{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:NEHFPJ7G3X3U2NYNXHPCX4NH34","short_pith_number":"pith:NEHFPJ7G","schema_version":"1.0","canonical_sha256":"690e57a7e6ddf74d370db9de2bf1a7df21fb4dd6b91bb7fde70e6429cbffcc76","source":{"kind":"arxiv","id":"1802.00475","version":1},"attestation_state":"computed","paper":{"title":"Thermocapillary-driven fluid flow within microchannels","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Ahmet Fatih Tabak, Guillermo J Amador, Metin Sitti, Oncay Yasa, Yunus Alapan, Ziyu Ren","submitted_at":"2018-02-01T20:16:06Z","abstract_excerpt":"Surface tension gradients induce Marangoni flow, which may be exploited for fluid transport. At the micrometer scale, these surface-driven flows can be more significant than those driven by pressure. By introducing fluid-fluid interfaces on the walls of microfluidic channels, we use surface tension gradients to drive bulk fluid flows. The gradients are specifically induced through thermal energy, exploiting the temperature dependence of a fluid-fluid interface to generate thermocapillary flow. In this report, we provide the design concept for a biocompatible, thermocapillary microchannel capab"},"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":"1802.00475","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2018-02-01T20:16:06Z","cross_cats_sorted":[],"title_canon_sha256":"aeda73557ae05807f1f5c28f5bd7c1f8020ff92ff128d8e3901716ec804bad64","abstract_canon_sha256":"63ad953bd13b8b63b9282e845ef0a7ad2ee849607ba7e8b54590f2b505960494"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:24:33.087855Z","signature_b64":"qrWyZgKjimvGU7gKc9SDO/8kTfnEXPyyY9T88+TukxCqo2iuRZGcggIQDXjGVRn8xLi7O24ASc+2LFJQL8myAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"690e57a7e6ddf74d370db9de2bf1a7df21fb4dd6b91bb7fde70e6429cbffcc76","last_reissued_at":"2026-05-18T00:24:33.087362Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:24:33.087362Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Thermocapillary-driven fluid flow within microchannels","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Ahmet Fatih Tabak, Guillermo J Amador, Metin Sitti, Oncay Yasa, Yunus Alapan, Ziyu Ren","submitted_at":"2018-02-01T20:16:06Z","abstract_excerpt":"Surface tension gradients induce Marangoni flow, which may be exploited for fluid transport. At the micrometer scale, these surface-driven flows can be more significant than those driven by pressure. By introducing fluid-fluid interfaces on the walls of microfluidic channels, we use surface tension gradients to drive bulk fluid flows. The gradients are specifically induced through thermal energy, exploiting the temperature dependence of a fluid-fluid interface to generate thermocapillary flow. In this report, we provide the design concept for a biocompatible, thermocapillary microchannel capab"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.00475","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":"1802.00475","created_at":"2026-05-18T00:24:33.087434+00:00"},{"alias_kind":"arxiv_version","alias_value":"1802.00475v1","created_at":"2026-05-18T00:24:33.087434+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.00475","created_at":"2026-05-18T00:24:33.087434+00:00"},{"alias_kind":"pith_short_12","alias_value":"NEHFPJ7G3X3U","created_at":"2026-05-18T12:32:40.477152+00:00"},{"alias_kind":"pith_short_16","alias_value":"NEHFPJ7G3X3U2NYN","created_at":"2026-05-18T12:32:40.477152+00:00"},{"alias_kind":"pith_short_8","alias_value":"NEHFPJ7G","created_at":"2026-05-18T12:32:40.477152+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/NEHFPJ7G3X3U2NYNXHPCX4NH34","json":"https://pith.science/pith/NEHFPJ7G3X3U2NYNXHPCX4NH34.json","graph_json":"https://pith.science/api/pith-number/NEHFPJ7G3X3U2NYNXHPCX4NH34/graph.json","events_json":"https://pith.science/api/pith-number/NEHFPJ7G3X3U2NYNXHPCX4NH34/events.json","paper":"https://pith.science/paper/NEHFPJ7G"},"agent_actions":{"view_html":"https://pith.science/pith/NEHFPJ7G3X3U2NYNXHPCX4NH34","download_json":"https://pith.science/pith/NEHFPJ7G3X3U2NYNXHPCX4NH34.json","view_paper":"https://pith.science/paper/NEHFPJ7G","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1802.00475&json=true","fetch_graph":"https://pith.science/api/pith-number/NEHFPJ7G3X3U2NYNXHPCX4NH34/graph.json","fetch_events":"https://pith.science/api/pith-number/NEHFPJ7G3X3U2NYNXHPCX4NH34/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NEHFPJ7G3X3U2NYNXHPCX4NH34/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NEHFPJ7G3X3U2NYNXHPCX4NH34/action/storage_attestation","attest_author":"https://pith.science/pith/NEHFPJ7G3X3U2NYNXHPCX4NH34/action/author_attestation","sign_citation":"https://pith.science/pith/NEHFPJ7G3X3U2NYNXHPCX4NH34/action/citation_signature","submit_replication":"https://pith.science/pith/NEHFPJ7G3X3U2NYNXHPCX4NH34/action/replication_record"}},"created_at":"2026-05-18T00:24:33.087434+00:00","updated_at":"2026-05-18T00:24:33.087434+00:00"}