{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:JNP6DUI2FEQALWQV6FZSK4WFLR","short_pith_number":"pith:JNP6DUI2","canonical_record":{"source":{"id":"1905.01420","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-05-04T03:22:55Z","cross_cats_sorted":[],"title_canon_sha256":"444cf1bb366e715de2ff9edb704c91ddbd4ced89fc9e0334eeee02bfd735a3fc","abstract_canon_sha256":"cce81efeedc1f89ec289995a0e5f0d89d00177436a4646ebd1ecd8101a8b7428"},"schema_version":"1.0"},"canonical_sha256":"4b5fe1d11a292005da15f1732572c55c54c7ffbbbc3ad3171f525a108113a76b","source":{"kind":"arxiv","id":"1905.01420","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.01420","created_at":"2026-05-17T23:47:00Z"},{"alias_kind":"arxiv_version","alias_value":"1905.01420v1","created_at":"2026-05-17T23:47:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.01420","created_at":"2026-05-17T23:47:00Z"},{"alias_kind":"pith_short_12","alias_value":"JNP6DUI2FEQA","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"JNP6DUI2FEQALWQV","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"JNP6DUI2","created_at":"2026-05-18T12:33:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:JNP6DUI2FEQALWQV6FZSK4WFLR","target":"record","payload":{"canonical_record":{"source":{"id":"1905.01420","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-05-04T03:22:55Z","cross_cats_sorted":[],"title_canon_sha256":"444cf1bb366e715de2ff9edb704c91ddbd4ced89fc9e0334eeee02bfd735a3fc","abstract_canon_sha256":"cce81efeedc1f89ec289995a0e5f0d89d00177436a4646ebd1ecd8101a8b7428"},"schema_version":"1.0"},"canonical_sha256":"4b5fe1d11a292005da15f1732572c55c54c7ffbbbc3ad3171f525a108113a76b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:00.708552Z","signature_b64":"DT068j6xzxIxUK19vaB7uWYYG/lXRqqSIGLG6xzR6g6+uX9it7JinJmmB3pNFjK/cBLQU0fyLlbAgIMshinTAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4b5fe1d11a292005da15f1732572c55c54c7ffbbbc3ad3171f525a108113a76b","last_reissued_at":"2026-05-17T23:47:00.707831Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:00.707831Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.01420","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":"2026-05-17T23:47:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BM8nZOiwXTIaaFIzM8TPDxRw199579kAKVlpWWSW5kYbKYYpX8K/eZUb0NhNA4amLdzzilW7B1oC6htgZ8wJBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:18:45.302546Z"},"content_sha256":"eb8347b3a6471732d0f18d1d86dea648c70b03bfe66a5f5a921190f07454a08f","schema_version":"1.0","event_id":"sha256:eb8347b3a6471732d0f18d1d86dea648c70b03bfe66a5f5a921190f07454a08f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:JNP6DUI2FEQALWQV6FZSK4WFLR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Contextualization of Morphological Inflection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Ekaterina Vylomova, Jason Eisner, Ryan Cotterell, Timothy Baldwin, Trevor Cohn","submitted_at":"2019-05-04T03:22:55Z","abstract_excerpt":"Critical to natural language generation is the production of correctly inflected text. In this paper, we isolate the task of predicting a fully inflected sentence from its partially lemmatized version. Unlike traditional morphological inflection or surface realization, our task input does not provide ``gold'' tags that specify what morphological features to realize on each lemmatized word; rather, such features must be inferred from sentential context. We develop a neural hybrid graphical model that explicitly reconstructs morphological features before predicting the inflected forms, and compa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.01420","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":""},"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":"2026-05-17T23:47:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"phT6Mq9sx1rvVbOlo4wSB93Sez+yS76okvTziGFV/AfXfBO1jv7m45nqkgqj2115Dt9iSauUo2XrDbi610bADg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:18:45.303210Z"},"content_sha256":"f1017f67f05f65d4501ad5dbb800bb05298b9ba5e158fd0fb31cd74879f41085","schema_version":"1.0","event_id":"sha256:f1017f67f05f65d4501ad5dbb800bb05298b9ba5e158fd0fb31cd74879f41085"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JNP6DUI2FEQALWQV6FZSK4WFLR/bundle.json","state_url":"https://pith.science/pith/JNP6DUI2FEQALWQV6FZSK4WFLR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JNP6DUI2FEQALWQV6FZSK4WFLR/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":"2026-05-26T20:18:45Z","links":{"resolver":"https://pith.science/pith/JNP6DUI2FEQALWQV6FZSK4WFLR","bundle":"https://pith.science/pith/JNP6DUI2FEQALWQV6FZSK4WFLR/bundle.json","state":"https://pith.science/pith/JNP6DUI2FEQALWQV6FZSK4WFLR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JNP6DUI2FEQALWQV6FZSK4WFLR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:JNP6DUI2FEQALWQV6FZSK4WFLR","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":"cce81efeedc1f89ec289995a0e5f0d89d00177436a4646ebd1ecd8101a8b7428","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-05-04T03:22:55Z","title_canon_sha256":"444cf1bb366e715de2ff9edb704c91ddbd4ced89fc9e0334eeee02bfd735a3fc"},"schema_version":"1.0","source":{"id":"1905.01420","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.01420","created_at":"2026-05-17T23:47:00Z"},{"alias_kind":"arxiv_version","alias_value":"1905.01420v1","created_at":"2026-05-17T23:47:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.01420","created_at":"2026-05-17T23:47:00Z"},{"alias_kind":"pith_short_12","alias_value":"JNP6DUI2FEQA","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"JNP6DUI2FEQALWQV","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"JNP6DUI2","created_at":"2026-05-18T12:33:21Z"}],"graph_snapshots":[{"event_id":"sha256:f1017f67f05f65d4501ad5dbb800bb05298b9ba5e158fd0fb31cd74879f41085","target":"graph","created_at":"2026-05-17T23:47:00Z","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"},"paper":{"abstract_excerpt":"Critical to natural language generation is the production of correctly inflected text. In this paper, we isolate the task of predicting a fully inflected sentence from its partially lemmatized version. Unlike traditional morphological inflection or surface realization, our task input does not provide ``gold'' tags that specify what morphological features to realize on each lemmatized word; rather, such features must be inferred from sentential context. We develop a neural hybrid graphical model that explicitly reconstructs morphological features before predicting the inflected forms, and compa","authors_text":"Ekaterina Vylomova, Jason Eisner, Ryan Cotterell, Timothy Baldwin, Trevor Cohn","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-05-04T03:22:55Z","title":"Contextualization of Morphological Inflection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.01420","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:eb8347b3a6471732d0f18d1d86dea648c70b03bfe66a5f5a921190f07454a08f","target":"record","created_at":"2026-05-17T23:47:00Z","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":"cce81efeedc1f89ec289995a0e5f0d89d00177436a4646ebd1ecd8101a8b7428","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-05-04T03:22:55Z","title_canon_sha256":"444cf1bb366e715de2ff9edb704c91ddbd4ced89fc9e0334eeee02bfd735a3fc"},"schema_version":"1.0","source":{"id":"1905.01420","kind":"arxiv","version":1}},"canonical_sha256":"4b5fe1d11a292005da15f1732572c55c54c7ffbbbc3ad3171f525a108113a76b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4b5fe1d11a292005da15f1732572c55c54c7ffbbbc3ad3171f525a108113a76b","first_computed_at":"2026-05-17T23:47:00.707831Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:47:00.707831Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DT068j6xzxIxUK19vaB7uWYYG/lXRqqSIGLG6xzR6g6+uX9it7JinJmmB3pNFjK/cBLQU0fyLlbAgIMshinTAw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:47:00.708552Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.01420","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eb8347b3a6471732d0f18d1d86dea648c70b03bfe66a5f5a921190f07454a08f","sha256:f1017f67f05f65d4501ad5dbb800bb05298b9ba5e158fd0fb31cd74879f41085"],"state_sha256":"1633374a90bf8e3f1ffa31788c8b81c7a617b159e5824f5f80168594153e5fb2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4K94+3I4nH02ivOscLaHe4ZM1eARDxHyBy2mzLU61rXrT3DZR7ekahNGIoFPaG6CtOnXnDWDqR77UajU4peZBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T20:18:45.306924Z","bundle_sha256":"da717b12da3cb6c0e1263780dd7334888f1d1ece125bb3f3a6510c6ab68cbbe0"}}