{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:FQPBAZS2XHEKEWONDZCII4G777","short_pith_number":"pith:FQPBAZS2","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"},"canonical_sha256":"2c1e10665ab9c8a259cd1e448470dfffde298dd0db7754596bbb681945b5719e","source":{"kind":"arxiv","id":"2605.21826","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.21826","created_at":"2026-05-22T01:04:09Z"},{"alias_kind":"arxiv_version","alias_value":"2605.21826v1","created_at":"2026-05-22T01:04:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.21826","created_at":"2026-05-22T01:04:09Z"},{"alias_kind":"pith_short_12","alias_value":"FQPBAZS2XHEK","created_at":"2026-05-22T01:04:09Z"},{"alias_kind":"pith_short_16","alias_value":"FQPBAZS2XHEKEWON","created_at":"2026-05-22T01:04:09Z"},{"alias_kind":"pith_short_8","alias_value":"FQPBAZS2","created_at":"2026-05-22T01:04:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:FQPBAZS2XHEKEWONDZCII4G777","target":"record","payload":{"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"},"canonical_sha256":"2c1e10665ab9c8a259cd1e448470dfffde298dd0db7754596bbb681945b5719e","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"},"source_kind":"arxiv","source_id":"2605.21826","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-22T01:04:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"An/GXJhb3e11nh9BmVjaukZwjVS0yvI1D4STAydkQPvWtfbG1ffvluJOmZiOcnqHMEnAuWHjQTDCFcBa8+O3Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T06:22:22.903936Z"},"content_sha256":"b939336434c59b50482b0198ade6654940c2eaefb729da09a50056f8e4c24ea7","schema_version":"1.0","event_id":"sha256:b939336434c59b50482b0198ade6654940c2eaefb729da09a50056f8e4c24ea7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:FQPBAZS2XHEKEWONDZCII4G777","target":"graph","payload":{"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-22T01:04:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"llfYuI72y2Pd9k7DLEg4R25eZhKSQXYXDV+GC5Tdhc4Is7sFUo3Lcz2AcRvYABK9TkTfDqCC3/IrasLWmoQ9DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T06:22:22.904322Z"},"content_sha256":"d692b91b143ef5cae55542720720e0fe8e90e9416427543f66b2492e73daf8d1","schema_version":"1.0","event_id":"sha256:d692b91b143ef5cae55542720720e0fe8e90e9416427543f66b2492e73daf8d1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FQPBAZS2XHEKEWONDZCII4G777/bundle.json","state_url":"https://pith.science/pith/FQPBAZS2XHEKEWONDZCII4G777/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FQPBAZS2XHEKEWONDZCII4G777/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-01T06:22:22Z","links":{"resolver":"https://pith.science/pith/FQPBAZS2XHEKEWONDZCII4G777","bundle":"https://pith.science/pith/FQPBAZS2XHEKEWONDZCII4G777/bundle.json","state":"https://pith.science/pith/FQPBAZS2XHEKEWONDZCII4G777/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FQPBAZS2XHEKEWONDZCII4G777/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:FQPBAZS2XHEKEWONDZCII4G777","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"c7b3cbc455851d7173fd7e1e9d6de94a957b5ca1914f4faa5eef9a215b90c4b1","cross_cats_sorted":["physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2026-05-20T23:49:35Z","title_canon_sha256":"c9c2bcdf3ae32a91c4a0ad078f2d9e3233dd94a79033d1da13e5a00165dd85e1"},"schema_version":"1.0","source":{"id":"2605.21826","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.21826","created_at":"2026-05-22T01:04:09Z"},{"alias_kind":"arxiv_version","alias_value":"2605.21826v1","created_at":"2026-05-22T01:04:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.21826","created_at":"2026-05-22T01:04:09Z"},{"alias_kind":"pith_short_12","alias_value":"FQPBAZS2XHEK","created_at":"2026-05-22T01:04:09Z"},{"alias_kind":"pith_short_16","alias_value":"FQPBAZS2XHEKEWON","created_at":"2026-05-22T01:04:09Z"},{"alias_kind":"pith_short_8","alias_value":"FQPBAZS2","created_at":"2026-05-22T01:04:09Z"}],"graph_snapshots":[{"event_id":"sha256:d692b91b143ef5cae55542720720e0fe8e90e9416427543f66b2492e73daf8d1","target":"graph","created_at":"2026-05-22T01:04:09Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2605.21826/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"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","authors_text":"Margarida M. Telo da Gama, Mykola Tasinkevych, Rodrigo C. V. Coelho","cross_cats":["physics.flu-dyn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2026-05-20T23:49:35Z","title":"A diffuse-interface theory of active nematic interfaces: transport mechanisms and modal structure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.21826","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:b939336434c59b50482b0198ade6654940c2eaefb729da09a50056f8e4c24ea7","target":"record","created_at":"2026-05-22T01:04:09Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"c7b3cbc455851d7173fd7e1e9d6de94a957b5ca1914f4faa5eef9a215b90c4b1","cross_cats_sorted":["physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2026-05-20T23:49:35Z","title_canon_sha256":"c9c2bcdf3ae32a91c4a0ad078f2d9e3233dd94a79033d1da13e5a00165dd85e1"},"schema_version":"1.0","source":{"id":"2605.21826","kind":"arxiv","version":1}},"canonical_sha256":"2c1e10665ab9c8a259cd1e448470dfffde298dd0db7754596bbb681945b5719e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2c1e10665ab9c8a259cd1e448470dfffde298dd0db7754596bbb681945b5719e","first_computed_at":"2026-05-22T01:04:09.698839Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-22T01:04:09.698839Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"s+98U4I9uuoeHIgsYl6/wBJYCWEE21S0JGI7TVrT2wG+DQ3mab6W5LEsswec6aDz3DE7PbTFDqqQO9oZp4LZBA==","signature_status":"signed_v1","signed_at":"2026-05-22T01:04:09.699752Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.21826","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b939336434c59b50482b0198ade6654940c2eaefb729da09a50056f8e4c24ea7","sha256:d692b91b143ef5cae55542720720e0fe8e90e9416427543f66b2492e73daf8d1"],"state_sha256":"054f062d9d1ae09a5e180bd367b87818daa4b5c36283df2bff4da959bb8971b4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6oADJxHHEgXPtisNI1Az0g0TfTMbEL79zlW4NSW6+/7iA/RPQF8H0s3NBDzZozQ6AYurEBv5ujs/P4+8VVmbBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T06:22:22.906401Z","bundle_sha256":"a0c9eb44124b22d87ecaa7dfb3b6b08786caff125839e305a739955dc7782c7c"}}