{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:OM5TRU5GBKSNBV44WGZTE6DTP6","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":"798883bdd91f842311f93655cbe41afd1ddd662342d59727acc9ceddb3968217","cross_cats_sorted":["physics.chem-ph","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2025-02-21T08:30:32Z","title_canon_sha256":"0a9f24aece753d3b709993c6e38db5761297bc0611ff51dcace79733ff5a7fe9"},"schema_version":"1.0","source":{"id":"2502.15288","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.15288","created_at":"2026-07-05T10:17:59Z"},{"alias_kind":"arxiv_version","alias_value":"2502.15288v1","created_at":"2026-07-05T10:17:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.15288","created_at":"2026-07-05T10:17:59Z"},{"alias_kind":"pith_short_12","alias_value":"OM5TRU5GBKSN","created_at":"2026-07-05T10:17:59Z"},{"alias_kind":"pith_short_16","alias_value":"OM5TRU5GBKSNBV44","created_at":"2026-07-05T10:17:59Z"},{"alias_kind":"pith_short_8","alias_value":"OM5TRU5G","created_at":"2026-07-05T10:17:59Z"}],"graph_snapshots":[{"event_id":"sha256:c90a7f30223bc02758ee712150a364b6591694bc7c3eb4b01f235323872e3890","target":"graph","created_at":"2026-07-05T10:17:59Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2502.15288/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We combine the recent $\\eta-$ensemble path integral Monte Carlo (PIMC) approach to the free energy [T.~Dornheim \\textit{et al.}, \\textit{Phys.~Rev.~B} \\textbf{111}, L041114 (2025)] with a recent fictitious partition function technique based on inserting a continuous variable that interpolates between the bosonic and fermionic limits [Xiong and Xiong, \\textit{J.~Chem.~Phys.}~\\textbf{157}, 094112 (2022)] to deal with the fermion sign problem. As a practical example, we apply our set-up to the warm dense uniform electron gas over a broad range of densities and temperatures. We obtain accurate res","authors_text":"Jan Vorberger, Panagiotis Tolias, Sebastian Schwalbe, Tobias Dornheim, Zhandos Moldabekov","cross_cats":["physics.chem-ph","physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2025-02-21T08:30:32Z","title":"Fermionic free energies from \\textit{ab initio} path integral Monte Carlo simulations of fictitious identical particles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.15288","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:ae68e0ce18b5c6597fef1116d8dd771ab7913583408568b20aef693d08a33cf5","target":"record","created_at":"2026-07-05T10:17:59Z","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":"798883bdd91f842311f93655cbe41afd1ddd662342d59727acc9ceddb3968217","cross_cats_sorted":["physics.chem-ph","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2025-02-21T08:30:32Z","title_canon_sha256":"0a9f24aece753d3b709993c6e38db5761297bc0611ff51dcace79733ff5a7fe9"},"schema_version":"1.0","source":{"id":"2502.15288","kind":"arxiv","version":1}},"canonical_sha256":"733b38d3a60aa4d0d79cb1b33278737f9a25722ccca81f96612c3de0ffbdebd9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"733b38d3a60aa4d0d79cb1b33278737f9a25722ccca81f96612c3de0ffbdebd9","first_computed_at":"2026-07-05T10:17:59.253821Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:17:59.253821Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JqGX38nPOrA2+uK/vxNgKoA9jvOSG82FgU40D7TgciAR8zkEowAEZsrvHYODIrBXZ1gieGRbauqBcOw0Bhn5AA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:17:59.254307Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.15288","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ae68e0ce18b5c6597fef1116d8dd771ab7913583408568b20aef693d08a33cf5","sha256:c90a7f30223bc02758ee712150a364b6591694bc7c3eb4b01f235323872e3890"],"state_sha256":"98a53836b6c7ef557cce593fadffa599ed08279c0a7c8fb9fc1fc5b2def6a737"}