{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:2GUQKT5FSPUUWO242RGSY42KCT","short_pith_number":"pith:2GUQKT5F","canonical_record":{"source":{"id":"2501.11851","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CL","submitted_at":"2025-01-21T03:08:37Z","cross_cats_sorted":[],"title_canon_sha256":"6851252908ce31dd443a1ee6d7ab19b35c266bda4dcdcf2766c8edb116b02f0b","abstract_canon_sha256":"ad2a73dd2681bbbc3b93f0bb4c07b08fac0bdd9a03c055dddc20040d52845645"},"schema_version":"1.0"},"canonical_sha256":"d1a9054fa593e94b3b5cd44d2c734a14c3aead4e93d20c2c3246398692c24222","source":{"kind":"arxiv","id":"2501.11851","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.11851","created_at":"2026-07-05T10:03:14Z"},{"alias_kind":"arxiv_version","alias_value":"2501.11851v1","created_at":"2026-07-05T10:03:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.11851","created_at":"2026-07-05T10:03:14Z"},{"alias_kind":"pith_short_12","alias_value":"2GUQKT5FSPUU","created_at":"2026-07-05T10:03:14Z"},{"alias_kind":"pith_short_16","alias_value":"2GUQKT5FSPUUWO24","created_at":"2026-07-05T10:03:14Z"},{"alias_kind":"pith_short_8","alias_value":"2GUQKT5F","created_at":"2026-07-05T10:03:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:2GUQKT5FSPUUWO242RGSY42KCT","target":"record","payload":{"canonical_record":{"source":{"id":"2501.11851","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CL","submitted_at":"2025-01-21T03:08:37Z","cross_cats_sorted":[],"title_canon_sha256":"6851252908ce31dd443a1ee6d7ab19b35c266bda4dcdcf2766c8edb116b02f0b","abstract_canon_sha256":"ad2a73dd2681bbbc3b93f0bb4c07b08fac0bdd9a03c055dddc20040d52845645"},"schema_version":"1.0"},"canonical_sha256":"d1a9054fa593e94b3b5cd44d2c734a14c3aead4e93d20c2c3246398692c24222","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:03:14.949345Z","signature_b64":"+uW59QVAWfsmqitlI30yBjIHJQWEhzkZLdbXIOMeRMRgfUE0yVqc5/swTkmeSBdBYHsy1T6fgORT3CvIKryqCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d1a9054fa593e94b3b5cd44d2c734a14c3aead4e93d20c2c3246398692c24222","last_reissued_at":"2026-07-05T10:03:14.948992Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:03:14.948992Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2501.11851","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":"2026-07-05T10:03:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i1HsO0Awf8CrZr7H7nY0pEmGqieyIM+5KgiIfdAdv34Crv9KNeRP7dwWRRC9uQeAM6rJry/bgjzTEkZW0hLEBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T17:45:12.641145Z"},"content_sha256":"10ea433465cbaa10828cfe9db979045d5bb9ec361e52f7efea044113d90d6e29","schema_version":"1.0","event_id":"sha256:10ea433465cbaa10828cfe9db979045d5bb9ec361e52f7efea044113d90d6e29"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:2GUQKT5FSPUUWO242RGSY42KCT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Challenges in Expanding Portuguese Resources: A View from Open Information Extraction","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Bruno Cabral, Daniela Claro, Lais Salvador, Marlo Souza","submitted_at":"2025-01-21T03:08:37Z","abstract_excerpt":"Open Information Extraction (Open IE) is the task of extracting structured information from textual documents, independent of domain. While traditional Open IE methods were based on unsupervised approaches, recently, with the emergence of robust annotated datasets, new data-based approaches have been developed to achieve better results. These innovations, however, have focused mainly on the English language due to a lack of datasets and the difficulty of constructing such resources for other languages. In this work, we present a high-quality manually annotated corpus for Open Information Extra"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.11851","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2501.11851/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":"2026-07-05T10:03:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1fJy1VDW7monwQRA/mArBzpcdyvAMY3wyeldI56KgeBT/x1YVFXL9mvjdTS2c7qVxI7TXyN0s8UvcpTxWbvPAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T17:45:12.642025Z"},"content_sha256":"ebe665b11cfbd90486191b01de78114f6ce768c94a80dfa7f532282a14e56b48","schema_version":"1.0","event_id":"sha256:ebe665b11cfbd90486191b01de78114f6ce768c94a80dfa7f532282a14e56b48"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2GUQKT5FSPUUWO242RGSY42KCT/bundle.json","state_url":"https://pith.science/pith/2GUQKT5FSPUUWO242RGSY42KCT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2GUQKT5FSPUUWO242RGSY42KCT/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":"2026-08-19T17:45:12Z","links":{"resolver":"https://pith.science/pith/2GUQKT5FSPUUWO242RGSY42KCT","bundle":"https://pith.science/pith/2GUQKT5FSPUUWO242RGSY42KCT/bundle.json","state":"https://pith.science/pith/2GUQKT5FSPUUWO242RGSY42KCT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2GUQKT5FSPUUWO242RGSY42KCT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:2GUQKT5FSPUUWO242RGSY42KCT","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":"ad2a73dd2681bbbc3b93f0bb4c07b08fac0bdd9a03c055dddc20040d52845645","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CL","submitted_at":"2025-01-21T03:08:37Z","title_canon_sha256":"6851252908ce31dd443a1ee6d7ab19b35c266bda4dcdcf2766c8edb116b02f0b"},"schema_version":"1.0","source":{"id":"2501.11851","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.11851","created_at":"2026-07-05T10:03:14Z"},{"alias_kind":"arxiv_version","alias_value":"2501.11851v1","created_at":"2026-07-05T10:03:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.11851","created_at":"2026-07-05T10:03:14Z"},{"alias_kind":"pith_short_12","alias_value":"2GUQKT5FSPUU","created_at":"2026-07-05T10:03:14Z"},{"alias_kind":"pith_short_16","alias_value":"2GUQKT5FSPUUWO24","created_at":"2026-07-05T10:03:14Z"},{"alias_kind":"pith_short_8","alias_value":"2GUQKT5F","created_at":"2026-07-05T10:03:14Z"}],"graph_snapshots":[{"event_id":"sha256:ebe665b11cfbd90486191b01de78114f6ce768c94a80dfa7f532282a14e56b48","target":"graph","created_at":"2026-07-05T10:03:14Z","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/2501.11851/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Open Information Extraction (Open IE) is the task of extracting structured information from textual documents, independent of domain. While traditional Open IE methods were based on unsupervised approaches, recently, with the emergence of robust annotated datasets, new data-based approaches have been developed to achieve better results. These innovations, however, have focused mainly on the English language due to a lack of datasets and the difficulty of constructing such resources for other languages. In this work, we present a high-quality manually annotated corpus for Open Information Extra","authors_text":"Bruno Cabral, Daniela Claro, Lais Salvador, Marlo Souza","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CL","submitted_at":"2025-01-21T03:08:37Z","title":"Challenges in Expanding Portuguese Resources: A View from Open Information Extraction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.11851","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":"sha256:10ea433465cbaa10828cfe9db979045d5bb9ec361e52f7efea044113d90d6e29","target":"record","created_at":"2026-07-05T10:03:14Z","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":"ad2a73dd2681bbbc3b93f0bb4c07b08fac0bdd9a03c055dddc20040d52845645","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CL","submitted_at":"2025-01-21T03:08:37Z","title_canon_sha256":"6851252908ce31dd443a1ee6d7ab19b35c266bda4dcdcf2766c8edb116b02f0b"},"schema_version":"1.0","source":{"id":"2501.11851","kind":"arxiv","version":1}},"canonical_sha256":"d1a9054fa593e94b3b5cd44d2c734a14c3aead4e93d20c2c3246398692c24222","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d1a9054fa593e94b3b5cd44d2c734a14c3aead4e93d20c2c3246398692c24222","first_computed_at":"2026-07-05T10:03:14.948992Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:03:14.948992Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+uW59QVAWfsmqitlI30yBjIHJQWEhzkZLdbXIOMeRMRgfUE0yVqc5/swTkmeSBdBYHsy1T6fgORT3CvIKryqCA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:03:14.949345Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.11851","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:10ea433465cbaa10828cfe9db979045d5bb9ec361e52f7efea044113d90d6e29","sha256:ebe665b11cfbd90486191b01de78114f6ce768c94a80dfa7f532282a14e56b48"],"state_sha256":"20d9f6f2406be4d7b67e0426b150cd173e0f00c99d067fbd7e2c239f4d83f769"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eIpPJTIJrgG9AUCqMWrtzUrNDDLwcILKY/vw4Xv41zf2o5YJjmvv0lHqCttJV8yIIcZnpJC//pF1dN3RnhMmAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T17:45:12.647192Z","bundle_sha256":"f624ab9dedcdf1c81b46cba94c540ba1ac39bf08715bc911c0d32c890c437ba8"}}