{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:CGPAXD5PCHCOPS4E2IEPKUSUOB","short_pith_number":"pith:CGPAXD5P","canonical_record":{"source":{"id":"2403.12831","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2024-03-19T15:39:16Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"ca2d838d7802e22625703fa9341698efae0cd8ca24658bcc4991a20998aa913c","abstract_canon_sha256":"4ef5693bea2bbe2978545b5f5e7a60e244327b5d917d3d064b1f74b458aac74b"},"schema_version":"1.0"},"canonical_sha256":"119e0b8faf11c4e7cb84d208f55254704e6b326f42e33975ea9e1b50abc31426","source":{"kind":"arxiv","id":"2403.12831","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.12831","created_at":"2026-07-05T08:48:31Z"},{"alias_kind":"arxiv_version","alias_value":"2403.12831v3","created_at":"2026-07-05T08:48:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.12831","created_at":"2026-07-05T08:48:31Z"},{"alias_kind":"pith_short_12","alias_value":"CGPAXD5PCHCO","created_at":"2026-07-05T08:48:31Z"},{"alias_kind":"pith_short_16","alias_value":"CGPAXD5PCHCOPS4E","created_at":"2026-07-05T08:48:31Z"},{"alias_kind":"pith_short_8","alias_value":"CGPAXD5P","created_at":"2026-07-05T08:48:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:CGPAXD5PCHCOPS4E2IEPKUSUOB","target":"record","payload":{"canonical_record":{"source":{"id":"2403.12831","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2024-03-19T15:39:16Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"ca2d838d7802e22625703fa9341698efae0cd8ca24658bcc4991a20998aa913c","abstract_canon_sha256":"4ef5693bea2bbe2978545b5f5e7a60e244327b5d917d3d064b1f74b458aac74b"},"schema_version":"1.0"},"canonical_sha256":"119e0b8faf11c4e7cb84d208f55254704e6b326f42e33975ea9e1b50abc31426","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:48:31.460111Z","signature_b64":"CWt+hDZT8RAekizYDY0xfcXxivjC4hW9Z6rSWtIcFDR0YXNcCJHLDsRYFT0SrvIpXfCeLsvQxf0IHwe9BTbHDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"119e0b8faf11c4e7cb84d208f55254704e6b326f42e33975ea9e1b50abc31426","last_reissued_at":"2026-07-05T08:48:31.459729Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:48:31.459729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2403.12831","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:48:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RBatO3thpj3nsyUSUps8UXUZwoTvEOk0NBJizh9gPzPde0+GxT8TsDfWhdNy/Pz+QEZPJtFU2qS6os5K2iF+Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T09:34:43.320453Z"},"content_sha256":"73920356d8325f23046538ed4e637c14c222d3675991eeb2320e1760fac2f883","schema_version":"1.0","event_id":"sha256:73920356d8325f23046538ed4e637c14c222d3675991eeb2320e1760fac2f883"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:CGPAXD5PCHCOPS4E2IEPKUSUOB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electronic instability, layer selectivity and Fermi arcs in La$_3$Ni$_2$O$_7$","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"Frank Lechermann, Ilya M. Eremin, Steffen B\\\"otzel","submitted_at":"2024-03-19T15:39:16Z","abstract_excerpt":"Using advanced dynamical mean-field theory on a realistic level we study the normal-state correlated electronic structure of the high-pressure superconductor La$_3$Ni$_2$O$_7$ and compare the features of the conventional bilayer (2222) Ruddelsden-Popper crystal structure with those of a newly-identified monolayer-trilayer (1313) alternation. Both structural cases display Ni-$d_{z^2}$ flat-band character at low-energy, which drives an electronic instability with a wave vector ${\\bf q_{\\rm I}}=(0.25,0.25,q_z)$ at ambient pressure, in line with recent experimental findings. The 1313 electronic st"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.12831","kind":"arxiv","version":3},"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/2403.12831/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":"2026-07-05T08:48:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z/ol9DSbY7WnLtP7wSpAtTbYeOBjd53BNbPiJQZG6aYhhcTX/yDlJWGtcmafCamDROS9X7SN1021fAsz8h4iDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T09:34:43.320963Z"},"content_sha256":"607895b1d693b47ac87b62d8af2c006f45be3b8bb509a33c47442eaa5ff3dc6d","schema_version":"1.0","event_id":"sha256:607895b1d693b47ac87b62d8af2c006f45be3b8bb509a33c47442eaa5ff3dc6d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CGPAXD5PCHCOPS4E2IEPKUSUOB/bundle.json","state_url":"https://pith.science/pith/CGPAXD5PCHCOPS4E2IEPKUSUOB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CGPAXD5PCHCOPS4E2IEPKUSUOB/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":"2026-08-18T09:34:43Z","links":{"resolver":"https://pith.science/pith/CGPAXD5PCHCOPS4E2IEPKUSUOB","bundle":"https://pith.science/pith/CGPAXD5PCHCOPS4E2IEPKUSUOB/bundle.json","state":"https://pith.science/pith/CGPAXD5PCHCOPS4E2IEPKUSUOB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CGPAXD5PCHCOPS4E2IEPKUSUOB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:CGPAXD5PCHCOPS4E2IEPKUSUOB","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":"4ef5693bea2bbe2978545b5f5e7a60e244327b5d917d3d064b1f74b458aac74b","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2024-03-19T15:39:16Z","title_canon_sha256":"ca2d838d7802e22625703fa9341698efae0cd8ca24658bcc4991a20998aa913c"},"schema_version":"1.0","source":{"id":"2403.12831","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.12831","created_at":"2026-07-05T08:48:31Z"},{"alias_kind":"arxiv_version","alias_value":"2403.12831v3","created_at":"2026-07-05T08:48:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.12831","created_at":"2026-07-05T08:48:31Z"},{"alias_kind":"pith_short_12","alias_value":"CGPAXD5PCHCO","created_at":"2026-07-05T08:48:31Z"},{"alias_kind":"pith_short_16","alias_value":"CGPAXD5PCHCOPS4E","created_at":"2026-07-05T08:48:31Z"},{"alias_kind":"pith_short_8","alias_value":"CGPAXD5P","created_at":"2026-07-05T08:48:31Z"}],"graph_snapshots":[{"event_id":"sha256:607895b1d693b47ac87b62d8af2c006f45be3b8bb509a33c47442eaa5ff3dc6d","target":"graph","created_at":"2026-07-05T08:48:31Z","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/2403.12831/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Using advanced dynamical mean-field theory on a realistic level we study the normal-state correlated electronic structure of the high-pressure superconductor La$_3$Ni$_2$O$_7$ and compare the features of the conventional bilayer (2222) Ruddelsden-Popper crystal structure with those of a newly-identified monolayer-trilayer (1313) alternation. Both structural cases display Ni-$d_{z^2}$ flat-band character at low-energy, which drives an electronic instability with a wave vector ${\\bf q_{\\rm I}}=(0.25,0.25,q_z)$ at ambient pressure, in line with recent experimental findings. The 1313 electronic st","authors_text":"Frank Lechermann, Ilya M. Eremin, Steffen B\\\"otzel","cross_cats":["cond-mat.supr-con"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2024-03-19T15:39:16Z","title":"Electronic instability, layer selectivity and Fermi arcs in La$_3$Ni$_2$O$_7$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.12831","kind":"arxiv","version":3},"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":"sha256:73920356d8325f23046538ed4e637c14c222d3675991eeb2320e1760fac2f883","target":"record","created_at":"2026-07-05T08:48:31Z","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":"4ef5693bea2bbe2978545b5f5e7a60e244327b5d917d3d064b1f74b458aac74b","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2024-03-19T15:39:16Z","title_canon_sha256":"ca2d838d7802e22625703fa9341698efae0cd8ca24658bcc4991a20998aa913c"},"schema_version":"1.0","source":{"id":"2403.12831","kind":"arxiv","version":3}},"canonical_sha256":"119e0b8faf11c4e7cb84d208f55254704e6b326f42e33975ea9e1b50abc31426","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"119e0b8faf11c4e7cb84d208f55254704e6b326f42e33975ea9e1b50abc31426","first_computed_at":"2026-07-05T08:48:31.459729Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:48:31.459729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CWt+hDZT8RAekizYDY0xfcXxivjC4hW9Z6rSWtIcFDR0YXNcCJHLDsRYFT0SrvIpXfCeLsvQxf0IHwe9BTbHDw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:48:31.460111Z","signed_message":"canonical_sha256_bytes"},"source_id":"2403.12831","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:73920356d8325f23046538ed4e637c14c222d3675991eeb2320e1760fac2f883","sha256:607895b1d693b47ac87b62d8af2c006f45be3b8bb509a33c47442eaa5ff3dc6d"],"state_sha256":"33a01b6a95cae1e6571bd3dddcee845e4429b0d8c9c285d2cde9d0af2d39af9d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dmTAvf1NPHSeIYHX46Bn7RL599/gEGtLjjdFqmRETMMfrZnBqXHiwFoZ0s6dnHG6edz4HEZ5kRszn6d5tD2zCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T09:34:43.324513Z","bundle_sha256":"fad9c19d932b0a51c5ed12a2345ad47b91ded50b5d1ce44efbd18e8a5ba054ac"}}