{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:QLH5VPRLVZT35QFRX7BZ5RQO5Q","short_pith_number":"pith:QLH5VPRL","canonical_record":{"source":{"id":"cond-mat/0301537","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2003-01-28T06:26:37Z","cross_cats_sorted":[],"title_canon_sha256":"d13c9181d3393027a36a8c728c5427a75ef49cee62b0495634f5667aff20831b","abstract_canon_sha256":"ab5434543ca3658288062736bba700e89ffac67193d203912fc4f78cb084de2c"},"schema_version":"1.0"},"canonical_sha256":"82cfdabe2bae67bec0b1bfc39ec60eec06a9ec455a1f582c97c027cd24272fa7","source":{"kind":"arxiv","id":"cond-mat/0301537","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0301537","created_at":"2026-07-04T14:19:46Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0301537v1","created_at":"2026-07-04T14:19:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0301537","created_at":"2026-07-04T14:19:46Z"},{"alias_kind":"pith_short_12","alias_value":"QLH5VPRLVZT3","created_at":"2026-07-04T14:19:46Z"},{"alias_kind":"pith_short_16","alias_value":"QLH5VPRLVZT35QFR","created_at":"2026-07-04T14:19:46Z"},{"alias_kind":"pith_short_8","alias_value":"QLH5VPRL","created_at":"2026-07-04T14:19:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:QLH5VPRLVZT35QFRX7BZ5RQO5Q","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0301537","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2003-01-28T06:26:37Z","cross_cats_sorted":[],"title_canon_sha256":"d13c9181d3393027a36a8c728c5427a75ef49cee62b0495634f5667aff20831b","abstract_canon_sha256":"ab5434543ca3658288062736bba700e89ffac67193d203912fc4f78cb084de2c"},"schema_version":"1.0"},"canonical_sha256":"82cfdabe2bae67bec0b1bfc39ec60eec06a9ec455a1f582c97c027cd24272fa7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:19:46.200555Z","signature_b64":"qW+5yWw2bHnoC3cU95vGG40yVEmwGCHQmmDQM63hBJCLdnQAOmhZvzPSY/btvPpyYUMJt6suKt7LzCJrM///CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"82cfdabe2bae67bec0b1bfc39ec60eec06a9ec455a1f582c97c027cd24272fa7","last_reissued_at":"2026-07-04T14:19:46.199776Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:19:46.199776Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0301537","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":"2026-07-04T14:19:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W64GQ9sE2g80CCbf8IQzQBjVk+xpqRR1ZNSGeRBaFd+FDbCKL1yGc8scQYABTKdLS8TqfKpZ2L3Q8aRuN2/TDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T02:49:24.919916Z"},"content_sha256":"1c83aee8448435e9eb4ff04c86f9d93287e5bbcef9b620602b2132bb66cc2877","schema_version":"1.0","event_id":"sha256:1c83aee8448435e9eb4ff04c86f9d93287e5bbcef9b620602b2132bb66cc2877"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:QLH5VPRLVZT35QFRX7BZ5RQO5Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Surface versus bulk Mott transition in Ca$_x$La$_{1-x}$VO$_3$","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. Liebsch","submitted_at":"2003-01-28T06:26:37Z","abstract_excerpt":"The Mott insulator LaVO$_3$ is known to become metallic if La is replaced by small concentrations of Ca. Since surface quasi-particle spectra of various perovskites are more strongly correlated than their bulk spectra, the coexistence of a metallic bulk and an insulating surface layer might be feasible. To investigate this possibility the dynamical mean field theory is used to evaluate the quasi-particle spectra in the bulk and at the surface of Ca$_x$La$_{1-x}$VO$_3$ for various Ca concentrations."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0301537","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/cond-mat/0301537/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":"2026-07-04T14:19:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hqA0eUMeR59ZRLapbwHqSnC6cYBjL61QJyn6ZioC77BCXOfGZWzint6K+/Vnv005KZ3seF2ohQUB1/Ev3/Z8Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T02:49:24.920286Z"},"content_sha256":"1f411bb637152e7cf9028575db3cf2d68f0d6c04c61f7fd25df9ca54eb5ee006","schema_version":"1.0","event_id":"sha256:1f411bb637152e7cf9028575db3cf2d68f0d6c04c61f7fd25df9ca54eb5ee006"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QLH5VPRLVZT35QFRX7BZ5RQO5Q/bundle.json","state_url":"https://pith.science/pith/QLH5VPRLVZT35QFRX7BZ5RQO5Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QLH5VPRLVZT35QFRX7BZ5RQO5Q/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":"2026-07-08T02:49:24Z","links":{"resolver":"https://pith.science/pith/QLH5VPRLVZT35QFRX7BZ5RQO5Q","bundle":"https://pith.science/pith/QLH5VPRLVZT35QFRX7BZ5RQO5Q/bundle.json","state":"https://pith.science/pith/QLH5VPRLVZT35QFRX7BZ5RQO5Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QLH5VPRLVZT35QFRX7BZ5RQO5Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:QLH5VPRLVZT35QFRX7BZ5RQO5Q","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":"ab5434543ca3658288062736bba700e89ffac67193d203912fc4f78cb084de2c","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2003-01-28T06:26:37Z","title_canon_sha256":"d13c9181d3393027a36a8c728c5427a75ef49cee62b0495634f5667aff20831b"},"schema_version":"1.0","source":{"id":"cond-mat/0301537","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0301537","created_at":"2026-07-04T14:19:46Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0301537v1","created_at":"2026-07-04T14:19:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0301537","created_at":"2026-07-04T14:19:46Z"},{"alias_kind":"pith_short_12","alias_value":"QLH5VPRLVZT3","created_at":"2026-07-04T14:19:46Z"},{"alias_kind":"pith_short_16","alias_value":"QLH5VPRLVZT35QFR","created_at":"2026-07-04T14:19:46Z"},{"alias_kind":"pith_short_8","alias_value":"QLH5VPRL","created_at":"2026-07-04T14:19:46Z"}],"graph_snapshots":[{"event_id":"sha256:1f411bb637152e7cf9028575db3cf2d68f0d6c04c61f7fd25df9ca54eb5ee006","target":"graph","created_at":"2026-07-04T14:19:46Z","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/cond-mat/0301537/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Mott insulator LaVO$_3$ is known to become metallic if La is replaced by small concentrations of Ca. Since surface quasi-particle spectra of various perovskites are more strongly correlated than their bulk spectra, the coexistence of a metallic bulk and an insulating surface layer might be feasible. To investigate this possibility the dynamical mean field theory is used to evaluate the quasi-particle spectra in the bulk and at the surface of Ca$_x$La$_{1-x}$VO$_3$ for various Ca concentrations.","authors_text":"A. Liebsch","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.str-el","submitted_at":"2003-01-28T06:26:37Z","title":"Surface versus bulk Mott transition in Ca$_x$La$_{1-x}$VO$_3$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0301537","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":"sha256:1c83aee8448435e9eb4ff04c86f9d93287e5bbcef9b620602b2132bb66cc2877","target":"record","created_at":"2026-07-04T14:19:46Z","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":"ab5434543ca3658288062736bba700e89ffac67193d203912fc4f78cb084de2c","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2003-01-28T06:26:37Z","title_canon_sha256":"d13c9181d3393027a36a8c728c5427a75ef49cee62b0495634f5667aff20831b"},"schema_version":"1.0","source":{"id":"cond-mat/0301537","kind":"arxiv","version":1}},"canonical_sha256":"82cfdabe2bae67bec0b1bfc39ec60eec06a9ec455a1f582c97c027cd24272fa7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"82cfdabe2bae67bec0b1bfc39ec60eec06a9ec455a1f582c97c027cd24272fa7","first_computed_at":"2026-07-04T14:19:46.199776Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:19:46.199776Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qW+5yWw2bHnoC3cU95vGG40yVEmwGCHQmmDQM63hBJCLdnQAOmhZvzPSY/btvPpyYUMJt6suKt7LzCJrM///CQ==","signature_status":"signed_v1","signed_at":"2026-07-04T14:19:46.200555Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0301537","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1c83aee8448435e9eb4ff04c86f9d93287e5bbcef9b620602b2132bb66cc2877","sha256:1f411bb637152e7cf9028575db3cf2d68f0d6c04c61f7fd25df9ca54eb5ee006"],"state_sha256":"4ae5132e20e90fe4db1c67666a82c98089611719e93d74e918729d8f36570940"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wdhcuO+UYZnImVtT8uUdUdjorLwmW7kPY3814GgavLUckDbCePoySPdWYKtu674nTYqSWEK3oHy1KcFRBzF7Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T02:49:24.922232Z","bundle_sha256":"1d8e479baa0147c0de329c372a7a70deaa2742a5647da5e5679d4dee8a229a2f"}}