{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:64E4SN73HUJ6UC76BNOVMZ4D35","short_pith_number":"pith:64E4SN73","schema_version":"1.0","canonical_sha256":"f709c937fb3d13ea0bfe0b5d566783df481192450a8d21cdf9533c3c36c03162","source":{"kind":"arxiv","id":"1905.05760","version":1},"attestation_state":"computed","paper":{"title":"Shifting attention to old age: Detecting mortality deceleration using focused model selection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["stat.ME"],"primary_cat":"stat.AP","authors_text":"Gerda Claeskens, Hein Putter, Jutta Gampe, Marie B\\\"ohnstedt, Nadine Ouellette","submitted_at":"2019-05-14T12:55:13Z","abstract_excerpt":"The decrease in the increase in death rates at old ages is a phenomenon that has repeatedly been discussed in demographic research. While mortality deceleration can be explained in the gamma-Gompertz model as an effect of selection in heterogeneous populations, this phenomenon can be difficult to assess statistically because it relates to the tail of the distribution of the ages at death. By using a focused information criterion (FIC) for model selection, we can directly target model performance at those advanced ages. The gamma-Gompertz model is reduced to the competing Gompertz model without"},"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":"1905.05760","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2019-05-14T12:55:13Z","cross_cats_sorted":["stat.ME"],"title_canon_sha256":"12c0aeca722a691c0be33e592370b86e72fff3fbea5098929a5f619c4fccc9da","abstract_canon_sha256":"4a6da6690f9ee0576eea374c385fb5eaf503292ab9878a3800cac7b98eb5b1b2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:46:08.565131Z","signature_b64":"en2BHPdMsAnV1JVO8RxnA1MD2TttZXbfWu97LQWVRDlQBNfTr45SNpJjH9x2mxTZLivCehLXECxiC+QIo9ptAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f709c937fb3d13ea0bfe0b5d566783df481192450a8d21cdf9533c3c36c03162","last_reissued_at":"2026-05-17T23:46:08.564456Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:46:08.564456Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Shifting attention to old age: Detecting mortality deceleration using focused model selection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["stat.ME"],"primary_cat":"stat.AP","authors_text":"Gerda Claeskens, Hein Putter, Jutta Gampe, Marie B\\\"ohnstedt, Nadine Ouellette","submitted_at":"2019-05-14T12:55:13Z","abstract_excerpt":"The decrease in the increase in death rates at old ages is a phenomenon that has repeatedly been discussed in demographic research. While mortality deceleration can be explained in the gamma-Gompertz model as an effect of selection in heterogeneous populations, this phenomenon can be difficult to assess statistically because it relates to the tail of the distribution of the ages at death. By using a focused information criterion (FIC) for model selection, we can directly target model performance at those advanced ages. The gamma-Gompertz model is reduced to the competing Gompertz model without"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.05760","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":"1905.05760","created_at":"2026-05-17T23:46:08.564582+00:00"},{"alias_kind":"arxiv_version","alias_value":"1905.05760v1","created_at":"2026-05-17T23:46:08.564582+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.05760","created_at":"2026-05-17T23:46:08.564582+00:00"},{"alias_kind":"pith_short_12","alias_value":"64E4SN73HUJ6","created_at":"2026-05-18T12:33:10.108867+00:00"},{"alias_kind":"pith_short_16","alias_value":"64E4SN73HUJ6UC76","created_at":"2026-05-18T12:33:10.108867+00:00"},{"alias_kind":"pith_short_8","alias_value":"64E4SN73","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/64E4SN73HUJ6UC76BNOVMZ4D35","json":"https://pith.science/pith/64E4SN73HUJ6UC76BNOVMZ4D35.json","graph_json":"https://pith.science/api/pith-number/64E4SN73HUJ6UC76BNOVMZ4D35/graph.json","events_json":"https://pith.science/api/pith-number/64E4SN73HUJ6UC76BNOVMZ4D35/events.json","paper":"https://pith.science/paper/64E4SN73"},"agent_actions":{"view_html":"https://pith.science/pith/64E4SN73HUJ6UC76BNOVMZ4D35","download_json":"https://pith.science/pith/64E4SN73HUJ6UC76BNOVMZ4D35.json","view_paper":"https://pith.science/paper/64E4SN73","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1905.05760&json=true","fetch_graph":"https://pith.science/api/pith-number/64E4SN73HUJ6UC76BNOVMZ4D35/graph.json","fetch_events":"https://pith.science/api/pith-number/64E4SN73HUJ6UC76BNOVMZ4D35/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/64E4SN73HUJ6UC76BNOVMZ4D35/action/timestamp_anchor","attest_storage":"https://pith.science/pith/64E4SN73HUJ6UC76BNOVMZ4D35/action/storage_attestation","attest_author":"https://pith.science/pith/64E4SN73HUJ6UC76BNOVMZ4D35/action/author_attestation","sign_citation":"https://pith.science/pith/64E4SN73HUJ6UC76BNOVMZ4D35/action/citation_signature","submit_replication":"https://pith.science/pith/64E4SN73HUJ6UC76BNOVMZ4D35/action/replication_record"}},"created_at":"2026-05-17T23:46:08.564582+00:00","updated_at":"2026-05-17T23:46:08.564582+00:00"}