{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:BQL2FGYDQFVYVPGBA7DOKT36E2","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":"8d598d35c65efd60d112e93a9192f09f9ad4e851c06abc820de7b32c908ad826","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"econ.EM","submitted_at":"2019-07-20T09:18:44Z","title_canon_sha256":"59399e1d4119929ba7d7c49b4a1e1d4785db019f3784f58a20ee2c42b9b66192"},"schema_version":"1.0","source":{"id":"1907.09886","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.09886","created_at":"2026-05-17T23:39:49Z"},{"alias_kind":"arxiv_version","alias_value":"1907.09886v1","created_at":"2026-05-17T23:39:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.09886","created_at":"2026-05-17T23:39:49Z"},{"alias_kind":"pith_short_12","alias_value":"BQL2FGYDQFVY","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"BQL2FGYDQFVYVPGB","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"BQL2FGYD","created_at":"2026-05-18T12:33:12Z"}],"graph_snapshots":[{"event_id":"sha256:ff9c22d93a9ead1ba575227b08a72733d246ec4c4ee20ce821430c63a1096294","target":"graph","created_at":"2026-05-17T23:39:49Z","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":"In their IZA Discussion Paper 10247, Johansson and Lee claim that the main result (Proposition 3) in Abbring and Van den Berg (2003b) does not hold. We show that their claim is incorrect. At a certain point within their line of reasoning, they make a rather basic error while transforming one random variable into another random variable, and this leads them to draw incorrect conclusions. As a result, their paper can be discarded.","authors_text":"Gerard J. van den Berg, Jaap H. Abbring","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"econ.EM","submitted_at":"2019-07-20T09:18:44Z","title":"Rebuttal of \"On Nonparametric Identification of Treatment Effects in Duration Models\""},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.09886","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":"sha256:725abeb5fc71206198785d94f1f703d1240e2fb9f08e84416f7ef6934b147732","target":"record","created_at":"2026-05-17T23:39:49Z","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":"8d598d35c65efd60d112e93a9192f09f9ad4e851c06abc820de7b32c908ad826","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"econ.EM","submitted_at":"2019-07-20T09:18:44Z","title_canon_sha256":"59399e1d4119929ba7d7c49b4a1e1d4785db019f3784f58a20ee2c42b9b66192"},"schema_version":"1.0","source":{"id":"1907.09886","kind":"arxiv","version":1}},"canonical_sha256":"0c17a29b03816b8abcc107c6e54f7e26949c89a4b1432ad58f03a3111b83e758","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0c17a29b03816b8abcc107c6e54f7e26949c89a4b1432ad58f03a3111b83e758","first_computed_at":"2026-05-17T23:39:49.792338Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:39:49.792338Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vMG9c2lXzGpWtWebcOzKk80gnewrNFjboBvFogHZBBFnraibMaiey25ZXFzo9kB4xxOFvzQHbBG8s1wMWyUNDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:39:49.792963Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.09886","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:725abeb5fc71206198785d94f1f703d1240e2fb9f08e84416f7ef6934b147732","sha256:ff9c22d93a9ead1ba575227b08a72733d246ec4c4ee20ce821430c63a1096294"],"state_sha256":"a7b1f613307c003e1d7bf04284050e9ca056b87e80fa9ebe53b430a0f25f2dbe"}