{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:KARYTJKBYZ7HY2SHTHV5BU7LNE","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":"6d3fb2703ef91af6ce6f19fdfb5f7f1676245ffc385a868444f2482fb8b04a99","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2013-03-20T17:56:52Z","title_canon_sha256":"0ced4b10faa8e8c05873a283e11584b09334c72a58db2740d2492180d12176af"},"schema_version":"1.0","source":{"id":"1303.5007","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.5007","created_at":"2026-05-18T01:51:00Z"},{"alias_kind":"arxiv_version","alias_value":"1303.5007v2","created_at":"2026-05-18T01:51:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.5007","created_at":"2026-05-18T01:51:00Z"},{"alias_kind":"pith_short_12","alias_value":"KARYTJKBYZ7H","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"KARYTJKBYZ7HY2SH","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"KARYTJKB","created_at":"2026-05-18T12:27:49Z"}],"graph_snapshots":[{"event_id":"sha256:6b85ba394398a1b0844831661010f406c9130a476a8ad589a9fbbbbbd017c6de","target":"graph","created_at":"2026-05-18T01:51:00Z","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 quantum Monte Carlo method capable of sampling the full density matrix of a many-particle system at finite temperature. This allows arbitrary reduced density matrix elements and expectation values of complicated non-local observables to be evaluated easily. The method resembles full configuration interaction quantum Monte Carlo but works in the space of many-particle operators instead of the space of many-particle wave functions. One simulation provides the density matrix at all temperatures simultaneously, from $T=\\infty$ to $T=0$, allowing the temperature dependence of expectati","authors_text":"J.S. Spencer, N.S. Blunt, T.W. Rogers, W.M.C. Foulkes","cross_cats":["cond-mat.stat-mech"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2013-03-20T17:56:52Z","title":"Density matrix quantum Monte Carlo"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.5007","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:c9222e86768db23cc1f9dd7604b63b75ced57aeb734ad1c30ef23801447e2b21","target":"record","created_at":"2026-05-18T01:51:00Z","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":"6d3fb2703ef91af6ce6f19fdfb5f7f1676245ffc385a868444f2482fb8b04a99","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2013-03-20T17:56:52Z","title_canon_sha256":"0ced4b10faa8e8c05873a283e11584b09334c72a58db2740d2492180d12176af"},"schema_version":"1.0","source":{"id":"1303.5007","kind":"arxiv","version":2}},"canonical_sha256":"502389a541c67e7c6a4799ebd0d3eb69004bbbdd29cd123b42451b0b9983a4a8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"502389a541c67e7c6a4799ebd0d3eb69004bbbdd29cd123b42451b0b9983a4a8","first_computed_at":"2026-05-18T01:51:00.263065Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:00.263065Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2MY+dp4E/UN4f9gr7uD+UPra0DOSmcD9qZV7zFB3Y0fLCV6S+DjFdiaxK02jcPS6nZzi8AV/L+nrlmvtrDx7AA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:00.263525Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.5007","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c9222e86768db23cc1f9dd7604b63b75ced57aeb734ad1c30ef23801447e2b21","sha256:6b85ba394398a1b0844831661010f406c9130a476a8ad589a9fbbbbbd017c6de"],"state_sha256":"26e00b4fc474f53b21b3f448e4dd8151e0d829d433fa43a2ed691c3880dece6a"}