{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:NRRYII4GO333FY7E2LMVLJLXH2","short_pith_number":"pith:NRRYII4G","schema_version":"1.0","canonical_sha256":"6c6384238676f7b2e3e4d2d955a5773e8cee4d4e5e98d4e42166fdc3fd98b2db","source":{"kind":"arxiv","id":"1601.06943","version":1},"attestation_state":"computed","paper":{"title":"Competition between fast- and slow-diffusing species in non-homogeneous environments","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.PE","authors_text":"Roberto Benzi, Simone Pigolotti","submitted_at":"2016-01-26T09:30:01Z","abstract_excerpt":"We study an individual-based model in which two spatially-distributed species, characterized by different diffusivities, compete for resources. We consider three different ecological settings. In the first, diffusing faster has a cost in terms of reproduction rate. In the second case, resources are not uniformly distributed in space. In the third case, the two species are transported by a fluid flow. In all these cases, at varying the parameters, we observe a transition from a regime in which diffusing faster confers an effective selective advantage to one in which it constitutes a disadvantag"},"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":"1601.06943","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2016-01-26T09:30:01Z","cross_cats_sorted":[],"title_canon_sha256":"cfe0e190bf629b0f76bd05f6f938afa16b98e8245fe34e7f8bffeb85eca59b21","abstract_canon_sha256":"ad3463654a27525acb26828a3a99c25065836d40cae5c17516f2ab2c713db418"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:21:59.459365Z","signature_b64":"WLU1x77aRA+9RMh6tqpKeYCe41OhmxlWAHjxwPn73iJz6fqMdlCgcriC0Be3AIRzLRejN+X5KvPE6SVaxc2AAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6c6384238676f7b2e3e4d2d955a5773e8cee4d4e5e98d4e42166fdc3fd98b2db","last_reissued_at":"2026-05-18T01:21:59.458812Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:21:59.458812Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Competition between fast- and slow-diffusing species in non-homogeneous environments","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.PE","authors_text":"Roberto Benzi, Simone Pigolotti","submitted_at":"2016-01-26T09:30:01Z","abstract_excerpt":"We study an individual-based model in which two spatially-distributed species, characterized by different diffusivities, compete for resources. We consider three different ecological settings. In the first, diffusing faster has a cost in terms of reproduction rate. In the second case, resources are not uniformly distributed in space. In the third case, the two species are transported by a fluid flow. In all these cases, at varying the parameters, we observe a transition from a regime in which diffusing faster confers an effective selective advantage to one in which it constitutes a disadvantag"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.06943","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":"1601.06943","created_at":"2026-05-18T01:21:59.458875+00:00"},{"alias_kind":"arxiv_version","alias_value":"1601.06943v1","created_at":"2026-05-18T01:21:59.458875+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.06943","created_at":"2026-05-18T01:21:59.458875+00:00"},{"alias_kind":"pith_short_12","alias_value":"NRRYII4GO333","created_at":"2026-05-18T12:30:36.002864+00:00"},{"alias_kind":"pith_short_16","alias_value":"NRRYII4GO333FY7E","created_at":"2026-05-18T12:30:36.002864+00:00"},{"alias_kind":"pith_short_8","alias_value":"NRRYII4G","created_at":"2026-05-18T12:30:36.002864+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/NRRYII4GO333FY7E2LMVLJLXH2","json":"https://pith.science/pith/NRRYII4GO333FY7E2LMVLJLXH2.json","graph_json":"https://pith.science/api/pith-number/NRRYII4GO333FY7E2LMVLJLXH2/graph.json","events_json":"https://pith.science/api/pith-number/NRRYII4GO333FY7E2LMVLJLXH2/events.json","paper":"https://pith.science/paper/NRRYII4G"},"agent_actions":{"view_html":"https://pith.science/pith/NRRYII4GO333FY7E2LMVLJLXH2","download_json":"https://pith.science/pith/NRRYII4GO333FY7E2LMVLJLXH2.json","view_paper":"https://pith.science/paper/NRRYII4G","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1601.06943&json=true","fetch_graph":"https://pith.science/api/pith-number/NRRYII4GO333FY7E2LMVLJLXH2/graph.json","fetch_events":"https://pith.science/api/pith-number/NRRYII4GO333FY7E2LMVLJLXH2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NRRYII4GO333FY7E2LMVLJLXH2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NRRYII4GO333FY7E2LMVLJLXH2/action/storage_attestation","attest_author":"https://pith.science/pith/NRRYII4GO333FY7E2LMVLJLXH2/action/author_attestation","sign_citation":"https://pith.science/pith/NRRYII4GO333FY7E2LMVLJLXH2/action/citation_signature","submit_replication":"https://pith.science/pith/NRRYII4GO333FY7E2LMVLJLXH2/action/replication_record"}},"created_at":"2026-05-18T01:21:59.458875+00:00","updated_at":"2026-05-18T01:21:59.458875+00:00"}