{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:XD5EBYAOAING2OICMPYMF27DIG","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":"80c549a534d9e0d9afafd3d2fd23379fdf17d739b28b91d6173cc502e9e8e45a","cross_cats_sorted":["cs.CV"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-07-28T15:27:53Z","title_canon_sha256":"91bfa9cf3e29735b685fe46dc71a8d9cb7d4b942443c958c6146b16dc3c11486"},"schema_version":"1.0","source":{"id":"2607.25857","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.25857","created_at":"2026-07-29T01:26:07Z"},{"alias_kind":"arxiv_version","alias_value":"2607.25857v1","created_at":"2026-07-29T01:26:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.25857","created_at":"2026-07-29T01:26:07Z"},{"alias_kind":"pith_short_12","alias_value":"XD5EBYAOAING","created_at":"2026-07-29T01:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"XD5EBYAOAING2OIC","created_at":"2026-07-29T01:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"XD5EBYAO","created_at":"2026-07-29T01:26:07Z"}],"graph_snapshots":[{"event_id":"sha256:52d017c1be04e093556f69d5197d749aff02e9025f833a891b1863aa5ce4a411","target":"graph","created_at":"2026-07-29T01:26:07Z","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/2607.25857/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We introduce Shieldstral, a 3B-parameter policy-adaptive multimodal safety classifier that matches or outperforms models nearly 7$\\times$ its size on text safety benchmarks and sets a new state of the art on multimodal safety classification. Shieldstral formulates content moderation as a binary question-answering task. This simple formulation unifies diverse moderation tasks into a single yes/no problem, enabling heterogeneous safety datasets with divergent taxonomies to be consolidated under one training framework. We present the data construction recipe, covering curation and generation of a","authors_text":"Antonia Calvi, Avinash Sooriyarachchi, Giada Pistilli, Guillaume Lample, Maarten Buyl, Maximilian Augustin, Maximilian M\\\"uller, Pierre Stock, Tom Bewley, Wassim Bouaziz, Yimu Pan","cross_cats":["cs.CV"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-07-28T15:27:53Z","title":"Shieldstral"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.25857","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:a2e4057b5764a6b166bc6c72b277d08883e0096dec43b0df0c5c2ad99251dd34","target":"record","created_at":"2026-07-29T01:26:07Z","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":"80c549a534d9e0d9afafd3d2fd23379fdf17d739b28b91d6173cc502e9e8e45a","cross_cats_sorted":["cs.CV"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-07-28T15:27:53Z","title_canon_sha256":"91bfa9cf3e29735b685fe46dc71a8d9cb7d4b942443c958c6146b16dc3c11486"},"schema_version":"1.0","source":{"id":"2607.25857","kind":"arxiv","version":1}},"canonical_sha256":"b8fa40e00e021a6d390263f0c2ebe341915d24629371a88f9036b5624c0df343","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b8fa40e00e021a6d390263f0c2ebe341915d24629371a88f9036b5624c0df343","first_computed_at":"2026-07-29T01:26:07.112988Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-29T01:26:07.112988Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lXopxikVTZijsfL+IXjvp7F+xEPiKZfcHoL4A+kuX8LJtMu/93DEjVC6kztNyrr9v2Ea5RBRnKLhF4AYi4/TAA==","signature_status":"signed_v1","signed_at":"2026-07-29T01:26:07.113919Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.25857","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a2e4057b5764a6b166bc6c72b277d08883e0096dec43b0df0c5c2ad99251dd34","sha256:52d017c1be04e093556f69d5197d749aff02e9025f833a891b1863aa5ce4a411"],"state_sha256":"72d49d30aaa3b345010df7b594928b996a19eedb1bb9e95ccac0abebb1d42999"}