{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:TI42VMGR7VTYZ3YRIZMDWYRZ2U","short_pith_number":"pith:TI42VMGR","canonical_record":{"source":{"id":"1907.00241","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2019-06-29T17:17:52Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"a4a87ac28354eff657cb0ca8aaefc7d8617262c2ddefa72404ac35cc619c4ba1","abstract_canon_sha256":"6f38cc3eba89ecfe520692d1657f99cad1e27ea28ac3cd310ba5be81f8e844f8"},"schema_version":"1.0"},"canonical_sha256":"9a39aab0d1fd678cef1146583b6239d51434c24a4e309cf4680a96fbbeeb840b","source":{"kind":"arxiv","id":"1907.00241","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.00241","created_at":"2026-05-17T23:41:52Z"},{"alias_kind":"arxiv_version","alias_value":"1907.00241v1","created_at":"2026-05-17T23:41:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.00241","created_at":"2026-05-17T23:41:52Z"},{"alias_kind":"pith_short_12","alias_value":"TI42VMGR7VTY","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"TI42VMGR7VTYZ3YR","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"TI42VMGR","created_at":"2026-05-18T12:33:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:TI42VMGR7VTYZ3YRIZMDWYRZ2U","target":"record","payload":{"canonical_record":{"source":{"id":"1907.00241","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2019-06-29T17:17:52Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"a4a87ac28354eff657cb0ca8aaefc7d8617262c2ddefa72404ac35cc619c4ba1","abstract_canon_sha256":"6f38cc3eba89ecfe520692d1657f99cad1e27ea28ac3cd310ba5be81f8e844f8"},"schema_version":"1.0"},"canonical_sha256":"9a39aab0d1fd678cef1146583b6239d51434c24a4e309cf4680a96fbbeeb840b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:41:52.397902Z","signature_b64":"zvuVNRD+QMdI3ONaY5RAy+jLbZrJ5nNE3FWWoo5flLaEO73BYtu0VBb41UPpKBxm8Vs+V7XywiJOfm+sz3zaDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9a39aab0d1fd678cef1146583b6239d51434c24a4e309cf4680a96fbbeeb840b","last_reissued_at":"2026-05-17T23:41:52.397170Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:41:52.397170Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.00241","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:41:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"75g/9tXlOZMhn2KRsNLKrms0vyPD0qwWwr+4Z5kFgA/o+/L/uoMDDSiaQ+u7jlHZuAy9F/HEv7X2sKK6vghWDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T20:26:42.395883Z"},"content_sha256":"9c06672ca06be9baf4057ed4d6dc977264952663dec1cade3626180dbd3a5ba3","schema_version":"1.0","event_id":"sha256:9c06672ca06be9baf4057ed4d6dc977264952663dec1cade3626180dbd3a5ba3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:TI42VMGR7VTYZ3YRIZMDWYRZ2U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Identification In Missing Data Models Represented By Directed Acyclic Graphs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG"],"primary_cat":"stat.ML","authors_text":"Ilya Shpitser, James M. Robins, Razieh Nabi, Rohit Bhattacharya","submitted_at":"2019-06-29T17:17:52Z","abstract_excerpt":"Missing data is a pervasive problem in data analyses, resulting in datasets that contain censored realizations of a target distribution. Many approaches to inference on the target distribution using censored observed data, rely on missing data models represented as a factorization with respect to a directed acyclic graph. In this paper we consider the identifiability of the target distribution within this class of models, and show that the most general identification strategies proposed so far retain a significant gap in that they fail to identify a wide class of identifiable distributions. To"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.00241","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:41:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yMfa8iA2UDHRo1jmL9Mv6FhD7uLd9DHW0s6u0fTpXT8vOzi8NiNS+Wp0tjpCqc8mrfpo1hEGT4UGK+uALmWcBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T20:26:42.396457Z"},"content_sha256":"7844e138ad9d5e41d6af7e2de3b211ba1c0addd605e5d081f9a06df3437f9baf","schema_version":"1.0","event_id":"sha256:7844e138ad9d5e41d6af7e2de3b211ba1c0addd605e5d081f9a06df3437f9baf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TI42VMGR7VTYZ3YRIZMDWYRZ2U/bundle.json","state_url":"https://pith.science/pith/TI42VMGR7VTYZ3YRIZMDWYRZ2U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TI42VMGR7VTYZ3YRIZMDWYRZ2U/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-30T20:26:42Z","links":{"resolver":"https://pith.science/pith/TI42VMGR7VTYZ3YRIZMDWYRZ2U","bundle":"https://pith.science/pith/TI42VMGR7VTYZ3YRIZMDWYRZ2U/bundle.json","state":"https://pith.science/pith/TI42VMGR7VTYZ3YRIZMDWYRZ2U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TI42VMGR7VTYZ3YRIZMDWYRZ2U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:TI42VMGR7VTYZ3YRIZMDWYRZ2U","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":"6f38cc3eba89ecfe520692d1657f99cad1e27ea28ac3cd310ba5be81f8e844f8","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2019-06-29T17:17:52Z","title_canon_sha256":"a4a87ac28354eff657cb0ca8aaefc7d8617262c2ddefa72404ac35cc619c4ba1"},"schema_version":"1.0","source":{"id":"1907.00241","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.00241","created_at":"2026-05-17T23:41:52Z"},{"alias_kind":"arxiv_version","alias_value":"1907.00241v1","created_at":"2026-05-17T23:41:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.00241","created_at":"2026-05-17T23:41:52Z"},{"alias_kind":"pith_short_12","alias_value":"TI42VMGR7VTY","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"TI42VMGR7VTYZ3YR","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"TI42VMGR","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:7844e138ad9d5e41d6af7e2de3b211ba1c0addd605e5d081f9a06df3437f9baf","target":"graph","created_at":"2026-05-17T23:41:52Z","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":"Missing data is a pervasive problem in data analyses, resulting in datasets that contain censored realizations of a target distribution. Many approaches to inference on the target distribution using censored observed data, rely on missing data models represented as a factorization with respect to a directed acyclic graph. In this paper we consider the identifiability of the target distribution within this class of models, and show that the most general identification strategies proposed so far retain a significant gap in that they fail to identify a wide class of identifiable distributions. To","authors_text":"Ilya Shpitser, James M. Robins, Razieh Nabi, Rohit Bhattacharya","cross_cats":["cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2019-06-29T17:17:52Z","title":"Identification In Missing Data Models Represented By Directed Acyclic Graphs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.00241","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":"sha256:9c06672ca06be9baf4057ed4d6dc977264952663dec1cade3626180dbd3a5ba3","target":"record","created_at":"2026-05-17T23:41:52Z","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":"6f38cc3eba89ecfe520692d1657f99cad1e27ea28ac3cd310ba5be81f8e844f8","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2019-06-29T17:17:52Z","title_canon_sha256":"a4a87ac28354eff657cb0ca8aaefc7d8617262c2ddefa72404ac35cc619c4ba1"},"schema_version":"1.0","source":{"id":"1907.00241","kind":"arxiv","version":1}},"canonical_sha256":"9a39aab0d1fd678cef1146583b6239d51434c24a4e309cf4680a96fbbeeb840b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9a39aab0d1fd678cef1146583b6239d51434c24a4e309cf4680a96fbbeeb840b","first_computed_at":"2026-05-17T23:41:52.397170Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:41:52.397170Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zvuVNRD+QMdI3ONaY5RAy+jLbZrJ5nNE3FWWoo5flLaEO73BYtu0VBb41UPpKBxm8Vs+V7XywiJOfm+sz3zaDQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:41:52.397902Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.00241","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9c06672ca06be9baf4057ed4d6dc977264952663dec1cade3626180dbd3a5ba3","sha256:7844e138ad9d5e41d6af7e2de3b211ba1c0addd605e5d081f9a06df3437f9baf"],"state_sha256":"556a3149aa8c8733d53ac9343c642f929f2ddf0b8a9972c6b88bfbc8d5cc5e54"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KtGeUk9mP/EIC7K3q8yN+hIzKumQmQfwsNwa0R5cXIgIPDpLsH/omCLtAbPZA/cyJuWvzZmeBqf22P5lmCKeBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T20:26:42.400156Z","bundle_sha256":"34f7a470c2acb1859f89ff2da035c39619ea712a0a52db7ef372187290688fb9"}}