{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:B6HJO6NPOGJV5G573IYC75WTLM","short_pith_number":"pith:B6HJO6NP","schema_version":"1.0","canonical_sha256":"0f8e9779af71935e9bbfda302ff6d35b2e4cba72dfd0291fb3e138ab13ff5b64","source":{"kind":"arxiv","id":"1804.03477","version":2},"attestation_state":"computed","paper":{"title":"Chemical Potential Calculations in Non-Homogeneous Liquids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.comp-ph"],"primary_cat":"physics.chem-ph","authors_text":"Claudio Perego, Michele Parrinello, Omar Valsson","submitted_at":"2018-04-10T12:23:00Z","abstract_excerpt":"The numerical computation of chemical potential in dense, non-homogeneous fluids is a key problem in the study of confined fluids thermodynamics. To this day several methods have been proposed, however there is still need for a robust technique, capable of obtaining accurate estimates at large average densities. A widely established technique is the Widom insertion method, that computes the chemical potential by sampling the energy of insertion of a test particle. Non-homogeneity is accounted for by assigning a density dependent weight to the insertion points. However, in dense systems, the po"},"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":"1804.03477","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2018-04-10T12:23:00Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"ae9c01fac4b994a5ec6f8d927a7eb42e3e493aa523c1757e7545728e5ac33dd9","abstract_canon_sha256":"2f8dfbc9063ceed0eddbf0007252515d3d19fe7ee6d43a09e0b91a06cea12213"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:16:36.245811Z","signature_b64":"tPyuGtQKuKFXg5gLw3uBWseVt2D9/NMWrKReG/GJz8nJqdGLy9F6FSgXiHeYPAChnAH+k2K2aQfBvmCLcwZODw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0f8e9779af71935e9bbfda302ff6d35b2e4cba72dfd0291fb3e138ab13ff5b64","last_reissued_at":"2026-05-18T00:16:36.244526Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:16:36.244526Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Chemical Potential Calculations in Non-Homogeneous Liquids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.comp-ph"],"primary_cat":"physics.chem-ph","authors_text":"Claudio Perego, Michele Parrinello, Omar Valsson","submitted_at":"2018-04-10T12:23:00Z","abstract_excerpt":"The numerical computation of chemical potential in dense, non-homogeneous fluids is a key problem in the study of confined fluids thermodynamics. To this day several methods have been proposed, however there is still need for a robust technique, capable of obtaining accurate estimates at large average densities. A widely established technique is the Widom insertion method, that computes the chemical potential by sampling the energy of insertion of a test particle. Non-homogeneity is accounted for by assigning a density dependent weight to the insertion points. However, in dense systems, the po"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.03477","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1804.03477","created_at":"2026-05-18T00:16:36.244630+00:00"},{"alias_kind":"arxiv_version","alias_value":"1804.03477v2","created_at":"2026-05-18T00:16:36.244630+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.03477","created_at":"2026-05-18T00:16:36.244630+00:00"},{"alias_kind":"pith_short_12","alias_value":"B6HJO6NPOGJV","created_at":"2026-05-18T12:32:13.499390+00:00"},{"alias_kind":"pith_short_16","alias_value":"B6HJO6NPOGJV5G57","created_at":"2026-05-18T12:32:13.499390+00:00"},{"alias_kind":"pith_short_8","alias_value":"B6HJO6NP","created_at":"2026-05-18T12:32:13.499390+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/B6HJO6NPOGJV5G573IYC75WTLM","json":"https://pith.science/pith/B6HJO6NPOGJV5G573IYC75WTLM.json","graph_json":"https://pith.science/api/pith-number/B6HJO6NPOGJV5G573IYC75WTLM/graph.json","events_json":"https://pith.science/api/pith-number/B6HJO6NPOGJV5G573IYC75WTLM/events.json","paper":"https://pith.science/paper/B6HJO6NP"},"agent_actions":{"view_html":"https://pith.science/pith/B6HJO6NPOGJV5G573IYC75WTLM","download_json":"https://pith.science/pith/B6HJO6NPOGJV5G573IYC75WTLM.json","view_paper":"https://pith.science/paper/B6HJO6NP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1804.03477&json=true","fetch_graph":"https://pith.science/api/pith-number/B6HJO6NPOGJV5G573IYC75WTLM/graph.json","fetch_events":"https://pith.science/api/pith-number/B6HJO6NPOGJV5G573IYC75WTLM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/B6HJO6NPOGJV5G573IYC75WTLM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/B6HJO6NPOGJV5G573IYC75WTLM/action/storage_attestation","attest_author":"https://pith.science/pith/B6HJO6NPOGJV5G573IYC75WTLM/action/author_attestation","sign_citation":"https://pith.science/pith/B6HJO6NPOGJV5G573IYC75WTLM/action/citation_signature","submit_replication":"https://pith.science/pith/B6HJO6NPOGJV5G573IYC75WTLM/action/replication_record"}},"created_at":"2026-05-18T00:16:36.244630+00:00","updated_at":"2026-05-18T00:16:36.244630+00:00"}