{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:B4OX7BE3HIAECYZO4OKB5XOESE","short_pith_number":"pith:B4OX7BE3","schema_version":"1.0","canonical_sha256":"0f1d7f849b3a0041632ee3941eddc49131baa5dfea6623a3959e92aa03dea3cd","source":{"kind":"arxiv","id":"2606.19072","version":1},"attestation_state":"computed","paper":{"title":"Enucleated incompressible red blood cells in shear flow: theoretical analysis of shape instabilities","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.flu-dyn"],"primary_cat":"cond-mat.soft","authors_text":"Avraham Moriel, Howard A. Stone, Simon Mendez","submitted_at":"2026-06-17T13:44:08Z","abstract_excerpt":"Red blood cells (RBCs) are essential for oxygen transport, and their remarkable ability to undergo significant deformations during flow is a crucial feature for their physiological function. At intermediate shear rates typical of the microcirculation, RBCs can adopt complex, multi-lobed shapes, signifying a dynamic instability. Here we adopt a perturbative theoretical framework of a quasi-spherical RBC under external shear flow to study such shape instabilities. To better capture RBC maturation and enucleation, we first extend the framework to explicitly account for different excess areas betw"},"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":"2606.19072","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2026-06-17T13:44:08Z","cross_cats_sorted":["physics.flu-dyn"],"title_canon_sha256":"b9df90ad96a6f7bcd4ad378c9443a86e3b6168946e879e273c4ae62585e817dc","abstract_canon_sha256":"74ce3cb3bef7f589f53b7b0a617453887699fb16cb703b20083f3d71463772ec"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-19T16:11:55.915957Z","signature_b64":"MvBDc/Ciq53Hq1VNUQHMjAlEx5P5y/WPD7WpbmFUR0XxBkdUpzVlczTygaHFCsIMRNaCv2B9S0CB1CJRldg7Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0f1d7f849b3a0041632ee3941eddc49131baa5dfea6623a3959e92aa03dea3cd","last_reissued_at":"2026-06-19T16:11:55.915531Z","signature_status":"signed_v1","first_computed_at":"2026-06-19T16:11:55.915531Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Enucleated incompressible red blood cells in shear flow: theoretical analysis of shape instabilities","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.flu-dyn"],"primary_cat":"cond-mat.soft","authors_text":"Avraham Moriel, Howard A. Stone, Simon Mendez","submitted_at":"2026-06-17T13:44:08Z","abstract_excerpt":"Red blood cells (RBCs) are essential for oxygen transport, and their remarkable ability to undergo significant deformations during flow is a crucial feature for their physiological function. At intermediate shear rates typical of the microcirculation, RBCs can adopt complex, multi-lobed shapes, signifying a dynamic instability. Here we adopt a perturbative theoretical framework of a quasi-spherical RBC under external shear flow to study such shape instabilities. To better capture RBC maturation and enucleation, we first extend the framework to explicitly account for different excess areas betw"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.19072","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2606.19072/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":"2606.19072","created_at":"2026-06-19T16:11:55.915587+00:00"},{"alias_kind":"arxiv_version","alias_value":"2606.19072v1","created_at":"2026-06-19T16:11:55.915587+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.19072","created_at":"2026-06-19T16:11:55.915587+00:00"},{"alias_kind":"pith_short_12","alias_value":"B4OX7BE3HIAE","created_at":"2026-06-19T16:11:55.915587+00:00"},{"alias_kind":"pith_short_16","alias_value":"B4OX7BE3HIAECYZO","created_at":"2026-06-19T16:11:55.915587+00:00"},{"alias_kind":"pith_short_8","alias_value":"B4OX7BE3","created_at":"2026-06-19T16:11:55.915587+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/B4OX7BE3HIAECYZO4OKB5XOESE","json":"https://pith.science/pith/B4OX7BE3HIAECYZO4OKB5XOESE.json","graph_json":"https://pith.science/api/pith-number/B4OX7BE3HIAECYZO4OKB5XOESE/graph.json","events_json":"https://pith.science/api/pith-number/B4OX7BE3HIAECYZO4OKB5XOESE/events.json","paper":"https://pith.science/paper/B4OX7BE3"},"agent_actions":{"view_html":"https://pith.science/pith/B4OX7BE3HIAECYZO4OKB5XOESE","download_json":"https://pith.science/pith/B4OX7BE3HIAECYZO4OKB5XOESE.json","view_paper":"https://pith.science/paper/B4OX7BE3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2606.19072&json=true","fetch_graph":"https://pith.science/api/pith-number/B4OX7BE3HIAECYZO4OKB5XOESE/graph.json","fetch_events":"https://pith.science/api/pith-number/B4OX7BE3HIAECYZO4OKB5XOESE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/B4OX7BE3HIAECYZO4OKB5XOESE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/B4OX7BE3HIAECYZO4OKB5XOESE/action/storage_attestation","attest_author":"https://pith.science/pith/B4OX7BE3HIAECYZO4OKB5XOESE/action/author_attestation","sign_citation":"https://pith.science/pith/B4OX7BE3HIAECYZO4OKB5XOESE/action/citation_signature","submit_replication":"https://pith.science/pith/B4OX7BE3HIAECYZO4OKB5XOESE/action/replication_record"}},"created_at":"2026-06-19T16:11:55.915587+00:00","updated_at":"2026-06-19T16:11:55.915587+00:00"}