{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:5CMU7UURVY5WGAY6ST5EEBOFWV","short_pith_number":"pith:5CMU7UUR","schema_version":"1.0","canonical_sha256":"e8994fd291ae3b63031e94fa4205c5b55dd6b51e38ed623aaea1da69a2c7dbea","source":{"kind":"arxiv","id":"1901.11335","version":1},"attestation_state":"computed","paper":{"title":"Waves of desertification in a competitive ecosystem","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.PE","authors_text":"G. Abramson, J. A. Monjeau, M. F. Laguna, Y. C. Daza C.","submitted_at":"2019-01-31T12:55:23Z","abstract_excerpt":"We study a mathematical model inspired by a common scenario in northern Patagonia consisting of humans and their livestock living together with native wildlife. The main production system in this area is sheep farming, which due to wrong historical management has led to desertification of the habitat, with impact on both native wildlife and livestock. Particularly the largest native herbivore, the guanaco, has reflected in their numbers this alteration induced in the environment. We analyze a mathematical model that captures the main characteristics of the interaction between sheep and guanaco"},"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":"1901.11335","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2019-01-31T12:55:23Z","cross_cats_sorted":[],"title_canon_sha256":"27c39565398809c906467758136f26db7e27db4832738d260df3525cb5d996dd","abstract_canon_sha256":"13acfe3d5943e09784a2015ad58b03ccf5a226d77df6b08f7cef1687026e8195"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:55:02.149349Z","signature_b64":"35fDKFo4cLh1wK4hzAtsIJMzWdh9cR8T3ZDTO1OII59a3gz652PMUt4fPGCBODilczkk+1oxQi41QEyjhH7IDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e8994fd291ae3b63031e94fa4205c5b55dd6b51e38ed623aaea1da69a2c7dbea","last_reissued_at":"2026-05-17T23:55:02.148690Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:55:02.148690Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Waves of desertification in a competitive ecosystem","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.PE","authors_text":"G. Abramson, J. A. Monjeau, M. F. Laguna, Y. C. Daza C.","submitted_at":"2019-01-31T12:55:23Z","abstract_excerpt":"We study a mathematical model inspired by a common scenario in northern Patagonia consisting of humans and their livestock living together with native wildlife. The main production system in this area is sheep farming, which due to wrong historical management has led to desertification of the habitat, with impact on both native wildlife and livestock. Particularly the largest native herbivore, the guanaco, has reflected in their numbers this alteration induced in the environment. We analyze a mathematical model that captures the main characteristics of the interaction between sheep and guanaco"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.11335","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":"1901.11335","created_at":"2026-05-17T23:55:02.148794+00:00"},{"alias_kind":"arxiv_version","alias_value":"1901.11335v1","created_at":"2026-05-17T23:55:02.148794+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.11335","created_at":"2026-05-17T23:55:02.148794+00:00"},{"alias_kind":"pith_short_12","alias_value":"5CMU7UURVY5W","created_at":"2026-05-18T12:33:10.108867+00:00"},{"alias_kind":"pith_short_16","alias_value":"5CMU7UURVY5WGAY6","created_at":"2026-05-18T12:33:10.108867+00:00"},{"alias_kind":"pith_short_8","alias_value":"5CMU7UUR","created_at":"2026-05-18T12:33:10.108867+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/5CMU7UURVY5WGAY6ST5EEBOFWV","json":"https://pith.science/pith/5CMU7UURVY5WGAY6ST5EEBOFWV.json","graph_json":"https://pith.science/api/pith-number/5CMU7UURVY5WGAY6ST5EEBOFWV/graph.json","events_json":"https://pith.science/api/pith-number/5CMU7UURVY5WGAY6ST5EEBOFWV/events.json","paper":"https://pith.science/paper/5CMU7UUR"},"agent_actions":{"view_html":"https://pith.science/pith/5CMU7UURVY5WGAY6ST5EEBOFWV","download_json":"https://pith.science/pith/5CMU7UURVY5WGAY6ST5EEBOFWV.json","view_paper":"https://pith.science/paper/5CMU7UUR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1901.11335&json=true","fetch_graph":"https://pith.science/api/pith-number/5CMU7UURVY5WGAY6ST5EEBOFWV/graph.json","fetch_events":"https://pith.science/api/pith-number/5CMU7UURVY5WGAY6ST5EEBOFWV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5CMU7UURVY5WGAY6ST5EEBOFWV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5CMU7UURVY5WGAY6ST5EEBOFWV/action/storage_attestation","attest_author":"https://pith.science/pith/5CMU7UURVY5WGAY6ST5EEBOFWV/action/author_attestation","sign_citation":"https://pith.science/pith/5CMU7UURVY5WGAY6ST5EEBOFWV/action/citation_signature","submit_replication":"https://pith.science/pith/5CMU7UURVY5WGAY6ST5EEBOFWV/action/replication_record"}},"created_at":"2026-05-17T23:55:02.148794+00:00","updated_at":"2026-05-17T23:55:02.148794+00:00"}