{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:MI5ROFESUZCOUMBCGG77TUVQ3D","short_pith_number":"pith:MI5ROFES","schema_version":"1.0","canonical_sha256":"623b171492a644ea302231bff9d2b0d8dade6151ef00643884bfdecba0855922","source":{"kind":"arxiv","id":"2108.02078","version":1},"attestation_state":"computed","paper":{"title":"Reduction annealing effects on the crystal structure of $T^{\\prime}$-type La$_{1.8}$Eu$_{0.2}$CuO$_{4+\\alpha-\\delta}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Koki Ohashi, Masaki Fujita, Masatsune Kato, Shuki Torii, Tadashi Adachi, Takanori Taniguchi, Takashi Kamiyama, Takayuki Kawamata, Tomohisa Takamatsu, Yoji Koike","submitted_at":"2021-08-04T14:22:59Z","abstract_excerpt":"We performed neutron powder diffraction measurements on the as-sintered (AS) and oxygen-reduced (OR) La$_{1.8}$Eu$_{0.2}$CuO$_{4+\\alpha-\\delta}$ (LECO). The structural parameters for oxygens in AS and OR samples refined by the Rietveld analysis are almost identical to those of the reference system, Pr$_{2}$CuO$_{4+\\alpha-\\delta}$. Thus, the two systems are comparable in terms of the structural changes in oxygens due to the annealing, although superconductivity appears only in LECO."},"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":"2108.02078","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2021-08-04T14:22:59Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"fc5985ab0b794e9277933d2575899d9d51206186baf17c59a245c0eeda10786e","abstract_canon_sha256":"59cad466246808509089e15a084215c1c838fdfe8b5aa067e45c14653d798adc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:40:01.473804Z","signature_b64":"lPiLPusRCvTvXRZz3CA74mBGrBke4EG42aRc7LctwNRDlVx3Wd1znkSVCVp+Z1mk3JQcDDYfm9fTnsapbOnlBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"623b171492a644ea302231bff9d2b0d8dade6151ef00643884bfdecba0855922","last_reissued_at":"2026-07-05T03:40:01.473371Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:40:01.473371Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Reduction annealing effects on the crystal structure of $T^{\\prime}$-type La$_{1.8}$Eu$_{0.2}$CuO$_{4+\\alpha-\\delta}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Koki Ohashi, Masaki Fujita, Masatsune Kato, Shuki Torii, Tadashi Adachi, Takanori Taniguchi, Takashi Kamiyama, Takayuki Kawamata, Tomohisa Takamatsu, Yoji Koike","submitted_at":"2021-08-04T14:22:59Z","abstract_excerpt":"We performed neutron powder diffraction measurements on the as-sintered (AS) and oxygen-reduced (OR) La$_{1.8}$Eu$_{0.2}$CuO$_{4+\\alpha-\\delta}$ (LECO). The structural parameters for oxygens in AS and OR samples refined by the Rietveld analysis are almost identical to those of the reference system, Pr$_{2}$CuO$_{4+\\alpha-\\delta}$. Thus, the two systems are comparable in terms of the structural changes in oxygens due to the annealing, although superconductivity appears only in LECO."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.02078","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2108.02078/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2108.02078","created_at":"2026-07-05T03:40:01.473433+00:00"},{"alias_kind":"arxiv_version","alias_value":"2108.02078v1","created_at":"2026-07-05T03:40:01.473433+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.02078","created_at":"2026-07-05T03:40:01.473433+00:00"},{"alias_kind":"pith_short_12","alias_value":"MI5ROFESUZCO","created_at":"2026-07-05T03:40:01.473433+00:00"},{"alias_kind":"pith_short_16","alias_value":"MI5ROFESUZCOUMBC","created_at":"2026-07-05T03:40:01.473433+00:00"},{"alias_kind":"pith_short_8","alias_value":"MI5ROFES","created_at":"2026-07-05T03:40:01.473433+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/MI5ROFESUZCOUMBCGG77TUVQ3D","json":"https://pith.science/pith/MI5ROFESUZCOUMBCGG77TUVQ3D.json","graph_json":"https://pith.science/api/pith-number/MI5ROFESUZCOUMBCGG77TUVQ3D/graph.json","events_json":"https://pith.science/api/pith-number/MI5ROFESUZCOUMBCGG77TUVQ3D/events.json","paper":"https://pith.science/paper/MI5ROFES"},"agent_actions":{"view_html":"https://pith.science/pith/MI5ROFESUZCOUMBCGG77TUVQ3D","download_json":"https://pith.science/pith/MI5ROFESUZCOUMBCGG77TUVQ3D.json","view_paper":"https://pith.science/paper/MI5ROFES","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2108.02078&json=true","fetch_graph":"https://pith.science/api/pith-number/MI5ROFESUZCOUMBCGG77TUVQ3D/graph.json","fetch_events":"https://pith.science/api/pith-number/MI5ROFESUZCOUMBCGG77TUVQ3D/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MI5ROFESUZCOUMBCGG77TUVQ3D/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MI5ROFESUZCOUMBCGG77TUVQ3D/action/storage_attestation","attest_author":"https://pith.science/pith/MI5ROFESUZCOUMBCGG77TUVQ3D/action/author_attestation","sign_citation":"https://pith.science/pith/MI5ROFESUZCOUMBCGG77TUVQ3D/action/citation_signature","submit_replication":"https://pith.science/pith/MI5ROFESUZCOUMBCGG77TUVQ3D/action/replication_record"}},"created_at":"2026-07-05T03:40:01.473433+00:00","updated_at":"2026-07-05T03:40:01.473433+00:00"}