{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:FQPBAZS2XHEKEWONDZCII4G777","short_pith_number":"pith:FQPBAZS2","schema_version":"1.0","canonical_sha256":"2c1e10665ab9c8a259cd1e448470dfffde298dd0db7754596bbb681945b5719e","source":{"kind":"arxiv","id":"2605.21826","version":1},"attestation_state":"computed","paper":{"title":"A diffuse-interface theory of active nematic interfaces: transport mechanisms and modal structure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.flu-dyn"],"primary_cat":"cond-mat.soft","authors_text":"Margarida M. Telo da Gama, Mykola Tasinkevych, Rodrigo C. V. Coelho","submitted_at":"2026-05-20T23:49:35Z","abstract_excerpt":"We develop a long-wavelength theory for the linear stability of a flat interface between an active nematic and an isotropic fluid. Starting from a diffuse-interface Cahn--Hilliard--Landau--de Gennes description coupled to Brinkman-screened Stokes hydrodynamics, we project the linearized dynamics onto a small set of interfacial degrees of freedom: the conserved translation, or height, mode; a scalar profile distortion or amplitude mode; and a transverse orientational mode associated with director rotations. Eliminating the gapped scalar profile mode gives a reduced interfacial operator coupling"},"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":"2605.21826","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2026-05-20T23:49:35Z","cross_cats_sorted":["physics.flu-dyn"],"title_canon_sha256":"c9c2bcdf3ae32a91c4a0ad078f2d9e3233dd94a79033d1da13e5a00165dd85e1","abstract_canon_sha256":"c7b3cbc455851d7173fd7e1e9d6de94a957b5ca1914f4faa5eef9a215b90c4b1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-22T01:04:09.699752Z","signature_b64":"s+98U4I9uuoeHIgsYl6/wBJYCWEE21S0JGI7TVrT2wG+DQ3mab6W5LEsswec6aDz3DE7PbTFDqqQO9oZp4LZBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2c1e10665ab9c8a259cd1e448470dfffde298dd0db7754596bbb681945b5719e","last_reissued_at":"2026-05-22T01:04:09.698839Z","signature_status":"signed_v1","first_computed_at":"2026-05-22T01:04:09.698839Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A diffuse-interface theory of active nematic interfaces: transport mechanisms and modal structure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.flu-dyn"],"primary_cat":"cond-mat.soft","authors_text":"Margarida M. Telo da Gama, Mykola Tasinkevych, Rodrigo C. V. Coelho","submitted_at":"2026-05-20T23:49:35Z","abstract_excerpt":"We develop a long-wavelength theory for the linear stability of a flat interface between an active nematic and an isotropic fluid. Starting from a diffuse-interface Cahn--Hilliard--Landau--de Gennes description coupled to Brinkman-screened Stokes hydrodynamics, we project the linearized dynamics onto a small set of interfacial degrees of freedom: the conserved translation, or height, mode; a scalar profile distortion or amplitude mode; and a transverse orientational mode associated with director rotations. Eliminating the gapped scalar profile mode gives a reduced interfacial operator coupling"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.21826","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/2605.21826/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":"2605.21826","created_at":"2026-05-22T01:04:09.698981+00:00"},{"alias_kind":"arxiv_version","alias_value":"2605.21826v1","created_at":"2026-05-22T01:04:09.698981+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.21826","created_at":"2026-05-22T01:04:09.698981+00:00"},{"alias_kind":"pith_short_12","alias_value":"FQPBAZS2XHEK","created_at":"2026-05-22T01:04:09.698981+00:00"},{"alias_kind":"pith_short_16","alias_value":"FQPBAZS2XHEKEWON","created_at":"2026-05-22T01:04:09.698981+00:00"},{"alias_kind":"pith_short_8","alias_value":"FQPBAZS2","created_at":"2026-05-22T01:04:09.698981+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/FQPBAZS2XHEKEWONDZCII4G777","json":"https://pith.science/pith/FQPBAZS2XHEKEWONDZCII4G777.json","graph_json":"https://pith.science/api/pith-number/FQPBAZS2XHEKEWONDZCII4G777/graph.json","events_json":"https://pith.science/api/pith-number/FQPBAZS2XHEKEWONDZCII4G777/events.json","paper":"https://pith.science/paper/FQPBAZS2"},"agent_actions":{"view_html":"https://pith.science/pith/FQPBAZS2XHEKEWONDZCII4G777","download_json":"https://pith.science/pith/FQPBAZS2XHEKEWONDZCII4G777.json","view_paper":"https://pith.science/paper/FQPBAZS2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2605.21826&json=true","fetch_graph":"https://pith.science/api/pith-number/FQPBAZS2XHEKEWONDZCII4G777/graph.json","fetch_events":"https://pith.science/api/pith-number/FQPBAZS2XHEKEWONDZCII4G777/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FQPBAZS2XHEKEWONDZCII4G777/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FQPBAZS2XHEKEWONDZCII4G777/action/storage_attestation","attest_author":"https://pith.science/pith/FQPBAZS2XHEKEWONDZCII4G777/action/author_attestation","sign_citation":"https://pith.science/pith/FQPBAZS2XHEKEWONDZCII4G777/action/citation_signature","submit_replication":"https://pith.science/pith/FQPBAZS2XHEKEWONDZCII4G777/action/replication_record"}},"created_at":"2026-05-22T01:04:09.698981+00:00","updated_at":"2026-05-22T01:04:09.698981+00:00"}