{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:NZZZ2I6RPCBLASTAEJX6Y4FTBZ","short_pith_number":"pith:NZZZ2I6R","schema_version":"1.0","canonical_sha256":"6e739d23d17882b04a60226fec70b30e7b3788b0b168198fee39d744ac5d904e","source":{"kind":"arxiv","id":"1407.1682","version":2},"attestation_state":"computed","paper":{"title":"The Liability Threshold Model for Censored Twin Data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"stat.ME","authors_text":"Jacob B. Hjelmborg, Klaus K. Holst, Thomas H. Scheike","submitted_at":"2014-07-07T12:24:31Z","abstract_excerpt":"Family studies provide an important tool for understanding etiology of diseases, with the key aim of discovering evidence of family aggregation and to determine if such aggregation can be attributed to genetic components. Heritability and concordance estimates are routinely calculated in twin studies of diseases, as a way of quantifying such genetic contribution. The endpoint in these studies are typically defined as occurrence of a disease versus death without the disease. However, a large fraction of the subjects may still be alive at the time of follow-up without having experienced the dise"},"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":"1407.1682","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2014-07-07T12:24:31Z","cross_cats_sorted":[],"title_canon_sha256":"dc9a119c370ef793227eeb443f042b8fa58f84228b0c7c2e810a12eadc31016c","abstract_canon_sha256":"dbe2f56ab5fcbe6954b6ef478156f602af68c3892515c0f086bffd7d76eb678e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:28:47.753534Z","signature_b64":"lK/HxWzR2vrf3+owaW4e80Z6HrzaTLdEkDweh3dGZIUo/7j0vsSmS5k2GWY7XyL+rkNRP365GQPFD/4TUM7aDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6e739d23d17882b04a60226fec70b30e7b3788b0b168198fee39d744ac5d904e","last_reissued_at":"2026-05-18T02:28:47.753141Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:28:47.753141Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Liability Threshold Model for Censored Twin Data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"stat.ME","authors_text":"Jacob B. Hjelmborg, Klaus K. Holst, Thomas H. Scheike","submitted_at":"2014-07-07T12:24:31Z","abstract_excerpt":"Family studies provide an important tool for understanding etiology of diseases, with the key aim of discovering evidence of family aggregation and to determine if such aggregation can be attributed to genetic components. Heritability and concordance estimates are routinely calculated in twin studies of diseases, as a way of quantifying such genetic contribution. The endpoint in these studies are typically defined as occurrence of a disease versus death without the disease. However, a large fraction of the subjects may still be alive at the time of follow-up without having experienced the dise"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.1682","kind":"arxiv","version":2},"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":"1407.1682","created_at":"2026-05-18T02:28:47.753199+00:00"},{"alias_kind":"arxiv_version","alias_value":"1407.1682v2","created_at":"2026-05-18T02:28:47.753199+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.1682","created_at":"2026-05-18T02:28:47.753199+00:00"},{"alias_kind":"pith_short_12","alias_value":"NZZZ2I6RPCBL","created_at":"2026-05-18T12:28:41.024544+00:00"},{"alias_kind":"pith_short_16","alias_value":"NZZZ2I6RPCBLASTA","created_at":"2026-05-18T12:28:41.024544+00:00"},{"alias_kind":"pith_short_8","alias_value":"NZZZ2I6R","created_at":"2026-05-18T12:28:41.024544+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/NZZZ2I6RPCBLASTAEJX6Y4FTBZ","json":"https://pith.science/pith/NZZZ2I6RPCBLASTAEJX6Y4FTBZ.json","graph_json":"https://pith.science/api/pith-number/NZZZ2I6RPCBLASTAEJX6Y4FTBZ/graph.json","events_json":"https://pith.science/api/pith-number/NZZZ2I6RPCBLASTAEJX6Y4FTBZ/events.json","paper":"https://pith.science/paper/NZZZ2I6R"},"agent_actions":{"view_html":"https://pith.science/pith/NZZZ2I6RPCBLASTAEJX6Y4FTBZ","download_json":"https://pith.science/pith/NZZZ2I6RPCBLASTAEJX6Y4FTBZ.json","view_paper":"https://pith.science/paper/NZZZ2I6R","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1407.1682&json=true","fetch_graph":"https://pith.science/api/pith-number/NZZZ2I6RPCBLASTAEJX6Y4FTBZ/graph.json","fetch_events":"https://pith.science/api/pith-number/NZZZ2I6RPCBLASTAEJX6Y4FTBZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NZZZ2I6RPCBLASTAEJX6Y4FTBZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NZZZ2I6RPCBLASTAEJX6Y4FTBZ/action/storage_attestation","attest_author":"https://pith.science/pith/NZZZ2I6RPCBLASTAEJX6Y4FTBZ/action/author_attestation","sign_citation":"https://pith.science/pith/NZZZ2I6RPCBLASTAEJX6Y4FTBZ/action/citation_signature","submit_replication":"https://pith.science/pith/NZZZ2I6RPCBLASTAEJX6Y4FTBZ/action/replication_record"}},"created_at":"2026-05-18T02:28:47.753199+00:00","updated_at":"2026-05-18T02:28:47.753199+00:00"}