{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:ANW7LBS47KZN7SXZOSZL2UOW54","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":"fb863b45b1d63805cb8a2bf165b0ce58622f2230af35b12cea02d08702f17276","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2012-07-03T11:12:13Z","title_canon_sha256":"9d82d6b8ff3a82d8aeae72484bb38e92d403604d0b3e0d9d75b223789657816a"},"schema_version":"1.0","source":{"id":"1207.0635","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.0635","created_at":"2026-05-18T03:45:52Z"},{"alias_kind":"arxiv_version","alias_value":"1207.0635v2","created_at":"2026-05-18T03:45:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.0635","created_at":"2026-05-18T03:45:52Z"},{"alias_kind":"pith_short_12","alias_value":"ANW7LBS47KZN","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"ANW7LBS47KZN7SXZ","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"ANW7LBS4","created_at":"2026-05-18T12:26:58Z"}],"graph_snapshots":[{"event_id":"sha256:a314ade70dce102e573044c90edd2989c560e0316e6db8f1b682e912a855201a","target":"graph","created_at":"2026-05-18T03:45:52Z","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 report on a molecular dynamics investigation of the wetting properties of graphitic surfaces by various solutions at concentrations 1-8 wt% of commercially available non-ionic surfactants with long hydrophilic chains, linear or T-shaped. These are surfactants of length up to 160 [\\AA]. It turns out that molecular dynamics simulations of such systems ask for a number of solvent particles that can be reached without seriously compromising computational efficiency only by employing a coarse-grained model. The MARTINI force field with polarizable water offers a framework particularly suited for","authors_text":"Alberto Ortona, Danilo Sergi, Giulio Scocchi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2012-07-03T11:12:13Z","title":"Coarse-graining MARTINI model for molecular-dynamics simulations of the wetting properties of graphitic surfaces with non-ionic, long-chain and T-shaped surfactants"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.0635","kind":"arxiv","version":2},"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":"sha256:7dea0465191139114e23e3213941f93feda244f9ad5c00b659cf2a58eb7a1b13","target":"record","created_at":"2026-05-18T03:45:52Z","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":"fb863b45b1d63805cb8a2bf165b0ce58622f2230af35b12cea02d08702f17276","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2012-07-03T11:12:13Z","title_canon_sha256":"9d82d6b8ff3a82d8aeae72484bb38e92d403604d0b3e0d9d75b223789657816a"},"schema_version":"1.0","source":{"id":"1207.0635","kind":"arxiv","version":2}},"canonical_sha256":"036df5865cfab2dfcaf974b2bd51d6ef36e793c2e788a3d49a2e328f9ef7b7da","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"036df5865cfab2dfcaf974b2bd51d6ef36e793c2e788a3d49a2e328f9ef7b7da","first_computed_at":"2026-05-18T03:45:52.853311Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:45:52.853311Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NwUFZxDDdPd2J7IMS4LNirS6q5GqE4T8prbPDxwFy9bFkUl5D+aPsRQNtsZdZxbFfhI6zOiwMUeOBI5sgti4Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:45:52.854070Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.0635","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7dea0465191139114e23e3213941f93feda244f9ad5c00b659cf2a58eb7a1b13","sha256:a314ade70dce102e573044c90edd2989c560e0316e6db8f1b682e912a855201a"],"state_sha256":"560aef5a0546d60a4099725cafd9faa6440e9868911775651c14d9b45db3f50e"}