{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:S2CBCK4QKA6WCEHOY6EZWNFGHE","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":"620eeb06d8f3760e974c10bc3f70b5eee6a55d4548122599e09a7b14c2691045","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CL","submitted_at":"2025-09-25T23:48:33Z","title_canon_sha256":"ac5b3121d73fb02df9a6520ba2d88013d3fdb8f7bf9a4f084ec9c56cf0e2f218"},"schema_version":"1.0","source":{"id":"2509.21698","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2509.21698","created_at":"2026-05-20T01:04:58Z"},{"alias_kind":"arxiv_version","alias_value":"2509.21698v2","created_at":"2026-05-20T01:04:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.21698","created_at":"2026-05-20T01:04:58Z"},{"alias_kind":"pith_short_12","alias_value":"S2CBCK4QKA6W","created_at":"2026-05-20T01:04:58Z"},{"alias_kind":"pith_short_16","alias_value":"S2CBCK4QKA6WCEHO","created_at":"2026-05-20T01:04:58Z"},{"alias_kind":"pith_short_8","alias_value":"S2CBCK4Q","created_at":"2026-05-20T01:04:58Z"}],"graph_snapshots":[{"event_id":"sha256:acf6fca1cf00e64354c0d6e9a680c662850005da60c261b5b8cc9a4ecdbc8f37","target":"graph","created_at":"2026-05-20T01:04:58Z","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/2509.21698/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Risk categorization in 10-K risk disclosures matters for oversight and investment, yet no public benchmark evaluates unsupervised topic models for this task. We present GRAB, a finance-specific benchmark with 1.61M sentences from 8,247 filings and span-grounded sentence labels produced without manual annotation by combining FinBERT token attention, YAKE keyphrase signals, and taxonomy-aware collocation matching. Labels are anchored in a risk taxonomy mapping 193 terms to 21 fine-grained types nested under five macro classes; the 21 types guide weak supervision, while evaluation is reported at ","authors_text":"Tiejun Ma, Ying Li","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CL","submitted_at":"2025-09-25T23:48:33Z","title":"GRAB: A Risk Taxonomy--Grounded Benchmark for Unsupervised Topic Discovery in Financial Disclosures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.21698","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:a8b915a304fe0839a594218f09dc02e58f36e501347858f821ee159c5a0c84c9","target":"record","created_at":"2026-05-20T01:04:58Z","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":"620eeb06d8f3760e974c10bc3f70b5eee6a55d4548122599e09a7b14c2691045","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CL","submitted_at":"2025-09-25T23:48:33Z","title_canon_sha256":"ac5b3121d73fb02df9a6520ba2d88013d3fdb8f7bf9a4f084ec9c56cf0e2f218"},"schema_version":"1.0","source":{"id":"2509.21698","kind":"arxiv","version":2}},"canonical_sha256":"9684112b90503d6110eec7899b34a6391af21828253ac4c2c961259a49129748","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9684112b90503d6110eec7899b34a6391af21828253ac4c2c961259a49129748","first_computed_at":"2026-05-20T01:04:58.251406Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T01:04:58.251406Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mR/9SUyzeEoSoOF1TTWRL0qVDLcBMZypR4WWVcxZCNxc2BkZG7LJz5ZW7Fwhjt56y2kophRwxU3gg3h5QRMkDg==","signature_status":"signed_v1","signed_at":"2026-05-20T01:04:58.252416Z","signed_message":"canonical_sha256_bytes"},"source_id":"2509.21698","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a8b915a304fe0839a594218f09dc02e58f36e501347858f821ee159c5a0c84c9","sha256:acf6fca1cf00e64354c0d6e9a680c662850005da60c261b5b8cc9a4ecdbc8f37"],"state_sha256":"ddfecbfb2afa6f0c733151551f5110ccdd3d4243f2a0e21ba7aeb2b1d77450e5"}