{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:MIS4YJ3AJ75VX2DWDY6NJJSKXX","short_pith_number":"pith:MIS4YJ3A","canonical_record":{"source":{"id":"2410.01569","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2024-10-02T14:07:26Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"61f163e4afec5848e115525a03c6dc3e0cf4f4e22faf7f965d69b4daf1b172d9","abstract_canon_sha256":"52d3ff57a8bba4074270a659ba7133ab5438b1e9c0e0c1acc0b99a90a77d81f6"},"schema_version":"1.0"},"canonical_sha256":"6225cc27604ffb5be8761e3cd4a64abdce50eecc6fa08a584f63e8b8e71f8c51","source":{"kind":"arxiv","id":"2410.01569","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.01569","created_at":"2026-07-05T10:12:20Z"},{"alias_kind":"arxiv_version","alias_value":"2410.01569v2","created_at":"2026-07-05T10:12:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.01569","created_at":"2026-07-05T10:12:20Z"},{"alias_kind":"pith_short_12","alias_value":"MIS4YJ3AJ75V","created_at":"2026-07-05T10:12:20Z"},{"alias_kind":"pith_short_16","alias_value":"MIS4YJ3AJ75VX2DW","created_at":"2026-07-05T10:12:20Z"},{"alias_kind":"pith_short_8","alias_value":"MIS4YJ3A","created_at":"2026-07-05T10:12:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:MIS4YJ3AJ75VX2DWDY6NJJSKXX","target":"record","payload":{"canonical_record":{"source":{"id":"2410.01569","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2024-10-02T14:07:26Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"61f163e4afec5848e115525a03c6dc3e0cf4f4e22faf7f965d69b4daf1b172d9","abstract_canon_sha256":"52d3ff57a8bba4074270a659ba7133ab5438b1e9c0e0c1acc0b99a90a77d81f6"},"schema_version":"1.0"},"canonical_sha256":"6225cc27604ffb5be8761e3cd4a64abdce50eecc6fa08a584f63e8b8e71f8c51","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:12:20.714113Z","signature_b64":"qaBSPPY/M3qKmJ0GjAqD25j0bzq7F+TNna8EpzsU+B20G51WM1kcTXoX3ebAboQQmvbKbbXETktV0jcB3sqoBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6225cc27604ffb5be8761e3cd4a64abdce50eecc6fa08a584f63e8b8e71f8c51","last_reissued_at":"2026-07-05T10:12:20.713607Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:12:20.713607Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2410.01569","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":"2026-07-05T10:12:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1XoVX3n/qTw8FN8zbeci6vDw7F+74jhvAd7KjvCD6NnPeeZi8zuH3ex8wl1ws0xvSNNMBTvuUIoIYzPqyYPqAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T04:14:29.656594Z"},"content_sha256":"641d8daa2502b0dee6c8fd176aa490974e055cd27934d44ee6c968c8e7076e79","schema_version":"1.0","event_id":"sha256:641d8daa2502b0dee6c8fd176aa490974e055cd27934d44ee6c968c8e7076e79"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:MIS4YJ3AJ75VX2DWDY6NJJSKXX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Normal liquid $^3$He studied by Path Integral Monte Carlo with a parametrized partition function","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.quant-gas","authors_text":"Giovanni Garberoglio, Tommaso Morresi","submitted_at":"2024-10-02T14:07:26Z","abstract_excerpt":"We compute the energy per particle of normal liquid ${}^3$He in the temperature range $0.15-2$ K using Path Integral Monte Carlo simulations, leveraging a recently proposed method to overcome the sign problem -- a long-standing challenge in many-body fermionic simulations. This approach is based on introducing a parameter $\\xi$ into the partition function, which allows a generalization from bosons ($\\xi=1$) to fermions ($\\xi=-1$). By simulating systems with $\\xi \\geq 0$, where the sign problem is absent, one can then extrapolate to the fermionic case at $\\xi = -1$. Guided by an independent par"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.01569","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2410.01569/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:12:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1Qo6YDghcHPUbQp15FxJ39rCFkYTeJPi9rENLKbi7/KAxn/v7GN8iF6tCIE4OD0sAVO7krQn6/qTXD5J4SAgAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T04:14:29.656931Z"},"content_sha256":"1276d3fae6593a151d6cc8d7f4a6ba91ace8e8a5d8bf2add1e1af471524a4bff","schema_version":"1.0","event_id":"sha256:1276d3fae6593a151d6cc8d7f4a6ba91ace8e8a5d8bf2add1e1af471524a4bff"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MIS4YJ3AJ75VX2DWDY6NJJSKXX/bundle.json","state_url":"https://pith.science/pith/MIS4YJ3AJ75VX2DWDY6NJJSKXX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MIS4YJ3AJ75VX2DWDY6NJJSKXX/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":"2026-08-21T04:14:29Z","links":{"resolver":"https://pith.science/pith/MIS4YJ3AJ75VX2DWDY6NJJSKXX","bundle":"https://pith.science/pith/MIS4YJ3AJ75VX2DWDY6NJJSKXX/bundle.json","state":"https://pith.science/pith/MIS4YJ3AJ75VX2DWDY6NJJSKXX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MIS4YJ3AJ75VX2DWDY6NJJSKXX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:MIS4YJ3AJ75VX2DWDY6NJJSKXX","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":"52d3ff57a8bba4074270a659ba7133ab5438b1e9c0e0c1acc0b99a90a77d81f6","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2024-10-02T14:07:26Z","title_canon_sha256":"61f163e4afec5848e115525a03c6dc3e0cf4f4e22faf7f965d69b4daf1b172d9"},"schema_version":"1.0","source":{"id":"2410.01569","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.01569","created_at":"2026-07-05T10:12:20Z"},{"alias_kind":"arxiv_version","alias_value":"2410.01569v2","created_at":"2026-07-05T10:12:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.01569","created_at":"2026-07-05T10:12:20Z"},{"alias_kind":"pith_short_12","alias_value":"MIS4YJ3AJ75V","created_at":"2026-07-05T10:12:20Z"},{"alias_kind":"pith_short_16","alias_value":"MIS4YJ3AJ75VX2DW","created_at":"2026-07-05T10:12:20Z"},{"alias_kind":"pith_short_8","alias_value":"MIS4YJ3A","created_at":"2026-07-05T10:12:20Z"}],"graph_snapshots":[{"event_id":"sha256:1276d3fae6593a151d6cc8d7f4a6ba91ace8e8a5d8bf2add1e1af471524a4bff","target":"graph","created_at":"2026-07-05T10:12:20Z","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/2410.01569/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We compute the energy per particle of normal liquid ${}^3$He in the temperature range $0.15-2$ K using Path Integral Monte Carlo simulations, leveraging a recently proposed method to overcome the sign problem -- a long-standing challenge in many-body fermionic simulations. This approach is based on introducing a parameter $\\xi$ into the partition function, which allows a generalization from bosons ($\\xi=1$) to fermions ($\\xi=-1$). By simulating systems with $\\xi \\geq 0$, where the sign problem is absent, one can then extrapolate to the fermionic case at $\\xi = -1$. Guided by an independent par","authors_text":"Giovanni Garberoglio, Tommaso Morresi","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2024-10-02T14:07:26Z","title":"Normal liquid $^3$He studied by Path Integral Monte Carlo with a parametrized partition function"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.01569","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":"sha256:641d8daa2502b0dee6c8fd176aa490974e055cd27934d44ee6c968c8e7076e79","target":"record","created_at":"2026-07-05T10:12:20Z","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":"52d3ff57a8bba4074270a659ba7133ab5438b1e9c0e0c1acc0b99a90a77d81f6","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2024-10-02T14:07:26Z","title_canon_sha256":"61f163e4afec5848e115525a03c6dc3e0cf4f4e22faf7f965d69b4daf1b172d9"},"schema_version":"1.0","source":{"id":"2410.01569","kind":"arxiv","version":2}},"canonical_sha256":"6225cc27604ffb5be8761e3cd4a64abdce50eecc6fa08a584f63e8b8e71f8c51","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6225cc27604ffb5be8761e3cd4a64abdce50eecc6fa08a584f63e8b8e71f8c51","first_computed_at":"2026-07-05T10:12:20.713607Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:12:20.713607Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qaBSPPY/M3qKmJ0GjAqD25j0bzq7F+TNna8EpzsU+B20G51WM1kcTXoX3ebAboQQmvbKbbXETktV0jcB3sqoBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:12:20.714113Z","signed_message":"canonical_sha256_bytes"},"source_id":"2410.01569","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:641d8daa2502b0dee6c8fd176aa490974e055cd27934d44ee6c968c8e7076e79","sha256:1276d3fae6593a151d6cc8d7f4a6ba91ace8e8a5d8bf2add1e1af471524a4bff"],"state_sha256":"4ed201972cabc36b1c3ab3d8f185a6ca461d775893ac681d8a2c2ea4efd60e79"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OW6Gv9oOlywPqNK6q/IFBnXbHtvCrlkqZ6Q5nefrgntOAkjseMaXKjaOv9B6tYVG9TG2+kSu5Ah8SZbK2OLGDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T04:14:29.660222Z","bundle_sha256":"b362dcd7cd4ddcee0ee391acafa608e34079a459c6946ea027f6cc0503e402b6"}}