{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:OCBNYBCPN47IIWDZNRYT5JS7UD","short_pith_number":"pith:OCBNYBCP","schema_version":"1.0","canonical_sha256":"7082dc044f6f3e8458796c713ea65fa0fce63a730aa234c843334647691bebc4","source":{"kind":"arxiv","id":"2311.17635","version":2},"attestation_state":"computed","paper":{"title":"Dynamics of rigid fibers interacting with triangular obstacles in microchannel flows","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.soft"],"primary_cat":"physics.flu-dyn","authors_text":"Anke Lindner, Blaise Delmotte, Cl\\'ement Bielinski, Olivia du Roure, Zhibo Li","submitted_at":"2023-11-29T13:51:55Z","abstract_excerpt":"Fiber suspensions flowing in structured media are encountered in many biological and industrial systems. Interactions between fibers and the transporting flow as well as fiber contact with obstacles can lead to complex dynamics. In this work, we combine microfluidic experiments and numerical simulations to study the interactions of a rigid fiber with an individual equilateral triangular pillar in a microfluidic channel. Four dominant fiber dynamics are identified: transport above or below the obstacle, pole vaulting and trapping, in excellent agreement between experiments and modeling. The dyn"},"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":"2311.17635","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2023-11-29T13:51:55Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"1ae94b6e9d5e971dc9ce89b17a7505d71ea675ba3567de0993de0b20b7622236","abstract_canon_sha256":"43e823e862d18c20912d626f97a7eb86234bfa7fb406b3abb95369fce1417a75"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:52:14.367137Z","signature_b64":"Twcoz9arT6hXsUsFCj8zpXppLFMRuce0S6IMTjprJ4rImxoEPhEjF9AZXXKUgXeUk0QKWCqFH7SMgYmhZwuSDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7082dc044f6f3e8458796c713ea65fa0fce63a730aa234c843334647691bebc4","last_reissued_at":"2026-07-05T07:52:14.366657Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:52:14.366657Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Dynamics of rigid fibers interacting with triangular obstacles in microchannel flows","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.soft"],"primary_cat":"physics.flu-dyn","authors_text":"Anke Lindner, Blaise Delmotte, Cl\\'ement Bielinski, Olivia du Roure, Zhibo Li","submitted_at":"2023-11-29T13:51:55Z","abstract_excerpt":"Fiber suspensions flowing in structured media are encountered in many biological and industrial systems. Interactions between fibers and the transporting flow as well as fiber contact with obstacles can lead to complex dynamics. In this work, we combine microfluidic experiments and numerical simulations to study the interactions of a rigid fiber with an individual equilateral triangular pillar in a microfluidic channel. Four dominant fiber dynamics are identified: transport above or below the obstacle, pole vaulting and trapping, in excellent agreement between experiments and modeling. The dyn"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.17635","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2311.17635/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2311.17635","created_at":"2026-07-05T07:52:14.366717+00:00"},{"alias_kind":"arxiv_version","alias_value":"2311.17635v2","created_at":"2026-07-05T07:52:14.366717+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.17635","created_at":"2026-07-05T07:52:14.366717+00:00"},{"alias_kind":"pith_short_12","alias_value":"OCBNYBCPN47I","created_at":"2026-07-05T07:52:14.366717+00:00"},{"alias_kind":"pith_short_16","alias_value":"OCBNYBCPN47IIWDZ","created_at":"2026-07-05T07:52:14.366717+00:00"},{"alias_kind":"pith_short_8","alias_value":"OCBNYBCP","created_at":"2026-07-05T07:52:14.366717+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/OCBNYBCPN47IIWDZNRYT5JS7UD","json":"https://pith.science/pith/OCBNYBCPN47IIWDZNRYT5JS7UD.json","graph_json":"https://pith.science/api/pith-number/OCBNYBCPN47IIWDZNRYT5JS7UD/graph.json","events_json":"https://pith.science/api/pith-number/OCBNYBCPN47IIWDZNRYT5JS7UD/events.json","paper":"https://pith.science/paper/OCBNYBCP"},"agent_actions":{"view_html":"https://pith.science/pith/OCBNYBCPN47IIWDZNRYT5JS7UD","download_json":"https://pith.science/pith/OCBNYBCPN47IIWDZNRYT5JS7UD.json","view_paper":"https://pith.science/paper/OCBNYBCP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2311.17635&json=true","fetch_graph":"https://pith.science/api/pith-number/OCBNYBCPN47IIWDZNRYT5JS7UD/graph.json","fetch_events":"https://pith.science/api/pith-number/OCBNYBCPN47IIWDZNRYT5JS7UD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OCBNYBCPN47IIWDZNRYT5JS7UD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OCBNYBCPN47IIWDZNRYT5JS7UD/action/storage_attestation","attest_author":"https://pith.science/pith/OCBNYBCPN47IIWDZNRYT5JS7UD/action/author_attestation","sign_citation":"https://pith.science/pith/OCBNYBCPN47IIWDZNRYT5JS7UD/action/citation_signature","submit_replication":"https://pith.science/pith/OCBNYBCPN47IIWDZNRYT5JS7UD/action/replication_record"}},"created_at":"2026-07-05T07:52:14.366717+00:00","updated_at":"2026-07-05T07:52:14.366717+00:00"}