{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2001:JYNW5F6ENTU3GZULI2N52ZEMHL","short_pith_number":"pith:JYNW5F6E","schema_version":"1.0","canonical_sha256":"4e1b6e97c46ce9b3668b469bdd648c3ad527a4bba2afc5d328073614d51d6b4c","source":{"kind":"arxiv","id":"cond-mat/0110385","version":2},"attestation_state":"computed","paper":{"title":"Effective forces in colloidal mixtures: from depletion attraction to accumulation repulsion","license":"","headline":"Effective forces between large colloids switch from attraction to repulsion as small-particle interactions change sign and strength.","cross_cats":["cond-mat.stat-mech"],"primary_cat":"cond-mat.soft","authors_text":"A.A. Louis, E. Allahyarov, H. Lowen, R.Roth","submitted_at":"2001-10-18T20:04:18Z","abstract_excerpt":"Computer simulations and theory are used to systematically investigate how the effective force between two big colloidal spheres in a sea of small spheres depends on the basic (big-small and small-small) interactions. The latter are modeled as hard-core pair potentials with a Yukawa tail which can be both repulsive or attractive. For a repulsive small-small interaction, the effective force follows the trends as predicted by a mapping onto an effective non-additive hard-core mixture: both a depletion attraction and an accumulation repulsion caused by small spheres adsorbing onto the big ones ca"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":true,"weak_author_claims":0,"strong_author_claims":1,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":true},"canonical_record":{"source":{"id":"cond-mat/0110385","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat.soft","submitted_at":"2001-10-18T20:04:18Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"462ab8325c1ecdde66cf642ef3b8504b8bd8a27db0146f44454417d603365a2e","abstract_canon_sha256":"8227c13a1c718c950feb6fd5767fe8678369f5530fe8d80c987f030667aabafc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:26:25.689862Z","signature_b64":"hbfsVBrQ+WHRM3zKX02EKnogbUHS0heI2/udfKX6S9QcGV/479w2sWDrZQJ57nYMjUKAqMTyW2Q2ZLH60XVyAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e1b6e97c46ce9b3668b469bdd648c3ad527a4bba2afc5d328073614d51d6b4c","last_reissued_at":"2026-07-04T16:26:25.689440Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:26:25.689440Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Effective forces in colloidal mixtures: from depletion attraction to accumulation repulsion","license":"","headline":"Effective forces between large colloids switch from attraction to repulsion as small-particle interactions change sign and strength.","cross_cats":["cond-mat.stat-mech"],"primary_cat":"cond-mat.soft","authors_text":"A.A. Louis, E. Allahyarov, H. Lowen, R.Roth","submitted_at":"2001-10-18T20:04:18Z","abstract_excerpt":"Computer simulations and theory are used to systematically investigate how the effective force between two big colloidal spheres in a sea of small spheres depends on the basic (big-small and small-small) interactions. The latter are modeled as hard-core pair potentials with a Yukawa tail which can be both repulsive or attractive. For a repulsive small-small interaction, the effective force follows the trends as predicted by a mapping onto an effective non-additive hard-core mixture: both a depletion attraction and an accumulation repulsion caused by small spheres adsorbing onto the big ones ca"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"For repulsive big-small interactions the effective force follows the non-additive hard-core mapping; when both big-small and small-small attractions are present, increasing small-small attraction strength makes the effective potential more repulsive.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"The mapping onto an effective non-additive hard-core mixture remains quantitatively useful once a small-small attraction is added; the abstract states that the mapping trends are followed but does not quantify the error introduced by the attraction.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"Effective colloid-colloid forces switch from depletion attraction to accumulation repulsion or repulsion-through-attraction depending on the signs and strengths of the underlying big-small and small-small Yukawa interactions.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Effective forces between large colloids switch from attraction to repulsion as small-particle interactions change sign and strength.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"70773888d9d6fa3e084d92a76a04c635e447a828df5d54b1ca5d27e22ff1f63f"},"source":{"id":"cond-mat/0110385","kind":"arxiv","version":2},"verdict":{"id":"a88faf9b-a7d8-4edc-a123-4e32eece075a","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-14T22:19:08.089770Z","strongest_claim":"For repulsive big-small interactions the effective force follows the non-additive hard-core mapping; when both big-small and small-small attractions are present, increasing small-small attraction strength makes the effective potential more repulsive.","one_line_summary":"Effective colloid-colloid forces switch from depletion attraction to accumulation repulsion or repulsion-through-attraction depending on the signs and strengths of the underlying big-small and small-small Yukawa interactions.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"The mapping onto an effective non-additive hard-core mixture remains quantitatively useful once a small-small attraction is added; the abstract states that the mapping trends are followed but does not quantify the error introduced by the attraction.","pith_extraction_headline":"Effective forces between large colloids switch from attraction to repulsion as small-particle interactions change sign and strength."},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/cond-mat/0110385/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":2,"snapshot_sha256":"2c98ed39c8d43bbc0265f0b49f5aee45123ab708540ea43a636fb9c896d074c1"},"author_claims":{"count":1,"strong_count":1,"snapshot_sha256":"5e3b23b793a24ad44d50f012bed3c12f7c9e9c566d826ad85b79440943422c6c"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0110385","created_at":"2026-07-04T16:26:25.689495+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0110385v2","created_at":"2026-07-04T16:26:25.689495+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0110385","created_at":"2026-07-04T16:26:25.689495+00:00"},{"alias_kind":"pith_short_12","alias_value":"JYNW5F6ENTU3","created_at":"2026-07-04T16:26:25.689495+00:00"},{"alias_kind":"pith_short_16","alias_value":"JYNW5F6ENTU3GZUL","created_at":"2026-07-04T16:26:25.689495+00:00"},{"alias_kind":"pith_short_8","alias_value":"JYNW5F6E","created_at":"2026-07-04T16:26:25.689495+00:00"}],"events":[],"event_summary":{},"paper_claims":[{"claim_id":"b321fd51-4e73-4cd4-99bc-52dc09ed3868","handle":"elshad","display_name":"Elshad Allahyarov","verification":"orcid_verified","verification_note":"arxiv author list contains Allahyarov; ORCID linked to Pith account","role_label":null,"open_disputes":0}],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":2,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/JYNW5F6ENTU3GZULI2N52ZEMHL","json":"https://pith.science/pith/JYNW5F6ENTU3GZULI2N52ZEMHL.json","graph_json":"https://pith.science/api/pith-number/JYNW5F6ENTU3GZULI2N52ZEMHL/graph.json","events_json":"https://pith.science/api/pith-number/JYNW5F6ENTU3GZULI2N52ZEMHL/events.json","paper":"https://pith.science/paper/JYNW5F6E"},"agent_actions":{"view_html":"https://pith.science/pith/JYNW5F6ENTU3GZULI2N52ZEMHL","download_json":"https://pith.science/pith/JYNW5F6ENTU3GZULI2N52ZEMHL.json","view_paper":"https://pith.science/paper/JYNW5F6E","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/0110385&json=true","fetch_graph":"https://pith.science/api/pith-number/JYNW5F6ENTU3GZULI2N52ZEMHL/graph.json","fetch_events":"https://pith.science/api/pith-number/JYNW5F6ENTU3GZULI2N52ZEMHL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JYNW5F6ENTU3GZULI2N52ZEMHL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JYNW5F6ENTU3GZULI2N52ZEMHL/action/storage_attestation","attest_author":"https://pith.science/pith/JYNW5F6ENTU3GZULI2N52ZEMHL/action/author_attestation","sign_citation":"https://pith.science/pith/JYNW5F6ENTU3GZULI2N52ZEMHL/action/citation_signature","submit_replication":"https://pith.science/pith/JYNW5F6ENTU3GZULI2N52ZEMHL/action/replication_record"}},"created_at":"2026-07-04T16:26:25.689495+00:00","updated_at":"2026-07-04T16:26:25.689495+00:00"}