{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:B5TFBU2LQWJEWS6ISQJWN5Q4JO","short_pith_number":"pith:B5TFBU2L","schema_version":"1.0","canonical_sha256":"0f6650d34b85924b4bc8941366f61c4b8885955b95eedeb8d5b1d2636ee77109","source":{"kind":"arxiv","id":"1901.02263","version":1},"attestation_state":"computed","paper":{"title":"Nonlinear dynamics of a chemically-active drop: from steady to chaotic self-propulsion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Matvey Morozov, Sebastien Michelin","submitted_at":"2019-01-08T11:33:58Z","abstract_excerpt":"Individual chemically active drops suspended in a surfactant solution were observed to self-propel spontaneously with straight, helical, or chaotic trajectories. To elucidate how these drops can exhibit such strikingly different dynamics and `decide' what to do, we propose a minimal axisymmetric model of a spherical active drop, and show that simple and linear interface properties can lead to both steady self-propulsion of the droplet as well as chaotic behavior. The model includes two different mobility mechanisms, namely, diffusiophoresis and the Marangoni effect, that convert self-generated"},"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":"1901.02263","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2019-01-08T11:33:58Z","cross_cats_sorted":[],"title_canon_sha256":"d347d226d4f0c268b6b6d9dbae56b31e9d8d996da62ebb7fb7b48f40c9b1a827","abstract_canon_sha256":"ae2cabd503c963b2e57afe7d40f2e68133b84f82293ec8914cb7f322ef42e038"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:53:23.058154Z","signature_b64":"cXqabzwt0OLez4rlgWaHG57vzCfypUAt0qWvoeTnPJaTRg0oeGBkwubMwIX4PdbkWfUFyqkoqZ0kHaowsxiNDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0f6650d34b85924b4bc8941366f61c4b8885955b95eedeb8d5b1d2636ee77109","last_reissued_at":"2026-05-17T23:53:23.057504Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:53:23.057504Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Nonlinear dynamics of a chemically-active drop: from steady to chaotic self-propulsion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Matvey Morozov, Sebastien Michelin","submitted_at":"2019-01-08T11:33:58Z","abstract_excerpt":"Individual chemically active drops suspended in a surfactant solution were observed to self-propel spontaneously with straight, helical, or chaotic trajectories. To elucidate how these drops can exhibit such strikingly different dynamics and `decide' what to do, we propose a minimal axisymmetric model of a spherical active drop, and show that simple and linear interface properties can lead to both steady self-propulsion of the droplet as well as chaotic behavior. The model includes two different mobility mechanisms, namely, diffusiophoresis and the Marangoni effect, that convert self-generated"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.02263","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":"1901.02263","created_at":"2026-05-17T23:53:23.057597+00:00"},{"alias_kind":"arxiv_version","alias_value":"1901.02263v1","created_at":"2026-05-17T23:53:23.057597+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.02263","created_at":"2026-05-17T23:53:23.057597+00:00"},{"alias_kind":"pith_short_12","alias_value":"B5TFBU2LQWJE","created_at":"2026-05-18T12:33:12.712433+00:00"},{"alias_kind":"pith_short_16","alias_value":"B5TFBU2LQWJEWS6I","created_at":"2026-05-18T12:33:12.712433+00:00"},{"alias_kind":"pith_short_8","alias_value":"B5TFBU2L","created_at":"2026-05-18T12:33:12.712433+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/B5TFBU2LQWJEWS6ISQJWN5Q4JO","json":"https://pith.science/pith/B5TFBU2LQWJEWS6ISQJWN5Q4JO.json","graph_json":"https://pith.science/api/pith-number/B5TFBU2LQWJEWS6ISQJWN5Q4JO/graph.json","events_json":"https://pith.science/api/pith-number/B5TFBU2LQWJEWS6ISQJWN5Q4JO/events.json","paper":"https://pith.science/paper/B5TFBU2L"},"agent_actions":{"view_html":"https://pith.science/pith/B5TFBU2LQWJEWS6ISQJWN5Q4JO","download_json":"https://pith.science/pith/B5TFBU2LQWJEWS6ISQJWN5Q4JO.json","view_paper":"https://pith.science/paper/B5TFBU2L","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1901.02263&json=true","fetch_graph":"https://pith.science/api/pith-number/B5TFBU2LQWJEWS6ISQJWN5Q4JO/graph.json","fetch_events":"https://pith.science/api/pith-number/B5TFBU2LQWJEWS6ISQJWN5Q4JO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/B5TFBU2LQWJEWS6ISQJWN5Q4JO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/B5TFBU2LQWJEWS6ISQJWN5Q4JO/action/storage_attestation","attest_author":"https://pith.science/pith/B5TFBU2LQWJEWS6ISQJWN5Q4JO/action/author_attestation","sign_citation":"https://pith.science/pith/B5TFBU2LQWJEWS6ISQJWN5Q4JO/action/citation_signature","submit_replication":"https://pith.science/pith/B5TFBU2LQWJEWS6ISQJWN5Q4JO/action/replication_record"}},"created_at":"2026-05-17T23:53:23.057597+00:00","updated_at":"2026-05-17T23:53:23.057597+00:00"}