{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:X5EY6ZDOFRA6L4ZFGGUP34MQI2","short_pith_number":"pith:X5EY6ZDO","schema_version":"1.0","canonical_sha256":"bf498f646e2c41e5f32531a8fdf19046add0bd865ac90e7853f6dceec85e95ad","source":{"kind":"arxiv","id":"2508.19820","version":1},"attestation_state":"computed","paper":{"title":"Molecular dynamics of nondegenerate hydrogen plasma using improved Kelbg pseudopotential with electron finite-size correction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"G. S. Demyanov, P. R. Levashov","submitted_at":"2025-08-27T12:07:59Z","abstract_excerpt":"This paper is devoted to semiclassical molecular dynamics simulation of nondegenerate hydrogen plasma using an improved Kelbg pseudopotential. The main novelty of our method is accounting for the finite size of electrons. This modification resolves the nonphysical cluster formation at temperatures below 50 kK, which was first reported by A.V. Filinov [Phys. Rev. E 70, 046411 (2004)]. However, the energy still appears to be underestimated at low temperatures, as indicated by comparisons with the recent path integral Monte Carlo calculations [Phys. Plasmas 31, 110501 (2024)]. Using the presented"},"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":"2508.19820","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2025-08-27T12:07:59Z","cross_cats_sorted":[],"title_canon_sha256":"98f20d57b3c8fbab37c6e731c1cca4c0f432c2df1f8536d5950a55863c679244","abstract_canon_sha256":"1492a9865243245c8687ce7a62f20b9476f48e6dcb7867710c94c203b433dbfb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T12:00:18.346002Z","signature_b64":"UPSn931kiRSpX/C2EQZIMPKJ3eE0cqtRZ7aeIEdxFn1VKe8Y6gvs7x4sIFs3CSavmvnQ2KSeD87UoK9YuNL0AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bf498f646e2c41e5f32531a8fdf19046add0bd865ac90e7853f6dceec85e95ad","last_reissued_at":"2026-07-05T12:00:18.345586Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T12:00:18.345586Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Molecular dynamics of nondegenerate hydrogen plasma using improved Kelbg pseudopotential with electron finite-size correction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"G. S. Demyanov, P. R. Levashov","submitted_at":"2025-08-27T12:07:59Z","abstract_excerpt":"This paper is devoted to semiclassical molecular dynamics simulation of nondegenerate hydrogen plasma using an improved Kelbg pseudopotential. The main novelty of our method is accounting for the finite size of electrons. This modification resolves the nonphysical cluster formation at temperatures below 50 kK, which was first reported by A.V. Filinov [Phys. Rev. E 70, 046411 (2004)]. However, the energy still appears to be underestimated at low temperatures, as indicated by comparisons with the recent path integral Monte Carlo calculations [Phys. Plasmas 31, 110501 (2024)]. Using the presented"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.19820","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/2508.19820/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":"2508.19820","created_at":"2026-07-05T12:00:18.345644+00:00"},{"alias_kind":"arxiv_version","alias_value":"2508.19820v1","created_at":"2026-07-05T12:00:18.345644+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.19820","created_at":"2026-07-05T12:00:18.345644+00:00"},{"alias_kind":"pith_short_12","alias_value":"X5EY6ZDOFRA6","created_at":"2026-07-05T12:00:18.345644+00:00"},{"alias_kind":"pith_short_16","alias_value":"X5EY6ZDOFRA6L4ZF","created_at":"2026-07-05T12:00:18.345644+00:00"},{"alias_kind":"pith_short_8","alias_value":"X5EY6ZDO","created_at":"2026-07-05T12:00:18.345644+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/X5EY6ZDOFRA6L4ZFGGUP34MQI2","json":"https://pith.science/pith/X5EY6ZDOFRA6L4ZFGGUP34MQI2.json","graph_json":"https://pith.science/api/pith-number/X5EY6ZDOFRA6L4ZFGGUP34MQI2/graph.json","events_json":"https://pith.science/api/pith-number/X5EY6ZDOFRA6L4ZFGGUP34MQI2/events.json","paper":"https://pith.science/paper/X5EY6ZDO"},"agent_actions":{"view_html":"https://pith.science/pith/X5EY6ZDOFRA6L4ZFGGUP34MQI2","download_json":"https://pith.science/pith/X5EY6ZDOFRA6L4ZFGGUP34MQI2.json","view_paper":"https://pith.science/paper/X5EY6ZDO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2508.19820&json=true","fetch_graph":"https://pith.science/api/pith-number/X5EY6ZDOFRA6L4ZFGGUP34MQI2/graph.json","fetch_events":"https://pith.science/api/pith-number/X5EY6ZDOFRA6L4ZFGGUP34MQI2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/X5EY6ZDOFRA6L4ZFGGUP34MQI2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/X5EY6ZDOFRA6L4ZFGGUP34MQI2/action/storage_attestation","attest_author":"https://pith.science/pith/X5EY6ZDOFRA6L4ZFGGUP34MQI2/action/author_attestation","sign_citation":"https://pith.science/pith/X5EY6ZDOFRA6L4ZFGGUP34MQI2/action/citation_signature","submit_replication":"https://pith.science/pith/X5EY6ZDOFRA6L4ZFGGUP34MQI2/action/replication_record"}},"created_at":"2026-07-05T12:00:18.345644+00:00","updated_at":"2026-07-05T12:00:18.345644+00:00"}