{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:T2FDGIV6RWKIZOYTIK5XAVA5PT","short_pith_number":"pith:T2FDGIV6","canonical_record":{"source":{"id":"2506.14946","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"stat.ME","submitted_at":"2025-06-17T19:55:44Z","cross_cats_sorted":[],"title_canon_sha256":"bf2c9bba7389f2aad0546efdcf4893836f6298c957dc5ee16102910f02d916b8","abstract_canon_sha256":"197c094ebe51b53af878c9b73dde40ae9932158e1067cbdd590ffc259f434105"},"schema_version":"1.0"},"canonical_sha256":"9e8a3322be8d948cbb1342bb70541d7cebff01e1c8cb1c125f7b62af9140fa30","source":{"kind":"arxiv","id":"2506.14946","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.14946","created_at":"2026-07-05T11:23:34Z"},{"alias_kind":"arxiv_version","alias_value":"2506.14946v1","created_at":"2026-07-05T11:23:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.14946","created_at":"2026-07-05T11:23:34Z"},{"alias_kind":"pith_short_12","alias_value":"T2FDGIV6RWKI","created_at":"2026-07-05T11:23:34Z"},{"alias_kind":"pith_short_16","alias_value":"T2FDGIV6RWKIZOYT","created_at":"2026-07-05T11:23:34Z"},{"alias_kind":"pith_short_8","alias_value":"T2FDGIV6","created_at":"2026-07-05T11:23:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:T2FDGIV6RWKIZOYTIK5XAVA5PT","target":"record","payload":{"canonical_record":{"source":{"id":"2506.14946","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"stat.ME","submitted_at":"2025-06-17T19:55:44Z","cross_cats_sorted":[],"title_canon_sha256":"bf2c9bba7389f2aad0546efdcf4893836f6298c957dc5ee16102910f02d916b8","abstract_canon_sha256":"197c094ebe51b53af878c9b73dde40ae9932158e1067cbdd590ffc259f434105"},"schema_version":"1.0"},"canonical_sha256":"9e8a3322be8d948cbb1342bb70541d7cebff01e1c8cb1c125f7b62af9140fa30","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:23:34.575430Z","signature_b64":"QGdlVXmjB6ct5E1cj9dtqLiSYDBv9D/gauzKXBaRwBtxgJz4sxV3WaHoAn6DM+DYX+QXTqnpowzicD2TQIazCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9e8a3322be8d948cbb1342bb70541d7cebff01e1c8cb1c125f7b62af9140fa30","last_reissued_at":"2026-07-05T11:23:34.574956Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:23:34.574956Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.14946","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":"2026-07-05T11:23:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M9iLxyaNduzJHtto7r/w6ENa+jIJk94WfQe8o4g8qT9oJZ6wauqdk2AHpuaxtCd+JCsBxIYDtOvMko5QoPCJAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T11:12:44.157102Z"},"content_sha256":"91da739be7523f61fbe4f7c31ddc9b141267fcec0f808bfe5abc4622cdf9bd7b","schema_version":"1.0","event_id":"sha256:91da739be7523f61fbe4f7c31ddc9b141267fcec0f808bfe5abc4622cdf9bd7b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:T2FDGIV6RWKIZOYTIK5XAVA5PT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Missing data in non-stationary multivariate time series from digital studies in Psychiatry","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"stat.ME","authors_text":"Charlotte R. Fowler, Dost Ongur, Habiballah Rahimi Eichi, Jukka-Pekka Onnela, Justin T. Baker, Linda Valeri, Lisa Dixon, Li Zeng, Xiaoxuan Cai","submitted_at":"2025-06-17T19:55:44Z","abstract_excerpt":"Mobile technology (e.g., mobile phones and wearable devices) provides scalable methods for collecting physiological and behavioral biomarkers in patients' naturalistic settings, as well as opportunities for therapeutic advancements and scientific discoveries regarding the etiology of psychiatric illness. Continuous data collection through mobile devices generates highly complex data: entangled multivariate time series of outcomes, exposures, and covariates. Missing data is a pervasive problem in biomedical and social science research, and Ecological Momentary Assessment (EMA) data in psychiatr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.14946","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/2506.14946/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":"2026-07-05T11:23:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5P4dt7rOmWgkbRO6AyBypw5mCDHbCnPz3aIvEzQXUD/6OjzVQXASVSOCd/l6ZmEANFHymcf1+jtG4xZfuMyeAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T11:12:44.157489Z"},"content_sha256":"9aac227af26965f50d48ce2edd8563022f77033bf055781d813de27f4f489a36","schema_version":"1.0","event_id":"sha256:9aac227af26965f50d48ce2edd8563022f77033bf055781d813de27f4f489a36"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T2FDGIV6RWKIZOYTIK5XAVA5PT/bundle.json","state_url":"https://pith.science/pith/T2FDGIV6RWKIZOYTIK5XAVA5PT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T2FDGIV6RWKIZOYTIK5XAVA5PT/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":"2026-07-17T11:12:44Z","links":{"resolver":"https://pith.science/pith/T2FDGIV6RWKIZOYTIK5XAVA5PT","bundle":"https://pith.science/pith/T2FDGIV6RWKIZOYTIK5XAVA5PT/bundle.json","state":"https://pith.science/pith/T2FDGIV6RWKIZOYTIK5XAVA5PT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T2FDGIV6RWKIZOYTIK5XAVA5PT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:T2FDGIV6RWKIZOYTIK5XAVA5PT","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":"197c094ebe51b53af878c9b73dde40ae9932158e1067cbdd590ffc259f434105","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"stat.ME","submitted_at":"2025-06-17T19:55:44Z","title_canon_sha256":"bf2c9bba7389f2aad0546efdcf4893836f6298c957dc5ee16102910f02d916b8"},"schema_version":"1.0","source":{"id":"2506.14946","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.14946","created_at":"2026-07-05T11:23:34Z"},{"alias_kind":"arxiv_version","alias_value":"2506.14946v1","created_at":"2026-07-05T11:23:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.14946","created_at":"2026-07-05T11:23:34Z"},{"alias_kind":"pith_short_12","alias_value":"T2FDGIV6RWKI","created_at":"2026-07-05T11:23:34Z"},{"alias_kind":"pith_short_16","alias_value":"T2FDGIV6RWKIZOYT","created_at":"2026-07-05T11:23:34Z"},{"alias_kind":"pith_short_8","alias_value":"T2FDGIV6","created_at":"2026-07-05T11:23:34Z"}],"graph_snapshots":[{"event_id":"sha256:9aac227af26965f50d48ce2edd8563022f77033bf055781d813de27f4f489a36","target":"graph","created_at":"2026-07-05T11:23:34Z","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/2506.14946/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Mobile technology (e.g., mobile phones and wearable devices) provides scalable methods for collecting physiological and behavioral biomarkers in patients' naturalistic settings, as well as opportunities for therapeutic advancements and scientific discoveries regarding the etiology of psychiatric illness. Continuous data collection through mobile devices generates highly complex data: entangled multivariate time series of outcomes, exposures, and covariates. Missing data is a pervasive problem in biomedical and social science research, and Ecological Momentary Assessment (EMA) data in psychiatr","authors_text":"Charlotte R. Fowler, Dost Ongur, Habiballah Rahimi Eichi, Jukka-Pekka Onnela, Justin T. Baker, Linda Valeri, Lisa Dixon, Li Zeng, Xiaoxuan Cai","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"stat.ME","submitted_at":"2025-06-17T19:55:44Z","title":"Missing data in non-stationary multivariate time series from digital studies in Psychiatry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.14946","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":"sha256:91da739be7523f61fbe4f7c31ddc9b141267fcec0f808bfe5abc4622cdf9bd7b","target":"record","created_at":"2026-07-05T11:23:34Z","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":"197c094ebe51b53af878c9b73dde40ae9932158e1067cbdd590ffc259f434105","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"stat.ME","submitted_at":"2025-06-17T19:55:44Z","title_canon_sha256":"bf2c9bba7389f2aad0546efdcf4893836f6298c957dc5ee16102910f02d916b8"},"schema_version":"1.0","source":{"id":"2506.14946","kind":"arxiv","version":1}},"canonical_sha256":"9e8a3322be8d948cbb1342bb70541d7cebff01e1c8cb1c125f7b62af9140fa30","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9e8a3322be8d948cbb1342bb70541d7cebff01e1c8cb1c125f7b62af9140fa30","first_computed_at":"2026-07-05T11:23:34.574956Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:23:34.574956Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QGdlVXmjB6ct5E1cj9dtqLiSYDBv9D/gauzKXBaRwBtxgJz4sxV3WaHoAn6DM+DYX+QXTqnpowzicD2TQIazCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:23:34.575430Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.14946","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:91da739be7523f61fbe4f7c31ddc9b141267fcec0f808bfe5abc4622cdf9bd7b","sha256:9aac227af26965f50d48ce2edd8563022f77033bf055781d813de27f4f489a36"],"state_sha256":"e699d6ebe057e5fd0be6df8eeaca4d0774cdbe8b1f35beba9b3cd1e239878ec5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uzbOL21Aum6Chhjk4V1Gyx0QZ+uwuV+EEwntb/RtTNdzdHDWXCsoZdMlVKoR0fCz2UggwIfu3pg8+58KS79YBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-17T11:12:44.159982Z","bundle_sha256":"b45662e4d80403e7a50bf29eaf3ce82e99e79c633ecf11a5143df1234356c290"}}