{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:4IV3BCKIH7HTFTHIMDQTG25TAX","short_pith_number":"pith:4IV3BCKI","schema_version":"1.0","canonical_sha256":"e22bb089483fcf32cce860e1336bb305e5da5cd26c0c666e81a9fe6969c69e90","source":{"kind":"arxiv","id":"1808.08220","version":1},"attestation_state":"computed","paper":{"title":"Effect of edge disturbance on shear banding in polymeric solutions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Kevin D. Dorfman, Seunghwan Shin, Xiang Cheng","submitted_at":"2018-08-24T17:37:41Z","abstract_excerpt":"Edge instabilities are believed to be one of the possible causes of shear banding in entangled polymeric fluids. Here, we investigate the effect of edge disturbance on the shear-induced dynamics of well-entangled DNA solutions. Using a custom high-aspect-ratio planar-Couette cell, we systematically measure the velocity profiles of sheared DNA samples at different distances away from the edge of the shear cell. Under a weak oscillatory shear with the corresponding Weissenberg number (Wi) smaller than 1, where DNA solutions exhibit linear velocity profiles with strong wall slip, the penetration "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1808.08220","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-08-24T17:37:41Z","cross_cats_sorted":[],"title_canon_sha256":"03ea2698b2ec2978c9e5de15314652085375083c146a42dd9aec80ba09055543","abstract_canon_sha256":"ebede18d462e1d2588e705828e94f1adc6909e99e62e65cd30a2ec438e5d9249"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:03:01.846259Z","signature_b64":"cWAFZ8fF3EbKp+vBZRkhqTWRJOczHDghFQV8MOejCvYKDI1QeKtCwSOkd1r2eeVKXRZiHc7n7RkhWHb+1e10Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e22bb089483fcf32cce860e1336bb305e5da5cd26c0c666e81a9fe6969c69e90","last_reissued_at":"2026-05-18T00:03:01.845757Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:03:01.845757Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Effect of edge disturbance on shear banding in polymeric solutions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Kevin D. Dorfman, Seunghwan Shin, Xiang Cheng","submitted_at":"2018-08-24T17:37:41Z","abstract_excerpt":"Edge instabilities are believed to be one of the possible causes of shear banding in entangled polymeric fluids. Here, we investigate the effect of edge disturbance on the shear-induced dynamics of well-entangled DNA solutions. Using a custom high-aspect-ratio planar-Couette cell, we systematically measure the velocity profiles of sheared DNA samples at different distances away from the edge of the shear cell. Under a weak oscillatory shear with the corresponding Weissenberg number (Wi) smaller than 1, where DNA solutions exhibit linear velocity profiles with strong wall slip, the penetration "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.08220","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1808.08220","created_at":"2026-05-18T00:03:01.845858+00:00"},{"alias_kind":"arxiv_version","alias_value":"1808.08220v1","created_at":"2026-05-18T00:03:01.845858+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.08220","created_at":"2026-05-18T00:03:01.845858+00:00"},{"alias_kind":"pith_short_12","alias_value":"4IV3BCKIH7HT","created_at":"2026-05-18T12:32:05.422762+00:00"},{"alias_kind":"pith_short_16","alias_value":"4IV3BCKIH7HTFTHI","created_at":"2026-05-18T12:32:05.422762+00:00"},{"alias_kind":"pith_short_8","alias_value":"4IV3BCKI","created_at":"2026-05-18T12:32:05.422762+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/4IV3BCKIH7HTFTHIMDQTG25TAX","json":"https://pith.science/pith/4IV3BCKIH7HTFTHIMDQTG25TAX.json","graph_json":"https://pith.science/api/pith-number/4IV3BCKIH7HTFTHIMDQTG25TAX/graph.json","events_json":"https://pith.science/api/pith-number/4IV3BCKIH7HTFTHIMDQTG25TAX/events.json","paper":"https://pith.science/paper/4IV3BCKI"},"agent_actions":{"view_html":"https://pith.science/pith/4IV3BCKIH7HTFTHIMDQTG25TAX","download_json":"https://pith.science/pith/4IV3BCKIH7HTFTHIMDQTG25TAX.json","view_paper":"https://pith.science/paper/4IV3BCKI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1808.08220&json=true","fetch_graph":"https://pith.science/api/pith-number/4IV3BCKIH7HTFTHIMDQTG25TAX/graph.json","fetch_events":"https://pith.science/api/pith-number/4IV3BCKIH7HTFTHIMDQTG25TAX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4IV3BCKIH7HTFTHIMDQTG25TAX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4IV3BCKIH7HTFTHIMDQTG25TAX/action/storage_attestation","attest_author":"https://pith.science/pith/4IV3BCKIH7HTFTHIMDQTG25TAX/action/author_attestation","sign_citation":"https://pith.science/pith/4IV3BCKIH7HTFTHIMDQTG25TAX/action/citation_signature","submit_replication":"https://pith.science/pith/4IV3BCKIH7HTFTHIMDQTG25TAX/action/replication_record"}},"created_at":"2026-05-18T00:03:01.845858+00:00","updated_at":"2026-05-18T00:03:01.845858+00:00"}