{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:EAX3XKCVDJMY4PXMLMTEQHPSVX","short_pith_number":"pith:EAX3XKCV","canonical_record":{"source":{"id":"1704.06936","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2017-04-23T15:16:53Z","cross_cats_sorted":[],"title_canon_sha256":"c44f6a79354ba1820c1a8dd9042e9eaed9d47bd8685315a9b0d726a6e2c5ad55","abstract_canon_sha256":"0f9095c32384eec75f942f1f650db5b9555acb9235ac21e2faf1ed89c47eff3a"},"schema_version":"1.0"},"canonical_sha256":"202fbba8551a598e3eec5b26481df2adcd740c0f184550ca908c97635d95e5bb","source":{"kind":"arxiv","id":"1704.06936","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.06936","created_at":"2026-05-18T00:45:55Z"},{"alias_kind":"arxiv_version","alias_value":"1704.06936v1","created_at":"2026-05-18T00:45:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.06936","created_at":"2026-05-18T00:45:55Z"},{"alias_kind":"pith_short_12","alias_value":"EAX3XKCVDJMY","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"EAX3XKCVDJMY4PXM","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"EAX3XKCV","created_at":"2026-05-18T12:31:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:EAX3XKCVDJMY4PXMLMTEQHPSVX","target":"record","payload":{"canonical_record":{"source":{"id":"1704.06936","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2017-04-23T15:16:53Z","cross_cats_sorted":[],"title_canon_sha256":"c44f6a79354ba1820c1a8dd9042e9eaed9d47bd8685315a9b0d726a6e2c5ad55","abstract_canon_sha256":"0f9095c32384eec75f942f1f650db5b9555acb9235ac21e2faf1ed89c47eff3a"},"schema_version":"1.0"},"canonical_sha256":"202fbba8551a598e3eec5b26481df2adcd740c0f184550ca908c97635d95e5bb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:45:55.279662Z","signature_b64":"iBfhsr0m2RP/JZlzeyMDeXvJLzdr5vvZ5zUhpvMY4j4hoUS0f54h8cS2PABDahQohYWH+YyZr1PB3wlzZRvaCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"202fbba8551a598e3eec5b26481df2adcd740c0f184550ca908c97635d95e5bb","last_reissued_at":"2026-05-18T00:45:55.279188Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:45:55.279188Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1704.06936","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":"2026-05-18T00:45:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kUPUrXpGWwAXwDX6p43Dx2Y73bB6D4xxFfl4bs6dI9HFArw/Q1Y5bZWOhMK/A38EL1pTjBccrLbEdSBWzUSmDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T19:01:07.474457Z"},"content_sha256":"1d2340af6c050927a106118598f9367731abfd1674d4497f2044d973a55ba50d","schema_version":"1.0","event_id":"sha256:1d2340af6c050927a106118598f9367731abfd1674d4497f2044d973a55ba50d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:EAX3XKCVDJMY4PXMLMTEQHPSVX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A* CCG Parsing with a Supertag and Dependency Factored Model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Hiroshi Noji, Masashi Yoshikawa, Yuji Matsumoto","submitted_at":"2017-04-23T15:16:53Z","abstract_excerpt":"We propose a new A* CCG parsing model in which the probability of a tree is decomposed into factors of CCG categories and its syntactic dependencies both defined on bi-directional LSTMs. Our factored model allows the precomputation of all probabilities and runs very efficiently, while modeling sentence structures explicitly via dependencies. Our model achieves the state-of-the-art results on English and Japanese CCG parsing."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.06936","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":"2026-05-18T00:45:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"noNJCvlCZ0SeCUeHo+aX6iZHefrFar7uwoSkjz4eX4JWDFExyYRvM9cADyT+7s3jlP1ABAOiiBgome+xnHaFDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T19:01:07.475189Z"},"content_sha256":"4a9a9815608d01f696c7a9a663b0d01ca19605836b6af6bc8e6a9ae40f37874d","schema_version":"1.0","event_id":"sha256:4a9a9815608d01f696c7a9a663b0d01ca19605836b6af6bc8e6a9ae40f37874d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EAX3XKCVDJMY4PXMLMTEQHPSVX/bundle.json","state_url":"https://pith.science/pith/EAX3XKCVDJMY4PXMLMTEQHPSVX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EAX3XKCVDJMY4PXMLMTEQHPSVX/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":"2026-06-06T19:01:07Z","links":{"resolver":"https://pith.science/pith/EAX3XKCVDJMY4PXMLMTEQHPSVX","bundle":"https://pith.science/pith/EAX3XKCVDJMY4PXMLMTEQHPSVX/bundle.json","state":"https://pith.science/pith/EAX3XKCVDJMY4PXMLMTEQHPSVX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EAX3XKCVDJMY4PXMLMTEQHPSVX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:EAX3XKCVDJMY4PXMLMTEQHPSVX","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":"0f9095c32384eec75f942f1f650db5b9555acb9235ac21e2faf1ed89c47eff3a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2017-04-23T15:16:53Z","title_canon_sha256":"c44f6a79354ba1820c1a8dd9042e9eaed9d47bd8685315a9b0d726a6e2c5ad55"},"schema_version":"1.0","source":{"id":"1704.06936","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.06936","created_at":"2026-05-18T00:45:55Z"},{"alias_kind":"arxiv_version","alias_value":"1704.06936v1","created_at":"2026-05-18T00:45:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.06936","created_at":"2026-05-18T00:45:55Z"},{"alias_kind":"pith_short_12","alias_value":"EAX3XKCVDJMY","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"EAX3XKCVDJMY4PXM","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"EAX3XKCV","created_at":"2026-05-18T12:31:12Z"}],"graph_snapshots":[{"event_id":"sha256:4a9a9815608d01f696c7a9a663b0d01ca19605836b6af6bc8e6a9ae40f37874d","target":"graph","created_at":"2026-05-18T00:45:55Z","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"},"paper":{"abstract_excerpt":"We propose a new A* CCG parsing model in which the probability of a tree is decomposed into factors of CCG categories and its syntactic dependencies both defined on bi-directional LSTMs. Our factored model allows the precomputation of all probabilities and runs very efficiently, while modeling sentence structures explicitly via dependencies. Our model achieves the state-of-the-art results on English and Japanese CCG parsing.","authors_text":"Hiroshi Noji, Masashi Yoshikawa, Yuji Matsumoto","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2017-04-23T15:16:53Z","title":"A* CCG Parsing with a Supertag and Dependency Factored Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.06936","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":"sha256:1d2340af6c050927a106118598f9367731abfd1674d4497f2044d973a55ba50d","target":"record","created_at":"2026-05-18T00:45:55Z","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":"0f9095c32384eec75f942f1f650db5b9555acb9235ac21e2faf1ed89c47eff3a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2017-04-23T15:16:53Z","title_canon_sha256":"c44f6a79354ba1820c1a8dd9042e9eaed9d47bd8685315a9b0d726a6e2c5ad55"},"schema_version":"1.0","source":{"id":"1704.06936","kind":"arxiv","version":1}},"canonical_sha256":"202fbba8551a598e3eec5b26481df2adcd740c0f184550ca908c97635d95e5bb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"202fbba8551a598e3eec5b26481df2adcd740c0f184550ca908c97635d95e5bb","first_computed_at":"2026-05-18T00:45:55.279188Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:45:55.279188Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iBfhsr0m2RP/JZlzeyMDeXvJLzdr5vvZ5zUhpvMY4j4hoUS0f54h8cS2PABDahQohYWH+YyZr1PB3wlzZRvaCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:45:55.279662Z","signed_message":"canonical_sha256_bytes"},"source_id":"1704.06936","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1d2340af6c050927a106118598f9367731abfd1674d4497f2044d973a55ba50d","sha256:4a9a9815608d01f696c7a9a663b0d01ca19605836b6af6bc8e6a9ae40f37874d"],"state_sha256":"3db2522494977a3fb92234dcbd9999ca398bd9951dae824c3282588dd9d7ff59"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SManUVhpLB90kjz5ljHK+ogaK0srGU1pwFAEHwGHUVBVx/srqOzfPe+v+FE4wdzFbThLAEEM6yIwAyPXZpNSDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T19:01:07.479329Z","bundle_sha256":"2758bc3123f3cc44bdb6fabfaafe2f5b1019776a081b08b7c3ecd1d1ea181e09"}}