{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:NNK5CYOTPX5U47EYP6NIR66IOB","short_pith_number":"pith:NNK5CYOT","canonical_record":{"source":{"id":"1608.07668","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-08-27T07:12:54Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"414087892d9347f2832908a1baf90ff7bc148720b6a82b96268bd9b0652e75be","abstract_canon_sha256":"10a26e1f67377a8e0f77000c4ffaafaaea50c4a04085060c5ccd7ef8c94a67f6"},"schema_version":"1.0"},"canonical_sha256":"6b55d161d37dfb4e7c987f9a88fbc87074ab7854487c5b3eaef0efbf716309c8","source":{"kind":"arxiv","id":"1608.07668","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.07668","created_at":"2026-05-18T00:02:53Z"},{"alias_kind":"arxiv_version","alias_value":"1608.07668v1","created_at":"2026-05-18T00:02:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.07668","created_at":"2026-05-18T00:02:53Z"},{"alias_kind":"pith_short_12","alias_value":"NNK5CYOTPX5U","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"NNK5CYOTPX5U47EY","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"NNK5CYOT","created_at":"2026-05-18T12:30:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:NNK5CYOTPX5U47EYP6NIR66IOB","target":"record","payload":{"canonical_record":{"source":{"id":"1608.07668","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-08-27T07:12:54Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"414087892d9347f2832908a1baf90ff7bc148720b6a82b96268bd9b0652e75be","abstract_canon_sha256":"10a26e1f67377a8e0f77000c4ffaafaaea50c4a04085060c5ccd7ef8c94a67f6"},"schema_version":"1.0"},"canonical_sha256":"6b55d161d37dfb4e7c987f9a88fbc87074ab7854487c5b3eaef0efbf716309c8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:02:53.495732Z","signature_b64":"TLJBw7CQ7/0S7fyS/JjHyzLgILg0gJ/x4ZhBNn1VZP/6NKm7noA3DvdgZhWBt43iQ99vpRiU6feat8BqxTnVCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6b55d161d37dfb4e7c987f9a88fbc87074ab7854487c5b3eaef0efbf716309c8","last_reissued_at":"2026-05-18T00:02:53.495005Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:02:53.495005Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1608.07668","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":"2026-05-18T00:02:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zczfL7Pi7sXwqM9z0dWGb79cfvFpmqcq+r4DPRhl1BVt8rNakHkPKOf9uP0P7pUn0sBFYcOoxo7MRDdmF1voDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T09:30:03.295499Z"},"content_sha256":"6539583c5d874a04ef311eeabfe3441e57c2cb66284c667f0a924c7b62a5d81a","schema_version":"1.0","event_id":"sha256:6539583c5d874a04ef311eeabfe3441e57c2cb66284c667f0a924c7b62a5d81a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:NNK5CYOTPX5U47EYP6NIR66IOB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Towards efficient orbital-dependent density functionals for weak and strong correlation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Igor Ying Zhang, John P. Perdew, Matthias Scheffler, Patrick Rinke","submitted_at":"2016-08-27T07:12:54Z","abstract_excerpt":"We present a new paradigm for the design of exchange-correlation functionals in density-functional theory. Electron pairs are correlated explicitly by means of the recently developed second order Bethe-Goldstone equation (BGE2) approach. Here we propose a screened BGE2 (sBGE2) variant that efficiently regulates the coupling of a given electron pair. sBGE2 correctly dissociates H$_2$ and H$_2^+$, a problem that has been regarded as a great challenge in density-functional theory for a long time. The sBGE2 functional is then taken as a building block for an orbital-dependent functional, termed ZR"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.07668","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":""},"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":"2026-05-18T00:02:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7O52sXiZmykRccuugXccUHNYcDy+LCGaAM2ghhjQh0/iicRcnRLnymCC0v9UV9N9tFR8ZIr5xOcpjqTAMvqECg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T09:30:03.295835Z"},"content_sha256":"6ab6a233202b9ce688ac74ab7a3119e7b2da0ed45bc44b70040b6ef061b0f6f2","schema_version":"1.0","event_id":"sha256:6ab6a233202b9ce688ac74ab7a3119e7b2da0ed45bc44b70040b6ef061b0f6f2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NNK5CYOTPX5U47EYP6NIR66IOB/bundle.json","state_url":"https://pith.science/pith/NNK5CYOTPX5U47EYP6NIR66IOB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NNK5CYOTPX5U47EYP6NIR66IOB/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":"2026-06-01T09:30:03Z","links":{"resolver":"https://pith.science/pith/NNK5CYOTPX5U47EYP6NIR66IOB","bundle":"https://pith.science/pith/NNK5CYOTPX5U47EYP6NIR66IOB/bundle.json","state":"https://pith.science/pith/NNK5CYOTPX5U47EYP6NIR66IOB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NNK5CYOTPX5U47EYP6NIR66IOB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:NNK5CYOTPX5U47EYP6NIR66IOB","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":"10a26e1f67377a8e0f77000c4ffaafaaea50c4a04085060c5ccd7ef8c94a67f6","cross_cats_sorted":["physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-08-27T07:12:54Z","title_canon_sha256":"414087892d9347f2832908a1baf90ff7bc148720b6a82b96268bd9b0652e75be"},"schema_version":"1.0","source":{"id":"1608.07668","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.07668","created_at":"2026-05-18T00:02:53Z"},{"alias_kind":"arxiv_version","alias_value":"1608.07668v1","created_at":"2026-05-18T00:02:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.07668","created_at":"2026-05-18T00:02:53Z"},{"alias_kind":"pith_short_12","alias_value":"NNK5CYOTPX5U","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"NNK5CYOTPX5U47EY","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"NNK5CYOT","created_at":"2026-05-18T12:30:32Z"}],"graph_snapshots":[{"event_id":"sha256:6ab6a233202b9ce688ac74ab7a3119e7b2da0ed45bc44b70040b6ef061b0f6f2","target":"graph","created_at":"2026-05-18T00:02:53Z","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":"We present a new paradigm for the design of exchange-correlation functionals in density-functional theory. Electron pairs are correlated explicitly by means of the recently developed second order Bethe-Goldstone equation (BGE2) approach. Here we propose a screened BGE2 (sBGE2) variant that efficiently regulates the coupling of a given electron pair. sBGE2 correctly dissociates H$_2$ and H$_2^+$, a problem that has been regarded as a great challenge in density-functional theory for a long time. The sBGE2 functional is then taken as a building block for an orbital-dependent functional, termed ZR","authors_text":"Igor Ying Zhang, John P. Perdew, Matthias Scheffler, Patrick Rinke","cross_cats":["physics.chem-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-08-27T07:12:54Z","title":"Towards efficient orbital-dependent density functionals for weak and strong correlation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.07668","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":"sha256:6539583c5d874a04ef311eeabfe3441e57c2cb66284c667f0a924c7b62a5d81a","target":"record","created_at":"2026-05-18T00:02:53Z","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":"10a26e1f67377a8e0f77000c4ffaafaaea50c4a04085060c5ccd7ef8c94a67f6","cross_cats_sorted":["physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-08-27T07:12:54Z","title_canon_sha256":"414087892d9347f2832908a1baf90ff7bc148720b6a82b96268bd9b0652e75be"},"schema_version":"1.0","source":{"id":"1608.07668","kind":"arxiv","version":1}},"canonical_sha256":"6b55d161d37dfb4e7c987f9a88fbc87074ab7854487c5b3eaef0efbf716309c8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6b55d161d37dfb4e7c987f9a88fbc87074ab7854487c5b3eaef0efbf716309c8","first_computed_at":"2026-05-18T00:02:53.495005Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:02:53.495005Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TLJBw7CQ7/0S7fyS/JjHyzLgILg0gJ/x4ZhBNn1VZP/6NKm7noA3DvdgZhWBt43iQ99vpRiU6feat8BqxTnVCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:02:53.495732Z","signed_message":"canonical_sha256_bytes"},"source_id":"1608.07668","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6539583c5d874a04ef311eeabfe3441e57c2cb66284c667f0a924c7b62a5d81a","sha256:6ab6a233202b9ce688ac74ab7a3119e7b2da0ed45bc44b70040b6ef061b0f6f2"],"state_sha256":"b384dc2d75a93eb132e515866fb3a01dab1ca540c532f520354ed62b91273440"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tr5OIjdo77RSw7nfcuELvVfeokAJma8WfwFqJYtAI2n8VWS5kacK4yHYkP/fOaPU+juEaebisY1q8xQPloM4AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T09:30:03.297740Z","bundle_sha256":"248b4bdb94a6136b39aaabe6230b245d4a16bff89a9bb8c3ef288055756c5606"}}