{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:VWVRACYDYDQGDWMR6LZCOOTNF5","short_pith_number":"pith:VWVRACYD","canonical_record":{"source":{"id":"2606.03024","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2026-06-02T02:01:53Z","cross_cats_sorted":["cs.SE"],"title_canon_sha256":"0458b957dc5e6ca8505cd88071c549d2a62164e10434c38bfb62b74ebe00f6f3","abstract_canon_sha256":"c0f8eb7dd6041eafe0703bdabf81a3a038584c6b8e7fab919074d5f03956313e"},"schema_version":"1.0"},"canonical_sha256":"adab100b03c0e061d991f2f2273a6d2f7cae5da3c5d8629a7347926f64d24095","source":{"kind":"arxiv","id":"2606.03024","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.03024","created_at":"2026-06-03T01:05:29Z"},{"alias_kind":"arxiv_version","alias_value":"2606.03024v1","created_at":"2026-06-03T01:05:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.03024","created_at":"2026-06-03T01:05:29Z"},{"alias_kind":"pith_short_12","alias_value":"VWVRACYDYDQG","created_at":"2026-06-03T01:05:29Z"},{"alias_kind":"pith_short_16","alias_value":"VWVRACYDYDQGDWMR","created_at":"2026-06-03T01:05:29Z"},{"alias_kind":"pith_short_8","alias_value":"VWVRACYD","created_at":"2026-06-03T01:05:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:VWVRACYDYDQGDWMR6LZCOOTNF5","target":"record","payload":{"canonical_record":{"source":{"id":"2606.03024","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2026-06-02T02:01:53Z","cross_cats_sorted":["cs.SE"],"title_canon_sha256":"0458b957dc5e6ca8505cd88071c549d2a62164e10434c38bfb62b74ebe00f6f3","abstract_canon_sha256":"c0f8eb7dd6041eafe0703bdabf81a3a038584c6b8e7fab919074d5f03956313e"},"schema_version":"1.0"},"canonical_sha256":"adab100b03c0e061d991f2f2273a6d2f7cae5da3c5d8629a7347926f64d24095","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-03T01:05:29.560552Z","signature_b64":"fbCpjI7v0cDZ7h41nVCalBn5xy7wh31ca37Rj1Ae+vpq3KTh2200nlo8WM1gBZGY1n6KOPWOpWBPGvqsLG+GCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"adab100b03c0e061d991f2f2273a6d2f7cae5da3c5d8629a7347926f64d24095","last_reissued_at":"2026-06-03T01:05:29.560150Z","signature_status":"signed_v1","first_computed_at":"2026-06-03T01:05:29.560150Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.03024","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":"2026-06-03T01:05:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p9Bz7a14jaXYUHzFR1QTSuGh3rvS+rX1g6pzaYN+4qh15PuWqQIOesKBOyK6U21p0OWlInxX/1zBO7wUbcr2Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T20:50:41.440675Z"},"content_sha256":"220757469c95e65517ab7dc243475090095812434c1b82a99692a186d6f9d80a","schema_version":"1.0","event_id":"sha256:220757469c95e65517ab7dc243475090095812434c1b82a99692a186d6f9d80a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:VWVRACYDYDQGDWMR6LZCOOTNF5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"SkillGuard: A Permission Framework for Agent Skills","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SE"],"primary_cat":"cs.CR","authors_text":"Dianshu Liao, Meixue Si, Shidong Pan, Tianyi Zhang, Xiaoyu Sun, Zhenchang Xing","submitted_at":"2026-06-02T02:01:53Z","abstract_excerpt":"Agent skills extend LLM agents with reusable instructions, scripts, tool bindings, and contextual dependencies. However, current skill ecosystems largely rely on trust-based loading and static inspection, leaving a gap between what a skill can inject into an agent's context and what it can cause the agent to do at runtime. This gap introduces new security and privacy risks, and existing defenses primarily inspect skill files statically or regulate individual tool calls, without systematically connecting a skill's declared intent with its runtime behavior. In this paper, we present SkillGuard, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.03024","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/2606.03024/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":"2026-06-03T01:05:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oc1cMAkGR0Nm4JcXG4ipxEsdXK0e1PR72bmrnrAmLPi4UwfCY+AJydnWjbFqhk0yZ8FCF2pyMLNp5So7R/s5CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T20:50:41.441382Z"},"content_sha256":"33f85a24668e4cc61f84dea04453d5e0fcc790917a822228f4754316cb718d11","schema_version":"1.0","event_id":"sha256:33f85a24668e4cc61f84dea04453d5e0fcc790917a822228f4754316cb718d11"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VWVRACYDYDQGDWMR6LZCOOTNF5/bundle.json","state_url":"https://pith.science/pith/VWVRACYDYDQGDWMR6LZCOOTNF5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VWVRACYDYDQGDWMR6LZCOOTNF5/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":"2026-06-04T20:50:41Z","links":{"resolver":"https://pith.science/pith/VWVRACYDYDQGDWMR6LZCOOTNF5","bundle":"https://pith.science/pith/VWVRACYDYDQGDWMR6LZCOOTNF5/bundle.json","state":"https://pith.science/pith/VWVRACYDYDQGDWMR6LZCOOTNF5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VWVRACYDYDQGDWMR6LZCOOTNF5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:VWVRACYDYDQGDWMR6LZCOOTNF5","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":"c0f8eb7dd6041eafe0703bdabf81a3a038584c6b8e7fab919074d5f03956313e","cross_cats_sorted":["cs.SE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2026-06-02T02:01:53Z","title_canon_sha256":"0458b957dc5e6ca8505cd88071c549d2a62164e10434c38bfb62b74ebe00f6f3"},"schema_version":"1.0","source":{"id":"2606.03024","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.03024","created_at":"2026-06-03T01:05:29Z"},{"alias_kind":"arxiv_version","alias_value":"2606.03024v1","created_at":"2026-06-03T01:05:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.03024","created_at":"2026-06-03T01:05:29Z"},{"alias_kind":"pith_short_12","alias_value":"VWVRACYDYDQG","created_at":"2026-06-03T01:05:29Z"},{"alias_kind":"pith_short_16","alias_value":"VWVRACYDYDQGDWMR","created_at":"2026-06-03T01:05:29Z"},{"alias_kind":"pith_short_8","alias_value":"VWVRACYD","created_at":"2026-06-03T01:05:29Z"}],"graph_snapshots":[{"event_id":"sha256:33f85a24668e4cc61f84dea04453d5e0fcc790917a822228f4754316cb718d11","target":"graph","created_at":"2026-06-03T01:05:29Z","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/2606.03024/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Agent skills extend LLM agents with reusable instructions, scripts, tool bindings, and contextual dependencies. However, current skill ecosystems largely rely on trust-based loading and static inspection, leaving a gap between what a skill can inject into an agent's context and what it can cause the agent to do at runtime. This gap introduces new security and privacy risks, and existing defenses primarily inspect skill files statically or regulate individual tool calls, without systematically connecting a skill's declared intent with its runtime behavior. In this paper, we present SkillGuard, ","authors_text":"Dianshu Liao, Meixue Si, Shidong Pan, Tianyi Zhang, Xiaoyu Sun, Zhenchang Xing","cross_cats":["cs.SE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2026-06-02T02:01:53Z","title":"SkillGuard: A Permission Framework for Agent Skills"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.03024","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":"sha256:220757469c95e65517ab7dc243475090095812434c1b82a99692a186d6f9d80a","target":"record","created_at":"2026-06-03T01:05:29Z","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":"c0f8eb7dd6041eafe0703bdabf81a3a038584c6b8e7fab919074d5f03956313e","cross_cats_sorted":["cs.SE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2026-06-02T02:01:53Z","title_canon_sha256":"0458b957dc5e6ca8505cd88071c549d2a62164e10434c38bfb62b74ebe00f6f3"},"schema_version":"1.0","source":{"id":"2606.03024","kind":"arxiv","version":1}},"canonical_sha256":"adab100b03c0e061d991f2f2273a6d2f7cae5da3c5d8629a7347926f64d24095","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"adab100b03c0e061d991f2f2273a6d2f7cae5da3c5d8629a7347926f64d24095","first_computed_at":"2026-06-03T01:05:29.560150Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-03T01:05:29.560150Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fbCpjI7v0cDZ7h41nVCalBn5xy7wh31ca37Rj1Ae+vpq3KTh2200nlo8WM1gBZGY1n6KOPWOpWBPGvqsLG+GCw==","signature_status":"signed_v1","signed_at":"2026-06-03T01:05:29.560552Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.03024","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:220757469c95e65517ab7dc243475090095812434c1b82a99692a186d6f9d80a","sha256:33f85a24668e4cc61f84dea04453d5e0fcc790917a822228f4754316cb718d11"],"state_sha256":"de9edd9a450c1a53139268b06478d5bfc00da75847ff6ce1c6584a1d9b774d8a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VXmN//Ipy/B66j+h8R0Tl/kvAxOsFEweGITI6eOCelQxfuy0ZSKmDO79YHa8h/83PvRfZa0ub0iKFGMcjK26CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T20:50:41.445075Z","bundle_sha256":"f42a5a5b05dea3616cbf75dd82dfafde1a4d39a50eea5d12f24705cd1b607720"}}