{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:MYZRNZ2LM3722NZZOCRPETXAZW","short_pith_number":"pith:MYZRNZ2L","schema_version":"1.0","canonical_sha256":"663316e74b66ffad373970a2f24ee0cd85ecac46da3ac3d67f78e64922327d24","source":{"kind":"arxiv","id":"1906.08357","version":1},"attestation_state":"computed","paper":{"title":"The Age-Period-Cohort-Interaction Model for Describing and Investigating Inter-Cohort Deviations and Intra-Cohort Life-Course Dynamics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["econ.EM","stat.ME"],"primary_cat":"stat.AP","authors_text":"James Hodges, Liying Luo","submitted_at":"2019-06-03T01:33:35Z","abstract_excerpt":"Social scientists have frequently sought to understand the distinct effects of age, period, and cohort, but disaggregation of the three dimensions is difficult because cohort = period - age. We argue that this technical difficulty reflects a disconnection between how cohort effect is conceptualized and how it is modeled in the traditional age-period-cohort framework. We propose a new method, called the age-period-cohort-interaction (APC-I) model, that is qualitatively different from previous methods in that it represents Ryder's (1965) theoretical account about the conditions under which cohor"},"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":"1906.08357","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2019-06-03T01:33:35Z","cross_cats_sorted":["econ.EM","stat.ME"],"title_canon_sha256":"2b4f4ac5081138dfd6b0dc55649452b6b95bb44f649f48b7591b322294ea9eee","abstract_canon_sha256":"d891851239546460427af4af375532acc34a77256a3d203a0935bcf1dda814a4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:42:52.733962Z","signature_b64":"prr6h0GxqKlWNdlBr2rOluG/kfu+wkiZBCf3Ft0MVqC344CpAGvmOYsG8qYVlHHjMbX5a+/qMH2YNnlD1Rm2CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"663316e74b66ffad373970a2f24ee0cd85ecac46da3ac3d67f78e64922327d24","last_reissued_at":"2026-05-17T23:42:52.733468Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:42:52.733468Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Age-Period-Cohort-Interaction Model for Describing and Investigating Inter-Cohort Deviations and Intra-Cohort Life-Course Dynamics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["econ.EM","stat.ME"],"primary_cat":"stat.AP","authors_text":"James Hodges, Liying Luo","submitted_at":"2019-06-03T01:33:35Z","abstract_excerpt":"Social scientists have frequently sought to understand the distinct effects of age, period, and cohort, but disaggregation of the three dimensions is difficult because cohort = period - age. We argue that this technical difficulty reflects a disconnection between how cohort effect is conceptualized and how it is modeled in the traditional age-period-cohort framework. We propose a new method, called the age-period-cohort-interaction (APC-I) model, that is qualitatively different from previous methods in that it represents Ryder's (1965) theoretical account about the conditions under which cohor"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.08357","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":"1906.08357","created_at":"2026-05-17T23:42:52.733553+00:00"},{"alias_kind":"arxiv_version","alias_value":"1906.08357v1","created_at":"2026-05-17T23:42:52.733553+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.08357","created_at":"2026-05-17T23:42:52.733553+00:00"},{"alias_kind":"pith_short_12","alias_value":"MYZRNZ2LM372","created_at":"2026-05-18T12:33:24.271573+00:00"},{"alias_kind":"pith_short_16","alias_value":"MYZRNZ2LM3722NZZ","created_at":"2026-05-18T12:33:24.271573+00:00"},{"alias_kind":"pith_short_8","alias_value":"MYZRNZ2L","created_at":"2026-05-18T12:33:24.271573+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/MYZRNZ2LM3722NZZOCRPETXAZW","json":"https://pith.science/pith/MYZRNZ2LM3722NZZOCRPETXAZW.json","graph_json":"https://pith.science/api/pith-number/MYZRNZ2LM3722NZZOCRPETXAZW/graph.json","events_json":"https://pith.science/api/pith-number/MYZRNZ2LM3722NZZOCRPETXAZW/events.json","paper":"https://pith.science/paper/MYZRNZ2L"},"agent_actions":{"view_html":"https://pith.science/pith/MYZRNZ2LM3722NZZOCRPETXAZW","download_json":"https://pith.science/pith/MYZRNZ2LM3722NZZOCRPETXAZW.json","view_paper":"https://pith.science/paper/MYZRNZ2L","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1906.08357&json=true","fetch_graph":"https://pith.science/api/pith-number/MYZRNZ2LM3722NZZOCRPETXAZW/graph.json","fetch_events":"https://pith.science/api/pith-number/MYZRNZ2LM3722NZZOCRPETXAZW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MYZRNZ2LM3722NZZOCRPETXAZW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MYZRNZ2LM3722NZZOCRPETXAZW/action/storage_attestation","attest_author":"https://pith.science/pith/MYZRNZ2LM3722NZZOCRPETXAZW/action/author_attestation","sign_citation":"https://pith.science/pith/MYZRNZ2LM3722NZZOCRPETXAZW/action/citation_signature","submit_replication":"https://pith.science/pith/MYZRNZ2LM3722NZZOCRPETXAZW/action/replication_record"}},"created_at":"2026-05-17T23:42:52.733553+00:00","updated_at":"2026-05-17T23:42:52.733553+00:00"}