{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:IXKVQSE24GIPPEJ4K3WZB4PWRM","short_pith_number":"pith:IXKVQSE2","schema_version":"1.0","canonical_sha256":"45d558489ae190f7913c56ed90f1f68b34c86034b00bfedce0415f29f2542825","source":{"kind":"arxiv","id":"1406.6921","version":2},"attestation_state":"computed","paper":{"title":"Tricritical points in a Vicsek model of self-propelled particles with bounded confidence","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.bio-ph"],"primary_cat":"cond-mat.stat-mech","authors_text":"Maksym Romenskyy, Thomas Ihle, Vladimir Lobaskin","submitted_at":"2014-06-26T15:30:55Z","abstract_excerpt":"We study the orientational ordering in systems of self-propelled particles with selective interactions. To introduce the selectivity we augment the standard Vicsek model with a bounded-confidence collision rule: a given particle only aligns to neighbors who have directions quite similar to its own. Neighbors whose directions deviate more than a fixed restriction angle $\\alpha$ are ignored. The collective dynamics of this systems is studied by agent-based simulations and kinetic mean field theory. We demonstrate that the reduction of the restriction angle leads to a critical noise amplitude dec"},"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":"1406.6921","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2014-06-26T15:30:55Z","cross_cats_sorted":["physics.bio-ph"],"title_canon_sha256":"4bb865ab22e91a8aa917bb8fef72931dfb972853dc37e374f1e142af976b0a31","abstract_canon_sha256":"0c7cf717c20f19024b37d09b7b53b6b0ef705bd13796edde2209c6276282cb98"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:32:38.617935Z","signature_b64":"N/pZFwM08nvrkipQfc4tDjENlFavdtiyeVcX7NCwMQqvqU/LSiTu6M0VMtRItCj9o/R8/g3UxYOOslUhOV8MAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"45d558489ae190f7913c56ed90f1f68b34c86034b00bfedce0415f29f2542825","last_reissued_at":"2026-05-18T02:32:38.617504Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:32:38.617504Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Tricritical points in a Vicsek model of self-propelled particles with bounded confidence","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.bio-ph"],"primary_cat":"cond-mat.stat-mech","authors_text":"Maksym Romenskyy, Thomas Ihle, Vladimir Lobaskin","submitted_at":"2014-06-26T15:30:55Z","abstract_excerpt":"We study the orientational ordering in systems of self-propelled particles with selective interactions. To introduce the selectivity we augment the standard Vicsek model with a bounded-confidence collision rule: a given particle only aligns to neighbors who have directions quite similar to its own. Neighbors whose directions deviate more than a fixed restriction angle $\\alpha$ are ignored. The collective dynamics of this systems is studied by agent-based simulations and kinetic mean field theory. We demonstrate that the reduction of the restriction angle leads to a critical noise amplitude dec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.6921","kind":"arxiv","version":2},"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":"1406.6921","created_at":"2026-05-18T02:32:38.617576+00:00"},{"alias_kind":"arxiv_version","alias_value":"1406.6921v2","created_at":"2026-05-18T02:32:38.617576+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.6921","created_at":"2026-05-18T02:32:38.617576+00:00"},{"alias_kind":"pith_short_12","alias_value":"IXKVQSE24GIP","created_at":"2026-05-18T12:28:33.132498+00:00"},{"alias_kind":"pith_short_16","alias_value":"IXKVQSE24GIPPEJ4","created_at":"2026-05-18T12:28:33.132498+00:00"},{"alias_kind":"pith_short_8","alias_value":"IXKVQSE2","created_at":"2026-05-18T12:28:33.132498+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/IXKVQSE24GIPPEJ4K3WZB4PWRM","json":"https://pith.science/pith/IXKVQSE24GIPPEJ4K3WZB4PWRM.json","graph_json":"https://pith.science/api/pith-number/IXKVQSE24GIPPEJ4K3WZB4PWRM/graph.json","events_json":"https://pith.science/api/pith-number/IXKVQSE24GIPPEJ4K3WZB4PWRM/events.json","paper":"https://pith.science/paper/IXKVQSE2"},"agent_actions":{"view_html":"https://pith.science/pith/IXKVQSE24GIPPEJ4K3WZB4PWRM","download_json":"https://pith.science/pith/IXKVQSE24GIPPEJ4K3WZB4PWRM.json","view_paper":"https://pith.science/paper/IXKVQSE2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1406.6921&json=true","fetch_graph":"https://pith.science/api/pith-number/IXKVQSE24GIPPEJ4K3WZB4PWRM/graph.json","fetch_events":"https://pith.science/api/pith-number/IXKVQSE24GIPPEJ4K3WZB4PWRM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IXKVQSE24GIPPEJ4K3WZB4PWRM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IXKVQSE24GIPPEJ4K3WZB4PWRM/action/storage_attestation","attest_author":"https://pith.science/pith/IXKVQSE24GIPPEJ4K3WZB4PWRM/action/author_attestation","sign_citation":"https://pith.science/pith/IXKVQSE24GIPPEJ4K3WZB4PWRM/action/citation_signature","submit_replication":"https://pith.science/pith/IXKVQSE24GIPPEJ4K3WZB4PWRM/action/replication_record"}},"created_at":"2026-05-18T02:32:38.617576+00:00","updated_at":"2026-05-18T02:32:38.617576+00:00"}