{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:VAKHNVJISWI4WWJGVZCYBBT7GI","short_pith_number":"pith:VAKHNVJI","canonical_record":{"source":{"id":"2608.09225","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2026-08-10T07:47:57Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"53a8fa0ac778301d1fc4bc976823c72e9feb05b76692365ab7f0f85fe0a1d607","abstract_canon_sha256":"830b065519e92d652f02dab34364cc430504e91288021e1fe90c53266de01c8d"},"schema_version":"1.0"},"canonical_sha256":"a81476d5289591cb5926ae4580867f323c1294e86cc72155bd2240f4fea6e58a","source":{"kind":"arxiv","id":"2608.09225","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.09225","created_at":"2026-08-11T02:22:07Z"},{"alias_kind":"arxiv_version","alias_value":"2608.09225v1","created_at":"2026-08-11T02:22:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.09225","created_at":"2026-08-11T02:22:07Z"},{"alias_kind":"pith_short_12","alias_value":"VAKHNVJISWI4","created_at":"2026-08-11T02:22:07Z"},{"alias_kind":"pith_short_16","alias_value":"VAKHNVJISWI4WWJG","created_at":"2026-08-11T02:22:07Z"},{"alias_kind":"pith_short_8","alias_value":"VAKHNVJI","created_at":"2026-08-11T02:22:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:VAKHNVJISWI4WWJGVZCYBBT7GI","target":"record","payload":{"canonical_record":{"source":{"id":"2608.09225","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2026-08-10T07:47:57Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"53a8fa0ac778301d1fc4bc976823c72e9feb05b76692365ab7f0f85fe0a1d607","abstract_canon_sha256":"830b065519e92d652f02dab34364cc430504e91288021e1fe90c53266de01c8d"},"schema_version":"1.0"},"canonical_sha256":"a81476d5289591cb5926ae4580867f323c1294e86cc72155bd2240f4fea6e58a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-11T02:22:07.275637Z","signature_b64":"/CewxgRb09J5p8Uvo0V+gs66zkQHWHYE8ynbk2DAzgoS7uNJozXxmxe4l+GFEvgPqqVeh+M1ZATMQvo6CZBBCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a81476d5289591cb5926ae4580867f323c1294e86cc72155bd2240f4fea6e58a","last_reissued_at":"2026-08-11T02:22:07.273851Z","signature_status":"signed_v1","first_computed_at":"2026-08-11T02:22:07.273851Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2608.09225","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":"2026-08-11T02:22:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QRtWPmgdl/90zq7GcYP+1VHvnXDCr7rvKhXBEr8optM3FKOwmWIfiqKAPP+kqWLAnhzhepcIpio1n0+P9meKCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T17:10:32.543570Z"},"content_sha256":"413ca854711f14184ffb3b02da54abc99e826be47b5a948b8a3aef8906bbe277","schema_version":"1.0","event_id":"sha256:413ca854711f14184ffb3b02da54abc99e826be47b5a948b8a3aef8906bbe277"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:VAKHNVJISWI4WWJGVZCYBBT7GI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Governing the KV Cache: Preventing Timing Side-Channel Leakage in Multi-Tenant LLM Inference","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CR","authors_text":"Tejasvi C. Addagada","submitted_at":"2026-08-10T07:47:57Z","abstract_excerpt":"The key-value (KV) cache is the primary throughput optimization in modern large language model (LLM) inference, enabling prefix reuse across requests. In multi-tenant deployments this cache is shared across tenants, creating a timing side channel: an adversarial tenant can reconstruct another tenant's private prompt by probing cache-hit latency. Three published attacks exploit it -- PROMPTPEEK, EarlyBird and InputSnatch -- reaching up to 100% attack success rate against unprotected vLLM and SGLang, with rates varying by cache architecture and prompt structure.\n  We present KVGov, a governance "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.09225","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/2608.09225/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":"2026-08-11T02:22:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cjwsOyTQ00q4Tl9LzQAWxNr3eGQpn5v2fzfzrmJR3RzjXlbJzIDz3r7VT7+ODcKeIqJqRd2Xku65X3tiA+CQCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T17:10:32.544103Z"},"content_sha256":"15f7e31049f4720025e432570883eed31ff143c88ed7cba3940b087c40f11ff3","schema_version":"1.0","event_id":"sha256:15f7e31049f4720025e432570883eed31ff143c88ed7cba3940b087c40f11ff3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VAKHNVJISWI4WWJGVZCYBBT7GI/bundle.json","state_url":"https://pith.science/pith/VAKHNVJISWI4WWJGVZCYBBT7GI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VAKHNVJISWI4WWJGVZCYBBT7GI/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":"2026-08-23T17:10:32Z","links":{"resolver":"https://pith.science/pith/VAKHNVJISWI4WWJGVZCYBBT7GI","bundle":"https://pith.science/pith/VAKHNVJISWI4WWJGVZCYBBT7GI/bundle.json","state":"https://pith.science/pith/VAKHNVJISWI4WWJGVZCYBBT7GI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VAKHNVJISWI4WWJGVZCYBBT7GI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:VAKHNVJISWI4WWJGVZCYBBT7GI","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":"830b065519e92d652f02dab34364cc430504e91288021e1fe90c53266de01c8d","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2026-08-10T07:47:57Z","title_canon_sha256":"53a8fa0ac778301d1fc4bc976823c72e9feb05b76692365ab7f0f85fe0a1d607"},"schema_version":"1.0","source":{"id":"2608.09225","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.09225","created_at":"2026-08-11T02:22:07Z"},{"alias_kind":"arxiv_version","alias_value":"2608.09225v1","created_at":"2026-08-11T02:22:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.09225","created_at":"2026-08-11T02:22:07Z"},{"alias_kind":"pith_short_12","alias_value":"VAKHNVJISWI4","created_at":"2026-08-11T02:22:07Z"},{"alias_kind":"pith_short_16","alias_value":"VAKHNVJISWI4WWJG","created_at":"2026-08-11T02:22:07Z"},{"alias_kind":"pith_short_8","alias_value":"VAKHNVJI","created_at":"2026-08-11T02:22:07Z"}],"graph_snapshots":[{"event_id":"sha256:15f7e31049f4720025e432570883eed31ff143c88ed7cba3940b087c40f11ff3","target":"graph","created_at":"2026-08-11T02:22:07Z","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/2608.09225/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The key-value (KV) cache is the primary throughput optimization in modern large language model (LLM) inference, enabling prefix reuse across requests. In multi-tenant deployments this cache is shared across tenants, creating a timing side channel: an adversarial tenant can reconstruct another tenant's private prompt by probing cache-hit latency. Three published attacks exploit it -- PROMPTPEEK, EarlyBird and InputSnatch -- reaching up to 100% attack success rate against unprotected vLLM and SGLang, with rates varying by cache architecture and prompt structure.\n  We present KVGov, a governance ","authors_text":"Tejasvi C. Addagada","cross_cats":["cs.AI"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2026-08-10T07:47:57Z","title":"Governing the KV Cache: Preventing Timing Side-Channel Leakage in Multi-Tenant LLM Inference"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.09225","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":"sha256:413ca854711f14184ffb3b02da54abc99e826be47b5a948b8a3aef8906bbe277","target":"record","created_at":"2026-08-11T02:22:07Z","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":"830b065519e92d652f02dab34364cc430504e91288021e1fe90c53266de01c8d","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2026-08-10T07:47:57Z","title_canon_sha256":"53a8fa0ac778301d1fc4bc976823c72e9feb05b76692365ab7f0f85fe0a1d607"},"schema_version":"1.0","source":{"id":"2608.09225","kind":"arxiv","version":1}},"canonical_sha256":"a81476d5289591cb5926ae4580867f323c1294e86cc72155bd2240f4fea6e58a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a81476d5289591cb5926ae4580867f323c1294e86cc72155bd2240f4fea6e58a","first_computed_at":"2026-08-11T02:22:07.273851Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-11T02:22:07.273851Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/CewxgRb09J5p8Uvo0V+gs66zkQHWHYE8ynbk2DAzgoS7uNJozXxmxe4l+GFEvgPqqVeh+M1ZATMQvo6CZBBCw==","signature_status":"signed_v1","signed_at":"2026-08-11T02:22:07.275637Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.09225","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:413ca854711f14184ffb3b02da54abc99e826be47b5a948b8a3aef8906bbe277","sha256:15f7e31049f4720025e432570883eed31ff143c88ed7cba3940b087c40f11ff3"],"state_sha256":"d262d960a920bcbdbe2ee42c1bb2e27f03cacad39dd8b939da9e2e4b023331af"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aoG40mj/DBBVM56HhySNatIsbHnGDyZdNfOUssgid4arm3B75HTBCYfc0SEAte0uPkY8S80G6pitIxkXhc7dCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T17:10:32.549070Z","bundle_sha256":"a2c558bf6277852c53f14fb9d81a53f791aec905c1b795b4fa5e05dfc090f307"}}