{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:3EFWAQZXUH2NRQU4EESJAOJRZI","short_pith_number":"pith:3EFWAQZX","canonical_record":{"source":{"id":"1806.01580","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-06-05T09:37:34Z","cross_cats_sorted":[],"title_canon_sha256":"1db9b91496071f6865a57baf76b19c8c169b1a10711442d9f7be319f4c920f1c","abstract_canon_sha256":"59b0892dc8d0db8f4243f6bc0019e189c45b130f2af3c223d178c22a529f66e2"},"schema_version":"1.0"},"canonical_sha256":"d90b604337a1f4d8c29c2124903931ca109fd3d6cdb6c2edb295bce14b4e7999","source":{"kind":"arxiv","id":"1806.01580","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.01580","created_at":"2026-05-17T23:48:01Z"},{"alias_kind":"arxiv_version","alias_value":"1806.01580v2","created_at":"2026-05-17T23:48:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.01580","created_at":"2026-05-17T23:48:01Z"},{"alias_kind":"pith_short_12","alias_value":"3EFWAQZXUH2N","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"3EFWAQZXUH2NRQU4","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"3EFWAQZX","created_at":"2026-05-18T12:32:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:3EFWAQZXUH2NRQU4EESJAOJRZI","target":"record","payload":{"canonical_record":{"source":{"id":"1806.01580","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-06-05T09:37:34Z","cross_cats_sorted":[],"title_canon_sha256":"1db9b91496071f6865a57baf76b19c8c169b1a10711442d9f7be319f4c920f1c","abstract_canon_sha256":"59b0892dc8d0db8f4243f6bc0019e189c45b130f2af3c223d178c22a529f66e2"},"schema_version":"1.0"},"canonical_sha256":"d90b604337a1f4d8c29c2124903931ca109fd3d6cdb6c2edb295bce14b4e7999","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:01.726784Z","signature_b64":"cyH/y+zZG5Duixjmt3enNMq9MNXcAcuamn+NKhf/OAlEqYkXCt/mECFtRDQu5FrfiGIipfEWidO6gPL5HCbmBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d90b604337a1f4d8c29c2124903931ca109fd3d6cdb6c2edb295bce14b4e7999","last_reissued_at":"2026-05-17T23:48:01.726204Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:01.726204Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.01580","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":"2026-05-17T23:48:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZcuJ1YqrVth+ZqEi4pR2ZPRsB0Flw8ZNRMPLt1GbvrI/bKy3AiDeVy7HGa/qq5ls5INVKGqZVlaTUr04cb9fAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:09:36.097898Z"},"content_sha256":"27820f075c9f98177326f2fb52461adbaf052f12aa53abd7dc326fc71c314fa2","schema_version":"1.0","event_id":"sha256:27820f075c9f98177326f2fb52461adbaf052f12aa53abd7dc326fc71c314fa2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:3EFWAQZXUH2NRQU4EESJAOJRZI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ground-state properties of the symmetric single-impurity Anderson model on a ring from Density-Matrix Renormalization Group, Hartree-Fock, and Gutzwiller theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Florian Gebhard, Gergely Barcza, \\\"Ors Legeza, Thorben Linneweber","submitted_at":"2018-06-05T09:37:34Z","abstract_excerpt":"We analyze the ground-state energy, magnetization, magnetic susceptibility, and Kondo screening cloud of the symmetric single-impurity Anderson model (SIAM) that is characterized by the band width $W$, the impurity interaction strength $U$, and the local hybridization $V$. We compare Gutzwiller variational and magnetic Hartree-Fock results in the thermodynamic limit with numerically exact data from the Density-Matrix Renormalization Group (DMRG) method on large rings. To improve the DMRG performance, we use a canonical transformation to map the SIAM onto a chain with half the system size and o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.01580","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":"2026-05-17T23:48:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mxF8eBELzkfJpB8rsXK1NuuxiY/kBV2NJaHmtSYV/Ama9WExd4Yoj9dh9IJ3gSEs+GK8FUT/ry8nY09dlsffDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:09:36.098561Z"},"content_sha256":"ca770306bc02c5f69f1c09ba8d1eae2cd454f604a54996dbbeb4b650f8f2e6d8","schema_version":"1.0","event_id":"sha256:ca770306bc02c5f69f1c09ba8d1eae2cd454f604a54996dbbeb4b650f8f2e6d8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3EFWAQZXUH2NRQU4EESJAOJRZI/bundle.json","state_url":"https://pith.science/pith/3EFWAQZXUH2NRQU4EESJAOJRZI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3EFWAQZXUH2NRQU4EESJAOJRZI/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":"2026-05-27T18:09:36Z","links":{"resolver":"https://pith.science/pith/3EFWAQZXUH2NRQU4EESJAOJRZI","bundle":"https://pith.science/pith/3EFWAQZXUH2NRQU4EESJAOJRZI/bundle.json","state":"https://pith.science/pith/3EFWAQZXUH2NRQU4EESJAOJRZI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3EFWAQZXUH2NRQU4EESJAOJRZI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:3EFWAQZXUH2NRQU4EESJAOJRZI","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":"59b0892dc8d0db8f4243f6bc0019e189c45b130f2af3c223d178c22a529f66e2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-06-05T09:37:34Z","title_canon_sha256":"1db9b91496071f6865a57baf76b19c8c169b1a10711442d9f7be319f4c920f1c"},"schema_version":"1.0","source":{"id":"1806.01580","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.01580","created_at":"2026-05-17T23:48:01Z"},{"alias_kind":"arxiv_version","alias_value":"1806.01580v2","created_at":"2026-05-17T23:48:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.01580","created_at":"2026-05-17T23:48:01Z"},{"alias_kind":"pith_short_12","alias_value":"3EFWAQZXUH2N","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"3EFWAQZXUH2NRQU4","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"3EFWAQZX","created_at":"2026-05-18T12:32:02Z"}],"graph_snapshots":[{"event_id":"sha256:ca770306bc02c5f69f1c09ba8d1eae2cd454f604a54996dbbeb4b650f8f2e6d8","target":"graph","created_at":"2026-05-17T23:48:01Z","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 analyze the ground-state energy, magnetization, magnetic susceptibility, and Kondo screening cloud of the symmetric single-impurity Anderson model (SIAM) that is characterized by the band width $W$, the impurity interaction strength $U$, and the local hybridization $V$. We compare Gutzwiller variational and magnetic Hartree-Fock results in the thermodynamic limit with numerically exact data from the Density-Matrix Renormalization Group (DMRG) method on large rings. To improve the DMRG performance, we use a canonical transformation to map the SIAM onto a chain with half the system size and o","authors_text":"Florian Gebhard, Gergely Barcza, \\\"Ors Legeza, Thorben Linneweber","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-06-05T09:37:34Z","title":"Ground-state properties of the symmetric single-impurity Anderson model on a ring from Density-Matrix Renormalization Group, Hartree-Fock, and Gutzwiller theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.01580","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":"sha256:27820f075c9f98177326f2fb52461adbaf052f12aa53abd7dc326fc71c314fa2","target":"record","created_at":"2026-05-17T23:48:01Z","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":"59b0892dc8d0db8f4243f6bc0019e189c45b130f2af3c223d178c22a529f66e2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-06-05T09:37:34Z","title_canon_sha256":"1db9b91496071f6865a57baf76b19c8c169b1a10711442d9f7be319f4c920f1c"},"schema_version":"1.0","source":{"id":"1806.01580","kind":"arxiv","version":2}},"canonical_sha256":"d90b604337a1f4d8c29c2124903931ca109fd3d6cdb6c2edb295bce14b4e7999","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d90b604337a1f4d8c29c2124903931ca109fd3d6cdb6c2edb295bce14b4e7999","first_computed_at":"2026-05-17T23:48:01.726204Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:48:01.726204Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cyH/y+zZG5Duixjmt3enNMq9MNXcAcuamn+NKhf/OAlEqYkXCt/mECFtRDQu5FrfiGIipfEWidO6gPL5HCbmBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:48:01.726784Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.01580","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:27820f075c9f98177326f2fb52461adbaf052f12aa53abd7dc326fc71c314fa2","sha256:ca770306bc02c5f69f1c09ba8d1eae2cd454f604a54996dbbeb4b650f8f2e6d8"],"state_sha256":"e8d1581e40329314342580fee629fb6b22824205bc0da7d080cc011b73fbb55d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5VQuqk3ilSPXSqlFvzuW3tsS2tR9sMtIz9BBnZeCUVC6RfVZ9t56uGXR67QEYwUbDXNF4kqTpqKOU3jsmBdQDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T18:09:36.102103Z","bundle_sha256":"d9e13a5aec726bb0f780541667a6c5590bc64144612039c968743ff0069ae4f3"}}