{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:EUJFCNQA7KGFK6OXSQJ6ZH3RVI","short_pith_number":"pith:EUJFCNQA","schema_version":"1.0","canonical_sha256":"2512513600fa8c5579d79413ec9f71aa30347abf461e06cbd6af509f7978fd7c","source":{"kind":"arxiv","id":"2405.10863","version":2},"attestation_state":"computed","paper":{"title":"Extended Coupled Cluster approach to Twisted Graphene Layers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"Ingvars Vitenburgs, Niels R. Walet","submitted_at":"2024-05-17T15:49:35Z","abstract_excerpt":"A study of correlation effects in twisted bilayer graphene, using the extended coupled cluster method, is presented. This approach considers both self-consistent mean-field and beyond mean-field contributions, and can describe phase transitions in such strongly correlated systems, without further inputs or assumptions. Detailed expressions and a suitable implementation for the method are developed. Combining modern tensor contraction techniques with singular value decomposition, the correlation effects are successfully described in a qualitative manner, including contributions from the short-r"},"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":"2405.10863","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2024-05-17T15:49:35Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"abf40484049b992c925f5443d25c1434356afb8716047de499ceac97f0d2d197","abstract_canon_sha256":"d9bfbf6f14a3fd936352b0a0bfca2ba4be5c87b8a8b8f52b791cc3adea0e5392"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-03T00:16:49.074517Z","signature_b64":"iSPlY1gGQGQOTYdqOzGnD09yPY6xZbnApfp/pZ6aLG1G8e2KNWsbNjpLijeSBBHb7XCfGQaFOzU2Zq6MTheNBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2512513600fa8c5579d79413ec9f71aa30347abf461e06cbd6af509f7978fd7c","last_reissued_at":"2026-07-03T00:16:49.073993Z","signature_status":"signed_v1","first_computed_at":"2026-07-03T00:16:49.073993Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Extended Coupled Cluster approach to Twisted Graphene Layers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"Ingvars Vitenburgs, Niels R. Walet","submitted_at":"2024-05-17T15:49:35Z","abstract_excerpt":"A study of correlation effects in twisted bilayer graphene, using the extended coupled cluster method, is presented. This approach considers both self-consistent mean-field and beyond mean-field contributions, and can describe phase transitions in such strongly correlated systems, without further inputs or assumptions. Detailed expressions and a suitable implementation for the method are developed. Combining modern tensor contraction techniques with singular value decomposition, the correlation effects are successfully described in a qualitative manner, including contributions from the short-r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.10863","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2405.10863/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":"2405.10863","created_at":"2026-07-03T00:16:49.074054+00:00"},{"alias_kind":"arxiv_version","alias_value":"2405.10863v2","created_at":"2026-07-03T00:16:49.074054+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.10863","created_at":"2026-07-03T00:16:49.074054+00:00"},{"alias_kind":"pith_short_12","alias_value":"EUJFCNQA7KGF","created_at":"2026-07-03T00:16:49.074054+00:00"},{"alias_kind":"pith_short_16","alias_value":"EUJFCNQA7KGFK6OX","created_at":"2026-07-03T00:16:49.074054+00:00"},{"alias_kind":"pith_short_8","alias_value":"EUJFCNQA","created_at":"2026-07-03T00:16:49.074054+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/EUJFCNQA7KGFK6OXSQJ6ZH3RVI","json":"https://pith.science/pith/EUJFCNQA7KGFK6OXSQJ6ZH3RVI.json","graph_json":"https://pith.science/api/pith-number/EUJFCNQA7KGFK6OXSQJ6ZH3RVI/graph.json","events_json":"https://pith.science/api/pith-number/EUJFCNQA7KGFK6OXSQJ6ZH3RVI/events.json","paper":"https://pith.science/paper/EUJFCNQA"},"agent_actions":{"view_html":"https://pith.science/pith/EUJFCNQA7KGFK6OXSQJ6ZH3RVI","download_json":"https://pith.science/pith/EUJFCNQA7KGFK6OXSQJ6ZH3RVI.json","view_paper":"https://pith.science/paper/EUJFCNQA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2405.10863&json=true","fetch_graph":"https://pith.science/api/pith-number/EUJFCNQA7KGFK6OXSQJ6ZH3RVI/graph.json","fetch_events":"https://pith.science/api/pith-number/EUJFCNQA7KGFK6OXSQJ6ZH3RVI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EUJFCNQA7KGFK6OXSQJ6ZH3RVI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EUJFCNQA7KGFK6OXSQJ6ZH3RVI/action/storage_attestation","attest_author":"https://pith.science/pith/EUJFCNQA7KGFK6OXSQJ6ZH3RVI/action/author_attestation","sign_citation":"https://pith.science/pith/EUJFCNQA7KGFK6OXSQJ6ZH3RVI/action/citation_signature","submit_replication":"https://pith.science/pith/EUJFCNQA7KGFK6OXSQJ6ZH3RVI/action/replication_record"}},"created_at":"2026-07-03T00:16:49.074054+00:00","updated_at":"2026-07-03T00:16:49.074054+00:00"}