{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:56J5SQV7KW7MNQ7DWYIAAWN6OP","short_pith_number":"pith:56J5SQV7","canonical_record":{"source":{"id":"2212.11254","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2022-12-21T18:30:22Z","cross_cats_sorted":["cs.AI","cs.LG"],"title_canon_sha256":"2e7538fcdc3bafeb346602036f1d69162b53dd82071c3b3f7b9adebfdf20fab0","abstract_canon_sha256":"c340cde108f3ec2c9696ecd78a14f55a2fbea5ca09df55bc28f524fed9674ff1"},"schema_version":"1.0"},"canonical_sha256":"ef93d942bf55bec6c3e3b6100059be73fd445a2b45d0ecfc92560cf6582d9ef1","source":{"kind":"arxiv","id":"2212.11254","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.11254","created_at":"2026-07-05T05:27:28Z"},{"alias_kind":"arxiv_version","alias_value":"2212.11254v1","created_at":"2026-07-05T05:27:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.11254","created_at":"2026-07-05T05:27:28Z"},{"alias_kind":"pith_short_12","alias_value":"56J5SQV7KW7M","created_at":"2026-07-05T05:27:28Z"},{"alias_kind":"pith_short_16","alias_value":"56J5SQV7KW7MNQ7D","created_at":"2026-07-05T05:27:28Z"},{"alias_kind":"pith_short_8","alias_value":"56J5SQV7","created_at":"2026-07-05T05:27:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:56J5SQV7KW7MNQ7DWYIAAWN6OP","target":"record","payload":{"canonical_record":{"source":{"id":"2212.11254","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2022-12-21T18:30:22Z","cross_cats_sorted":["cs.AI","cs.LG"],"title_canon_sha256":"2e7538fcdc3bafeb346602036f1d69162b53dd82071c3b3f7b9adebfdf20fab0","abstract_canon_sha256":"c340cde108f3ec2c9696ecd78a14f55a2fbea5ca09df55bc28f524fed9674ff1"},"schema_version":"1.0"},"canonical_sha256":"ef93d942bf55bec6c3e3b6100059be73fd445a2b45d0ecfc92560cf6582d9ef1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:27:28.858189Z","signature_b64":"/hfKsnyrW9PTh9DweMZLhY8JH8QCOH6PHMS5xOqGMina743UQjeO8qlY2dOab3aFABX23f1wn4WuhZR84YuuAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ef93d942bf55bec6c3e3b6100059be73fd445a2b45d0ecfc92560cf6582d9ef1","last_reissued_at":"2026-07-05T05:27:28.857780Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:27:28.857780Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2212.11254","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":"2026-07-05T05:27:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eBWCg7587u6Esi1c3uyLvcOWJu8TCXC2AF7/aFeN3O8AbGtwOy1a3nIRr8KVaG297mifN2pFuKL9OQhaxE+zBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T23:37:31.709378Z"},"content_sha256":"43b00d6324f8b07f03a7a29a9e33beebfac1ee2b4afac45cac77858ab8745d87","schema_version":"1.0","event_id":"sha256:43b00d6324f8b07f03a7a29a9e33beebfac1ee2b4afac45cac77858ab8745d87"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:56J5SQV7KW7MNQ7DWYIAAWN6OP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Adapting to Latent Subgroup Shifts via Concepts and Proxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI","cs.LG"],"primary_cat":"stat.ML","authors_text":"Alexander D'Amour, Arthur Gretton, Ibrahim Alabdulmohsin, Jessica Schrouff, Katherine Tsai, Matt J. Kusner, Nicole Chiou, Olawale Salaudeen, Sanmi Koyejo, Stephen R. Pfohl","submitted_at":"2022-12-21T18:30:22Z","abstract_excerpt":"We address the problem of unsupervised domain adaptation when the source domain differs from the target domain because of a shift in the distribution of a latent subgroup. When this subgroup confounds all observed data, neither covariate shift nor label shift assumptions apply. We show that the optimal target predictor can be non-parametrically identified with the help of concept and proxy variables available only in the source domain, and unlabeled data from the target. The identification results are constructive, immediately suggesting an algorithm for estimating the optimal predictor in the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.11254","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/2212.11254/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":"2026-07-05T05:27:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6tdyjwTh3gsbX/+GDz+rz4gVax445Pf2hrfh/1BwJzNW/624lruXK4vcHKFrtWdQu0Rht9AIgZmlPhBu/YzaBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T23:37:31.709948Z"},"content_sha256":"cdff8bf8d0c27fcf39b3b93e8898248c7d91dd137da83b13c6a09daec2374163","schema_version":"1.0","event_id":"sha256:cdff8bf8d0c27fcf39b3b93e8898248c7d91dd137da83b13c6a09daec2374163"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/56J5SQV7KW7MNQ7DWYIAAWN6OP/bundle.json","state_url":"https://pith.science/pith/56J5SQV7KW7MNQ7DWYIAAWN6OP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/56J5SQV7KW7MNQ7DWYIAAWN6OP/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":"2026-08-23T23:37:31Z","links":{"resolver":"https://pith.science/pith/56J5SQV7KW7MNQ7DWYIAAWN6OP","bundle":"https://pith.science/pith/56J5SQV7KW7MNQ7DWYIAAWN6OP/bundle.json","state":"https://pith.science/pith/56J5SQV7KW7MNQ7DWYIAAWN6OP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/56J5SQV7KW7MNQ7DWYIAAWN6OP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:56J5SQV7KW7MNQ7DWYIAAWN6OP","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":"c340cde108f3ec2c9696ecd78a14f55a2fbea5ca09df55bc28f524fed9674ff1","cross_cats_sorted":["cs.AI","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2022-12-21T18:30:22Z","title_canon_sha256":"2e7538fcdc3bafeb346602036f1d69162b53dd82071c3b3f7b9adebfdf20fab0"},"schema_version":"1.0","source":{"id":"2212.11254","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.11254","created_at":"2026-07-05T05:27:28Z"},{"alias_kind":"arxiv_version","alias_value":"2212.11254v1","created_at":"2026-07-05T05:27:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.11254","created_at":"2026-07-05T05:27:28Z"},{"alias_kind":"pith_short_12","alias_value":"56J5SQV7KW7M","created_at":"2026-07-05T05:27:28Z"},{"alias_kind":"pith_short_16","alias_value":"56J5SQV7KW7MNQ7D","created_at":"2026-07-05T05:27:28Z"},{"alias_kind":"pith_short_8","alias_value":"56J5SQV7","created_at":"2026-07-05T05:27:28Z"}],"graph_snapshots":[{"event_id":"sha256:cdff8bf8d0c27fcf39b3b93e8898248c7d91dd137da83b13c6a09daec2374163","target":"graph","created_at":"2026-07-05T05:27:28Z","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/2212.11254/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We address the problem of unsupervised domain adaptation when the source domain differs from the target domain because of a shift in the distribution of a latent subgroup. When this subgroup confounds all observed data, neither covariate shift nor label shift assumptions apply. We show that the optimal target predictor can be non-parametrically identified with the help of concept and proxy variables available only in the source domain, and unlabeled data from the target. The identification results are constructive, immediately suggesting an algorithm for estimating the optimal predictor in the","authors_text":"Alexander D'Amour, Arthur Gretton, Ibrahim Alabdulmohsin, Jessica Schrouff, Katherine Tsai, Matt J. Kusner, Nicole Chiou, Olawale Salaudeen, Sanmi Koyejo, Stephen R. Pfohl","cross_cats":["cs.AI","cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2022-12-21T18:30:22Z","title":"Adapting to Latent Subgroup Shifts via Concepts and Proxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.11254","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":"sha256:43b00d6324f8b07f03a7a29a9e33beebfac1ee2b4afac45cac77858ab8745d87","target":"record","created_at":"2026-07-05T05:27:28Z","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":"c340cde108f3ec2c9696ecd78a14f55a2fbea5ca09df55bc28f524fed9674ff1","cross_cats_sorted":["cs.AI","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2022-12-21T18:30:22Z","title_canon_sha256":"2e7538fcdc3bafeb346602036f1d69162b53dd82071c3b3f7b9adebfdf20fab0"},"schema_version":"1.0","source":{"id":"2212.11254","kind":"arxiv","version":1}},"canonical_sha256":"ef93d942bf55bec6c3e3b6100059be73fd445a2b45d0ecfc92560cf6582d9ef1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ef93d942bf55bec6c3e3b6100059be73fd445a2b45d0ecfc92560cf6582d9ef1","first_computed_at":"2026-07-05T05:27:28.857780Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:27:28.857780Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/hfKsnyrW9PTh9DweMZLhY8JH8QCOH6PHMS5xOqGMina743UQjeO8qlY2dOab3aFABX23f1wn4WuhZR84YuuAA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:27:28.858189Z","signed_message":"canonical_sha256_bytes"},"source_id":"2212.11254","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:43b00d6324f8b07f03a7a29a9e33beebfac1ee2b4afac45cac77858ab8745d87","sha256:cdff8bf8d0c27fcf39b3b93e8898248c7d91dd137da83b13c6a09daec2374163"],"state_sha256":"c6db9e552d663a87ff246f899a1599c0cabda6b06accacdd2a66794389fd7037"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1Nkf+soH7tR/W2VLGH+8WdDgK+Hm8+NrHXsjjvqg5e0FBaaU3i+JIe/TPaQDZdhEHtvIn7ky3pisA++tgn34DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T23:37:31.715096Z","bundle_sha256":"c722bbc6948d73fa7cb3b6d11bd4ab3686c454e537266b9a426af7c0632cc367"}}