{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:2L2XU7V4RZRI4OACUR6JRMOPYZ","short_pith_number":"pith:2L2XU7V4","canonical_record":{"source":{"id":"2205.00610","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.ME","submitted_at":"2022-05-02T01:37:36Z","cross_cats_sorted":[],"title_canon_sha256":"72dd4725e672f7411f80d807ad3b4aab1ea18e5b99d157414327fab0fd8f7df5","abstract_canon_sha256":"009485ff53489081d7c0e1bcd0cde858ab77d51674899875e41020940bd36540"},"schema_version":"1.0"},"canonical_sha256":"d2f57a7ebc8e628e3802a47c98b1cfc67eca6ab1c09e84bbda389a9027cbd2a6","source":{"kind":"arxiv","id":"2205.00610","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.00610","created_at":"2026-07-05T04:19:14Z"},{"alias_kind":"arxiv_version","alias_value":"2205.00610v1","created_at":"2026-07-05T04:19:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.00610","created_at":"2026-07-05T04:19:14Z"},{"alias_kind":"pith_short_12","alias_value":"2L2XU7V4RZRI","created_at":"2026-07-05T04:19:14Z"},{"alias_kind":"pith_short_16","alias_value":"2L2XU7V4RZRI4OAC","created_at":"2026-07-05T04:19:14Z"},{"alias_kind":"pith_short_8","alias_value":"2L2XU7V4","created_at":"2026-07-05T04:19:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:2L2XU7V4RZRI4OACUR6JRMOPYZ","target":"record","payload":{"canonical_record":{"source":{"id":"2205.00610","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.ME","submitted_at":"2022-05-02T01:37:36Z","cross_cats_sorted":[],"title_canon_sha256":"72dd4725e672f7411f80d807ad3b4aab1ea18e5b99d157414327fab0fd8f7df5","abstract_canon_sha256":"009485ff53489081d7c0e1bcd0cde858ab77d51674899875e41020940bd36540"},"schema_version":"1.0"},"canonical_sha256":"d2f57a7ebc8e628e3802a47c98b1cfc67eca6ab1c09e84bbda389a9027cbd2a6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:19:14.640152Z","signature_b64":"xreh4zBK4viGtGwPfD0vKkpP8R3WzCoRxpwAmdqnOa98wq1uw/7IPLz6su8LxDleBmzed5zGqHZjxPccfmZyAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d2f57a7ebc8e628e3802a47c98b1cfc67eca6ab1c09e84bbda389a9027cbd2a6","last_reissued_at":"2026-07-05T04:19:14.639677Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:19:14.639677Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2205.00610","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":"2026-07-05T04:19:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mrgkafMx9+My+AjCon/lzs7IYrFfHzBka19hjzdjcvMU9SwYaCJrdgMgtTlQwXbGZiy11Ax2EhJTY1iBIwVaCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-24T01:11:46.700193Z"},"content_sha256":"3d926a24d901eea73a26f3af795c9fd04dfaf7aee0ec447e0ed46c44e1bb5116","schema_version":"1.0","event_id":"sha256:3d926a24d901eea73a26f3af795c9fd04dfaf7aee0ec447e0ed46c44e1bb5116"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:2L2XU7V4RZRI4OACUR6JRMOPYZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Systematically Missing Data in Causally Interpretable Meta-Analysis","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"stat.ME","authors_text":"David H. Barker, Issa J. Dahabreh, Jon A. Steingrimsson, Ruofan Bie","submitted_at":"2022-05-02T01:37:36Z","abstract_excerpt":"Causally interpretable meta-analysis combines information from a collection of randomized controlled trials to estimate treatment effects in a target population in which experimentation may not be possible but covariate information can be collected from a simple random sample. In such analyses, a key practical challenge is systematically missing data when some baseline covariates are not collected in all trials. Here, we provide identification results for potential (counterfactual) outcome means and average treatment effects in the target population when covariate data are systematically missi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.00610","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2205.00610/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T04:19:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wGKWNAMrqotmebkAOs9CEdLcAgjLuyVwe5zp+idOI+hDAOZPOhe1XU/snvdXcMaAJXpf/JxlIcwIlifwnEXLAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-24T01:11:46.700770Z"},"content_sha256":"13a4b140e0f1bc68191e132e905f864bfaae8346f73046203ee36a997c4b580e","schema_version":"1.0","event_id":"sha256:13a4b140e0f1bc68191e132e905f864bfaae8346f73046203ee36a997c4b580e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2L2XU7V4RZRI4OACUR6JRMOPYZ/bundle.json","state_url":"https://pith.science/pith/2L2XU7V4RZRI4OACUR6JRMOPYZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2L2XU7V4RZRI4OACUR6JRMOPYZ/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":"2026-08-24T01:11:46Z","links":{"resolver":"https://pith.science/pith/2L2XU7V4RZRI4OACUR6JRMOPYZ","bundle":"https://pith.science/pith/2L2XU7V4RZRI4OACUR6JRMOPYZ/bundle.json","state":"https://pith.science/pith/2L2XU7V4RZRI4OACUR6JRMOPYZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2L2XU7V4RZRI4OACUR6JRMOPYZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:2L2XU7V4RZRI4OACUR6JRMOPYZ","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":"009485ff53489081d7c0e1bcd0cde858ab77d51674899875e41020940bd36540","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.ME","submitted_at":"2022-05-02T01:37:36Z","title_canon_sha256":"72dd4725e672f7411f80d807ad3b4aab1ea18e5b99d157414327fab0fd8f7df5"},"schema_version":"1.0","source":{"id":"2205.00610","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.00610","created_at":"2026-07-05T04:19:14Z"},{"alias_kind":"arxiv_version","alias_value":"2205.00610v1","created_at":"2026-07-05T04:19:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.00610","created_at":"2026-07-05T04:19:14Z"},{"alias_kind":"pith_short_12","alias_value":"2L2XU7V4RZRI","created_at":"2026-07-05T04:19:14Z"},{"alias_kind":"pith_short_16","alias_value":"2L2XU7V4RZRI4OAC","created_at":"2026-07-05T04:19:14Z"},{"alias_kind":"pith_short_8","alias_value":"2L2XU7V4","created_at":"2026-07-05T04:19:14Z"}],"graph_snapshots":[{"event_id":"sha256:13a4b140e0f1bc68191e132e905f864bfaae8346f73046203ee36a997c4b580e","target":"graph","created_at":"2026-07-05T04:19:14Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2205.00610/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Causally interpretable meta-analysis combines information from a collection of randomized controlled trials to estimate treatment effects in a target population in which experimentation may not be possible but covariate information can be collected from a simple random sample. In such analyses, a key practical challenge is systematically missing data when some baseline covariates are not collected in all trials. Here, we provide identification results for potential (counterfactual) outcome means and average treatment effects in the target population when covariate data are systematically missi","authors_text":"David H. Barker, Issa J. Dahabreh, Jon A. Steingrimsson, Ruofan Bie","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.ME","submitted_at":"2022-05-02T01:37:36Z","title":"Systematically Missing Data in Causally Interpretable Meta-Analysis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.00610","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":"sha256:3d926a24d901eea73a26f3af795c9fd04dfaf7aee0ec447e0ed46c44e1bb5116","target":"record","created_at":"2026-07-05T04:19:14Z","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":"009485ff53489081d7c0e1bcd0cde858ab77d51674899875e41020940bd36540","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.ME","submitted_at":"2022-05-02T01:37:36Z","title_canon_sha256":"72dd4725e672f7411f80d807ad3b4aab1ea18e5b99d157414327fab0fd8f7df5"},"schema_version":"1.0","source":{"id":"2205.00610","kind":"arxiv","version":1}},"canonical_sha256":"d2f57a7ebc8e628e3802a47c98b1cfc67eca6ab1c09e84bbda389a9027cbd2a6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d2f57a7ebc8e628e3802a47c98b1cfc67eca6ab1c09e84bbda389a9027cbd2a6","first_computed_at":"2026-07-05T04:19:14.639677Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:19:14.639677Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xreh4zBK4viGtGwPfD0vKkpP8R3WzCoRxpwAmdqnOa98wq1uw/7IPLz6su8LxDleBmzed5zGqHZjxPccfmZyAw==","signature_status":"signed_v1","signed_at":"2026-07-05T04:19:14.640152Z","signed_message":"canonical_sha256_bytes"},"source_id":"2205.00610","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3d926a24d901eea73a26f3af795c9fd04dfaf7aee0ec447e0ed46c44e1bb5116","sha256:13a4b140e0f1bc68191e132e905f864bfaae8346f73046203ee36a997c4b580e"],"state_sha256":"5ea767af29d8b44c9cbf3aaa1b87d4700311c5a76ffa3ff9210a92b773c71c53"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YWY+TA5dEzte52cjJVxtkf6E+VxMEJJlTsDhFXvOo76CrHzHnngRhB8pM8zVi3H7CQ07YX+wJtWbiOw9uoz8Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-24T01:11:46.705271Z","bundle_sha256":"d3b8f2bda5b66882beb0e33517e5a0d8b2779bc14b0aeb8df9d2df5b767953d3"}}