{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:SRQGDW7U7VSDGOPLD7TM3PU6QF","short_pith_number":"pith:SRQGDW7U","schema_version":"1.0","canonical_sha256":"946061dbf4fd643339eb1fe6cdbe9e8160a7f0929f1fdc03f24314f6da7b0ce8","source":{"kind":"arxiv","id":"1804.06993","version":2},"attestation_state":"computed","paper":{"title":"Structure and dynamics of a polymer-nanoparticle composite: Effect of nanoparticle size and volume fraction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.dis-nn","cond-mat.mtrl-sci"],"primary_cat":"cond-mat.soft","authors_text":"Valerio Sorichetti, Virginie Hugouvieux, Walter Kob","submitted_at":"2018-04-19T05:00:05Z","abstract_excerpt":"We use molecular dynamics simulations to study a semidilute, unentangled polymer solution containing well dispersed, weakly attractive nanoparticles (NP) of size ($\\sigma_N$) smaller than the polymer radius of gyration $R_g$. We find that if $\\sigma_N$ is larger than the monomer size the polymers swell, while smaller NPs cause chain contraction. The diffusion coefficient of polymer chains ($D_p$) and NPs ($D_N$) decreases if the volume fraction $\\phi_N$ is increased. The decrease of $D_p$ can be well described in terms of a confinement parameter, while $D_N$ shows a more complex dependence on "},"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":"1804.06993","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-04-19T05:00:05Z","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.mtrl-sci"],"title_canon_sha256":"ed05b83e5e9519143518d0b5297a3fd6347522ca44aba8dda6ba2e9ec5e1bfc9","abstract_canon_sha256":"e8b8b196b7c5567e9ede020f7612ebff2460b33c5099890759f21f63bb2ebb3c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:05:39.115589Z","signature_b64":"1u1Hll7XTzLSz55X8dROqacbZPzOB7ol7bxZVofW0BiCUAGrN/yKf/e0knlqzhk57WmFC6/ymf7L1ZTrC56HBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"946061dbf4fd643339eb1fe6cdbe9e8160a7f0929f1fdc03f24314f6da7b0ce8","last_reissued_at":"2026-05-18T00:05:39.115023Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:05:39.115023Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Structure and dynamics of a polymer-nanoparticle composite: Effect of nanoparticle size and volume fraction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.dis-nn","cond-mat.mtrl-sci"],"primary_cat":"cond-mat.soft","authors_text":"Valerio Sorichetti, Virginie Hugouvieux, Walter Kob","submitted_at":"2018-04-19T05:00:05Z","abstract_excerpt":"We use molecular dynamics simulations to study a semidilute, unentangled polymer solution containing well dispersed, weakly attractive nanoparticles (NP) of size ($\\sigma_N$) smaller than the polymer radius of gyration $R_g$. We find that if $\\sigma_N$ is larger than the monomer size the polymers swell, while smaller NPs cause chain contraction. The diffusion coefficient of polymer chains ($D_p$) and NPs ($D_N$) decreases if the volume fraction $\\phi_N$ is increased. The decrease of $D_p$ can be well described in terms of a confinement parameter, while $D_N$ shows a more complex dependence on "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.06993","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":"1804.06993","created_at":"2026-05-18T00:05:39.115105+00:00"},{"alias_kind":"arxiv_version","alias_value":"1804.06993v2","created_at":"2026-05-18T00:05:39.115105+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.06993","created_at":"2026-05-18T00:05:39.115105+00:00"},{"alias_kind":"pith_short_12","alias_value":"SRQGDW7U7VSD","created_at":"2026-05-18T12:32:53.628368+00:00"},{"alias_kind":"pith_short_16","alias_value":"SRQGDW7U7VSDGOPL","created_at":"2026-05-18T12:32:53.628368+00:00"},{"alias_kind":"pith_short_8","alias_value":"SRQGDW7U","created_at":"2026-05-18T12:32:53.628368+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/SRQGDW7U7VSDGOPLD7TM3PU6QF","json":"https://pith.science/pith/SRQGDW7U7VSDGOPLD7TM3PU6QF.json","graph_json":"https://pith.science/api/pith-number/SRQGDW7U7VSDGOPLD7TM3PU6QF/graph.json","events_json":"https://pith.science/api/pith-number/SRQGDW7U7VSDGOPLD7TM3PU6QF/events.json","paper":"https://pith.science/paper/SRQGDW7U"},"agent_actions":{"view_html":"https://pith.science/pith/SRQGDW7U7VSDGOPLD7TM3PU6QF","download_json":"https://pith.science/pith/SRQGDW7U7VSDGOPLD7TM3PU6QF.json","view_paper":"https://pith.science/paper/SRQGDW7U","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1804.06993&json=true","fetch_graph":"https://pith.science/api/pith-number/SRQGDW7U7VSDGOPLD7TM3PU6QF/graph.json","fetch_events":"https://pith.science/api/pith-number/SRQGDW7U7VSDGOPLD7TM3PU6QF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SRQGDW7U7VSDGOPLD7TM3PU6QF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SRQGDW7U7VSDGOPLD7TM3PU6QF/action/storage_attestation","attest_author":"https://pith.science/pith/SRQGDW7U7VSDGOPLD7TM3PU6QF/action/author_attestation","sign_citation":"https://pith.science/pith/SRQGDW7U7VSDGOPLD7TM3PU6QF/action/citation_signature","submit_replication":"https://pith.science/pith/SRQGDW7U7VSDGOPLD7TM3PU6QF/action/replication_record"}},"created_at":"2026-05-18T00:05:39.115105+00:00","updated_at":"2026-05-18T00:05:39.115105+00:00"}