{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:4WHVVSJRMVJH7JUM2U2SWWKJRU","short_pith_number":"pith:4WHVVSJR","canonical_record":{"source":{"id":"2605.28344","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.AP","submitted_at":"2026-05-27T11:48:45Z","cross_cats_sorted":[],"title_canon_sha256":"cad8fdf7c90b539a6b7234adf81ec86d0b3a93707a0ebbf1299c06035bfb8930","abstract_canon_sha256":"59cc28ab6d2d2e45e422e1aef68e1519f1fcb7af6ee142a407c4503c5e6ff627"},"schema_version":"1.0"},"canonical_sha256":"e58f5ac93165527fa68cd5352b59498d1738c76ace5c99359cebc4a54fb9ef3d","source":{"kind":"arxiv","id":"2605.28344","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.28344","created_at":"2026-05-28T01:05:13Z"},{"alias_kind":"arxiv_version","alias_value":"2605.28344v1","created_at":"2026-05-28T01:05:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.28344","created_at":"2026-05-28T01:05:13Z"},{"alias_kind":"pith_short_12","alias_value":"4WHVVSJRMVJH","created_at":"2026-05-28T01:05:13Z"},{"alias_kind":"pith_short_16","alias_value":"4WHVVSJRMVJH7JUM","created_at":"2026-05-28T01:05:13Z"},{"alias_kind":"pith_short_8","alias_value":"4WHVVSJR","created_at":"2026-05-28T01:05:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:4WHVVSJRMVJH7JUM2U2SWWKJRU","target":"record","payload":{"canonical_record":{"source":{"id":"2605.28344","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.AP","submitted_at":"2026-05-27T11:48:45Z","cross_cats_sorted":[],"title_canon_sha256":"cad8fdf7c90b539a6b7234adf81ec86d0b3a93707a0ebbf1299c06035bfb8930","abstract_canon_sha256":"59cc28ab6d2d2e45e422e1aef68e1519f1fcb7af6ee142a407c4503c5e6ff627"},"schema_version":"1.0"},"canonical_sha256":"e58f5ac93165527fa68cd5352b59498d1738c76ace5c99359cebc4a54fb9ef3d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-28T01:05:13.702063Z","signature_b64":"k2D7Vcd+XjplUFbDVjM4BSmHOollxzubzZwdV02FEGqWV+Ldz7So/pejOjUHptrtwDhwWeECw2p7Ugk/QkWvCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e58f5ac93165527fa68cd5352b59498d1738c76ace5c99359cebc4a54fb9ef3d","last_reissued_at":"2026-05-28T01:05:13.701654Z","signature_status":"signed_v1","first_computed_at":"2026-05-28T01:05:13.701654Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.28344","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":"2026-05-28T01:05:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jRHiH7mTzwHlnxs7U7AFgUbZJuF/pjkqV9pZvH8p+GvrmnwHOH8ljyiRt7wtLxr9g+oQAE6yiU0CMnSbot1jBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T06:17:06.616928Z"},"content_sha256":"a9f3c21c6eac7a7786eb18372cfad280d1072ea6e0dc87cde2c4bf5556df61ba","schema_version":"1.0","event_id":"sha256:a9f3c21c6eac7a7786eb18372cfad280d1072ea6e0dc87cde2c4bf5556df61ba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:4WHVVSJRMVJH7JUM2U2SWWKJRU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Capturing the Curve: Functional Data Analysis for Validated Digital Outcome Measures","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"stat.AP","authors_text":"Claire Maassen, James Carpenter, Julian Mustroph, Marco Palma, Marcos Matabuena, Mia S. Tackney, Michael Wester, Peter H. Charlton, Sofia S. Villar, Thomas Krammer","submitted_at":"2026-05-27T11:48:45Z","abstract_excerpt":"Digital health technologies enable high-frequency collection of data in near-continuous time and capture rich information about the health of individuals. The raw data collected by these devices often have a hierarchical functional structure: repeated physiological functions are observed over time and on multiple time scales (seconds, days, weeks). While many summaries can be derived from digital data, typically, only a small subset of pre-defined scalars is validated as outcome measures in clinical trials. We explore data-driven summaries based on between-subject scores from Multilevel Functi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.28344","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/2605.28344/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":"2026-05-28T01:05:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HNan/CZjKcNzAZkJm3qIxxev7N9giPwmMEg8+JTlx3yl2/9bJjGfjFIy3kRmXUuBADoxd6Fot4XA9dUXDwuYAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T06:17:06.617661Z"},"content_sha256":"0f07756cbd3807e6f38663f618863fa0d741158d6ea12ac8cce161e5da87403b","schema_version":"1.0","event_id":"sha256:0f07756cbd3807e6f38663f618863fa0d741158d6ea12ac8cce161e5da87403b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4WHVVSJRMVJH7JUM2U2SWWKJRU/bundle.json","state_url":"https://pith.science/pith/4WHVVSJRMVJH7JUM2U2SWWKJRU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4WHVVSJRMVJH7JUM2U2SWWKJRU/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":"2026-06-07T06:17:06Z","links":{"resolver":"https://pith.science/pith/4WHVVSJRMVJH7JUM2U2SWWKJRU","bundle":"https://pith.science/pith/4WHVVSJRMVJH7JUM2U2SWWKJRU/bundle.json","state":"https://pith.science/pith/4WHVVSJRMVJH7JUM2U2SWWKJRU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4WHVVSJRMVJH7JUM2U2SWWKJRU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:4WHVVSJRMVJH7JUM2U2SWWKJRU","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":"59cc28ab6d2d2e45e422e1aef68e1519f1fcb7af6ee142a407c4503c5e6ff627","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.AP","submitted_at":"2026-05-27T11:48:45Z","title_canon_sha256":"cad8fdf7c90b539a6b7234adf81ec86d0b3a93707a0ebbf1299c06035bfb8930"},"schema_version":"1.0","source":{"id":"2605.28344","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.28344","created_at":"2026-05-28T01:05:13Z"},{"alias_kind":"arxiv_version","alias_value":"2605.28344v1","created_at":"2026-05-28T01:05:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.28344","created_at":"2026-05-28T01:05:13Z"},{"alias_kind":"pith_short_12","alias_value":"4WHVVSJRMVJH","created_at":"2026-05-28T01:05:13Z"},{"alias_kind":"pith_short_16","alias_value":"4WHVVSJRMVJH7JUM","created_at":"2026-05-28T01:05:13Z"},{"alias_kind":"pith_short_8","alias_value":"4WHVVSJR","created_at":"2026-05-28T01:05:13Z"}],"graph_snapshots":[{"event_id":"sha256:0f07756cbd3807e6f38663f618863fa0d741158d6ea12ac8cce161e5da87403b","target":"graph","created_at":"2026-05-28T01:05:13Z","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/2605.28344/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Digital health technologies enable high-frequency collection of data in near-continuous time and capture rich information about the health of individuals. The raw data collected by these devices often have a hierarchical functional structure: repeated physiological functions are observed over time and on multiple time scales (seconds, days, weeks). While many summaries can be derived from digital data, typically, only a small subset of pre-defined scalars is validated as outcome measures in clinical trials. We explore data-driven summaries based on between-subject scores from Multilevel Functi","authors_text":"Claire Maassen, James Carpenter, Julian Mustroph, Marco Palma, Marcos Matabuena, Mia S. Tackney, Michael Wester, Peter H. Charlton, Sofia S. Villar, Thomas Krammer","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.AP","submitted_at":"2026-05-27T11:48:45Z","title":"Capturing the Curve: Functional Data Analysis for Validated Digital Outcome Measures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.28344","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:a9f3c21c6eac7a7786eb18372cfad280d1072ea6e0dc87cde2c4bf5556df61ba","target":"record","created_at":"2026-05-28T01:05:13Z","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":"59cc28ab6d2d2e45e422e1aef68e1519f1fcb7af6ee142a407c4503c5e6ff627","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.AP","submitted_at":"2026-05-27T11:48:45Z","title_canon_sha256":"cad8fdf7c90b539a6b7234adf81ec86d0b3a93707a0ebbf1299c06035bfb8930"},"schema_version":"1.0","source":{"id":"2605.28344","kind":"arxiv","version":1}},"canonical_sha256":"e58f5ac93165527fa68cd5352b59498d1738c76ace5c99359cebc4a54fb9ef3d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e58f5ac93165527fa68cd5352b59498d1738c76ace5c99359cebc4a54fb9ef3d","first_computed_at":"2026-05-28T01:05:13.701654Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-28T01:05:13.701654Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"k2D7Vcd+XjplUFbDVjM4BSmHOollxzubzZwdV02FEGqWV+Ldz7So/pejOjUHptrtwDhwWeECw2p7Ugk/QkWvCA==","signature_status":"signed_v1","signed_at":"2026-05-28T01:05:13.702063Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.28344","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a9f3c21c6eac7a7786eb18372cfad280d1072ea6e0dc87cde2c4bf5556df61ba","sha256:0f07756cbd3807e6f38663f618863fa0d741158d6ea12ac8cce161e5da87403b"],"state_sha256":"4d12fadc30efe2fa225a05adbe4c0d80462259db2cb058f371ca7f2112f39194"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RtvoxwKn+LFBqEmSaiOW/PBTQhiOZ8WhMrOsecOkgVFixqoyK1E0aLU/2XEruPyBgPsTs8S34MX3sJPwYz/4DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T06:17:06.621462Z","bundle_sha256":"455b117850859cddba13972d60304e8313dc0be3d0f2dff32276ab38be80c82a"}}