{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:JHKQBPGGIZY6FU5G52DIF35INQ","short_pith_number":"pith:JHKQBPGG","canonical_record":{"source":{"id":"1209.5646","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-09-25T15:34:44Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"5d7ddfb0c8dcc6be95759f6624b97d04b2193f14fad5e9a2a16828e5c4a11440","abstract_canon_sha256":"c9b6e824005a2431ae537ce4e82fb9e5b33da20533a43ae9c89b4907ceedeb59"},"schema_version":"1.0"},"canonical_sha256":"49d500bcc64671e2d3a6ee8682efa86c1b4bacda2a3e029cf6a0f3e487d960f3","source":{"kind":"arxiv","id":"1209.5646","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.5646","created_at":"2026-05-18T03:37:27Z"},{"alias_kind":"arxiv_version","alias_value":"1209.5646v2","created_at":"2026-05-18T03:37:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.5646","created_at":"2026-05-18T03:37:27Z"},{"alias_kind":"pith_short_12","alias_value":"JHKQBPGGIZY6","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"JHKQBPGGIZY6FU5G","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"JHKQBPGG","created_at":"2026-05-18T12:27:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:JHKQBPGGIZY6FU5G52DIF35INQ","target":"record","payload":{"canonical_record":{"source":{"id":"1209.5646","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-09-25T15:34:44Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"5d7ddfb0c8dcc6be95759f6624b97d04b2193f14fad5e9a2a16828e5c4a11440","abstract_canon_sha256":"c9b6e824005a2431ae537ce4e82fb9e5b33da20533a43ae9c89b4907ceedeb59"},"schema_version":"1.0"},"canonical_sha256":"49d500bcc64671e2d3a6ee8682efa86c1b4bacda2a3e029cf6a0f3e487d960f3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:37:27.547208Z","signature_b64":"FJVGSaO+Hd7JNrnaVAdQ59KWS8mion315qh0rf1ID6ic2k0GEC1LrLiW2noHkxqF+FYOfCcTUVt8Hl7fw6CqAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"49d500bcc64671e2d3a6ee8682efa86c1b4bacda2a3e029cf6a0f3e487d960f3","last_reissued_at":"2026-05-18T03:37:27.546453Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:37:27.546453Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1209.5646","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":"2026-05-18T03:37:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+fKjLTJcU3v3Lm2LwrRNsK6RBDaFjwDvxU5rKKw7QNAYS5n+7UDNs8tuF+v/D/vHnFqb5HYESY+wvdReO7mRDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T02:08:52.508588Z"},"content_sha256":"6d1994758b09f3a240eee937ab44a0b4655365efac41efceb7ea34dea61166d8","schema_version":"1.0","event_id":"sha256:6d1994758b09f3a240eee937ab44a0b4655365efac41efceb7ea34dea61166d8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:JHKQBPGGIZY6FU5G52DIF35INQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hydrodynamically enforced entropic trapping of Brownian particles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft"],"primary_cat":"cond-mat.stat-mech","authors_text":"A. V. Straube, G. Schmid, L. Schimansky-Geier, P. H\\\"anggi, S. Martens","submitted_at":"2012-09-25T15:34:44Z","abstract_excerpt":"We study the transport of Brownian particles through a corrugated channel caused by a force field containing curl-free (scalar potential) and divergence-free (vector potential) parts. We develop a generalized Fick-Jacobs approach leading to an effective one-dimensional description involving the potential of mean force. As an application, the interplay of a pressure-driven flow and an oppositely oriented constant bias is considered. We show that for certain parameters, the particle diffusion is significantly suppressed via the property of hyrodynamically enforced entropic particle trapping."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.5646","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":"2026-05-18T03:37:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dsLE+tsJKY70RmOtaxz2Lta13buVaVGfNJzEWCnAn/VHYycs0Zg5Cvy0nfCI1rH9z0NmU7kPYCJTcOnZyjjoBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T02:08:52.509268Z"},"content_sha256":"de66174b3e02636bedf90492f230e547fc5b4dc7226eb8269adeaa3171861aa0","schema_version":"1.0","event_id":"sha256:de66174b3e02636bedf90492f230e547fc5b4dc7226eb8269adeaa3171861aa0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JHKQBPGGIZY6FU5G52DIF35INQ/bundle.json","state_url":"https://pith.science/pith/JHKQBPGGIZY6FU5G52DIF35INQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JHKQBPGGIZY6FU5G52DIF35INQ/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":"2026-06-11T02:08:52Z","links":{"resolver":"https://pith.science/pith/JHKQBPGGIZY6FU5G52DIF35INQ","bundle":"https://pith.science/pith/JHKQBPGGIZY6FU5G52DIF35INQ/bundle.json","state":"https://pith.science/pith/JHKQBPGGIZY6FU5G52DIF35INQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JHKQBPGGIZY6FU5G52DIF35INQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:JHKQBPGGIZY6FU5G52DIF35INQ","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":"c9b6e824005a2431ae537ce4e82fb9e5b33da20533a43ae9c89b4907ceedeb59","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-09-25T15:34:44Z","title_canon_sha256":"5d7ddfb0c8dcc6be95759f6624b97d04b2193f14fad5e9a2a16828e5c4a11440"},"schema_version":"1.0","source":{"id":"1209.5646","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.5646","created_at":"2026-05-18T03:37:27Z"},{"alias_kind":"arxiv_version","alias_value":"1209.5646v2","created_at":"2026-05-18T03:37:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.5646","created_at":"2026-05-18T03:37:27Z"},{"alias_kind":"pith_short_12","alias_value":"JHKQBPGGIZY6","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"JHKQBPGGIZY6FU5G","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"JHKQBPGG","created_at":"2026-05-18T12:27:11Z"}],"graph_snapshots":[{"event_id":"sha256:de66174b3e02636bedf90492f230e547fc5b4dc7226eb8269adeaa3171861aa0","target":"graph","created_at":"2026-05-18T03:37:27Z","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 study the transport of Brownian particles through a corrugated channel caused by a force field containing curl-free (scalar potential) and divergence-free (vector potential) parts. We develop a generalized Fick-Jacobs approach leading to an effective one-dimensional description involving the potential of mean force. As an application, the interplay of a pressure-driven flow and an oppositely oriented constant bias is considered. We show that for certain parameters, the particle diffusion is significantly suppressed via the property of hyrodynamically enforced entropic particle trapping.","authors_text":"A. V. Straube, G. Schmid, L. Schimansky-Geier, P. H\\\"anggi, S. Martens","cross_cats":["cond-mat.soft"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-09-25T15:34:44Z","title":"Hydrodynamically enforced entropic trapping of Brownian particles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.5646","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":"sha256:6d1994758b09f3a240eee937ab44a0b4655365efac41efceb7ea34dea61166d8","target":"record","created_at":"2026-05-18T03:37:27Z","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":"c9b6e824005a2431ae537ce4e82fb9e5b33da20533a43ae9c89b4907ceedeb59","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-09-25T15:34:44Z","title_canon_sha256":"5d7ddfb0c8dcc6be95759f6624b97d04b2193f14fad5e9a2a16828e5c4a11440"},"schema_version":"1.0","source":{"id":"1209.5646","kind":"arxiv","version":2}},"canonical_sha256":"49d500bcc64671e2d3a6ee8682efa86c1b4bacda2a3e029cf6a0f3e487d960f3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"49d500bcc64671e2d3a6ee8682efa86c1b4bacda2a3e029cf6a0f3e487d960f3","first_computed_at":"2026-05-18T03:37:27.546453Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:37:27.546453Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FJVGSaO+Hd7JNrnaVAdQ59KWS8mion315qh0rf1ID6ic2k0GEC1LrLiW2noHkxqF+FYOfCcTUVt8Hl7fw6CqAg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:37:27.547208Z","signed_message":"canonical_sha256_bytes"},"source_id":"1209.5646","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6d1994758b09f3a240eee937ab44a0b4655365efac41efceb7ea34dea61166d8","sha256:de66174b3e02636bedf90492f230e547fc5b4dc7226eb8269adeaa3171861aa0"],"state_sha256":"0011d5fc627f10fd65e7ba5d9a5bf9c272e02ed5632575fd7d16bf5c2b1f9647"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m+L+fHL2D18DqFwvAclH71phkKrcH5MNIHkjVRfdPljvQNpbCpZAyEojUu7hYfvY2Af6Ms54fHIIfsEkOJxFDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T02:08:52.512741Z","bundle_sha256":"127477fb382125e951fbff5543b79c73bac3963b99b7af8a198f1ecd02a50124"}}