{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:ZYVSKERR2Q2JOCV3RMJMDKN7UY","short_pith_number":"pith:ZYVSKERR","schema_version":"1.0","canonical_sha256":"ce2b251231d434970abb8b12c1a9bfa60fb2cd77a7fa7465c9177873fcb9d794","source":{"kind":"arxiv","id":"2606.28735","version":1},"attestation_state":"computed","paper":{"title":"Anomalous Behavior of the Ni$^{1+}$ moment and interstitial band in bi-infinite-layered La$_3$Ni$_2$O$_5$F","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"K.-W. Lee, W. E. Pickett, Young-Joon Song","submitted_at":"2026-06-27T05:04:43Z","abstract_excerpt":"The discovery of superconductivity in hole-doped Ni$^{1+}$ systems with \"infinite layer\" NiO$_2$ square-lattices analogous to the Cu$^{2+}$ CaCuO$_2$ cuprate has renewed conflicting pictures of the Cu$^{2+}$$-$Ni$^{1+}$ similarity or distinction. Recent synthesis of formal Ni$^{1+}$ La$_3$Ni$_{2}$O$_{5}$F with two infinite NiO$_{2}$ layers per cell provides a novel member of this class. First principles density functional theory studies reveal an interstitial density derived single band $E^*$ in three layers unrelated to any atom, which provides self-doping to a Ni$^{1.09+}$ ion.The blocking L"},"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":"2606.28735","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2026-06-27T05:04:43Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"title_canon_sha256":"1c72fd176199a56fcb94dafc2edfa15569fc77782bcd91648d76a6c8e048dabe","abstract_canon_sha256":"9106fffe856941d7c121f0e8910d27458aafb965da2311b9e09be4b90f67499c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-30T01:16:49.779366Z","signature_b64":"wunpiMcbsBWN6mCnW7ErrFTPJ4WblLe5T6z69wdhcEkcLyBiSpDxpZU+igrOPpbk6TRv2Be37yDS1xo6t4GUCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ce2b251231d434970abb8b12c1a9bfa60fb2cd77a7fa7465c9177873fcb9d794","last_reissued_at":"2026-06-30T01:16:49.778822Z","signature_status":"signed_v1","first_computed_at":"2026-06-30T01:16:49.778822Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Anomalous Behavior of the Ni$^{1+}$ moment and interstitial band in bi-infinite-layered La$_3$Ni$_2$O$_5$F","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"K.-W. Lee, W. E. Pickett, Young-Joon Song","submitted_at":"2026-06-27T05:04:43Z","abstract_excerpt":"The discovery of superconductivity in hole-doped Ni$^{1+}$ systems with \"infinite layer\" NiO$_2$ square-lattices analogous to the Cu$^{2+}$ CaCuO$_2$ cuprate has renewed conflicting pictures of the Cu$^{2+}$$-$Ni$^{1+}$ similarity or distinction. Recent synthesis of formal Ni$^{1+}$ La$_3$Ni$_{2}$O$_{5}$F with two infinite NiO$_{2}$ layers per cell provides a novel member of this class. First principles density functional theory studies reveal an interstitial density derived single band $E^*$ in three layers unrelated to any atom, which provides self-doping to a Ni$^{1.09+}$ ion.The blocking L"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.28735","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/2606.28735/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":"2606.28735","created_at":"2026-06-30T01:16:49.778906+00:00"},{"alias_kind":"arxiv_version","alias_value":"2606.28735v1","created_at":"2026-06-30T01:16:49.778906+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.28735","created_at":"2026-06-30T01:16:49.778906+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZYVSKERR2Q2J","created_at":"2026-06-30T01:16:49.778906+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZYVSKERR2Q2JOCV3","created_at":"2026-06-30T01:16:49.778906+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZYVSKERR","created_at":"2026-06-30T01:16:49.778906+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/ZYVSKERR2Q2JOCV3RMJMDKN7UY","json":"https://pith.science/pith/ZYVSKERR2Q2JOCV3RMJMDKN7UY.json","graph_json":"https://pith.science/api/pith-number/ZYVSKERR2Q2JOCV3RMJMDKN7UY/graph.json","events_json":"https://pith.science/api/pith-number/ZYVSKERR2Q2JOCV3RMJMDKN7UY/events.json","paper":"https://pith.science/paper/ZYVSKERR"},"agent_actions":{"view_html":"https://pith.science/pith/ZYVSKERR2Q2JOCV3RMJMDKN7UY","download_json":"https://pith.science/pith/ZYVSKERR2Q2JOCV3RMJMDKN7UY.json","view_paper":"https://pith.science/paper/ZYVSKERR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2606.28735&json=true","fetch_graph":"https://pith.science/api/pith-number/ZYVSKERR2Q2JOCV3RMJMDKN7UY/graph.json","fetch_events":"https://pith.science/api/pith-number/ZYVSKERR2Q2JOCV3RMJMDKN7UY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZYVSKERR2Q2JOCV3RMJMDKN7UY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZYVSKERR2Q2JOCV3RMJMDKN7UY/action/storage_attestation","attest_author":"https://pith.science/pith/ZYVSKERR2Q2JOCV3RMJMDKN7UY/action/author_attestation","sign_citation":"https://pith.science/pith/ZYVSKERR2Q2JOCV3RMJMDKN7UY/action/citation_signature","submit_replication":"https://pith.science/pith/ZYVSKERR2Q2JOCV3RMJMDKN7UY/action/replication_record"}},"created_at":"2026-06-30T01:16:49.778906+00:00","updated_at":"2026-06-30T01:16:49.778906+00:00"}