{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:IBSBUUWOXG32HTNYJRNIDOI4TT","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"54f4380b13c06f49d31bdccf31d313d3c1e238009233f52932c281dab82f8963","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2018-08-01T16:21:36Z","title_canon_sha256":"209590d7b3b344777b4704d56ead55c116a7111590d07c210546fd44f012dfa3"},"schema_version":"1.0","source":{"id":"1808.00868","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.00868","created_at":"2026-05-18T00:09:01Z"},{"alias_kind":"arxiv_version","alias_value":"1808.00868v1","created_at":"2026-05-18T00:09:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.00868","created_at":"2026-05-18T00:09:01Z"},{"alias_kind":"pith_short_12","alias_value":"IBSBUUWOXG32","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"IBSBUUWOXG32HTNY","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"IBSBUUWO","created_at":"2026-05-18T12:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:f359f536d5e6a943b0df25ad6b563182ee5e95cfbfa662613f47e5a1191016ee","target":"graph","created_at":"2026-05-18T00:09:01Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Invasion of new territories by alien organisms is of primary concern for environmental and health agencies and has been a core topic in mathematical modeling, in particular in the intents of reconstructing the past dynamics of the alien organisms and predicting their future spatial extents. Partial differential equations offer a rich and flexible modeling framework that has been applied to a large number of invasions. In this article, we are specifically interested in dating and localizing the introduction that led to an invasion using mathematical modeling, post-introduction data and an adequ","authors_text":"Candy Abboud, Eric Parent, Olivier Bonnefon, Samuel Soubeyrand","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2018-08-01T16:21:36Z","title":"Dating and localizing an invasion from post-introduction data and a coupled reaction-diffusion-absorption model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.00868","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:223c109eefa77043593560d82c83a55ad621661ce2863168218089de72c1f48f","target":"record","created_at":"2026-05-18T00:09:01Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"54f4380b13c06f49d31bdccf31d313d3c1e238009233f52932c281dab82f8963","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2018-08-01T16:21:36Z","title_canon_sha256":"209590d7b3b344777b4704d56ead55c116a7111590d07c210546fd44f012dfa3"},"schema_version":"1.0","source":{"id":"1808.00868","kind":"arxiv","version":1}},"canonical_sha256":"40641a52ceb9b7a3cdb84c5a81b91c9cc193e20e67fe5cda287ab68d7ffc3a40","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"40641a52ceb9b7a3cdb84c5a81b91c9cc193e20e67fe5cda287ab68d7ffc3a40","first_computed_at":"2026-05-18T00:09:01.196827Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:09:01.196827Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZwY5bIa2apRDjgMzkGfWDKx+jvG4JjNFcQG9BqfZkdtVeHH6s0sO1c5p5LXFlvAFjMCtoU0GJejabRQbHLk1Cg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:09:01.197414Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.00868","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:223c109eefa77043593560d82c83a55ad621661ce2863168218089de72c1f48f","sha256:f359f536d5e6a943b0df25ad6b563182ee5e95cfbfa662613f47e5a1191016ee"],"state_sha256":"d44a984566f0d34b5267da04e6c8056943ab09ba11e535272328faba3b8f4475"}