{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:2SI2JNX2UVQL2WWS6EGFKKHBOD","short_pith_number":"pith:2SI2JNX2","canonical_record":{"source":{"id":"2505.12368","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-05-18T11:14:14Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"5caeed117a3c8921c9b703eff1d9189a926b1ceaea2f38f73db2ebdc5ac6965c","abstract_canon_sha256":"a9e5266e04060bedc01a263d8a03da78345a0ae13282c2682262290b4320662d"},"schema_version":"1.0"},"canonical_sha256":"d491a4b6faa560bd5ad2f10c5528e170d03d2b1de7d9eb87997e7cb87a752102","source":{"kind":"arxiv","id":"2505.12368","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.12368","created_at":"2026-07-05T11:22:40Z"},{"alias_kind":"arxiv_version","alias_value":"2505.12368v2","created_at":"2026-07-05T11:22:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.12368","created_at":"2026-07-05T11:22:40Z"},{"alias_kind":"pith_short_12","alias_value":"2SI2JNX2UVQL","created_at":"2026-07-05T11:22:40Z"},{"alias_kind":"pith_short_16","alias_value":"2SI2JNX2UVQL2WWS","created_at":"2026-07-05T11:22:40Z"},{"alias_kind":"pith_short_8","alias_value":"2SI2JNX2","created_at":"2026-07-05T11:22:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:2SI2JNX2UVQL2WWS6EGFKKHBOD","target":"record","payload":{"canonical_record":{"source":{"id":"2505.12368","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-05-18T11:14:14Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"5caeed117a3c8921c9b703eff1d9189a926b1ceaea2f38f73db2ebdc5ac6965c","abstract_canon_sha256":"a9e5266e04060bedc01a263d8a03da78345a0ae13282c2682262290b4320662d"},"schema_version":"1.0"},"canonical_sha256":"d491a4b6faa560bd5ad2f10c5528e170d03d2b1de7d9eb87997e7cb87a752102","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:22:40.277862Z","signature_b64":"cq5k5aLsvgDVgpMm72KrtzX2MYrz7oF3A9/44XsyzJ6ImLQf0X96cLDhKjbUCIsiWMfODsrNpy0LV8V6JTUkAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d491a4b6faa560bd5ad2f10c5528e170d03d2b1de7d9eb87997e7cb87a752102","last_reissued_at":"2026-07-05T11:22:40.277371Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:22:40.277371Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.12368","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:22:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JeXc2tPT+CY/sJuBVXQL0IZjKzUImz45pXE7efRH/foqHYj/9KYmrAZAq8YJgNTXQa9Wev2hUVEVQJ3yBX0PAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T15:37:20.791819Z"},"content_sha256":"52af520a97862b626f5018b984b6af277038b3d7861d0706df43bd3c753ec532","schema_version":"1.0","event_id":"sha256:52af520a97862b626f5018b984b6af277038b3d7861d0706df43bd3c753ec532"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:2SI2JNX2UVQL2WWS6EGFKKHBOD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"CAPTURE: Context-Aware Prompt Injection Testing and Robustness Enhancement","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CL","authors_text":"Gauri Kholkar, Ratinder Ahuja","submitted_at":"2025-05-18T11:14:14Z","abstract_excerpt":"Prompt injection remains a major security risk for large language models. However, the efficacy of existing guardrail models in context-aware settings remains underexplored, as they often rely on static attack benchmarks. Additionally, they have over-defense tendencies. We introduce CAPTURE, a novel context-aware benchmark assessing both attack detection and over-defense tendencies with minimal in-domain examples. Our experiments reveal that current prompt injection guardrail models suffer from high false negatives in adversarial cases and excessive false positives in benign scenarios, highlig"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.12368","kind":"arxiv","version":2},"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/2505.12368/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":"2026-07-05T11:22:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iUdlIt186s+F5xLBDvXYzmhUA95p5LWVdPcoZo3TNVX8rl1Ldrq1QwESnkV7SfFxYdnAoqzm3K6BT51PPyncBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T15:37:20.792988Z"},"content_sha256":"60f39494908cc19a12d8c2248fd48b0801ed0d3cf53c3ca9120e9cbf405c4050","schema_version":"1.0","event_id":"sha256:60f39494908cc19a12d8c2248fd48b0801ed0d3cf53c3ca9120e9cbf405c4050"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2SI2JNX2UVQL2WWS6EGFKKHBOD/bundle.json","state_url":"https://pith.science/pith/2SI2JNX2UVQL2WWS6EGFKKHBOD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2SI2JNX2UVQL2WWS6EGFKKHBOD/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":"2026-08-04T15:37:20Z","links":{"resolver":"https://pith.science/pith/2SI2JNX2UVQL2WWS6EGFKKHBOD","bundle":"https://pith.science/pith/2SI2JNX2UVQL2WWS6EGFKKHBOD/bundle.json","state":"https://pith.science/pith/2SI2JNX2UVQL2WWS6EGFKKHBOD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2SI2JNX2UVQL2WWS6EGFKKHBOD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:2SI2JNX2UVQL2WWS6EGFKKHBOD","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":"a9e5266e04060bedc01a263d8a03da78345a0ae13282c2682262290b4320662d","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-05-18T11:14:14Z","title_canon_sha256":"5caeed117a3c8921c9b703eff1d9189a926b1ceaea2f38f73db2ebdc5ac6965c"},"schema_version":"1.0","source":{"id":"2505.12368","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.12368","created_at":"2026-07-05T11:22:40Z"},{"alias_kind":"arxiv_version","alias_value":"2505.12368v2","created_at":"2026-07-05T11:22:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.12368","created_at":"2026-07-05T11:22:40Z"},{"alias_kind":"pith_short_12","alias_value":"2SI2JNX2UVQL","created_at":"2026-07-05T11:22:40Z"},{"alias_kind":"pith_short_16","alias_value":"2SI2JNX2UVQL2WWS","created_at":"2026-07-05T11:22:40Z"},{"alias_kind":"pith_short_8","alias_value":"2SI2JNX2","created_at":"2026-07-05T11:22:40Z"}],"graph_snapshots":[{"event_id":"sha256:60f39494908cc19a12d8c2248fd48b0801ed0d3cf53c3ca9120e9cbf405c4050","target":"graph","created_at":"2026-07-05T11:22:40Z","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/2505.12368/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Prompt injection remains a major security risk for large language models. However, the efficacy of existing guardrail models in context-aware settings remains underexplored, as they often rely on static attack benchmarks. Additionally, they have over-defense tendencies. We introduce CAPTURE, a novel context-aware benchmark assessing both attack detection and over-defense tendencies with minimal in-domain examples. Our experiments reveal that current prompt injection guardrail models suffer from high false negatives in adversarial cases and excessive false positives in benign scenarios, highlig","authors_text":"Gauri Kholkar, Ratinder Ahuja","cross_cats":["cs.AI"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-05-18T11:14:14Z","title":"CAPTURE: Context-Aware Prompt Injection Testing and Robustness Enhancement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.12368","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":"sha256:52af520a97862b626f5018b984b6af277038b3d7861d0706df43bd3c753ec532","target":"record","created_at":"2026-07-05T11:22:40Z","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":"a9e5266e04060bedc01a263d8a03da78345a0ae13282c2682262290b4320662d","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-05-18T11:14:14Z","title_canon_sha256":"5caeed117a3c8921c9b703eff1d9189a926b1ceaea2f38f73db2ebdc5ac6965c"},"schema_version":"1.0","source":{"id":"2505.12368","kind":"arxiv","version":2}},"canonical_sha256":"d491a4b6faa560bd5ad2f10c5528e170d03d2b1de7d9eb87997e7cb87a752102","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d491a4b6faa560bd5ad2f10c5528e170d03d2b1de7d9eb87997e7cb87a752102","first_computed_at":"2026-07-05T11:22:40.277371Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:22:40.277371Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cq5k5aLsvgDVgpMm72KrtzX2MYrz7oF3A9/44XsyzJ6ImLQf0X96cLDhKjbUCIsiWMfODsrNpy0LV8V6JTUkAw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:22:40.277862Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.12368","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:52af520a97862b626f5018b984b6af277038b3d7861d0706df43bd3c753ec532","sha256:60f39494908cc19a12d8c2248fd48b0801ed0d3cf53c3ca9120e9cbf405c4050"],"state_sha256":"feb17b1689eb05720ac4a57edc8b4b701adb0c0ee55f5b8fc7470d23babd06e2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z9XzJ0svS4aH3wa6uJgSHC5pUWI17SwAsMBF75EYPOpXtswdPtq2AaePsldlpEYu08rn41M15l/V47gp3mybCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T15:37:20.800939Z","bundle_sha256":"a7cb61731495065619a2298c5e871ed9cb758e498f41caf24955e031fa686857"}}