{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:BN7RP4VHCFPLQZQEG5CNTA3XT4","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":"8952a4c5bd2c007719745d886af5d4c0d0c992b04996a21cb357e42d06c65642","cross_cats_sorted":["cond-mat.stat-mech","physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-01-13T09:13:27Z","title_canon_sha256":"e5e36effbf8f08f1f83dda073446a361b9a8aaa1a26fa4b39c1476d5f09f0e90"},"schema_version":"1.0","source":{"id":"1201.2771","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.2771","created_at":"2026-05-18T03:51:14Z"},{"alias_kind":"arxiv_version","alias_value":"1201.2771v2","created_at":"2026-05-18T03:51:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.2771","created_at":"2026-05-18T03:51:14Z"},{"alias_kind":"pith_short_12","alias_value":"BN7RP4VHCFPL","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_16","alias_value":"BN7RP4VHCFPLQZQE","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_8","alias_value":"BN7RP4VH","created_at":"2026-05-18T12:27:01Z"}],"graph_snapshots":[{"event_id":"sha256:10f1a39394326a28187bdf35ba35cb094797fb9940c94d73400ad98b49817700","target":"graph","created_at":"2026-05-18T03:51:14Z","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":"The structural properties of fluids whose molecules interact via potentials with a hard-core plus n piece-wise constant sections of different widths and heights are derived using a (semi-analytical) rational-function approximation method. The results are illustrated for the cases of a square-shoulder plus square-well potential and a shifted square-well potential and compared both with simulation data and with those that follow from the (numerical) solutions of the Percus-Yevick integral equation.","authors_text":"A. Santos, M. L\\'opez de Haro, S. B. Yuste","cross_cats":["cond-mat.stat-mech","physics.chem-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-01-13T09:13:27Z","title":"Rational-function approximation for fluids interacting via piece-wise constant potentials"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.2771","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:bf9aa09561efe3a4d88cbe16fbc788ad674f6ba4f4c52586b15017bb8cc5c7d4","target":"record","created_at":"2026-05-18T03:51:14Z","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":"8952a4c5bd2c007719745d886af5d4c0d0c992b04996a21cb357e42d06c65642","cross_cats_sorted":["cond-mat.stat-mech","physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-01-13T09:13:27Z","title_canon_sha256":"e5e36effbf8f08f1f83dda073446a361b9a8aaa1a26fa4b39c1476d5f09f0e90"},"schema_version":"1.0","source":{"id":"1201.2771","kind":"arxiv","version":2}},"canonical_sha256":"0b7f17f2a7115eb866043744d983779f24938d5eb9627460f716e905c25d75be","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0b7f17f2a7115eb866043744d983779f24938d5eb9627460f716e905c25d75be","first_computed_at":"2026-05-18T03:51:14.254218Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:51:14.254218Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sEzeOrTjxsg245xgaYyIRfQIFpGm499hfHQevzzcMi65drKm5BwFZIVrBz2kypXK9ca9H9bvg+x2BVbEmeDqBg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:51:14.254742Z","signed_message":"canonical_sha256_bytes"},"source_id":"1201.2771","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bf9aa09561efe3a4d88cbe16fbc788ad674f6ba4f4c52586b15017bb8cc5c7d4","sha256:10f1a39394326a28187bdf35ba35cb094797fb9940c94d73400ad98b49817700"],"state_sha256":"92bda2867ecf4d7d1c5e5cc632b4fc64bd11fbd21828d8e0dcf3c52b2779720e"}