{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:B2HSRLFLE23BCMU7JHDGN2DX3Y","short_pith_number":"pith:B2HSRLFL","canonical_record":{"source":{"id":"2608.04893","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2026-08-05T14:18:42Z","cross_cats_sorted":["cs.AI","cs.LG"],"title_canon_sha256":"663c1ea76236e00e5b8d5d7068ebdace10e1d5e6dc5e45a4c0087ce0c02baa42","abstract_canon_sha256":"14dcc2f1538650a7f488ca17ad3029329100495b97c0c8c5a2512af33a125c2f"},"schema_version":"1.0"},"canonical_sha256":"0e8f28acab26b611329f49c666e877de1d5b289b14b454724788549489ec8dd1","source":{"kind":"arxiv","id":"2608.04893","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.04893","created_at":"2026-08-06T01:47:33Z"},{"alias_kind":"arxiv_version","alias_value":"2608.04893v1","created_at":"2026-08-06T01:47:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.04893","created_at":"2026-08-06T01:47:33Z"},{"alias_kind":"pith_short_12","alias_value":"B2HSRLFLE23B","created_at":"2026-08-06T01:47:33Z"},{"alias_kind":"pith_short_16","alias_value":"B2HSRLFLE23BCMU7","created_at":"2026-08-06T01:47:33Z"},{"alias_kind":"pith_short_8","alias_value":"B2HSRLFL","created_at":"2026-08-06T01:47:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:B2HSRLFLE23BCMU7JHDGN2DX3Y","target":"record","payload":{"canonical_record":{"source":{"id":"2608.04893","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2026-08-05T14:18:42Z","cross_cats_sorted":["cs.AI","cs.LG"],"title_canon_sha256":"663c1ea76236e00e5b8d5d7068ebdace10e1d5e6dc5e45a4c0087ce0c02baa42","abstract_canon_sha256":"14dcc2f1538650a7f488ca17ad3029329100495b97c0c8c5a2512af33a125c2f"},"schema_version":"1.0"},"canonical_sha256":"0e8f28acab26b611329f49c666e877de1d5b289b14b454724788549489ec8dd1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-06T01:47:33.604962Z","signature_b64":"cTEPp4H6cBcJiAr8zW83DM08ReeYWLPLDnW5PfMfvdh/JahBU1eehqK/wdkmMYdR3bp/ZZUGWe+BRh0Deq6DCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0e8f28acab26b611329f49c666e877de1d5b289b14b454724788549489ec8dd1","last_reissued_at":"2026-08-06T01:47:33.603373Z","signature_status":"signed_v1","first_computed_at":"2026-08-06T01:47:33.603373Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2608.04893","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":"2026-08-06T01:47:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lc35MO5SjZjK+48HwhYnH3VegF1wtFKAVnyfpWhRrTdEPuXbzepFoq6p8nrrvVKD/m7xA30/H+3uEncOB9G7AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T04:31:02.764470Z"},"content_sha256":"f727b75efcb9787f9111607998d1be3d4417694e7acac8e9827c4687740ea325","schema_version":"1.0","event_id":"sha256:f727b75efcb9787f9111607998d1be3d4417694e7acac8e9827c4687740ea325"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:B2HSRLFLE23BCMU7JHDGN2DX3Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"When Does Latent Communication Pay? A Causal Audit of Relayed KV Caches in Multi-Agent LLMs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI","cs.LG"],"primary_cat":"cs.CR","authors_text":"Jiaming Cheng, Rajiv Ramnath, Subhransu Das","submitted_at":"2026-08-05T14:18:42Z","abstract_excerpt":"Multi-agent LLM systems relay key--value caches instead of text and credit their gains to exchanged ``latent thoughts''. That credit is a claim about \\emph{which} example's cache is relayed, not merely that one is. We audit it causally in released systems. The cache is replaced with deranged (mismatched-example), zeroed, and moment-matched random counterparts, under two regimes defined by whether the receiver needs the sender's private information. Where it does, the battery reads ceiling: 100\\% against 23--25\\% for answer-irrelevant relays on the primary backbone, a contrast replicated across"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.04893","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/2608.04893/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":"2026-08-06T01:47:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PgsLgPfkHLgkFX6+XmfzcCVCutN1Fxd9XmijF99idMxn+OANFpBhb7kD1YqHn5qkKdyT2CY6x5AfIxoBfkf/CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T04:31:02.764854Z"},"content_sha256":"6686f760d094c1b7661aa6506fcaaffd3d3da8d4b56a57d0f45905d105f4a280","schema_version":"1.0","event_id":"sha256:6686f760d094c1b7661aa6506fcaaffd3d3da8d4b56a57d0f45905d105f4a280"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B2HSRLFLE23BCMU7JHDGN2DX3Y/bundle.json","state_url":"https://pith.science/pith/B2HSRLFLE23BCMU7JHDGN2DX3Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B2HSRLFLE23BCMU7JHDGN2DX3Y/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":"2026-08-07T04:31:02Z","links":{"resolver":"https://pith.science/pith/B2HSRLFLE23BCMU7JHDGN2DX3Y","bundle":"https://pith.science/pith/B2HSRLFLE23BCMU7JHDGN2DX3Y/bundle.json","state":"https://pith.science/pith/B2HSRLFLE23BCMU7JHDGN2DX3Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B2HSRLFLE23BCMU7JHDGN2DX3Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:B2HSRLFLE23BCMU7JHDGN2DX3Y","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":"14dcc2f1538650a7f488ca17ad3029329100495b97c0c8c5a2512af33a125c2f","cross_cats_sorted":["cs.AI","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2026-08-05T14:18:42Z","title_canon_sha256":"663c1ea76236e00e5b8d5d7068ebdace10e1d5e6dc5e45a4c0087ce0c02baa42"},"schema_version":"1.0","source":{"id":"2608.04893","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.04893","created_at":"2026-08-06T01:47:33Z"},{"alias_kind":"arxiv_version","alias_value":"2608.04893v1","created_at":"2026-08-06T01:47:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.04893","created_at":"2026-08-06T01:47:33Z"},{"alias_kind":"pith_short_12","alias_value":"B2HSRLFLE23B","created_at":"2026-08-06T01:47:33Z"},{"alias_kind":"pith_short_16","alias_value":"B2HSRLFLE23BCMU7","created_at":"2026-08-06T01:47:33Z"},{"alias_kind":"pith_short_8","alias_value":"B2HSRLFL","created_at":"2026-08-06T01:47:33Z"}],"graph_snapshots":[{"event_id":"sha256:6686f760d094c1b7661aa6506fcaaffd3d3da8d4b56a57d0f45905d105f4a280","target":"graph","created_at":"2026-08-06T01:47:33Z","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/2608.04893/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Multi-agent LLM systems relay key--value caches instead of text and credit their gains to exchanged ``latent thoughts''. That credit is a claim about \\emph{which} example's cache is relayed, not merely that one is. We audit it causally in released systems. The cache is replaced with deranged (mismatched-example), zeroed, and moment-matched random counterparts, under two regimes defined by whether the receiver needs the sender's private information. Where it does, the battery reads ceiling: 100\\% against 23--25\\% for answer-irrelevant relays on the primary backbone, a contrast replicated across","authors_text":"Jiaming Cheng, Rajiv Ramnath, Subhransu Das","cross_cats":["cs.AI","cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2026-08-05T14:18:42Z","title":"When Does Latent Communication Pay? A Causal Audit of Relayed KV Caches in Multi-Agent LLMs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.04893","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:f727b75efcb9787f9111607998d1be3d4417694e7acac8e9827c4687740ea325","target":"record","created_at":"2026-08-06T01:47:33Z","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":"14dcc2f1538650a7f488ca17ad3029329100495b97c0c8c5a2512af33a125c2f","cross_cats_sorted":["cs.AI","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2026-08-05T14:18:42Z","title_canon_sha256":"663c1ea76236e00e5b8d5d7068ebdace10e1d5e6dc5e45a4c0087ce0c02baa42"},"schema_version":"1.0","source":{"id":"2608.04893","kind":"arxiv","version":1}},"canonical_sha256":"0e8f28acab26b611329f49c666e877de1d5b289b14b454724788549489ec8dd1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0e8f28acab26b611329f49c666e877de1d5b289b14b454724788549489ec8dd1","first_computed_at":"2026-08-06T01:47:33.603373Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-06T01:47:33.603373Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cTEPp4H6cBcJiAr8zW83DM08ReeYWLPLDnW5PfMfvdh/JahBU1eehqK/wdkmMYdR3bp/ZZUGWe+BRh0Deq6DCA==","signature_status":"signed_v1","signed_at":"2026-08-06T01:47:33.604962Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.04893","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f727b75efcb9787f9111607998d1be3d4417694e7acac8e9827c4687740ea325","sha256:6686f760d094c1b7661aa6506fcaaffd3d3da8d4b56a57d0f45905d105f4a280"],"state_sha256":"c4538b6ee923f033acc83c4cb72118ad248ebcc63b74d6b77e9f13fed9e28e6d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sh/YJKA9k/mMYGyazyAsKMlOFgFTuKX9wHYIAN7hvwsIJ9SCrb8u0PCECLbSyuUdz6VlNjg36y1dyOQ+KCBJCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T04:31:02.767966Z","bundle_sha256":"0f310a309e57bfb717139c94245998f61af4a175059385df40905dbedadfd486"}}