{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:WDM4LVC2J6M7CNNTX75QS4GGHG","short_pith_number":"pith:WDM4LVC2","schema_version":"1.0","canonical_sha256":"b0d9c5d45a4f99f135b3bffb0970c639bc7f7f0236d5652c6561418e20855970","source":{"kind":"arxiv","id":"1112.1679","version":3},"attestation_state":"computed","paper":{"title":"Metapopulation dynamics on the brink of extinction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.PE","authors_text":"A. Eriksson, B. Mehlig, F. Elias-Wolff","submitted_at":"2011-12-07T20:18:24Z","abstract_excerpt":"We analyse metapopulation dynamics in terms of an individual-based, stochastic model of a finite metapopulation. We suggest a new approach, using the number of patches in the population as a large parameter. This approach does not require that the number of individuals per patch is large, neither is it necessary to assume a time-scale separation between local population dynamics and migration. Our approach makes it possible to accurately describe the dynamics of metapopulations consisting of many small patches. We focus on metapopulations on the brink of extinction. We estimate the time to ext"},"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":"1112.1679","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2011-12-07T20:18:24Z","cross_cats_sorted":[],"title_canon_sha256":"7209280870f3235106eaaf5110cfe99e63c0e6db8e96d70bf98f34f1a5f26444","abstract_canon_sha256":"e25ab1fa9b1293e1997e891a0e5fc559a4922939850214bfb69c66d6e8275281"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:32:05.762288Z","signature_b64":"r+GQl2RdaRbLpXszGC9dxutZPSszxnxBoStSaXcmkGFJG9eKXeHMbye8mkvz542r2PCPNn2l8DO4B+XRQG95Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b0d9c5d45a4f99f135b3bffb0970c639bc7f7f0236d5652c6561418e20855970","last_reissued_at":"2026-05-18T03:32:05.761414Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:32:05.761414Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Metapopulation dynamics on the brink of extinction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.PE","authors_text":"A. Eriksson, B. Mehlig, F. Elias-Wolff","submitted_at":"2011-12-07T20:18:24Z","abstract_excerpt":"We analyse metapopulation dynamics in terms of an individual-based, stochastic model of a finite metapopulation. We suggest a new approach, using the number of patches in the population as a large parameter. This approach does not require that the number of individuals per patch is large, neither is it necessary to assume a time-scale separation between local population dynamics and migration. Our approach makes it possible to accurately describe the dynamics of metapopulations consisting of many small patches. We focus on metapopulations on the brink of extinction. We estimate the time to ext"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.1679","kind":"arxiv","version":3},"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":"1112.1679","created_at":"2026-05-18T03:32:05.761569+00:00"},{"alias_kind":"arxiv_version","alias_value":"1112.1679v3","created_at":"2026-05-18T03:32:05.761569+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.1679","created_at":"2026-05-18T03:32:05.761569+00:00"},{"alias_kind":"pith_short_12","alias_value":"WDM4LVC2J6M7","created_at":"2026-05-18T12:26:44.992195+00:00"},{"alias_kind":"pith_short_16","alias_value":"WDM4LVC2J6M7CNNT","created_at":"2026-05-18T12:26:44.992195+00:00"},{"alias_kind":"pith_short_8","alias_value":"WDM4LVC2","created_at":"2026-05-18T12:26:44.992195+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/WDM4LVC2J6M7CNNTX75QS4GGHG","json":"https://pith.science/pith/WDM4LVC2J6M7CNNTX75QS4GGHG.json","graph_json":"https://pith.science/api/pith-number/WDM4LVC2J6M7CNNTX75QS4GGHG/graph.json","events_json":"https://pith.science/api/pith-number/WDM4LVC2J6M7CNNTX75QS4GGHG/events.json","paper":"https://pith.science/paper/WDM4LVC2"},"agent_actions":{"view_html":"https://pith.science/pith/WDM4LVC2J6M7CNNTX75QS4GGHG","download_json":"https://pith.science/pith/WDM4LVC2J6M7CNNTX75QS4GGHG.json","view_paper":"https://pith.science/paper/WDM4LVC2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1112.1679&json=true","fetch_graph":"https://pith.science/api/pith-number/WDM4LVC2J6M7CNNTX75QS4GGHG/graph.json","fetch_events":"https://pith.science/api/pith-number/WDM4LVC2J6M7CNNTX75QS4GGHG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WDM4LVC2J6M7CNNTX75QS4GGHG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WDM4LVC2J6M7CNNTX75QS4GGHG/action/storage_attestation","attest_author":"https://pith.science/pith/WDM4LVC2J6M7CNNTX75QS4GGHG/action/author_attestation","sign_citation":"https://pith.science/pith/WDM4LVC2J6M7CNNTX75QS4GGHG/action/citation_signature","submit_replication":"https://pith.science/pith/WDM4LVC2J6M7CNNTX75QS4GGHG/action/replication_record"}},"created_at":"2026-05-18T03:32:05.761569+00:00","updated_at":"2026-05-18T03:32:05.761569+00:00"}