{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:QJVN7MZT5CUKRMBIH3OTRCPAXU","short_pith_number":"pith:QJVN7MZT","canonical_record":{"source":{"id":"1809.06170","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-09-17T12:56:51Z","cross_cats_sorted":["physics.chem-ph","physics.comp-ph"],"title_canon_sha256":"4a12c7fb1361f31b698c0e5d282a36137fe4274210cdd4fa56d4ffba9d8bad02","abstract_canon_sha256":"8e08821777f497b425e9c49d558eab02c1e7b089bccba59b8c2ff451c94a2f8c"},"schema_version":"1.0"},"canonical_sha256":"826adfb333e8a8a8b0283edd3889e0bd0ba1642a5f9ebc361a82d6bca63dcd00","source":{"kind":"arxiv","id":"1809.06170","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.06170","created_at":"2026-05-18T00:05:35Z"},{"alias_kind":"arxiv_version","alias_value":"1809.06170v1","created_at":"2026-05-18T00:05:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.06170","created_at":"2026-05-18T00:05:35Z"},{"alias_kind":"pith_short_12","alias_value":"QJVN7MZT5CUK","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"QJVN7MZT5CUKRMBI","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"QJVN7MZT","created_at":"2026-05-18T12:32:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:QJVN7MZT5CUKRMBIH3OTRCPAXU","target":"record","payload":{"canonical_record":{"source":{"id":"1809.06170","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-09-17T12:56:51Z","cross_cats_sorted":["physics.chem-ph","physics.comp-ph"],"title_canon_sha256":"4a12c7fb1361f31b698c0e5d282a36137fe4274210cdd4fa56d4ffba9d8bad02","abstract_canon_sha256":"8e08821777f497b425e9c49d558eab02c1e7b089bccba59b8c2ff451c94a2f8c"},"schema_version":"1.0"},"canonical_sha256":"826adfb333e8a8a8b0283edd3889e0bd0ba1642a5f9ebc361a82d6bca63dcd00","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:05:35.436548Z","signature_b64":"+kqHBb8aeXIRiWBv4ieYCYShnTyyyCBTS/ROInxsq+oCpDrEYiyfyuyOupuKOV00qIOHhreaHaG8RBYo0seRAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"826adfb333e8a8a8b0283edd3889e0bd0ba1642a5f9ebc361a82d6bca63dcd00","last_reissued_at":"2026-05-18T00:05:35.436080Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:05:35.436080Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1809.06170","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:05:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TPYGx/vLXMHRdBPr4drO3WEbdiopa424xvLN7mQT8KESha/UEM/5WZnZm9SzcThJj3mNdY6+qHjP+nWvVHR+AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T08:23:28.191836Z"},"content_sha256":"701ae2434c1f276a188ea340907f1784b8a08d030db860c02e52e78224c0e7a2","schema_version":"1.0","event_id":"sha256:701ae2434c1f276a188ea340907f1784b8a08d030db860c02e52e78224c0e7a2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:QJVN7MZT5CUKRMBIH3OTRCPAXU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Molecular Structure and Multi-Body Potential of Mean Force in Silica-Polystyrene Nanocomposites","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph","physics.comp-ph"],"primary_cat":"cond-mat.soft","authors_text":"Andreas Kalogirou, Antonio De Nicola, Antonio Pizzirusso, Florian M\\\"uller-Plathe, Gianmarco Muna\\`o, Giuseppe Milano, Toshihiro Kawakatsu","submitted_at":"2018-09-17T12:56:51Z","abstract_excerpt":"We perform a systematic application of the hybrid particle-field molecular dynamics technique [Milano et al, J. Chem. Phys. 2009, 130, 214106] to study interfacial properties and potential of mean force (PMF) for separating nanoparticles (NPs) in a melt. Specifically, we consider Silica NPs bare or grafted with Polystyrene chains, aiming to shed light on the interactions among free and grafted chains affecting the dispersion of NPs in the nanocomposite. The proposed hybrid models show good performances in catching the local structure of the chains, and in particular their density profiles, doc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.06170","kind":"arxiv","version":1},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:05:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m5CO51t8DLWp+dLL13Hha6DCM1tmMJ8K9STFAcCgR5oYllpFuj+JBo+MfvvJhpIvWXYuqwrP2/6awuRHBQg2Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T08:23:28.192520Z"},"content_sha256":"65239291009a4e2e0ecff2b5ada22a1fa2e0836931645811526a2ebb08cbe42f","schema_version":"1.0","event_id":"sha256:65239291009a4e2e0ecff2b5ada22a1fa2e0836931645811526a2ebb08cbe42f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QJVN7MZT5CUKRMBIH3OTRCPAXU/bundle.json","state_url":"https://pith.science/pith/QJVN7MZT5CUKRMBIH3OTRCPAXU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QJVN7MZT5CUKRMBIH3OTRCPAXU/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-09T08:23:28Z","links":{"resolver":"https://pith.science/pith/QJVN7MZT5CUKRMBIH3OTRCPAXU","bundle":"https://pith.science/pith/QJVN7MZT5CUKRMBIH3OTRCPAXU/bundle.json","state":"https://pith.science/pith/QJVN7MZT5CUKRMBIH3OTRCPAXU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QJVN7MZT5CUKRMBIH3OTRCPAXU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:QJVN7MZT5CUKRMBIH3OTRCPAXU","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":"8e08821777f497b425e9c49d558eab02c1e7b089bccba59b8c2ff451c94a2f8c","cross_cats_sorted":["physics.chem-ph","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-09-17T12:56:51Z","title_canon_sha256":"4a12c7fb1361f31b698c0e5d282a36137fe4274210cdd4fa56d4ffba9d8bad02"},"schema_version":"1.0","source":{"id":"1809.06170","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.06170","created_at":"2026-05-18T00:05:35Z"},{"alias_kind":"arxiv_version","alias_value":"1809.06170v1","created_at":"2026-05-18T00:05:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.06170","created_at":"2026-05-18T00:05:35Z"},{"alias_kind":"pith_short_12","alias_value":"QJVN7MZT5CUK","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"QJVN7MZT5CUKRMBI","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"QJVN7MZT","created_at":"2026-05-18T12:32:46Z"}],"graph_snapshots":[{"event_id":"sha256:65239291009a4e2e0ecff2b5ada22a1fa2e0836931645811526a2ebb08cbe42f","target":"graph","created_at":"2026-05-18T00:05:35Z","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 perform a systematic application of the hybrid particle-field molecular dynamics technique [Milano et al, J. Chem. Phys. 2009, 130, 214106] to study interfacial properties and potential of mean force (PMF) for separating nanoparticles (NPs) in a melt. Specifically, we consider Silica NPs bare or grafted with Polystyrene chains, aiming to shed light on the interactions among free and grafted chains affecting the dispersion of NPs in the nanocomposite. The proposed hybrid models show good performances in catching the local structure of the chains, and in particular their density profiles, doc","authors_text":"Andreas Kalogirou, Antonio De Nicola, Antonio Pizzirusso, Florian M\\\"uller-Plathe, Gianmarco Muna\\`o, Giuseppe Milano, Toshihiro Kawakatsu","cross_cats":["physics.chem-ph","physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-09-17T12:56:51Z","title":"Molecular Structure and Multi-Body Potential of Mean Force in Silica-Polystyrene Nanocomposites"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.06170","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":"sha256:701ae2434c1f276a188ea340907f1784b8a08d030db860c02e52e78224c0e7a2","target":"record","created_at":"2026-05-18T00:05:35Z","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":"8e08821777f497b425e9c49d558eab02c1e7b089bccba59b8c2ff451c94a2f8c","cross_cats_sorted":["physics.chem-ph","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-09-17T12:56:51Z","title_canon_sha256":"4a12c7fb1361f31b698c0e5d282a36137fe4274210cdd4fa56d4ffba9d8bad02"},"schema_version":"1.0","source":{"id":"1809.06170","kind":"arxiv","version":1}},"canonical_sha256":"826adfb333e8a8a8b0283edd3889e0bd0ba1642a5f9ebc361a82d6bca63dcd00","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"826adfb333e8a8a8b0283edd3889e0bd0ba1642a5f9ebc361a82d6bca63dcd00","first_computed_at":"2026-05-18T00:05:35.436080Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:05:35.436080Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+kqHBb8aeXIRiWBv4ieYCYShnTyyyCBTS/ROInxsq+oCpDrEYiyfyuyOupuKOV00qIOHhreaHaG8RBYo0seRAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:05:35.436548Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.06170","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:701ae2434c1f276a188ea340907f1784b8a08d030db860c02e52e78224c0e7a2","sha256:65239291009a4e2e0ecff2b5ada22a1fa2e0836931645811526a2ebb08cbe42f"],"state_sha256":"fe493f106f8dfa9616f6a501555f881bec40c09bfac0691534694d57ee27d8fe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UE2R0qfZLu83BQyTEAciCVCkjmCTBg3BrZPHz1s67+gkEB1RY+3U1G/T1oqsA/sZ+xnQpJ6MfOGTFMXE5S5wDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T08:23:28.196793Z","bundle_sha256":"f42d433ad5cba7b9c9a86d99f59c711f5649bde4760b3b279d9984e1d9edb446"}}