{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:GC23YPONLMDWYSCZHSSQPMINTD","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":"155aefddaed2cd973340a44a0665125fa18433de61449bbbfd13a9dcb5381ba4","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2022-07-12T16:49:28Z","title_canon_sha256":"d99666a5dd507096cae41d9a39857441f3817098c72e3a6ebc6b38e73179fcd4"},"schema_version":"1.0","source":{"id":"2207.05666","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.05666","created_at":"2026-07-05T04:39:45Z"},{"alias_kind":"arxiv_version","alias_value":"2207.05666v1","created_at":"2026-07-05T04:39:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.05666","created_at":"2026-07-05T04:39:45Z"},{"alias_kind":"pith_short_12","alias_value":"GC23YPONLMDW","created_at":"2026-07-05T04:39:45Z"},{"alias_kind":"pith_short_16","alias_value":"GC23YPONLMDWYSCZ","created_at":"2026-07-05T04:39:45Z"},{"alias_kind":"pith_short_8","alias_value":"GC23YPON","created_at":"2026-07-05T04:39:45Z"}],"graph_snapshots":[{"event_id":"sha256:91402b57b7ef46128ef9654588518494167a5216ac35cabc7769bab8fccfc883","target":"graph","created_at":"2026-07-05T04:39:45Z","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/2207.05666/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Pretrained multilingual encoders enable zero-shot cross-lingual transfer, but often produce unreliable models that exhibit high performance variance on the target language. We postulate that this high variance results from zero-shot cross-lingual transfer solving an under-specified optimization problem. We show that any linear-interpolated model between the source language monolingual model and source + target bilingual model has equally low source language generalization error, yet the target language generalization error reduces smoothly and linearly as we move from the monolingual to biling","authors_text":"Benjamin Van Durme, Mark Dredze, Shijie Wu","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2022-07-12T16:49:28Z","title":"Zero-shot Cross-lingual Transfer is Under-specified Optimization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.05666","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":"sha256:32e8e8251e26bbc653f6e084f2e888e2223fe0f5abe565d4dc9353341628db92","target":"record","created_at":"2026-07-05T04:39:45Z","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":"155aefddaed2cd973340a44a0665125fa18433de61449bbbfd13a9dcb5381ba4","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2022-07-12T16:49:28Z","title_canon_sha256":"d99666a5dd507096cae41d9a39857441f3817098c72e3a6ebc6b38e73179fcd4"},"schema_version":"1.0","source":{"id":"2207.05666","kind":"arxiv","version":1}},"canonical_sha256":"30b5bc3dcd5b076c48593ca507b10d98e6e857a13a0415e9656a2221c7513568","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"30b5bc3dcd5b076c48593ca507b10d98e6e857a13a0415e9656a2221c7513568","first_computed_at":"2026-07-05T04:39:45.237707Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:39:45.237707Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1F0ITbE1HoDSd0mGb855KQXObgAuEflPe/3EFcbBpNyDiMHCuL3KuqQZfxxC1DL9CgoTs6yqIFNW71zKoPg+Ag==","signature_status":"signed_v1","signed_at":"2026-07-05T04:39:45.238161Z","signed_message":"canonical_sha256_bytes"},"source_id":"2207.05666","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:32e8e8251e26bbc653f6e084f2e888e2223fe0f5abe565d4dc9353341628db92","sha256:91402b57b7ef46128ef9654588518494167a5216ac35cabc7769bab8fccfc883"],"state_sha256":"08930beaa308576cc475c26ffcf57d4a26e903ee94f7f3f697966d074684f5fd"}