{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2001:WJSFTIXBH6N4HFVR6HGDSYLXGS","short_pith_number":"pith:WJSFTIXB","schema_version":"1.0","canonical_sha256":"b26459a2e13f9bc396b1f1cc3961773480f559f86d2b750301720959d625795e","source":{"kind":"arxiv","id":"cond-mat/0104371","version":2},"attestation_state":"computed","paper":{"title":"X-ray Photoemission Study of the Infinite-Layer Cuprate Superconductor Sr0.9La0.1CuO2","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"C. U. Jung, Heon-Jung Kim, J. Y. Kim, Min-Seok Park, R. P. Vasquez, Sung-Ik Lee","submitted_at":"2001-04-19T16:36:12Z","abstract_excerpt":"The electron-doped infinite-layer superconductor Sr0.9La0.1CuO2 is studied with x-ray photoemission spectroscopy (XPS). A nonaqueous chemical etchant is shown to effectively remove contaminants and to yield surfaces from which signals intrinsic to the superconductor dominate. These data are compared to measurements from hole-doped La1.85Sr0.15CuO4, from undoped La2CuO4, and from electron-doped Nd1.85Ce0.15CuO4-d. The Cu 2p core level is consistent with a lower value of the O 2p to Cu 3d charge transfer energy D than in hole-doped cuprates. A clear Fermi edge is observed in the valence band reg"},"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":"cond-mat/0104371","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2001-04-19T16:36:12Z","cross_cats_sorted":[],"title_canon_sha256":"1fa2e8fb04dd8d5d8dd5b1c621e920b839aad085280f2b752c570d99dbeb8071","abstract_canon_sha256":"03e5e1a500bd0088a90ea81c55fff1d27eebc0eb87ccb4dd56665fded37dcb6d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:25:25.952018Z","signature_b64":"oVRtv7Z2rApEJ0TVbEE69maY+2mUlc7/9rlQgq7iANInMqSiCq0kEMhAVJGd/wbs8cpb36YIRvFkIV2AfBtYAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b26459a2e13f9bc396b1f1cc3961773480f559f86d2b750301720959d625795e","last_reissued_at":"2026-07-04T16:25:25.951604Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:25:25.951604Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"X-ray Photoemission Study of the Infinite-Layer Cuprate Superconductor Sr0.9La0.1CuO2","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"C. U. Jung, Heon-Jung Kim, J. Y. Kim, Min-Seok Park, R. P. Vasquez, Sung-Ik Lee","submitted_at":"2001-04-19T16:36:12Z","abstract_excerpt":"The electron-doped infinite-layer superconductor Sr0.9La0.1CuO2 is studied with x-ray photoemission spectroscopy (XPS). A nonaqueous chemical etchant is shown to effectively remove contaminants and to yield surfaces from which signals intrinsic to the superconductor dominate. These data are compared to measurements from hole-doped La1.85Sr0.15CuO4, from undoped La2CuO4, and from electron-doped Nd1.85Ce0.15CuO4-d. The Cu 2p core level is consistent with a lower value of the O 2p to Cu 3d charge transfer energy D than in hole-doped cuprates. A clear Fermi edge is observed in the valence band reg"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0104371","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/cond-mat/0104371/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":"cond-mat/0104371","created_at":"2026-07-04T16:25:25.951663+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0104371v2","created_at":"2026-07-04T16:25:25.951663+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0104371","created_at":"2026-07-04T16:25:25.951663+00:00"},{"alias_kind":"pith_short_12","alias_value":"WJSFTIXBH6N4","created_at":"2026-07-04T16:25:25.951663+00:00"},{"alias_kind":"pith_short_16","alias_value":"WJSFTIXBH6N4HFVR","created_at":"2026-07-04T16:25:25.951663+00:00"},{"alias_kind":"pith_short_8","alias_value":"WJSFTIXB","created_at":"2026-07-04T16:25:25.951663+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/WJSFTIXBH6N4HFVR6HGDSYLXGS","json":"https://pith.science/pith/WJSFTIXBH6N4HFVR6HGDSYLXGS.json","graph_json":"https://pith.science/api/pith-number/WJSFTIXBH6N4HFVR6HGDSYLXGS/graph.json","events_json":"https://pith.science/api/pith-number/WJSFTIXBH6N4HFVR6HGDSYLXGS/events.json","paper":"https://pith.science/paper/WJSFTIXB"},"agent_actions":{"view_html":"https://pith.science/pith/WJSFTIXBH6N4HFVR6HGDSYLXGS","download_json":"https://pith.science/pith/WJSFTIXBH6N4HFVR6HGDSYLXGS.json","view_paper":"https://pith.science/paper/WJSFTIXB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/0104371&json=true","fetch_graph":"https://pith.science/api/pith-number/WJSFTIXBH6N4HFVR6HGDSYLXGS/graph.json","fetch_events":"https://pith.science/api/pith-number/WJSFTIXBH6N4HFVR6HGDSYLXGS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WJSFTIXBH6N4HFVR6HGDSYLXGS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WJSFTIXBH6N4HFVR6HGDSYLXGS/action/storage_attestation","attest_author":"https://pith.science/pith/WJSFTIXBH6N4HFVR6HGDSYLXGS/action/author_attestation","sign_citation":"https://pith.science/pith/WJSFTIXBH6N4HFVR6HGDSYLXGS/action/citation_signature","submit_replication":"https://pith.science/pith/WJSFTIXBH6N4HFVR6HGDSYLXGS/action/replication_record"}},"created_at":"2026-07-04T16:25:25.951663+00:00","updated_at":"2026-07-04T16:25:25.951663+00:00"}