{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:PIN2DPGS46E5NRFVSC35RBLYHP","short_pith_number":"pith:PIN2DPGS","schema_version":"1.0","canonical_sha256":"7a1ba1bcd2e789d6c4b590b7d885783bc9a85c95e48b9c2c9a458322b51c008c","source":{"kind":"arxiv","id":"2508.12323","version":1},"attestation_state":"computed","paper":{"title":"Re-weighting estimator for ab initio path integral Monte Carlo simulations of fictitious identical particles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"physics.chem-ph","authors_text":"Jan Vorberger, Panagiotis Tolias, Paul Hamann, Pontus Svensson, Sebastian Schwalbe, Tobias Dornheim, Zhandos Moldabekov","submitted_at":"2025-08-17T10:46:00Z","abstract_excerpt":"The fermion sign problem constitutes one of the most fundamental obstacles in quantum many-body theory. Recently, it has been suggested to circumvent the sign problem by carrying out path integral simulations with a fictitious quantum statistics variable $\\xi$, which allows for a smooth interpolation between the bosonic and fermionic limits [\\textit{J.~Chem.~Phys.}~\\textbf{157}, 094112 (2022)]. This $\\xi$-extrapolation method has subsequently been applied to a variety of systems and has facilitated the analysis of an x-ray scattering measurement taken at the National Ignition Facility with unp"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2508.12323","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2025-08-17T10:46:00Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"95cb02f7b3e404cff927ddfe1a4eb27a79a2a671e7466865b8a79585e20ad3a5","abstract_canon_sha256":"23f94e8a3655bfa2f56aa99a6459af14de61fa8294d0a1ca0bbea25c8c8ea8cb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:55:03.503276Z","signature_b64":"bgMn3lJcqVKx4oLF1UEF2hVaYDmSeHFlqAPEzjQZUyeJB0ZgTRO/70l+Iyr9hi7fcMJT7hu3ozmaMni688QhAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7a1ba1bcd2e789d6c4b590b7d885783bc9a85c95e48b9c2c9a458322b51c008c","last_reissued_at":"2026-07-05T11:55:03.502820Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:55:03.502820Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Re-weighting estimator for ab initio path integral Monte Carlo simulations of fictitious identical particles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"physics.chem-ph","authors_text":"Jan Vorberger, Panagiotis Tolias, Paul Hamann, Pontus Svensson, Sebastian Schwalbe, Tobias Dornheim, Zhandos Moldabekov","submitted_at":"2025-08-17T10:46:00Z","abstract_excerpt":"The fermion sign problem constitutes one of the most fundamental obstacles in quantum many-body theory. Recently, it has been suggested to circumvent the sign problem by carrying out path integral simulations with a fictitious quantum statistics variable $\\xi$, which allows for a smooth interpolation between the bosonic and fermionic limits [\\textit{J.~Chem.~Phys.}~\\textbf{157}, 094112 (2022)]. This $\\xi$-extrapolation method has subsequently been applied to a variety of systems and has facilitated the analysis of an x-ray scattering measurement taken at the National Ignition Facility with unp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.12323","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2508.12323/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2508.12323","created_at":"2026-07-05T11:55:03.502882+00:00"},{"alias_kind":"arxiv_version","alias_value":"2508.12323v1","created_at":"2026-07-05T11:55:03.502882+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.12323","created_at":"2026-07-05T11:55:03.502882+00:00"},{"alias_kind":"pith_short_12","alias_value":"PIN2DPGS46E5","created_at":"2026-07-05T11:55:03.502882+00:00"},{"alias_kind":"pith_short_16","alias_value":"PIN2DPGS46E5NRFV","created_at":"2026-07-05T11:55:03.502882+00:00"},{"alias_kind":"pith_short_8","alias_value":"PIN2DPGS","created_at":"2026-07-05T11:55:03.502882+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/PIN2DPGS46E5NRFVSC35RBLYHP","json":"https://pith.science/pith/PIN2DPGS46E5NRFVSC35RBLYHP.json","graph_json":"https://pith.science/api/pith-number/PIN2DPGS46E5NRFVSC35RBLYHP/graph.json","events_json":"https://pith.science/api/pith-number/PIN2DPGS46E5NRFVSC35RBLYHP/events.json","paper":"https://pith.science/paper/PIN2DPGS"},"agent_actions":{"view_html":"https://pith.science/pith/PIN2DPGS46E5NRFVSC35RBLYHP","download_json":"https://pith.science/pith/PIN2DPGS46E5NRFVSC35RBLYHP.json","view_paper":"https://pith.science/paper/PIN2DPGS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2508.12323&json=true","fetch_graph":"https://pith.science/api/pith-number/PIN2DPGS46E5NRFVSC35RBLYHP/graph.json","fetch_events":"https://pith.science/api/pith-number/PIN2DPGS46E5NRFVSC35RBLYHP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PIN2DPGS46E5NRFVSC35RBLYHP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PIN2DPGS46E5NRFVSC35RBLYHP/action/storage_attestation","attest_author":"https://pith.science/pith/PIN2DPGS46E5NRFVSC35RBLYHP/action/author_attestation","sign_citation":"https://pith.science/pith/PIN2DPGS46E5NRFVSC35RBLYHP/action/citation_signature","submit_replication":"https://pith.science/pith/PIN2DPGS46E5NRFVSC35RBLYHP/action/replication_record"}},"created_at":"2026-07-05T11:55:03.502882+00:00","updated_at":"2026-07-05T11:55:03.502882+00:00"}