{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:OG4BODDLJ4Y2VMZTYGXS4T6KFZ","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":"ad3a518ab3181c7af96833cdebb3d0fc73c82635857792f68e5cbda18f20dcdf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-11-10T01:42:14Z","title_canon_sha256":"a21981d1a748dd3b241e39c790c532dbf5f4d37cc80f9e8ea955d3e43bcb484d"},"schema_version":"1.0","source":{"id":"1911.03822","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.03822","created_at":"2026-07-05T00:59:55Z"},{"alias_kind":"arxiv_version","alias_value":"1911.03822v2","created_at":"2026-07-05T00:59:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.03822","created_at":"2026-07-05T00:59:55Z"},{"alias_kind":"pith_short_12","alias_value":"OG4BODDLJ4Y2","created_at":"2026-07-05T00:59:55Z"},{"alias_kind":"pith_short_16","alias_value":"OG4BODDLJ4Y2VMZT","created_at":"2026-07-05T00:59:55Z"},{"alias_kind":"pith_short_8","alias_value":"OG4BODDL","created_at":"2026-07-05T00:59:55Z"}],"graph_snapshots":[{"event_id":"sha256:a7251f616a4970685517d1122fd1f630da6f26a403cd6a1687c04e8d841dfa76","target":"graph","created_at":"2026-07-05T00:59:55Z","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/1911.03822/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Natural language processing covers a wide variety of tasks predicting syntax, semantics, and information content, and usually each type of output is generated with specially designed architectures. In this paper, we provide the simple insight that a great variety of tasks can be represented in a single unified format consisting of labeling spans and relations between spans, thus a single task-independent model can be used across different tasks. We perform extensive experiments to test this insight on 10 disparate tasks spanning dependency parsing (syntax), semantic role labeling (semantics), ","authors_text":"Graham Neubig, Jun Araki, Wei Xu, Zhengbao Jiang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-11-10T01:42:14Z","title":"Generalizing Natural Language Analysis through Span-relation Representations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.03822","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":"sha256:743b0f8c8ba125362456107feb0bc6dcabb7d89554257b426c2f9537fecd2963","target":"record","created_at":"2026-07-05T00:59:55Z","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":"ad3a518ab3181c7af96833cdebb3d0fc73c82635857792f68e5cbda18f20dcdf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-11-10T01:42:14Z","title_canon_sha256":"a21981d1a748dd3b241e39c790c532dbf5f4d37cc80f9e8ea955d3e43bcb484d"},"schema_version":"1.0","source":{"id":"1911.03822","kind":"arxiv","version":2}},"canonical_sha256":"71b8170c6b4f31aab333c1af2e4fca2e65fb4af248622949eb1c06befcbe1d67","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"71b8170c6b4f31aab333c1af2e4fca2e65fb4af248622949eb1c06befcbe1d67","first_computed_at":"2026-07-05T00:59:55.305384Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:59:55.305384Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EZMgtOIm1jXvAV+Rahy8LXWcyiaIEw1RnR8NieI3euYfdb/qCcYYV8sYkK6ROa+uOX3WIJ9uIXmicHHtkic0DA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:59:55.306062Z","signed_message":"canonical_sha256_bytes"},"source_id":"1911.03822","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:743b0f8c8ba125362456107feb0bc6dcabb7d89554257b426c2f9537fecd2963","sha256:a7251f616a4970685517d1122fd1f630da6f26a403cd6a1687c04e8d841dfa76"],"state_sha256":"079087b20b169ee52a7ab8ea865b2e89b8e02abd9f42adbe9a844e30b40def65"}