{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:HGWS3MBRJ35PI2CXVB3PZ5GVSI","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":"0943d394d73aa9b55c4e38b6e85f0f34ebe50e913a3e318a81dd8a365ca6f37a","cross_cats_sorted":["econ.EM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2016-11-18T20:21:16Z","title_canon_sha256":"6e57f81d794d244bed57cd7b19f2b5e85c530d799b6ee51245dbcdffb4c8cd34"},"schema_version":"1.0","source":{"id":"1611.06217","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.06217","created_at":"2026-05-17T23:54:32Z"},{"alias_kind":"arxiv_version","alias_value":"1611.06217v2","created_at":"2026-05-17T23:54:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.06217","created_at":"2026-05-17T23:54:32Z"},{"alias_kind":"pith_short_12","alias_value":"HGWS3MBRJ35P","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"HGWS3MBRJ35PI2CX","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"HGWS3MBR","created_at":"2026-05-18T12:30:19Z"}],"graph_snapshots":[{"event_id":"sha256:47306a86fccb206ae1eab9a46e0712650012c5336157a36dc68259d774e24228","target":"graph","created_at":"2026-05-17T23:54:32Z","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":"This paper proposes new nonparametric diagnostic tools to assess the asymptotic validity of different treatment effects estimators that rely on the correct specification of the propensity score. We derive a particular restriction relating the propensity score distribution of treated and control groups, and develop specification tests based upon it. The resulting tests do not suffer from the \"curse of dimensionality\" when the vector of covariates is high-dimensional, are fully data-driven, do not require tuning parameters such as bandwidths, and are able to detect a broad class of local alterna","authors_text":"Pedro H. C. Sant'Anna, Xiaojun Song","cross_cats":["econ.EM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2016-11-18T20:21:16Z","title":"Specification Tests for the Propensity Score"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.06217","kind":"arxiv","version":2},"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":"sha256:784de8166260521762a8b2b16c30b13f90e0038c31c0743c7dd1da73d24a6329","target":"record","created_at":"2026-05-17T23:54:32Z","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":"0943d394d73aa9b55c4e38b6e85f0f34ebe50e913a3e318a81dd8a365ca6f37a","cross_cats_sorted":["econ.EM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2016-11-18T20:21:16Z","title_canon_sha256":"6e57f81d794d244bed57cd7b19f2b5e85c530d799b6ee51245dbcdffb4c8cd34"},"schema_version":"1.0","source":{"id":"1611.06217","kind":"arxiv","version":2}},"canonical_sha256":"39ad2db0314efaf46857a876fcf4d592361520380fecbdee658692f42eddb2e8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"39ad2db0314efaf46857a876fcf4d592361520380fecbdee658692f42eddb2e8","first_computed_at":"2026-05-17T23:54:32.084959Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:54:32.084959Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"z8WwLYyFhzdyVtpjdwMIKdYJu1yWWBXJmCQtrJxDohWSVRMNXjqG268L6WUDshRwKeyF6Yoizu2xkdbnR4xEBA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:54:32.085656Z","signed_message":"canonical_sha256_bytes"},"source_id":"1611.06217","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:784de8166260521762a8b2b16c30b13f90e0038c31c0743c7dd1da73d24a6329","sha256:47306a86fccb206ae1eab9a46e0712650012c5336157a36dc68259d774e24228"],"state_sha256":"15f1c559da3b52af25af8b213b1060ce16918e5ff7cc8dbb7f1b56cf8cdde2dc"}