{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:UR3HAZJOGS2D2QKYED52S6TXEI","short_pith_number":"pith:UR3HAZJO","canonical_record":{"source":{"id":"1805.03993","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2018-05-09T09:13:59Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"4428c67ede57f47a5d76775b48f85c80ce1bab8de09ba623d9b9ca8b41fd2bdd","abstract_canon_sha256":"528d12fe16ea9b772034834ac9839650b7cbb5af12177fca6f4e0f4d5290a9f7"},"schema_version":"1.0"},"canonical_sha256":"a47670652e34b43d415820fba97a77221cd07183aa3f573a8056526c5df5a232","source":{"kind":"arxiv","id":"1805.03993","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.03993","created_at":"2026-05-18T00:06:02Z"},{"alias_kind":"arxiv_version","alias_value":"1805.03993v2","created_at":"2026-05-18T00:06:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.03993","created_at":"2026-05-18T00:06:02Z"},{"alias_kind":"pith_short_12","alias_value":"UR3HAZJOGS2D","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"UR3HAZJOGS2D2QKY","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"UR3HAZJO","created_at":"2026-05-18T12:32:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:UR3HAZJOGS2D2QKYED52S6TXEI","target":"record","payload":{"canonical_record":{"source":{"id":"1805.03993","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2018-05-09T09:13:59Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"4428c67ede57f47a5d76775b48f85c80ce1bab8de09ba623d9b9ca8b41fd2bdd","abstract_canon_sha256":"528d12fe16ea9b772034834ac9839650b7cbb5af12177fca6f4e0f4d5290a9f7"},"schema_version":"1.0"},"canonical_sha256":"a47670652e34b43d415820fba97a77221cd07183aa3f573a8056526c5df5a232","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:06:02.227851Z","signature_b64":"/G2NFkke3kBThI+UAdlGSQf0tBbP2rMomgWC7H9SgQ33FMqBGIiJ5pp9Z/IPVBSm4m21cSgsVyGpRzDF5q9yDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a47670652e34b43d415820fba97a77221cd07183aa3f573a8056526c5df5a232","last_reissued_at":"2026-05-18T00:06:02.227430Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:06:02.227430Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.03993","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:06:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LQYG9UdkQlL3fKTPeK1sV4/rOpkBDzhhRcJWaELwK+tW6xFJJBo05sodZoOhEy5mkqyKqEnCstUR7G2TLi+ICg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T12:51:04.338061Z"},"content_sha256":"bc091fef98a1dccf74611b60392e2abed229d7852ab96821332b334c918b9e96","schema_version":"1.0","event_id":"sha256:bc091fef98a1dccf74611b60392e2abed229d7852ab96821332b334c918b9e96"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:UR3HAZJOGS2D2QKYED52S6TXEI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Experimental observation of current reversal in a rocking Brownian motor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft"],"primary_cat":"cond-mat.stat-mech","authors_text":"Armin W. Knoll, Christian Schwemmer, Stefan Fringes, Urs Duerig, Yu Kyoung Ryu Cho","submitted_at":"2018-05-09T09:13:59Z","abstract_excerpt":"A reversal of the particle current in rocking Brownian motors was predicted more than 20 years ago; however, an experimental verification and a deeper insight into the underlying mechanisms remained elusive. Here, we investigate the high frequency behaviour of a rocking Brownian motor for charged nanoparticles based on electrostatic interactions in a 3D shaped nanofluidic slit and electro-osmotic forcing of the particles. A sub ms temporal and $\\approx\\,10\\,$nm spatial resolution of the 60 nm gold spheres allows us to measure the time-resolved and frequency dependent evolution of the particle "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.03993","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:06:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x6zswy/q6sb+ZphMGxRTxeIUEau4ARMPq+Kc/pFcqumyn5mARPgR4u7QuEOovu+0xudVi5c2z+uGsjuHOeVDBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T12:51:04.338412Z"},"content_sha256":"095d107f41a173c7ddcdee8e46cdf8a233490166bcdb86b95c42358e1fb5d8af","schema_version":"1.0","event_id":"sha256:095d107f41a173c7ddcdee8e46cdf8a233490166bcdb86b95c42358e1fb5d8af"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UR3HAZJOGS2D2QKYED52S6TXEI/bundle.json","state_url":"https://pith.science/pith/UR3HAZJOGS2D2QKYED52S6TXEI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UR3HAZJOGS2D2QKYED52S6TXEI/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":"2026-06-26T12:51:04Z","links":{"resolver":"https://pith.science/pith/UR3HAZJOGS2D2QKYED52S6TXEI","bundle":"https://pith.science/pith/UR3HAZJOGS2D2QKYED52S6TXEI/bundle.json","state":"https://pith.science/pith/UR3HAZJOGS2D2QKYED52S6TXEI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UR3HAZJOGS2D2QKYED52S6TXEI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:UR3HAZJOGS2D2QKYED52S6TXEI","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":"528d12fe16ea9b772034834ac9839650b7cbb5af12177fca6f4e0f4d5290a9f7","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2018-05-09T09:13:59Z","title_canon_sha256":"4428c67ede57f47a5d76775b48f85c80ce1bab8de09ba623d9b9ca8b41fd2bdd"},"schema_version":"1.0","source":{"id":"1805.03993","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.03993","created_at":"2026-05-18T00:06:02Z"},{"alias_kind":"arxiv_version","alias_value":"1805.03993v2","created_at":"2026-05-18T00:06:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.03993","created_at":"2026-05-18T00:06:02Z"},{"alias_kind":"pith_short_12","alias_value":"UR3HAZJOGS2D","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"UR3HAZJOGS2D2QKY","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"UR3HAZJO","created_at":"2026-05-18T12:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:095d107f41a173c7ddcdee8e46cdf8a233490166bcdb86b95c42358e1fb5d8af","target":"graph","created_at":"2026-05-18T00:06:02Z","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":"A reversal of the particle current in rocking Brownian motors was predicted more than 20 years ago; however, an experimental verification and a deeper insight into the underlying mechanisms remained elusive. Here, we investigate the high frequency behaviour of a rocking Brownian motor for charged nanoparticles based on electrostatic interactions in a 3D shaped nanofluidic slit and electro-osmotic forcing of the particles. A sub ms temporal and $\\approx\\,10\\,$nm spatial resolution of the 60 nm gold spheres allows us to measure the time-resolved and frequency dependent evolution of the particle ","authors_text":"Armin W. Knoll, Christian Schwemmer, Stefan Fringes, Urs Duerig, Yu Kyoung Ryu Cho","cross_cats":["cond-mat.soft"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2018-05-09T09:13:59Z","title":"Experimental observation of current reversal in a rocking Brownian motor"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.03993","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:bc091fef98a1dccf74611b60392e2abed229d7852ab96821332b334c918b9e96","target":"record","created_at":"2026-05-18T00:06:02Z","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":"528d12fe16ea9b772034834ac9839650b7cbb5af12177fca6f4e0f4d5290a9f7","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2018-05-09T09:13:59Z","title_canon_sha256":"4428c67ede57f47a5d76775b48f85c80ce1bab8de09ba623d9b9ca8b41fd2bdd"},"schema_version":"1.0","source":{"id":"1805.03993","kind":"arxiv","version":2}},"canonical_sha256":"a47670652e34b43d415820fba97a77221cd07183aa3f573a8056526c5df5a232","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a47670652e34b43d415820fba97a77221cd07183aa3f573a8056526c5df5a232","first_computed_at":"2026-05-18T00:06:02.227430Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:06:02.227430Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/G2NFkke3kBThI+UAdlGSQf0tBbP2rMomgWC7H9SgQ33FMqBGIiJ5pp9Z/IPVBSm4m21cSgsVyGpRzDF5q9yDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:06:02.227851Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.03993","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bc091fef98a1dccf74611b60392e2abed229d7852ab96821332b334c918b9e96","sha256:095d107f41a173c7ddcdee8e46cdf8a233490166bcdb86b95c42358e1fb5d8af"],"state_sha256":"bdc66b89cee05f52ebafe552b425f8d96021be4e73fd8ab89e0f6683f9cee4af"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cvaKf6zVL95UH/oASGGZ6CfrpgoUs8TsD2WQKfSSTRO4W6EU72QqyGcV5LvYLnEH6LM0RjsQMlDseD4sUXBfDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T12:51:04.340281Z","bundle_sha256":"53590f112f4804dbbbf92cb1fcc1f2cdb10fdb9eb21994458061e5e42ac2cc51"}}