{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:Y55JG2PZLXTZNUROUUWMBSS5T2","short_pith_number":"pith:Y55JG2PZ","schema_version":"1.0","canonical_sha256":"c77a9369f95de796d22ea52cc0ca5d9eb0ff8a5fde5fa03946504476f9ee8bfe","source":{"kind":"arxiv","id":"1307.5379","version":2},"attestation_state":"computed","paper":{"title":"How ions in solution can change the sign of the critical Casimir potential","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Alina Ciach, Anna Macio{\\l}ek, Faezeh Pousaneh","submitted_at":"2013-07-20T06:53:25Z","abstract_excerpt":"We show that hydrophilic ions present in a confined, near-critical aqueous mixture can lead to an attraction between like charge surfaces with opposing preferential adsorption of the two species of the mixture, even though the corresponding Casimir potential in uncharged systems is repulsive. This prediction agrees with recent experiment [Nellen {\\it{et al.}}, Soft Matter{\\bf{80}}, 061143 (2011)]. We also show that oppositely charged hydrophobic surfaces can repel each other, although the Casimir potential between uncharged surfaces with like preferential adsorption (selectivity) is attractive"},"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":"1307.5379","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2013-07-20T06:53:25Z","cross_cats_sorted":[],"title_canon_sha256":"1f08876a28472eb82af97866fd7e66d9fda7a36f9fd4bb7d6005e018aa98e001","abstract_canon_sha256":"60334e6cb13c313fe895ebb5d9ec22aabfdde980738c79a301bb4d77524da571"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:18:19.776528Z","signature_b64":"j52GozKPO6b40q4MMerkzWlQj5Fq90W9ItvsPO3ecW1oaCmJggY1G5Go8BrmJeVADHPFz1NYyCdJDy1HoUzwAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c77a9369f95de796d22ea52cc0ca5d9eb0ff8a5fde5fa03946504476f9ee8bfe","last_reissued_at":"2026-05-18T01:18:19.775895Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:18:19.775895Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"How ions in solution can change the sign of the critical Casimir potential","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Alina Ciach, Anna Macio{\\l}ek, Faezeh Pousaneh","submitted_at":"2013-07-20T06:53:25Z","abstract_excerpt":"We show that hydrophilic ions present in a confined, near-critical aqueous mixture can lead to an attraction between like charge surfaces with opposing preferential adsorption of the two species of the mixture, even though the corresponding Casimir potential in uncharged systems is repulsive. This prediction agrees with recent experiment [Nellen {\\it{et al.}}, Soft Matter{\\bf{80}}, 061143 (2011)]. We also show that oppositely charged hydrophobic surfaces can repel each other, although the Casimir potential between uncharged surfaces with like preferential adsorption (selectivity) is attractive"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.5379","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":"1307.5379","created_at":"2026-05-18T01:18:19.775993+00:00"},{"alias_kind":"arxiv_version","alias_value":"1307.5379v2","created_at":"2026-05-18T01:18:19.775993+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.5379","created_at":"2026-05-18T01:18:19.775993+00:00"},{"alias_kind":"pith_short_12","alias_value":"Y55JG2PZLXTZ","created_at":"2026-05-18T12:28:06.772260+00:00"},{"alias_kind":"pith_short_16","alias_value":"Y55JG2PZLXTZNURO","created_at":"2026-05-18T12:28:06.772260+00:00"},{"alias_kind":"pith_short_8","alias_value":"Y55JG2PZ","created_at":"2026-05-18T12:28:06.772260+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/Y55JG2PZLXTZNUROUUWMBSS5T2","json":"https://pith.science/pith/Y55JG2PZLXTZNUROUUWMBSS5T2.json","graph_json":"https://pith.science/api/pith-number/Y55JG2PZLXTZNUROUUWMBSS5T2/graph.json","events_json":"https://pith.science/api/pith-number/Y55JG2PZLXTZNUROUUWMBSS5T2/events.json","paper":"https://pith.science/paper/Y55JG2PZ"},"agent_actions":{"view_html":"https://pith.science/pith/Y55JG2PZLXTZNUROUUWMBSS5T2","download_json":"https://pith.science/pith/Y55JG2PZLXTZNUROUUWMBSS5T2.json","view_paper":"https://pith.science/paper/Y55JG2PZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1307.5379&json=true","fetch_graph":"https://pith.science/api/pith-number/Y55JG2PZLXTZNUROUUWMBSS5T2/graph.json","fetch_events":"https://pith.science/api/pith-number/Y55JG2PZLXTZNUROUUWMBSS5T2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Y55JG2PZLXTZNUROUUWMBSS5T2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Y55JG2PZLXTZNUROUUWMBSS5T2/action/storage_attestation","attest_author":"https://pith.science/pith/Y55JG2PZLXTZNUROUUWMBSS5T2/action/author_attestation","sign_citation":"https://pith.science/pith/Y55JG2PZLXTZNUROUUWMBSS5T2/action/citation_signature","submit_replication":"https://pith.science/pith/Y55JG2PZLXTZNUROUUWMBSS5T2/action/replication_record"}},"created_at":"2026-05-18T01:18:19.775993+00:00","updated_at":"2026-05-18T01:18:19.775993+00:00"}