{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:N3YA6ZJKNCVJWVPTP6BRNZMC62","short_pith_number":"pith:N3YA6ZJK","canonical_record":{"source":{"id":"2503.00730","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.ME","submitted_at":"2025-03-02T04:51:51Z","cross_cats_sorted":[],"title_canon_sha256":"e559f4d8f076a9aa6aa5776b596703076ffd89e993e39da3952ce6caefc51fb9","abstract_canon_sha256":"802a85c2e0cfac00950ab960ea490060cc09647a67d4d254be81cc41cc9aaccf"},"schema_version":"1.0"},"canonical_sha256":"6ef00f652a68aa9b55f37f8316e582f680109ac24262b5c46b55cdbd6587c1ba","source":{"kind":"arxiv","id":"2503.00730","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.00730","created_at":"2026-07-05T10:22:28Z"},{"alias_kind":"arxiv_version","alias_value":"2503.00730v1","created_at":"2026-07-05T10:22:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.00730","created_at":"2026-07-05T10:22:28Z"},{"alias_kind":"pith_short_12","alias_value":"N3YA6ZJKNCVJ","created_at":"2026-07-05T10:22:28Z"},{"alias_kind":"pith_short_16","alias_value":"N3YA6ZJKNCVJWVPT","created_at":"2026-07-05T10:22:28Z"},{"alias_kind":"pith_short_8","alias_value":"N3YA6ZJK","created_at":"2026-07-05T10:22:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:N3YA6ZJKNCVJWVPTP6BRNZMC62","target":"record","payload":{"canonical_record":{"source":{"id":"2503.00730","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.ME","submitted_at":"2025-03-02T04:51:51Z","cross_cats_sorted":[],"title_canon_sha256":"e559f4d8f076a9aa6aa5776b596703076ffd89e993e39da3952ce6caefc51fb9","abstract_canon_sha256":"802a85c2e0cfac00950ab960ea490060cc09647a67d4d254be81cc41cc9aaccf"},"schema_version":"1.0"},"canonical_sha256":"6ef00f652a68aa9b55f37f8316e582f680109ac24262b5c46b55cdbd6587c1ba","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:22:28.306291Z","signature_b64":"FqBA8XAXvsPFsJsWrSamP9wy3z/6pFZX6fzMbsRXs7jUtFZ6UfMOKlheiLozgA8jFP5J2ODs4pENZYAFSM0rDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6ef00f652a68aa9b55f37f8316e582f680109ac24262b5c46b55cdbd6587c1ba","last_reissued_at":"2026-07-05T10:22:28.305588Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:22:28.305588Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2503.00730","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":"2026-07-05T10:22:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TT07Kvx/aOWmqunLUjKu+xG6KD3SsMQLCTU5CVAFl8JxJYMFS1IzHjBJONvtwka48luZVAVwKTPkIxwdAbwRBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T11:08:27.457559Z"},"content_sha256":"eb19adca880e515440056cf6b87d351c65fd1555a6751dfb3c8969ce72c1ed98","schema_version":"1.0","event_id":"sha256:eb19adca880e515440056cf6b87d351c65fd1555a6751dfb3c8969ce72c1ed98"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:N3YA6ZJKNCVJWVPTP6BRNZMC62","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Time-Varying Causal Survival Learning","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"stat.ME","authors_text":"Iavor Bojinov, Xiang Meng","submitted_at":"2025-03-02T04:51:51Z","abstract_excerpt":"This work bridges the gap between staggered adoption designs and survival analysis to estimate causal effects in settings with time-varying treatments, addressing a fundamental challenge in medical research exemplified by the Stanford Heart Transplant study. In medical interventions, particularly organ transplantation, the timing of treatment varies significantly across patients due to factors such as donor availability and patient readiness, introducing potential bias in treatment effect estimation if not properly accounted for. We identify conditions under which staggered adoption assumption"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.00730","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/2503.00730/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":"2026-07-05T10:22:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s5h75IXnMWku6jly0reYujoR72Jke5Tlyluz+YmdTycO8oYwDMGdihn+V2hblAGb22b7sXtDESRWSDAMLVP5DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T11:08:27.457991Z"},"content_sha256":"816d1f5ca6a4524dde3b637fd77ed349d5db308060d4c39b56d838124f666a76","schema_version":"1.0","event_id":"sha256:816d1f5ca6a4524dde3b637fd77ed349d5db308060d4c39b56d838124f666a76"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N3YA6ZJKNCVJWVPTP6BRNZMC62/bundle.json","state_url":"https://pith.science/pith/N3YA6ZJKNCVJWVPTP6BRNZMC62/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N3YA6ZJKNCVJWVPTP6BRNZMC62/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":"2026-08-19T11:08:27Z","links":{"resolver":"https://pith.science/pith/N3YA6ZJKNCVJWVPTP6BRNZMC62","bundle":"https://pith.science/pith/N3YA6ZJKNCVJWVPTP6BRNZMC62/bundle.json","state":"https://pith.science/pith/N3YA6ZJKNCVJWVPTP6BRNZMC62/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N3YA6ZJKNCVJWVPTP6BRNZMC62/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:N3YA6ZJKNCVJWVPTP6BRNZMC62","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":"802a85c2e0cfac00950ab960ea490060cc09647a67d4d254be81cc41cc9aaccf","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.ME","submitted_at":"2025-03-02T04:51:51Z","title_canon_sha256":"e559f4d8f076a9aa6aa5776b596703076ffd89e993e39da3952ce6caefc51fb9"},"schema_version":"1.0","source":{"id":"2503.00730","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.00730","created_at":"2026-07-05T10:22:28Z"},{"alias_kind":"arxiv_version","alias_value":"2503.00730v1","created_at":"2026-07-05T10:22:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.00730","created_at":"2026-07-05T10:22:28Z"},{"alias_kind":"pith_short_12","alias_value":"N3YA6ZJKNCVJ","created_at":"2026-07-05T10:22:28Z"},{"alias_kind":"pith_short_16","alias_value":"N3YA6ZJKNCVJWVPT","created_at":"2026-07-05T10:22:28Z"},{"alias_kind":"pith_short_8","alias_value":"N3YA6ZJK","created_at":"2026-07-05T10:22:28Z"}],"graph_snapshots":[{"event_id":"sha256:816d1f5ca6a4524dde3b637fd77ed349d5db308060d4c39b56d838124f666a76","target":"graph","created_at":"2026-07-05T10:22:28Z","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/2503.00730/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This work bridges the gap between staggered adoption designs and survival analysis to estimate causal effects in settings with time-varying treatments, addressing a fundamental challenge in medical research exemplified by the Stanford Heart Transplant study. In medical interventions, particularly organ transplantation, the timing of treatment varies significantly across patients due to factors such as donor availability and patient readiness, introducing potential bias in treatment effect estimation if not properly accounted for. We identify conditions under which staggered adoption assumption","authors_text":"Iavor Bojinov, Xiang Meng","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.ME","submitted_at":"2025-03-02T04:51:51Z","title":"Time-Varying Causal Survival Learning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.00730","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:eb19adca880e515440056cf6b87d351c65fd1555a6751dfb3c8969ce72c1ed98","target":"record","created_at":"2026-07-05T10:22:28Z","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":"802a85c2e0cfac00950ab960ea490060cc09647a67d4d254be81cc41cc9aaccf","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.ME","submitted_at":"2025-03-02T04:51:51Z","title_canon_sha256":"e559f4d8f076a9aa6aa5776b596703076ffd89e993e39da3952ce6caefc51fb9"},"schema_version":"1.0","source":{"id":"2503.00730","kind":"arxiv","version":1}},"canonical_sha256":"6ef00f652a68aa9b55f37f8316e582f680109ac24262b5c46b55cdbd6587c1ba","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6ef00f652a68aa9b55f37f8316e582f680109ac24262b5c46b55cdbd6587c1ba","first_computed_at":"2026-07-05T10:22:28.305588Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:22:28.305588Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FqBA8XAXvsPFsJsWrSamP9wy3z/6pFZX6fzMbsRXs7jUtFZ6UfMOKlheiLozgA8jFP5J2ODs4pENZYAFSM0rDg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:22:28.306291Z","signed_message":"canonical_sha256_bytes"},"source_id":"2503.00730","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eb19adca880e515440056cf6b87d351c65fd1555a6751dfb3c8969ce72c1ed98","sha256:816d1f5ca6a4524dde3b637fd77ed349d5db308060d4c39b56d838124f666a76"],"state_sha256":"ed93797e299200f5120b6b6ecb2d1ad503374661f764bf4cdcee0cd10ad815e5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7MHICaf6hz7iOF3TRWpK+XgY62/49PXt/uCPBfpe2yac0wTM4Wo6lppSln1cbz4zHtZnxP8TE+oC07N8HNUXAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T11:08:27.461152Z","bundle_sha256":"1369ed85500a1448cc0acdc2badbb49b03ea939b9fab93002cf75658f0a71f2c"}}