{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:KBCOGYV57QJTEFJA6ERZNNZ5X6","short_pith_number":"pith:KBCOGYV5","canonical_record":{"source":{"id":"1409.1543","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-09-04T19:08:20Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"137087527be71c0f31b12cd3800f76e5839c9f64052e5bf5eb2465fa0353fa19","abstract_canon_sha256":"fa365bc3aadce87f4b201c9582dbb8f3f949fbd933abfea795afa23aedac6307"},"schema_version":"1.0"},"canonical_sha256":"5044e362bdfc13321520f12396b73dbf8fbb008d1a2cd21aaae233ae5d07bd8c","source":{"kind":"arxiv","id":"1409.1543","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.1543","created_at":"2026-05-18T01:25:47Z"},{"alias_kind":"arxiv_version","alias_value":"1409.1543v2","created_at":"2026-05-18T01:25:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.1543","created_at":"2026-05-18T01:25:47Z"},{"alias_kind":"pith_short_12","alias_value":"KBCOGYV57QJT","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KBCOGYV57QJTEFJA","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KBCOGYV5","created_at":"2026-05-18T12:28:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:KBCOGYV57QJTEFJA6ERZNNZ5X6","target":"record","payload":{"canonical_record":{"source":{"id":"1409.1543","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-09-04T19:08:20Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"137087527be71c0f31b12cd3800f76e5839c9f64052e5bf5eb2465fa0353fa19","abstract_canon_sha256":"fa365bc3aadce87f4b201c9582dbb8f3f949fbd933abfea795afa23aedac6307"},"schema_version":"1.0"},"canonical_sha256":"5044e362bdfc13321520f12396b73dbf8fbb008d1a2cd21aaae233ae5d07bd8c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:25:47.565919Z","signature_b64":"nTpmC/YgrddJMVn0NN+XWu6YvXqpZVrmCUFZDPhHm8cEENAoUKk/ikYbAichqIZBbkqG/hJKYk236p7lO4RrAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5044e362bdfc13321520f12396b73dbf8fbb008d1a2cd21aaae233ae5d07bd8c","last_reissued_at":"2026-05-18T01:25:47.565389Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:25:47.565389Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.1543","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:25:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b7sSDH27TxCwZckkIyyqvHw5NYVS4WXT551PElBrlPOrbeSevA/jWDgTweRgk2YtQ0zJluq7Y+Ve3N8VN4WTAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T19:43:17.620069Z"},"content_sha256":"314dd0e571b692d39c36ee0522ff9a53942e8101dc9e39f683f6f1b08069a2aa","schema_version":"1.0","event_id":"sha256:314dd0e571b692d39c36ee0522ff9a53942e8101dc9e39f683f6f1b08069a2aa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:KBCOGYV57QJTEFJA6ERZNNZ5X6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fermi arcs and pseudogap emerging from dimensional crossover at the Fermi surface in La$_{2-x}$Sr$_x$CuO$_4$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"D. K. Sunko, P. Lazic","submitted_at":"2014-09-04T19:08:20Z","abstract_excerpt":"The doping mechanism and realistic Fermi surface (FS) evolution of La$_{2-x}$Sr$_x$CuO$_4$ (LSCO) are modelled within an extensive ab-initio framework including advanced band-unfolding techniques. We show that ordinary Kohn-Sham DFT+U can reproduce the observed metal-insulator transition, when not restricted to the paramagnetic solution space. Arcs are self-doped by orbital charge transfer within the Cu-O planes, while the introduced Sr charge is strongly localized. Arc protection and the inadequacy of the rigid-band picture are consequences of a rapid change in orbital symmetry at the Fermi e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.1543","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":""},"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":"2026-05-18T01:25:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9lFPNcmI4RWreA7IckaPWnb31UyFxiBUpLcwFfbL3GNl+Z2jZ7e07x49lNLjiESifHiye8QdvW6izJvIrt1hAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T19:43:17.620426Z"},"content_sha256":"4fdd5cc966433ee48ef3f260eaad0befe03884b0fb1fa8acfe14b353360210cd","schema_version":"1.0","event_id":"sha256:4fdd5cc966433ee48ef3f260eaad0befe03884b0fb1fa8acfe14b353360210cd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KBCOGYV57QJTEFJA6ERZNNZ5X6/bundle.json","state_url":"https://pith.science/pith/KBCOGYV57QJTEFJA6ERZNNZ5X6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KBCOGYV57QJTEFJA6ERZNNZ5X6/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":"2026-06-29T19:43:17Z","links":{"resolver":"https://pith.science/pith/KBCOGYV57QJTEFJA6ERZNNZ5X6","bundle":"https://pith.science/pith/KBCOGYV57QJTEFJA6ERZNNZ5X6/bundle.json","state":"https://pith.science/pith/KBCOGYV57QJTEFJA6ERZNNZ5X6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KBCOGYV57QJTEFJA6ERZNNZ5X6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:KBCOGYV57QJTEFJA6ERZNNZ5X6","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":"fa365bc3aadce87f4b201c9582dbb8f3f949fbd933abfea795afa23aedac6307","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-09-04T19:08:20Z","title_canon_sha256":"137087527be71c0f31b12cd3800f76e5839c9f64052e5bf5eb2465fa0353fa19"},"schema_version":"1.0","source":{"id":"1409.1543","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.1543","created_at":"2026-05-18T01:25:47Z"},{"alias_kind":"arxiv_version","alias_value":"1409.1543v2","created_at":"2026-05-18T01:25:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.1543","created_at":"2026-05-18T01:25:47Z"},{"alias_kind":"pith_short_12","alias_value":"KBCOGYV57QJT","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KBCOGYV57QJTEFJA","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KBCOGYV5","created_at":"2026-05-18T12:28:35Z"}],"graph_snapshots":[{"event_id":"sha256:4fdd5cc966433ee48ef3f260eaad0befe03884b0fb1fa8acfe14b353360210cd","target":"graph","created_at":"2026-05-18T01:25:47Z","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"},"paper":{"abstract_excerpt":"The doping mechanism and realistic Fermi surface (FS) evolution of La$_{2-x}$Sr$_x$CuO$_4$ (LSCO) are modelled within an extensive ab-initio framework including advanced band-unfolding techniques. We show that ordinary Kohn-Sham DFT+U can reproduce the observed metal-insulator transition, when not restricted to the paramagnetic solution space. Arcs are self-doped by orbital charge transfer within the Cu-O planes, while the introduced Sr charge is strongly localized. Arc protection and the inadequacy of the rigid-band picture are consequences of a rapid change in orbital symmetry at the Fermi e","authors_text":"D. K. Sunko, P. Lazic","cross_cats":["cond-mat.supr-con"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-09-04T19:08:20Z","title":"Fermi arcs and pseudogap emerging from dimensional crossover at the Fermi surface in La$_{2-x}$Sr$_x$CuO$_4$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.1543","kind":"arxiv","version":2},"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":"sha256:314dd0e571b692d39c36ee0522ff9a53942e8101dc9e39f683f6f1b08069a2aa","target":"record","created_at":"2026-05-18T01:25:47Z","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":"fa365bc3aadce87f4b201c9582dbb8f3f949fbd933abfea795afa23aedac6307","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-09-04T19:08:20Z","title_canon_sha256":"137087527be71c0f31b12cd3800f76e5839c9f64052e5bf5eb2465fa0353fa19"},"schema_version":"1.0","source":{"id":"1409.1543","kind":"arxiv","version":2}},"canonical_sha256":"5044e362bdfc13321520f12396b73dbf8fbb008d1a2cd21aaae233ae5d07bd8c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5044e362bdfc13321520f12396b73dbf8fbb008d1a2cd21aaae233ae5d07bd8c","first_computed_at":"2026-05-18T01:25:47.565389Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:25:47.565389Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nTpmC/YgrddJMVn0NN+XWu6YvXqpZVrmCUFZDPhHm8cEENAoUKk/ikYbAichqIZBbkqG/hJKYk236p7lO4RrAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:25:47.565919Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.1543","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:314dd0e571b692d39c36ee0522ff9a53942e8101dc9e39f683f6f1b08069a2aa","sha256:4fdd5cc966433ee48ef3f260eaad0befe03884b0fb1fa8acfe14b353360210cd"],"state_sha256":"1ac337227d0bfb20784e7278b222ad0cc589e0e213c0e7b1bc7df9d46ab78a1b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vSe06FTaLYb9m5wpYeJzOBupqfW2W4iHgHZLILYAv1cwkAlNm4OpUHCnr6rHLtb266oU39laU9IxQeftMHRLBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-29T19:43:17.622252Z","bundle_sha256":"6aeca6d6594264d595647eec47fdb547714823b576d0a8975942b7885cd17b40"}}