6","download_json":"https://pith.science/pith/ETJFBBYTBQTDNZ2XIM75EWJAS6.json","view_paper":"https://pith.science/paper/ETJFBBYT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1809.09275&json=true","fetch_graph":"https://pith.science/api/pith-number/ETJFBBYTBQTDNZ2XIM75EWJAS6/graph.json","fetch_events":"https://pith.science/api/pith-number/ETJFBBYTBQTDNZ2XIM75EWJAS6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ETJFBBYTBQTDNZ2XIM75EWJAS6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ETJFBBYTBQTDNZ2XIM75EWJAS6/action/storage_attestation","attest_author":"https://pith.science/pith/ETJFBBYTBQTDNZ2XIM75EWJAS6/action/author_attestation","sign_citation":"https://pith.science/pith/ETJFBBYTBQTDNZ2XIM75EWJAS6/action/citation_signature","submit_replication":"https://pith.science/pith/ETJFBBYTBQTDNZ2XIM75EWJAS6/action/replication_record"}},"created_at":"2026-05-18T00:04:53.866325+00:00","updated_at":"2026-05-18T00:04:53.866325+00:00"}