{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:QHXDMQYDXOZUJ7SP3IVMKTRKLE","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":"d3de83abb56aca70199f532b51306d693dcde68165a96f6bd1d5c325bde1b36f","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2019-07-15T06:44:41Z","title_canon_sha256":"69bc9e6e529c7028dfc3176d127ac89224606e4e2a091409ea0419c0e73d88e9"},"schema_version":"1.0","source":{"id":"1907.06345","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.06345","created_at":"2026-05-17T23:40:37Z"},{"alias_kind":"arxiv_version","alias_value":"1907.06345v1","created_at":"2026-05-17T23:40:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.06345","created_at":"2026-05-17T23:40:37Z"},{"alias_kind":"pith_short_12","alias_value":"QHXDMQYDXOZU","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"QHXDMQYDXOZUJ7SP","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"QHXDMQYD","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:aff8d132c75a8d47a2642ec58d1b5db1e5b98eb95ccc77f03600bcdc156428b9","target":"graph","created_at":"2026-05-17T23:40:37Z","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 have developed a coarse-grained (CG) model of a polymer-clay system consisting of organically modified montmorillonite nanoclay as the nanoparticle in accordance with the MARTINI forcefield. We have used mechanical properties and cleavage free energy of clay particle to respectively parameterize bonded and nonbonded interaction parameters for an organically modified montmorillonite (oMMT) clay particle where intergallery Na+ ions are replaced by tetramethylammonium (TMA) ions. The mechanical properties were determined from the slope of stress-strain curve and cleavage free energy was determ","authors_text":"Gaurav Goel, Parvez khan","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2019-07-15T06:44:41Z","title":"Martini coarse-grained model for clay-polymer nanocomposites"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.06345","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":"sha256:436628a5085da41e1342123caefd15a63b8ac40ca61dc5b344d15076d3690c2e","target":"record","created_at":"2026-05-17T23:40:37Z","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":"d3de83abb56aca70199f532b51306d693dcde68165a96f6bd1d5c325bde1b36f","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2019-07-15T06:44:41Z","title_canon_sha256":"69bc9e6e529c7028dfc3176d127ac89224606e4e2a091409ea0419c0e73d88e9"},"schema_version":"1.0","source":{"id":"1907.06345","kind":"arxiv","version":1}},"canonical_sha256":"81ee364303bbb344fe4fda2ac54e2a59284e6f53645fb5041d48b5327cfd3de7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"81ee364303bbb344fe4fda2ac54e2a59284e6f53645fb5041d48b5327cfd3de7","first_computed_at":"2026-05-17T23:40:37.873263Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:40:37.873263Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4wLWbNiNa8qTz69tUPI5qf5Lmj1k5gor39sOnOHEAdi8r0AqT/43ejjewWkM2hvd1/Lh+Qpsta2WV70Ahx5pAg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:40:37.874156Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.06345","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:436628a5085da41e1342123caefd15a63b8ac40ca61dc5b344d15076d3690c2e","sha256:aff8d132c75a8d47a2642ec58d1b5db1e5b98eb95ccc77f03600bcdc156428b9"],"state_sha256":"881910d0d399bebc41e352a6beaf57ea6ecd294fc94a125f8b4814cf76686a95"}