{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:YGBSJ2LRCQZSSYKCYBQ55NWV3U","short_pith_number":"pith:YGBSJ2LR","canonical_record":{"source":{"id":"2310.12669","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-10-19T11:58:00Z","cross_cats_sorted":[],"title_canon_sha256":"a1c712cce55fa9b6240e3379c9224d232d02fc0d0c5c9a519c381c0c9cc006c7","abstract_canon_sha256":"1bfaaaa1965637cf660d94cd48e069eabef44faa3b6cefcced66457378253f93"},"schema_version":"1.0"},"canonical_sha256":"c18324e9711433296142c061deb6d5dd36b10a22f453f640a865831d64dbd62f","source":{"kind":"arxiv","id":"2310.12669","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.12669","created_at":"2026-07-05T07:02:41Z"},{"alias_kind":"arxiv_version","alias_value":"2310.12669v1","created_at":"2026-07-05T07:02:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.12669","created_at":"2026-07-05T07:02:41Z"},{"alias_kind":"pith_short_12","alias_value":"YGBSJ2LRCQZS","created_at":"2026-07-05T07:02:41Z"},{"alias_kind":"pith_short_16","alias_value":"YGBSJ2LRCQZSSYKC","created_at":"2026-07-05T07:02:41Z"},{"alias_kind":"pith_short_8","alias_value":"YGBSJ2LR","created_at":"2026-07-05T07:02:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:YGBSJ2LRCQZSSYKCYBQ55NWV3U","target":"record","payload":{"canonical_record":{"source":{"id":"2310.12669","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-10-19T11:58:00Z","cross_cats_sorted":[],"title_canon_sha256":"a1c712cce55fa9b6240e3379c9224d232d02fc0d0c5c9a519c381c0c9cc006c7","abstract_canon_sha256":"1bfaaaa1965637cf660d94cd48e069eabef44faa3b6cefcced66457378253f93"},"schema_version":"1.0"},"canonical_sha256":"c18324e9711433296142c061deb6d5dd36b10a22f453f640a865831d64dbd62f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:02:41.331565Z","signature_b64":"EIRj6TAu+2WGArevyaewpBuJPPDaRy9FID3XkS/54q3F6lwhl7vHeugQD2UBmWAijkN2AhMlNq1bZXDJS95/CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c18324e9711433296142c061deb6d5dd36b10a22f453f640a865831d64dbd62f","last_reissued_at":"2026-07-05T07:02:41.331183Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:02:41.331183Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2310.12669","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T07:02:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bvqyY80f7iwTOfMpY5oHwhnwGD7p3POwm4DkGrdPjEO2Uj5wqrczKFVHuLtyTx2vDCdkT5HduqAOoqMlrKqKBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T10:38:32.113046Z"},"content_sha256":"3dfcdf70bd68df01cafd0358afb6780bdf140449fa45af90c48a92334540a781","schema_version":"1.0","event_id":"sha256:3dfcdf70bd68df01cafd0358afb6780bdf140449fa45af90c48a92334540a781"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:YGBSJ2LRCQZSSYKCYBQ55NWV3U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nature of the metallic and in-gap states in Ni-doped SrTiO$_3$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Berengar Leikert, Christine Richter, Fatima Alarab, J\\'an Min\\'ar, Karol Hricovini, Michael Sing, Ralph Claessen, Thorsten Schmitt, Vladimir N. Strocov","submitted_at":"2023-10-19T11:58:00Z","abstract_excerpt":"Epitaxial thin films of SrTiO$_3$(100) doped with 6% and 12% Ni are studied with resonant angle-resolved photoelectron spectroscopy (ARPES) at the Ti and Ni L2,3-edges. We find that the Ni doping shifts the valence band (VB) of pristine SrTiO$_3$ towards the Fermi level (p-doping) and reduces its band gap. This is accompanied by an upward energy shift of the Ti t2g-derived mobile electron system (MES). Thereby, the in-plane dxy-derived bands reduce the embedded electron density, as evidenced by progressive reduction of their Fermi momentum with the Ni concentration, and the out-of-plane dxz/yz"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.12669","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/2310.12669/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T07:02:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2z34ptOEOQyiPjXe3Sg5Ma61zia8X+NThI+e44ELvkRTTRTrS0i9xgL2HsGbvnT1If950UPrFQVgU3vUwPRJBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T10:38:32.113581Z"},"content_sha256":"bf12568c0043a52e3c3f990b1c9c3329fe0ba16fb8994655b0292694ee722157","schema_version":"1.0","event_id":"sha256:bf12568c0043a52e3c3f990b1c9c3329fe0ba16fb8994655b0292694ee722157"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YGBSJ2LRCQZSSYKCYBQ55NWV3U/bundle.json","state_url":"https://pith.science/pith/YGBSJ2LRCQZSSYKCYBQ55NWV3U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YGBSJ2LRCQZSSYKCYBQ55NWV3U/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-21T10:38:32Z","links":{"resolver":"https://pith.science/pith/YGBSJ2LRCQZSSYKCYBQ55NWV3U","bundle":"https://pith.science/pith/YGBSJ2LRCQZSSYKCYBQ55NWV3U/bundle.json","state":"https://pith.science/pith/YGBSJ2LRCQZSSYKCYBQ55NWV3U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YGBSJ2LRCQZSSYKCYBQ55NWV3U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:YGBSJ2LRCQZSSYKCYBQ55NWV3U","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"1bfaaaa1965637cf660d94cd48e069eabef44faa3b6cefcced66457378253f93","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-10-19T11:58:00Z","title_canon_sha256":"a1c712cce55fa9b6240e3379c9224d232d02fc0d0c5c9a519c381c0c9cc006c7"},"schema_version":"1.0","source":{"id":"2310.12669","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.12669","created_at":"2026-07-05T07:02:41Z"},{"alias_kind":"arxiv_version","alias_value":"2310.12669v1","created_at":"2026-07-05T07:02:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.12669","created_at":"2026-07-05T07:02:41Z"},{"alias_kind":"pith_short_12","alias_value":"YGBSJ2LRCQZS","created_at":"2026-07-05T07:02:41Z"},{"alias_kind":"pith_short_16","alias_value":"YGBSJ2LRCQZSSYKC","created_at":"2026-07-05T07:02:41Z"},{"alias_kind":"pith_short_8","alias_value":"YGBSJ2LR","created_at":"2026-07-05T07:02:41Z"}],"graph_snapshots":[{"event_id":"sha256:bf12568c0043a52e3c3f990b1c9c3329fe0ba16fb8994655b0292694ee722157","target":"graph","created_at":"2026-07-05T07:02:41Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2310.12669/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Epitaxial thin films of SrTiO$_3$(100) doped with 6% and 12% Ni are studied with resonant angle-resolved photoelectron spectroscopy (ARPES) at the Ti and Ni L2,3-edges. We find that the Ni doping shifts the valence band (VB) of pristine SrTiO$_3$ towards the Fermi level (p-doping) and reduces its band gap. This is accompanied by an upward energy shift of the Ti t2g-derived mobile electron system (MES). Thereby, the in-plane dxy-derived bands reduce the embedded electron density, as evidenced by progressive reduction of their Fermi momentum with the Ni concentration, and the out-of-plane dxz/yz","authors_text":"Berengar Leikert, Christine Richter, Fatima Alarab, J\\'an Min\\'ar, Karol Hricovini, Michael Sing, Ralph Claessen, Thorsten Schmitt, Vladimir N. Strocov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-10-19T11:58:00Z","title":"Nature of the metallic and in-gap states in Ni-doped SrTiO$_3$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.12669","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:3dfcdf70bd68df01cafd0358afb6780bdf140449fa45af90c48a92334540a781","target":"record","created_at":"2026-07-05T07:02:41Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"1bfaaaa1965637cf660d94cd48e069eabef44faa3b6cefcced66457378253f93","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-10-19T11:58:00Z","title_canon_sha256":"a1c712cce55fa9b6240e3379c9224d232d02fc0d0c5c9a519c381c0c9cc006c7"},"schema_version":"1.0","source":{"id":"2310.12669","kind":"arxiv","version":1}},"canonical_sha256":"c18324e9711433296142c061deb6d5dd36b10a22f453f640a865831d64dbd62f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c18324e9711433296142c061deb6d5dd36b10a22f453f640a865831d64dbd62f","first_computed_at":"2026-07-05T07:02:41.331183Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:02:41.331183Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EIRj6TAu+2WGArevyaewpBuJPPDaRy9FID3XkS/54q3F6lwhl7vHeugQD2UBmWAijkN2AhMlNq1bZXDJS95/CA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:02:41.331565Z","signed_message":"canonical_sha256_bytes"},"source_id":"2310.12669","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3dfcdf70bd68df01cafd0358afb6780bdf140449fa45af90c48a92334540a781","sha256:bf12568c0043a52e3c3f990b1c9c3329fe0ba16fb8994655b0292694ee722157"],"state_sha256":"a4726be3ca114e7748cdd860773bf5ed99a837d3e4223a015c337b8f2e18afce"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y+7NtZjOtTPRZiAeBmhdJJ8W65Lz6P192m31c/5hi3JpxBB73p6I+ankqW6cmmo2/GiqSqnuC5jufp3vlXlJDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T10:38:32.118146Z","bundle_sha256":"899152b974367bd404d7c33f66624a2fb8efa482590a604493a2642b83672604"}}