{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:U4SEEZ5LFM25ZLRQGNOIV7YYP5","short_pith_number":"pith:U4SEEZ5L","canonical_record":{"source":{"id":"2605.22786","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2026-05-21T17:42:12Z","cross_cats_sorted":["cs.ET","cs.LG","cs.MA"],"title_canon_sha256":"731a70dde7c34ca506155e7d503ff2ba93d6276d2ba7d067747af1b800e4bf42","abstract_canon_sha256":"557254eecd349c37a71122cce4f5a9ca5c8aab8fc2eab2e7344a7ed56c0a8a31"},"schema_version":"1.0"},"canonical_sha256":"a7244267ab2b35dcae30335c8aff187f5d77fe5c130a2d0208ebfc0f3c3f7816","source":{"kind":"arxiv","id":"2605.22786","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.22786","created_at":"2026-05-22T02:04:54Z"},{"alias_kind":"arxiv_version","alias_value":"2605.22786v1","created_at":"2026-05-22T02:04:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.22786","created_at":"2026-05-22T02:04:54Z"},{"alias_kind":"pith_short_12","alias_value":"U4SEEZ5LFM25","created_at":"2026-05-22T02:04:54Z"},{"alias_kind":"pith_short_16","alias_value":"U4SEEZ5LFM25ZLRQ","created_at":"2026-05-22T02:04:54Z"},{"alias_kind":"pith_short_8","alias_value":"U4SEEZ5L","created_at":"2026-05-22T02:04:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:U4SEEZ5LFM25ZLRQGNOIV7YYP5","target":"record","payload":{"canonical_record":{"source":{"id":"2605.22786","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2026-05-21T17:42:12Z","cross_cats_sorted":["cs.ET","cs.LG","cs.MA"],"title_canon_sha256":"731a70dde7c34ca506155e7d503ff2ba93d6276d2ba7d067747af1b800e4bf42","abstract_canon_sha256":"557254eecd349c37a71122cce4f5a9ca5c8aab8fc2eab2e7344a7ed56c0a8a31"},"schema_version":"1.0"},"canonical_sha256":"a7244267ab2b35dcae30335c8aff187f5d77fe5c130a2d0208ebfc0f3c3f7816","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-22T02:04:54.811914Z","signature_b64":"4qWsUIL2FHNI8rP/Ldg8ax0hAj9p2VImjkzPidLR4Cu4Xe4b9kcY+aMkzjzgbvC/+8PWhzjrMPKwZgVfjoOcAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a7244267ab2b35dcae30335c8aff187f5d77fe5c130a2d0208ebfc0f3c3f7816","last_reissued_at":"2026-05-22T02:04:54.811417Z","signature_status":"signed_v1","first_computed_at":"2026-05-22T02:04:54.811417Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.22786","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":"2026-05-22T02:04:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fvEL34giBuUn+5QlpMzJzqe1V9g1wu5IcUgqp4cO/qGtp1VhAcPEF1V3PsAw3XvxTYq6OaDmvKOMrg54uhjpDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:24:19.859504Z"},"content_sha256":"961d61f26d67acd8c4441b0476bcd617817040a31851eaaf01c8b4eeb113f19e","schema_version":"1.0","event_id":"sha256:961d61f26d67acd8c4441b0476bcd617817040a31851eaaf01c8b4eeb113f19e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:U4SEEZ5LFM25ZLRQGNOIV7YYP5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"LCGuard: Latent Communication Guard for Safe KV Sharing in Multi-Agent Systems","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.ET","cs.LG","cs.MA"],"primary_cat":"cs.AI","authors_text":"Karthikeyan Natesan Ramamurthy, Mohammad Mohammadi Amiri, Momin Abbas, Prasanna Sattigeri, Sadia Asif","submitted_at":"2026-05-21T17:42:12Z","abstract_excerpt":"Large language model (LLM)-based multi-agent systems increasingly rely on intermediate communication to coordinate complex tasks. While most existing systems communicate through natural language, recent work shows that latent communication, particularly through transformer key-value (KV) caches, can improve efficiency and preserve richer task-relevant information. However, KV caches also encode contextual inputs, intermediate reasoning states, and agent-specific information, creating an opaque channel through which sensitive content may propagate across agents without explicit textual disclosu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.22786","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/2605.22786/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":"2026-05-22T02:04:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fYbnTzu0l1lHOOS/KwidtGYLGsOVcZbkV5pLNyjcHCmQcLwigxNneyrG7V35VtXQ2+Z5XftCjjDxCSbkw3ilCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:24:19.860243Z"},"content_sha256":"dde23f10082257b89bac0c8b7e9d8b217512e43e8c18758a33e752a46762427f","schema_version":"1.0","event_id":"sha256:dde23f10082257b89bac0c8b7e9d8b217512e43e8c18758a33e752a46762427f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U4SEEZ5LFM25ZLRQGNOIV7YYP5/bundle.json","state_url":"https://pith.science/pith/U4SEEZ5LFM25ZLRQGNOIV7YYP5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U4SEEZ5LFM25ZLRQGNOIV7YYP5/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":"2026-05-25T16:24:19Z","links":{"resolver":"https://pith.science/pith/U4SEEZ5LFM25ZLRQGNOIV7YYP5","bundle":"https://pith.science/pith/U4SEEZ5LFM25ZLRQGNOIV7YYP5/bundle.json","state":"https://pith.science/pith/U4SEEZ5LFM25ZLRQGNOIV7YYP5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U4SEEZ5LFM25ZLRQGNOIV7YYP5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:U4SEEZ5LFM25ZLRQGNOIV7YYP5","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":"557254eecd349c37a71122cce4f5a9ca5c8aab8fc2eab2e7344a7ed56c0a8a31","cross_cats_sorted":["cs.ET","cs.LG","cs.MA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2026-05-21T17:42:12Z","title_canon_sha256":"731a70dde7c34ca506155e7d503ff2ba93d6276d2ba7d067747af1b800e4bf42"},"schema_version":"1.0","source":{"id":"2605.22786","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.22786","created_at":"2026-05-22T02:04:54Z"},{"alias_kind":"arxiv_version","alias_value":"2605.22786v1","created_at":"2026-05-22T02:04:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.22786","created_at":"2026-05-22T02:04:54Z"},{"alias_kind":"pith_short_12","alias_value":"U4SEEZ5LFM25","created_at":"2026-05-22T02:04:54Z"},{"alias_kind":"pith_short_16","alias_value":"U4SEEZ5LFM25ZLRQ","created_at":"2026-05-22T02:04:54Z"},{"alias_kind":"pith_short_8","alias_value":"U4SEEZ5L","created_at":"2026-05-22T02:04:54Z"}],"graph_snapshots":[{"event_id":"sha256:dde23f10082257b89bac0c8b7e9d8b217512e43e8c18758a33e752a46762427f","target":"graph","created_at":"2026-05-22T02:04:54Z","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/2605.22786/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Large language model (LLM)-based multi-agent systems increasingly rely on intermediate communication to coordinate complex tasks. While most existing systems communicate through natural language, recent work shows that latent communication, particularly through transformer key-value (KV) caches, can improve efficiency and preserve richer task-relevant information. However, KV caches also encode contextual inputs, intermediate reasoning states, and agent-specific information, creating an opaque channel through which sensitive content may propagate across agents without explicit textual disclosu","authors_text":"Karthikeyan Natesan Ramamurthy, Mohammad Mohammadi Amiri, Momin Abbas, Prasanna Sattigeri, Sadia Asif","cross_cats":["cs.ET","cs.LG","cs.MA"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2026-05-21T17:42:12Z","title":"LCGuard: Latent Communication Guard for Safe KV Sharing in Multi-Agent Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.22786","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":"sha256:961d61f26d67acd8c4441b0476bcd617817040a31851eaaf01c8b4eeb113f19e","target":"record","created_at":"2026-05-22T02:04:54Z","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":"557254eecd349c37a71122cce4f5a9ca5c8aab8fc2eab2e7344a7ed56c0a8a31","cross_cats_sorted":["cs.ET","cs.LG","cs.MA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2026-05-21T17:42:12Z","title_canon_sha256":"731a70dde7c34ca506155e7d503ff2ba93d6276d2ba7d067747af1b800e4bf42"},"schema_version":"1.0","source":{"id":"2605.22786","kind":"arxiv","version":1}},"canonical_sha256":"a7244267ab2b35dcae30335c8aff187f5d77fe5c130a2d0208ebfc0f3c3f7816","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a7244267ab2b35dcae30335c8aff187f5d77fe5c130a2d0208ebfc0f3c3f7816","first_computed_at":"2026-05-22T02:04:54.811417Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-22T02:04:54.811417Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4qWsUIL2FHNI8rP/Ldg8ax0hAj9p2VImjkzPidLR4Cu4Xe4b9kcY+aMkzjzgbvC/+8PWhzjrMPKwZgVfjoOcAw==","signature_status":"signed_v1","signed_at":"2026-05-22T02:04:54.811914Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.22786","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:961d61f26d67acd8c4441b0476bcd617817040a31851eaaf01c8b4eeb113f19e","sha256:dde23f10082257b89bac0c8b7e9d8b217512e43e8c18758a33e752a46762427f"],"state_sha256":"c0c58203a745c31b3b755538a8ea8f9304fae2e4ba49b8e4bc33b02c51c6390c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G267h4mIUnd0GqfB2pAbfsEP84udnIEWnJJVLg5MN6gfmrlT3Gu33BoxhFau1qzJNFszNgDgOVmxCdqHA6guCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T16:24:19.863876Z","bundle_sha256":"e1fdcf98977717bf2092c3eedccc72225ea5fef24b47e9433ea48e5133e1c382"}}