{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:VYQYWFWTXFF7HBFPLQYIBCRJPG","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":"c9af24913c3a0583de423b85eec53853f370f2fe957c9afbb4a53bf4e99dfe40","cross_cats_sorted":["cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"q-bio.GN","submitted_at":"2026-07-15T17:38:02Z","title_canon_sha256":"663b605b0bb8c5e752465747f9d04f6cf2ef7cf8b441178d600d248b1ceb24f8"},"schema_version":"1.0","source":{"id":"2607.14070","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.14070","created_at":"2026-07-16T01:23:23Z"},{"alias_kind":"arxiv_version","alias_value":"2607.14070v1","created_at":"2026-07-16T01:23:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.14070","created_at":"2026-07-16T01:23:23Z"},{"alias_kind":"pith_short_12","alias_value":"VYQYWFWTXFF7","created_at":"2026-07-16T01:23:23Z"},{"alias_kind":"pith_short_16","alias_value":"VYQYWFWTXFF7HBFP","created_at":"2026-07-16T01:23:23Z"},{"alias_kind":"pith_short_8","alias_value":"VYQYWFWT","created_at":"2026-07-16T01:23:23Z"}],"graph_snapshots":[{"event_id":"sha256:3abdb023bb59fe1266ed9aa089b634f07aa9ad12dd011453f130faceee746e16","target":"graph","created_at":"2026-07-16T01:23:23Z","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/2607.14070/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Genomic foundation models such as Evo 2 learn rich sequence representations, but their value for biosecurity screening is largely unexplored. We ask how much biosecurity-relevant signal is linearly accessible in these representations by training minimal linear and attention probes on frozen Evo 2 layer-26 activations, without fine-tuning the underlying model. Across held-out metagenomic test sets, the probes detect antimicrobial resistance (AMR) with strong discrimination: a linear probe reaches a region-level ROC-AUC of 0.888 (mean-pool), rising to 0.977 with a single-head attention probe. Th","authors_text":"Alexander Dack, Dylan Danno, Jeremy Guntoro, Kri\\v{z}an Jurinovi\\'c, Michaela Jan\\v{c}ovi\\v{c}ov\\'a, Vanessa Smilansky","cross_cats":["cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"q-bio.GN","submitted_at":"2026-07-15T17:38:02Z","title":"Screening of Biosecurity Features in Metagenomic Data with Evo 2 Probes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.14070","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":"sha256:689e6e620f56de4b9562da2f04df21661eab565b40d4f4d4be37b124b7661ea2","target":"record","created_at":"2026-07-16T01:23:23Z","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":"c9af24913c3a0583de423b85eec53853f370f2fe957c9afbb4a53bf4e99dfe40","cross_cats_sorted":["cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"q-bio.GN","submitted_at":"2026-07-15T17:38:02Z","title_canon_sha256":"663b605b0bb8c5e752465747f9d04f6cf2ef7cf8b441178d600d248b1ceb24f8"},"schema_version":"1.0","source":{"id":"2607.14070","kind":"arxiv","version":1}},"canonical_sha256":"ae218b16d3b94bf384af5c30808a2979b2f25bb70159782ebac8d87943677132","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ae218b16d3b94bf384af5c30808a2979b2f25bb70159782ebac8d87943677132","first_computed_at":"2026-07-16T01:23:23.045607Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-16T01:23:23.045607Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nzXkiMPOlj8Qo5JPfbGg0tbnQtrtPaTzuQotNVuotJBwZCDhOs4Z0MetnmuPqRzZxFwGVbz3LMdHlmYliMWCCQ==","signature_status":"signed_v1","signed_at":"2026-07-16T01:23:23.046436Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.14070","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:689e6e620f56de4b9562da2f04df21661eab565b40d4f4d4be37b124b7661ea2","sha256:3abdb023bb59fe1266ed9aa089b634f07aa9ad12dd011453f130faceee746e16"],"state_sha256":"90d1431014d21e797fc98f3d20d502657b482eb32bc6d7679374ba63190ff3a4"}