{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:IZZY7XCVDXXEZB7AO3WAWWS5BP","short_pith_number":"pith:IZZY7XCV","canonical_record":{"source":{"id":"1504.00812","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-04-03T11:15:41Z","cross_cats_sorted":[],"title_canon_sha256":"2e27f5cc4cf35b0a6b7b860a3adf4971a83a53a904088e2df94cea5cc58759f1","abstract_canon_sha256":"165370260b32348586078f8bca5b909c9f1e2668a2c93972ee2a618fc6e4f3f5"},"schema_version":"1.0"},"canonical_sha256":"46738fdc551dee4c87e076ec0b5a5d0be246a49ab28a89dba9e57a5d5f011738","source":{"kind":"arxiv","id":"1504.00812","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.00812","created_at":"2026-05-18T02:19:36Z"},{"alias_kind":"arxiv_version","alias_value":"1504.00812v1","created_at":"2026-05-18T02:19:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.00812","created_at":"2026-05-18T02:19:36Z"},{"alias_kind":"pith_short_12","alias_value":"IZZY7XCVDXXE","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"IZZY7XCVDXXEZB7A","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"IZZY7XCV","created_at":"2026-05-18T12:29:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:IZZY7XCVDXXEZB7AO3WAWWS5BP","target":"record","payload":{"canonical_record":{"source":{"id":"1504.00812","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-04-03T11:15:41Z","cross_cats_sorted":[],"title_canon_sha256":"2e27f5cc4cf35b0a6b7b860a3adf4971a83a53a904088e2df94cea5cc58759f1","abstract_canon_sha256":"165370260b32348586078f8bca5b909c9f1e2668a2c93972ee2a618fc6e4f3f5"},"schema_version":"1.0"},"canonical_sha256":"46738fdc551dee4c87e076ec0b5a5d0be246a49ab28a89dba9e57a5d5f011738","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:19:36.993381Z","signature_b64":"DFQp96o7xMnJDi/WDAHhJjgeHS6gOEegOb6TT53U+a3AGOsI66tS99H9ymPm6vOpBxBbgDD3THNtht5SZ1JlBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"46738fdc551dee4c87e076ec0b5a5d0be246a49ab28a89dba9e57a5d5f011738","last_reissued_at":"2026-05-18T02:19:36.992890Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:19:36.992890Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.00812","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:19:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ihT0NBXpu40aN9zK8+WW5gxHT7Esm3FPUi6n86VyJfn/7AzhmTzbWxhv6N2f+C2b08/r9vFiefBKbUbh0clkCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T07:46:23.858019Z"},"content_sha256":"ef1a1c18c252cb0d6b8398111efde6be344917eb67c9423dda8911eaaca8f6ab","schema_version":"1.0","event_id":"sha256:ef1a1c18c252cb0d6b8398111efde6be344917eb67c9423dda8911eaaca8f6ab"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:IZZY7XCVDXXEZB7AO3WAWWS5BP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Virial expansions and augmented van der Waals approach: Application to Lennard-Jones-like Yukawa fluid","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"A. Trokhymchuk, I. Nezbeda, R. Melnyk","submitted_at":"2015-04-03T11:15:41Z","abstract_excerpt":"We argue that recently proposed [Melnyk et al., Fluid Phase Equilibr., 2009, Vol. 279, 1] a criterion to split the pair interaction energy into two parts, one of which is forced to be responsible the most accurate as possible for excluded volume energy in the system, results in expressions for the virial coefficients that improve the performance of the virial equation of state in general, and at subcritical temperatures, in particular. As an example, application to the Lennard-Jones-like hard-core attractive Yukawa fluid is discussed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.00812","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":""},"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":"2026-05-18T02:19:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OSXUDzr6lbA+m4ixyAY9tXkZtYxoQeq3vsponi+/xbndxS8SBh3d7ca7bWmHntcfk1LpOGIExolMo5W3ZQvcCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T07:46:23.858366Z"},"content_sha256":"2c0d567fd5c139da31ada02c02fa716484d13805bca624cb5abc76d722e561e8","schema_version":"1.0","event_id":"sha256:2c0d567fd5c139da31ada02c02fa716484d13805bca624cb5abc76d722e561e8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IZZY7XCVDXXEZB7AO3WAWWS5BP/bundle.json","state_url":"https://pith.science/pith/IZZY7XCVDXXEZB7AO3WAWWS5BP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IZZY7XCVDXXEZB7AO3WAWWS5BP/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":"2026-06-01T07:46:23Z","links":{"resolver":"https://pith.science/pith/IZZY7XCVDXXEZB7AO3WAWWS5BP","bundle":"https://pith.science/pith/IZZY7XCVDXXEZB7AO3WAWWS5BP/bundle.json","state":"https://pith.science/pith/IZZY7XCVDXXEZB7AO3WAWWS5BP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IZZY7XCVDXXEZB7AO3WAWWS5BP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:IZZY7XCVDXXEZB7AO3WAWWS5BP","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":"165370260b32348586078f8bca5b909c9f1e2668a2c93972ee2a618fc6e4f3f5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-04-03T11:15:41Z","title_canon_sha256":"2e27f5cc4cf35b0a6b7b860a3adf4971a83a53a904088e2df94cea5cc58759f1"},"schema_version":"1.0","source":{"id":"1504.00812","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.00812","created_at":"2026-05-18T02:19:36Z"},{"alias_kind":"arxiv_version","alias_value":"1504.00812v1","created_at":"2026-05-18T02:19:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.00812","created_at":"2026-05-18T02:19:36Z"},{"alias_kind":"pith_short_12","alias_value":"IZZY7XCVDXXE","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"IZZY7XCVDXXEZB7A","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"IZZY7XCV","created_at":"2026-05-18T12:29:27Z"}],"graph_snapshots":[{"event_id":"sha256:2c0d567fd5c139da31ada02c02fa716484d13805bca624cb5abc76d722e561e8","target":"graph","created_at":"2026-05-18T02:19:36Z","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":"We argue that recently proposed [Melnyk et al., Fluid Phase Equilibr., 2009, Vol. 279, 1] a criterion to split the pair interaction energy into two parts, one of which is forced to be responsible the most accurate as possible for excluded volume energy in the system, results in expressions for the virial coefficients that improve the performance of the virial equation of state in general, and at subcritical temperatures, in particular. As an example, application to the Lennard-Jones-like hard-core attractive Yukawa fluid is discussed.","authors_text":"A. Trokhymchuk, I. Nezbeda, R. Melnyk","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-04-03T11:15:41Z","title":"Virial expansions and augmented van der Waals approach: Application to Lennard-Jones-like Yukawa fluid"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.00812","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:ef1a1c18c252cb0d6b8398111efde6be344917eb67c9423dda8911eaaca8f6ab","target":"record","created_at":"2026-05-18T02:19:36Z","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":"165370260b32348586078f8bca5b909c9f1e2668a2c93972ee2a618fc6e4f3f5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-04-03T11:15:41Z","title_canon_sha256":"2e27f5cc4cf35b0a6b7b860a3adf4971a83a53a904088e2df94cea5cc58759f1"},"schema_version":"1.0","source":{"id":"1504.00812","kind":"arxiv","version":1}},"canonical_sha256":"46738fdc551dee4c87e076ec0b5a5d0be246a49ab28a89dba9e57a5d5f011738","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"46738fdc551dee4c87e076ec0b5a5d0be246a49ab28a89dba9e57a5d5f011738","first_computed_at":"2026-05-18T02:19:36.992890Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:19:36.992890Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DFQp96o7xMnJDi/WDAHhJjgeHS6gOEegOb6TT53U+a3AGOsI66tS99H9ymPm6vOpBxBbgDD3THNtht5SZ1JlBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:19:36.993381Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.00812","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ef1a1c18c252cb0d6b8398111efde6be344917eb67c9423dda8911eaaca8f6ab","sha256:2c0d567fd5c139da31ada02c02fa716484d13805bca624cb5abc76d722e561e8"],"state_sha256":"0a28d3a64b32bcb0d6d716a980ba518c47c5fce85fc9d17888780e9ffc7ef901"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3wBKHL7Xw3DxI71BqpN5NZOjeBi4N9uwxwgkZt+g1YHZV6ewjuKkCl1gBTOqk1ArihyYNHlHNRBXz/k6X6jcAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T07:46:23.860199Z","bundle_sha256":"8d866f7ede6dc17cbbea49fe9129fa8fcd668827f9b89d0ca625adb810506eef"}}