{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:KOPKCJGX2SP4YEPLJTLLHCDUFL","short_pith_number":"pith:KOPKCJGX","canonical_record":{"source":{"id":"2307.09933","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-07-19T12:15:06Z","cross_cats_sorted":["cs.AI","cs.CV","stat.ML"],"title_canon_sha256":"113db802bec2984565c8f5401e26e0eff0062e6a2ae144eff749047740150a50","abstract_canon_sha256":"3b903df4caa39a5ea4a8af0a0941996a5d6edc8df0f15443ba4ec4f45bf768d0"},"schema_version":"1.0"},"canonical_sha256":"539ea124d7d49fcc11eb4cd6b388742adba36b19d9f0dc776aa76852e5baa805","source":{"kind":"arxiv","id":"2307.09933","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.09933","created_at":"2026-07-05T07:10:26Z"},{"alias_kind":"arxiv_version","alias_value":"2307.09933v2","created_at":"2026-07-05T07:10:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.09933","created_at":"2026-07-05T07:10:26Z"},{"alias_kind":"pith_short_12","alias_value":"KOPKCJGX2SP4","created_at":"2026-07-05T07:10:26Z"},{"alias_kind":"pith_short_16","alias_value":"KOPKCJGX2SP4YEPL","created_at":"2026-07-05T07:10:26Z"},{"alias_kind":"pith_short_8","alias_value":"KOPKCJGX","created_at":"2026-07-05T07:10:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:KOPKCJGX2SP4YEPLJTLLHCDUFL","target":"record","payload":{"canonical_record":{"source":{"id":"2307.09933","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-07-19T12:15:06Z","cross_cats_sorted":["cs.AI","cs.CV","stat.ML"],"title_canon_sha256":"113db802bec2984565c8f5401e26e0eff0062e6a2ae144eff749047740150a50","abstract_canon_sha256":"3b903df4caa39a5ea4a8af0a0941996a5d6edc8df0f15443ba4ec4f45bf768d0"},"schema_version":"1.0"},"canonical_sha256":"539ea124d7d49fcc11eb4cd6b388742adba36b19d9f0dc776aa76852e5baa805","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:10:26.600851Z","signature_b64":"N3xU6qR/SPABxJhyDGDO8TuEDXL4WZ5tTt1Y6oERj6hAXVf5iJI4FqSo1oGXrb/OdGc7B4kvSA318ATdYsa5DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"539ea124d7d49fcc11eb4cd6b388742adba36b19d9f0dc776aa76852e5baa805","last_reissued_at":"2026-07-05T07:10:26.600377Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:10:26.600377Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2307.09933","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T07:10:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XKZhF9vGb0QX9gwomCst896kU6SYqsZKyJHxPwWqQu1DjEatauoHCUwRz1AJ7Nh0tynafqo48Lb7qhfp4/2bAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T16:20:50.330752Z"},"content_sha256":"1e6439201774d1c6748561f20f79c952fa15ae3f527debb46d171589d4abf00d","schema_version":"1.0","event_id":"sha256:1e6439201774d1c6748561f20f79c952fa15ae3f527debb46d171589d4abf00d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:KOPKCJGX2SP4YEPLJTLLHCDUFL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spuriosity Didn't Kill the Classifier: Using Invariant Predictions to Harness Spurious Features","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI","cs.CV","stat.ML"],"primary_cat":"cs.LG","authors_text":"Andrei Liviu Nicolicioiu, Bernhard Sch\\\"olkopf, Cian Eastwood, Julius von K\\\"ugelgen, Marin Vlastelica, Shashank Singh","submitted_at":"2023-07-19T12:15:06Z","abstract_excerpt":"To avoid failures on out-of-distribution data, recent works have sought to extract features that have an invariant or stable relationship with the label across domains, discarding \"spurious\" or unstable features whose relationship with the label changes across domains. However, unstable features often carry complementary information that could boost performance if used correctly in the test domain. In this work, we show how this can be done without test-domain labels. In particular, we prove that pseudo-labels based on stable features provide sufficient guidance for doing so, provided that sta"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.09933","kind":"arxiv","version":2},"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/2307.09933/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":"2026-07-05T07:10:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZX6TFo3vL7to/ZvcRfgKSet0pjdrNmLhRpEiSNn5kvdrwqr/6GDyZll5C5pQAkNiJdc9u+KcYU5i4Jz/3GdyAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T16:20:50.331136Z"},"content_sha256":"ae5904cee12dfb857f4a6634567d90c9fe8215da73cdbfcc593b944ab8c031a6","schema_version":"1.0","event_id":"sha256:ae5904cee12dfb857f4a6634567d90c9fe8215da73cdbfcc593b944ab8c031a6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KOPKCJGX2SP4YEPLJTLLHCDUFL/bundle.json","state_url":"https://pith.science/pith/KOPKCJGX2SP4YEPLJTLLHCDUFL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KOPKCJGX2SP4YEPLJTLLHCDUFL/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":"2026-07-06T16:20:50Z","links":{"resolver":"https://pith.science/pith/KOPKCJGX2SP4YEPLJTLLHCDUFL","bundle":"https://pith.science/pith/KOPKCJGX2SP4YEPLJTLLHCDUFL/bundle.json","state":"https://pith.science/pith/KOPKCJGX2SP4YEPLJTLLHCDUFL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KOPKCJGX2SP4YEPLJTLLHCDUFL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:KOPKCJGX2SP4YEPLJTLLHCDUFL","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":"3b903df4caa39a5ea4a8af0a0941996a5d6edc8df0f15443ba4ec4f45bf768d0","cross_cats_sorted":["cs.AI","cs.CV","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-07-19T12:15:06Z","title_canon_sha256":"113db802bec2984565c8f5401e26e0eff0062e6a2ae144eff749047740150a50"},"schema_version":"1.0","source":{"id":"2307.09933","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.09933","created_at":"2026-07-05T07:10:26Z"},{"alias_kind":"arxiv_version","alias_value":"2307.09933v2","created_at":"2026-07-05T07:10:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.09933","created_at":"2026-07-05T07:10:26Z"},{"alias_kind":"pith_short_12","alias_value":"KOPKCJGX2SP4","created_at":"2026-07-05T07:10:26Z"},{"alias_kind":"pith_short_16","alias_value":"KOPKCJGX2SP4YEPL","created_at":"2026-07-05T07:10:26Z"},{"alias_kind":"pith_short_8","alias_value":"KOPKCJGX","created_at":"2026-07-05T07:10:26Z"}],"graph_snapshots":[{"event_id":"sha256:ae5904cee12dfb857f4a6634567d90c9fe8215da73cdbfcc593b944ab8c031a6","target":"graph","created_at":"2026-07-05T07:10:26Z","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/2307.09933/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"To avoid failures on out-of-distribution data, recent works have sought to extract features that have an invariant or stable relationship with the label across domains, discarding \"spurious\" or unstable features whose relationship with the label changes across domains. However, unstable features often carry complementary information that could boost performance if used correctly in the test domain. In this work, we show how this can be done without test-domain labels. In particular, we prove that pseudo-labels based on stable features provide sufficient guidance for doing so, provided that sta","authors_text":"Andrei Liviu Nicolicioiu, Bernhard Sch\\\"olkopf, Cian Eastwood, Julius von K\\\"ugelgen, Marin Vlastelica, Shashank Singh","cross_cats":["cs.AI","cs.CV","stat.ML"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-07-19T12:15:06Z","title":"Spuriosity Didn't Kill the Classifier: Using Invariant Predictions to Harness Spurious Features"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.09933","kind":"arxiv","version":2},"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":"sha256:1e6439201774d1c6748561f20f79c952fa15ae3f527debb46d171589d4abf00d","target":"record","created_at":"2026-07-05T07:10:26Z","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":"3b903df4caa39a5ea4a8af0a0941996a5d6edc8df0f15443ba4ec4f45bf768d0","cross_cats_sorted":["cs.AI","cs.CV","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-07-19T12:15:06Z","title_canon_sha256":"113db802bec2984565c8f5401e26e0eff0062e6a2ae144eff749047740150a50"},"schema_version":"1.0","source":{"id":"2307.09933","kind":"arxiv","version":2}},"canonical_sha256":"539ea124d7d49fcc11eb4cd6b388742adba36b19d9f0dc776aa76852e5baa805","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"539ea124d7d49fcc11eb4cd6b388742adba36b19d9f0dc776aa76852e5baa805","first_computed_at":"2026-07-05T07:10:26.600377Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:10:26.600377Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"N3xU6qR/SPABxJhyDGDO8TuEDXL4WZ5tTt1Y6oERj6hAXVf5iJI4FqSo1oGXrb/OdGc7B4kvSA318ATdYsa5DQ==","signature_status":"signed_v1","signed_at":"2026-07-05T07:10:26.600851Z","signed_message":"canonical_sha256_bytes"},"source_id":"2307.09933","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1e6439201774d1c6748561f20f79c952fa15ae3f527debb46d171589d4abf00d","sha256:ae5904cee12dfb857f4a6634567d90c9fe8215da73cdbfcc593b944ab8c031a6"],"state_sha256":"09dd538775d11758097b065685b0ee62c4ae9d59e3f4690aac1fce9b2bc94a64"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lVOT/QQIyP6HEYyIOrq4AvvX+YLaxbD+4UO6glyqoMxrKFzc5fPqDsJVZJsh2T+pY7pmXg3gn0sJmVVebrxtAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T16:20:50.333124Z","bundle_sha256":"c614e69916942104195a793c4edb38081689a7338cdf7a9bd5130239519fa22f"}}