{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:QQVZANGQZYCBLEGRSGSZQTO3LK","short_pith_number":"pith:QQVZANGQ","canonical_record":{"source":{"id":"1711.06198","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2017-11-16T17:08:48Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"c1338ce6b88108e9a16436fd95c973e24357961d718aa38597bac05fb71cd117","abstract_canon_sha256":"d26b9426fef6cfa6cfb017ae0403f3572c7dc4fb7ff05eb7426fc3d43310337b"},"schema_version":"1.0"},"canonical_sha256":"842b9034d0ce041590d191a5984ddb5abd0ccfc853e1bd939080d930b29b7ed1","source":{"kind":"arxiv","id":"1711.06198","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.06198","created_at":"2026-05-18T00:28:29Z"},{"alias_kind":"arxiv_version","alias_value":"1711.06198v1","created_at":"2026-05-18T00:28:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.06198","created_at":"2026-05-18T00:28:29Z"},{"alias_kind":"pith_short_12","alias_value":"QQVZANGQZYCB","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"QQVZANGQZYCBLEGR","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"QQVZANGQ","created_at":"2026-05-18T12:31:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:QQVZANGQZYCBLEGRSGSZQTO3LK","target":"record","payload":{"canonical_record":{"source":{"id":"1711.06198","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2017-11-16T17:08:48Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"c1338ce6b88108e9a16436fd95c973e24357961d718aa38597bac05fb71cd117","abstract_canon_sha256":"d26b9426fef6cfa6cfb017ae0403f3572c7dc4fb7ff05eb7426fc3d43310337b"},"schema_version":"1.0"},"canonical_sha256":"842b9034d0ce041590d191a5984ddb5abd0ccfc853e1bd939080d930b29b7ed1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:29.410075Z","signature_b64":"LW0qv5YVP2XKACWCHe1GDbq36wyUruFfTXcNVy5B7fGuFF+gGoloQB10YF93EgSoTgef2YyC6z+fRZsEhmp5AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"842b9034d0ce041590d191a5984ddb5abd0ccfc853e1bd939080d930b29b7ed1","last_reissued_at":"2026-05-18T00:28:29.409451Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:29.409451Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.06198","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":"2026-05-18T00:28:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KFiqDx+/BJjk66awCPUC/4Ke9QV+dnJP54sQdF+J5XhYSAbpIJKc4dTj+8WaIRK17p7y9eDZzeeO+HkkXvOgCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T03:47:47.581739Z"},"content_sha256":"77b510ad016f5b0a1785a2bf2e4ac186be1d07037750d015b3bd4ffb6aa563cd","schema_version":"1.0","event_id":"sha256:77b510ad016f5b0a1785a2bf2e4ac186be1d07037750d015b3bd4ffb6aa563cd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:QQVZANGQZYCBLEGRSGSZQTO3LK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ordering Nanoparticles with Polymer Brushes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.soft","authors_text":"Gary S. Grest, Mark J. Stevens, Shengfeng Cheng","submitted_at":"2017-11-16T17:08:48Z","abstract_excerpt":"Ordering nanoparticles into a desired super-structure is often crucial for their technological applications. We use molecular dynamics simulations to study the assembly of nanoparticles in a polymer brush randomly grafted to a planar surface as the solvent evaporates. Initially, the nanoparticles are dispersed in a solvent that wets the polymer brush. After the solvent evaporates, the nanoparticles are either inside the brush or adsorbed at the surface of the brush, depending on the strength of the nanoparticle-polymer interaction. For strong nanoparticle-polymer interactions, a 2-dimensional "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.06198","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":"2026-05-18T00:28:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ve6wX4XaflbYbSe3JpL9dvFsXdL1iSX1ibI3+BzFmZPFeW5OVYlyfxeY53tNTXi6BNdWdC7Iz8DsbormmLcbBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T03:47:47.582428Z"},"content_sha256":"06c57a923c9d5a4c5640e0c4c68648d92cc1324bbde40c1cbfb19a9d764c319a","schema_version":"1.0","event_id":"sha256:06c57a923c9d5a4c5640e0c4c68648d92cc1324bbde40c1cbfb19a9d764c319a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QQVZANGQZYCBLEGRSGSZQTO3LK/bundle.json","state_url":"https://pith.science/pith/QQVZANGQZYCBLEGRSGSZQTO3LK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QQVZANGQZYCBLEGRSGSZQTO3LK/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":"2026-05-20T03:47:47Z","links":{"resolver":"https://pith.science/pith/QQVZANGQZYCBLEGRSGSZQTO3LK","bundle":"https://pith.science/pith/QQVZANGQZYCBLEGRSGSZQTO3LK/bundle.json","state":"https://pith.science/pith/QQVZANGQZYCBLEGRSGSZQTO3LK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QQVZANGQZYCBLEGRSGSZQTO3LK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:QQVZANGQZYCBLEGRSGSZQTO3LK","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":"d26b9426fef6cfa6cfb017ae0403f3572c7dc4fb7ff05eb7426fc3d43310337b","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2017-11-16T17:08:48Z","title_canon_sha256":"c1338ce6b88108e9a16436fd95c973e24357961d718aa38597bac05fb71cd117"},"schema_version":"1.0","source":{"id":"1711.06198","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.06198","created_at":"2026-05-18T00:28:29Z"},{"alias_kind":"arxiv_version","alias_value":"1711.06198v1","created_at":"2026-05-18T00:28:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.06198","created_at":"2026-05-18T00:28:29Z"},{"alias_kind":"pith_short_12","alias_value":"QQVZANGQZYCB","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"QQVZANGQZYCBLEGR","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"QQVZANGQ","created_at":"2026-05-18T12:31:39Z"}],"graph_snapshots":[{"event_id":"sha256:06c57a923c9d5a4c5640e0c4c68648d92cc1324bbde40c1cbfb19a9d764c319a","target":"graph","created_at":"2026-05-18T00:28:29Z","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":"Ordering nanoparticles into a desired super-structure is often crucial for their technological applications. We use molecular dynamics simulations to study the assembly of nanoparticles in a polymer brush randomly grafted to a planar surface as the solvent evaporates. Initially, the nanoparticles are dispersed in a solvent that wets the polymer brush. After the solvent evaporates, the nanoparticles are either inside the brush or adsorbed at the surface of the brush, depending on the strength of the nanoparticle-polymer interaction. For strong nanoparticle-polymer interactions, a 2-dimensional ","authors_text":"Gary S. Grest, Mark J. Stevens, Shengfeng Cheng","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2017-11-16T17:08:48Z","title":"Ordering Nanoparticles with Polymer Brushes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.06198","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":"sha256:77b510ad016f5b0a1785a2bf2e4ac186be1d07037750d015b3bd4ffb6aa563cd","target":"record","created_at":"2026-05-18T00:28:29Z","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":"d26b9426fef6cfa6cfb017ae0403f3572c7dc4fb7ff05eb7426fc3d43310337b","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2017-11-16T17:08:48Z","title_canon_sha256":"c1338ce6b88108e9a16436fd95c973e24357961d718aa38597bac05fb71cd117"},"schema_version":"1.0","source":{"id":"1711.06198","kind":"arxiv","version":1}},"canonical_sha256":"842b9034d0ce041590d191a5984ddb5abd0ccfc853e1bd939080d930b29b7ed1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"842b9034d0ce041590d191a5984ddb5abd0ccfc853e1bd939080d930b29b7ed1","first_computed_at":"2026-05-18T00:28:29.409451Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:28:29.409451Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LW0qv5YVP2XKACWCHe1GDbq36wyUruFfTXcNVy5B7fGuFF+gGoloQB10YF93EgSoTgef2YyC6z+fRZsEhmp5AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:28:29.410075Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.06198","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:77b510ad016f5b0a1785a2bf2e4ac186be1d07037750d015b3bd4ffb6aa563cd","sha256:06c57a923c9d5a4c5640e0c4c68648d92cc1324bbde40c1cbfb19a9d764c319a"],"state_sha256":"d1c7c69c9e770288e724c4b3e7af40096a7e85d2249d9d67f96092e6e02cd865"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J5PO9SEDbXk7fOQJ3YtpLi1VZpiJXSR8aRwzTFp1rTKZjX49awiuj1LmEBiOwqvF7mizSZfzDU/0j/uSrhluCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T03:47:47.586095Z","bundle_sha256":"5ac044aae97e7fa9bf7130e4f99c1dabce56c5c4898690edf63b488f55da18ab"}}