{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:6EIXGTEI4A53DMDNNVOS5GSBVS","short_pith_number":"pith:6EIXGTEI","canonical_record":{"source":{"id":"1107.4780","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-07-24T18:05:13Z","cross_cats_sorted":[],"title_canon_sha256":"1df8142b4507ce26e15bff874b1fa1f0469940e55b5dc37203df70f1fbf8383a","abstract_canon_sha256":"055bafcc7c74097c5bf5e38d45f473bc08b03ac7a0a81853cfe117ffe44b4ea0"},"schema_version":"1.0"},"canonical_sha256":"f111734c88e03bb1b06d6d5d2e9a41acb1c8733de673e8ae4b7ab99475b995ea","source":{"kind":"arxiv","id":"1107.4780","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.4780","created_at":"2026-05-18T03:23:22Z"},{"alias_kind":"arxiv_version","alias_value":"1107.4780v1","created_at":"2026-05-18T03:23:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.4780","created_at":"2026-05-18T03:23:22Z"},{"alias_kind":"pith_short_12","alias_value":"6EIXGTEI4A53","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"6EIXGTEI4A53DMDN","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"6EIXGTEI","created_at":"2026-05-18T12:26:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:6EIXGTEI4A53DMDNNVOS5GSBVS","target":"record","payload":{"canonical_record":{"source":{"id":"1107.4780","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-07-24T18:05:13Z","cross_cats_sorted":[],"title_canon_sha256":"1df8142b4507ce26e15bff874b1fa1f0469940e55b5dc37203df70f1fbf8383a","abstract_canon_sha256":"055bafcc7c74097c5bf5e38d45f473bc08b03ac7a0a81853cfe117ffe44b4ea0"},"schema_version":"1.0"},"canonical_sha256":"f111734c88e03bb1b06d6d5d2e9a41acb1c8733de673e8ae4b7ab99475b995ea","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:23:22.776780Z","signature_b64":"54cC8bfETsOd6Q3TkQyeRHFi1xPjHFf7/fM2pv6azbYymcMW83fAjSuPpyhNvmcgi0846GEkNyvvikySnFy7BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f111734c88e03bb1b06d6d5d2e9a41acb1c8733de673e8ae4b7ab99475b995ea","last_reissued_at":"2026-05-18T03:23:22.776006Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:23:22.776006Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1107.4780","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":"2026-05-18T03:23:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zB3oHmKQZXGZMpVAbwX+vgnWDSrw4XNP3oUU3qyRYzD3mG8B+30HHtvsmQUn4pUPWWGY/cSi/s7vucOwz6HMAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T16:51:31.042539Z"},"content_sha256":"4f8e33b3449d6c09b3fd5a78b57842b7d426a9861110f43de41224bbe4f45acf","schema_version":"1.0","event_id":"sha256:4f8e33b3449d6c09b3fd5a78b57842b7d426a9861110f43de41224bbe4f45acf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:6EIXGTEI4A53DMDNNVOS5GSBVS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Is reduced-density-matrix functional theory a suitable vehicle to import explicit correlations into density-functional calculations?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Christian F. J. Walther, Peter E. Bloechl, Thomas Pruschke","submitted_at":"2011-07-24T18:05:13Z","abstract_excerpt":"A variational formulation for the calculation of interacting fermion systems based on the density-matrix functional theory is presented. Our formalism provides for a natural integration of explicit many-particle effects into standard density-functional-theory based calculations and it avoids ambiguities of double-counting terms inherent to other approaches. Like the dynamical mean-field theory, we employ a local approximation for explicit correlations. Aiming at the ground state only, trade some of the complexity of Green's function based many-particle methods against efficiency. Using short H"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.4780","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":"2026-05-18T03:23:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qL2Vb+KwBeg24ZX+sNcMrDmIi8qYimSCOdmd2T/bXXPfORDJ45DL8d3dhK++G7P52Qd5z1qIM4xWEGNIHHELAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T16:51:31.043188Z"},"content_sha256":"d7d7579feaa2eb1a0473eda14b809e1739966970477ce72bf7e0164bde4a3eb8","schema_version":"1.0","event_id":"sha256:d7d7579feaa2eb1a0473eda14b809e1739966970477ce72bf7e0164bde4a3eb8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6EIXGTEI4A53DMDNNVOS5GSBVS/bundle.json","state_url":"https://pith.science/pith/6EIXGTEI4A53DMDNNVOS5GSBVS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6EIXGTEI4A53DMDNNVOS5GSBVS/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":"2026-05-27T16:51:31Z","links":{"resolver":"https://pith.science/pith/6EIXGTEI4A53DMDNNVOS5GSBVS","bundle":"https://pith.science/pith/6EIXGTEI4A53DMDNNVOS5GSBVS/bundle.json","state":"https://pith.science/pith/6EIXGTEI4A53DMDNNVOS5GSBVS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6EIXGTEI4A53DMDNNVOS5GSBVS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:6EIXGTEI4A53DMDNNVOS5GSBVS","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":"055bafcc7c74097c5bf5e38d45f473bc08b03ac7a0a81853cfe117ffe44b4ea0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-07-24T18:05:13Z","title_canon_sha256":"1df8142b4507ce26e15bff874b1fa1f0469940e55b5dc37203df70f1fbf8383a"},"schema_version":"1.0","source":{"id":"1107.4780","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.4780","created_at":"2026-05-18T03:23:22Z"},{"alias_kind":"arxiv_version","alias_value":"1107.4780v1","created_at":"2026-05-18T03:23:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.4780","created_at":"2026-05-18T03:23:22Z"},{"alias_kind":"pith_short_12","alias_value":"6EIXGTEI4A53","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"6EIXGTEI4A53DMDN","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"6EIXGTEI","created_at":"2026-05-18T12:26:22Z"}],"graph_snapshots":[{"event_id":"sha256:d7d7579feaa2eb1a0473eda14b809e1739966970477ce72bf7e0164bde4a3eb8","target":"graph","created_at":"2026-05-18T03:23:22Z","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":"A variational formulation for the calculation of interacting fermion systems based on the density-matrix functional theory is presented. Our formalism provides for a natural integration of explicit many-particle effects into standard density-functional-theory based calculations and it avoids ambiguities of double-counting terms inherent to other approaches. Like the dynamical mean-field theory, we employ a local approximation for explicit correlations. Aiming at the ground state only, trade some of the complexity of Green's function based many-particle methods against efficiency. Using short H","authors_text":"Christian F. J. Walther, Peter E. Bloechl, Thomas Pruschke","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-07-24T18:05:13Z","title":"Is reduced-density-matrix functional theory a suitable vehicle to import explicit correlations into density-functional calculations?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.4780","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":"sha256:4f8e33b3449d6c09b3fd5a78b57842b7d426a9861110f43de41224bbe4f45acf","target":"record","created_at":"2026-05-18T03:23:22Z","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":"055bafcc7c74097c5bf5e38d45f473bc08b03ac7a0a81853cfe117ffe44b4ea0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-07-24T18:05:13Z","title_canon_sha256":"1df8142b4507ce26e15bff874b1fa1f0469940e55b5dc37203df70f1fbf8383a"},"schema_version":"1.0","source":{"id":"1107.4780","kind":"arxiv","version":1}},"canonical_sha256":"f111734c88e03bb1b06d6d5d2e9a41acb1c8733de673e8ae4b7ab99475b995ea","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f111734c88e03bb1b06d6d5d2e9a41acb1c8733de673e8ae4b7ab99475b995ea","first_computed_at":"2026-05-18T03:23:22.776006Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:23:22.776006Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"54cC8bfETsOd6Q3TkQyeRHFi1xPjHFf7/fM2pv6azbYymcMW83fAjSuPpyhNvmcgi0846GEkNyvvikySnFy7BA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:23:22.776780Z","signed_message":"canonical_sha256_bytes"},"source_id":"1107.4780","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4f8e33b3449d6c09b3fd5a78b57842b7d426a9861110f43de41224bbe4f45acf","sha256:d7d7579feaa2eb1a0473eda14b809e1739966970477ce72bf7e0164bde4a3eb8"],"state_sha256":"d702bbb716ba01481eb5d44f3a7829003344606f8deec7600a2356c0c0a20347"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zE3RBauW+Pjh2YAxUv6XTCH+EM/8fkZESiVtbW7q7TzoYMM4I+BoVP4xxge3OMS/NPZbJqoZNTlsJIRN0OtfCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T16:51:31.046561Z","bundle_sha256":"c6b671e6a98e7e719dd98b4bb9808d8127776baf129ce45eb38a2a920bb71dfa"}}