{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:IHS5SVLTPDUO2QSCGT4NRK5N4F","short_pith_number":"pith:IHS5SVLT","schema_version":"1.0","canonical_sha256":"41e5d9557378e8ed424234f8d8abade16cfe1aa006b6b5ab7fe41942426b0203","source":{"kind":"arxiv","id":"0811.3281","version":1},"attestation_state":"computed","paper":{"title":"Deformable self-propelled particles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"cond-mat.soft","authors_text":"Takahiro Ohkuma, Takao Ohta","submitted_at":"2008-11-20T09:24:26Z","abstract_excerpt":"A theory of self-propelled particles is developed in two dimensions assuming that the particles can be deformed from a circular shape when the propagating velocity is increased. A coupled set of equations in terms of the velocity and a tensor variable to represent the deformation is introduced to show that there is a bifurcation from a straight motion to a circular motion of a single particle. Dynamics of assembly of the particles is studied numerically where there is a global interaction such that the particles tend to cause an orientational order."},"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":"0811.3281","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2008-11-20T09:24:26Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"c1c36ca7079cfb94b820b69b502b370fe827136fcddf9ae2975ac48ebd1fe838","abstract_canon_sha256":"494dc944214c77ea30b1785f76a3118bfa9ccffc9b853715a1b5c1371963a9da"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:13.842893Z","signature_b64":"nrvsa7YXTvSaBfxRxpxKJyXOuZMziENQ9ASaGLgm42vPlu+m/BiGCYZnPebYbinKHKA/MarWAct8kcmkRLA0Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"41e5d9557378e8ed424234f8d8abade16cfe1aa006b6b5ab7fe41942426b0203","last_reissued_at":"2026-05-18T02:15:13.842269Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:13.842269Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Deformable self-propelled particles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"cond-mat.soft","authors_text":"Takahiro Ohkuma, Takao Ohta","submitted_at":"2008-11-20T09:24:26Z","abstract_excerpt":"A theory of self-propelled particles is developed in two dimensions assuming that the particles can be deformed from a circular shape when the propagating velocity is increased. A coupled set of equations in terms of the velocity and a tensor variable to represent the deformation is introduced to show that there is a bifurcation from a straight motion to a circular motion of a single particle. Dynamics of assembly of the particles is studied numerically where there is a global interaction such that the particles tend to cause an orientational order."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.3281","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":"0811.3281","created_at":"2026-05-18T02:15:13.842380+00:00"},{"alias_kind":"arxiv_version","alias_value":"0811.3281v1","created_at":"2026-05-18T02:15:13.842380+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.3281","created_at":"2026-05-18T02:15:13.842380+00:00"},{"alias_kind":"pith_short_12","alias_value":"IHS5SVLTPDUO","created_at":"2026-05-18T12:25:57.157939+00:00"},{"alias_kind":"pith_short_16","alias_value":"IHS5SVLTPDUO2QSC","created_at":"2026-05-18T12:25:57.157939+00:00"},{"alias_kind":"pith_short_8","alias_value":"IHS5SVLT","created_at":"2026-05-18T12:25:57.157939+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/IHS5SVLTPDUO2QSCGT4NRK5N4F","json":"https://pith.science/pith/IHS5SVLTPDUO2QSCGT4NRK5N4F.json","graph_json":"https://pith.science/api/pith-number/IHS5SVLTPDUO2QSCGT4NRK5N4F/graph.json","events_json":"https://pith.science/api/pith-number/IHS5SVLTPDUO2QSCGT4NRK5N4F/events.json","paper":"https://pith.science/paper/IHS5SVLT"},"agent_actions":{"view_html":"https://pith.science/pith/IHS5SVLTPDUO2QSCGT4NRK5N4F","download_json":"https://pith.science/pith/IHS5SVLTPDUO2QSCGT4NRK5N4F.json","view_paper":"https://pith.science/paper/IHS5SVLT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0811.3281&json=true","fetch_graph":"https://pith.science/api/pith-number/IHS5SVLTPDUO2QSCGT4NRK5N4F/graph.json","fetch_events":"https://pith.science/api/pith-number/IHS5SVLTPDUO2QSCGT4NRK5N4F/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IHS5SVLTPDUO2QSCGT4NRK5N4F/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IHS5SVLTPDUO2QSCGT4NRK5N4F/action/storage_attestation","attest_author":"https://pith.science/pith/IHS5SVLTPDUO2QSCGT4NRK5N4F/action/author_attestation","sign_citation":"https://pith.science/pith/IHS5SVLTPDUO2QSCGT4NRK5N4F/action/citation_signature","submit_replication":"https://pith.science/pith/IHS5SVLTPDUO2QSCGT4NRK5N4F/action/replication_record"}},"created_at":"2026-05-18T02:15:13.842380+00:00","updated_at":"2026-05-18T02:15:13.842380+00:00"}