{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:TESCQTQZDE4XBT76CW4MDD2267","short_pith_number":"pith:TESCQTQZ","schema_version":"1.0","canonical_sha256":"9924284e19193970cffe15b8c18f5af7ebbb1e1b56d4d0d398b5bddf726bb35f","source":{"kind":"arxiv","id":"1405.7149","version":2},"attestation_state":"computed","paper":{"title":"Effect of Vision Angle on the Phase Transition in a Flocking Behavior of Animal Groups","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":["q-bio.PE"],"primary_cat":"physics.bio-ph","authors_text":"P. The Nguyen, Sang-Hee Lee, V. Thanh Ngo","submitted_at":"2014-05-28T08:05:14Z","abstract_excerpt":"The nature of the phase transition in a system of self-propelling particles has been extensively studied during the last few decades. A theoretical model was proposed by T. Vicsek, {\\it et. al.} [Phys. Rev. Lett. {\\bf 75}, 1226 (1995)] with a simple rule for updating the direction of motion of each particle. Based on the Vicsek's model (VM) [1], in this work, we consider a group of animals as particles moving freely on a two-dimensional space. Due to the fact that the viewable area of animals depends on the species, we consider the motion of each individual within an angle $\\varphi=\\Phi/2$ ($\\"},"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":"1405.7149","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.bio-ph","submitted_at":"2014-05-28T08:05:14Z","cross_cats_sorted":["q-bio.PE"],"title_canon_sha256":"e0cd62b7670f899a16c001bf0c1bc908f313fc4967882a9dcc014a81d0a78446","abstract_canon_sha256":"1ad847ce8f741f51aab0e12c4b23eae402a34b46cc60cd1d384e60152aa8ea0d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:32:43.825667Z","signature_b64":"N6J9pQAbMSvVgantu9+Z/maQQ0SMWQLAdQ30g0z2l4ehyhxMHXJadynbH+SkXfhj5OoTrFT6iSXzuvqBJZ5ZCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9924284e19193970cffe15b8c18f5af7ebbb1e1b56d4d0d398b5bddf726bb35f","last_reissued_at":"2026-05-18T01:32:43.824994Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:32:43.824994Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Effect of Vision Angle on the Phase Transition in a Flocking Behavior of Animal Groups","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":["q-bio.PE"],"primary_cat":"physics.bio-ph","authors_text":"P. The Nguyen, Sang-Hee Lee, V. Thanh Ngo","submitted_at":"2014-05-28T08:05:14Z","abstract_excerpt":"The nature of the phase transition in a system of self-propelling particles has been extensively studied during the last few decades. A theoretical model was proposed by T. Vicsek, {\\it et. al.} [Phys. Rev. Lett. {\\bf 75}, 1226 (1995)] with a simple rule for updating the direction of motion of each particle. Based on the Vicsek's model (VM) [1], in this work, we consider a group of animals as particles moving freely on a two-dimensional space. Due to the fact that the viewable area of animals depends on the species, we consider the motion of each individual within an angle $\\varphi=\\Phi/2$ ($\\"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.7149","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":"1405.7149","created_at":"2026-05-18T01:32:43.825095+00:00"},{"alias_kind":"arxiv_version","alias_value":"1405.7149v2","created_at":"2026-05-18T01:32:43.825095+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.7149","created_at":"2026-05-18T01:32:43.825095+00:00"},{"alias_kind":"pith_short_12","alias_value":"TESCQTQZDE4X","created_at":"2026-05-18T12:28:49.207871+00:00"},{"alias_kind":"pith_short_16","alias_value":"TESCQTQZDE4XBT76","created_at":"2026-05-18T12:28:49.207871+00:00"},{"alias_kind":"pith_short_8","alias_value":"TESCQTQZ","created_at":"2026-05-18T12:28:49.207871+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/TESCQTQZDE4XBT76CW4MDD2267","json":"https://pith.science/pith/TESCQTQZDE4XBT76CW4MDD2267.json","graph_json":"https://pith.science/api/pith-number/TESCQTQZDE4XBT76CW4MDD2267/graph.json","events_json":"https://pith.science/api/pith-number/TESCQTQZDE4XBT76CW4MDD2267/events.json","paper":"https://pith.science/paper/TESCQTQZ"},"agent_actions":{"view_html":"https://pith.science/pith/TESCQTQZDE4XBT76CW4MDD2267","download_json":"https://pith.science/pith/TESCQTQZDE4XBT76CW4MDD2267.json","view_paper":"https://pith.science/paper/TESCQTQZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1405.7149&json=true","fetch_graph":"https://pith.science/api/pith-number/TESCQTQZDE4XBT76CW4MDD2267/graph.json","fetch_events":"https://pith.science/api/pith-number/TESCQTQZDE4XBT76CW4MDD2267/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TESCQTQZDE4XBT76CW4MDD2267/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TESCQTQZDE4XBT76CW4MDD2267/action/storage_attestation","attest_author":"https://pith.science/pith/TESCQTQZDE4XBT76CW4MDD2267/action/author_attestation","sign_citation":"https://pith.science/pith/TESCQTQZDE4XBT76CW4MDD2267/action/citation_signature","submit_replication":"https://pith.science/pith/TESCQTQZDE4XBT76CW4MDD2267/action/replication_record"}},"created_at":"2026-05-18T01:32:43.825095+00:00","updated_at":"2026-05-18T01:32:43.825095+00:00"}