{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:PBZUF7P2ZJUKWWXFRAHBCSFJAK","short_pith_number":"pith:PBZUF7P2","canonical_record":{"source":{"id":"2512.04668","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2025-12-04T11:00:49Z","cross_cats_sorted":["cs.AI","cs.CL"],"title_canon_sha256":"4ca57347fb6204268f763c1a007f9cb3633f5ec5ae852e0ad77f5d8b3864273b","abstract_canon_sha256":"91771833cdb8e634a009f71826b592f966795aa8694151a9392b7fb33cf5f591"},"schema_version":"1.0"},"canonical_sha256":"787342fdfaca68ab5ae5880e1148a90285ad1f5abde210d16b26499b605096ba","source":{"kind":"arxiv","id":"2512.04668","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2512.04668","created_at":"2026-06-04T01:09:40Z"},{"alias_kind":"arxiv_version","alias_value":"2512.04668v4","created_at":"2026-06-04T01:09:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.04668","created_at":"2026-06-04T01:09:40Z"},{"alias_kind":"pith_short_12","alias_value":"PBZUF7P2ZJUK","created_at":"2026-06-04T01:09:40Z"},{"alias_kind":"pith_short_16","alias_value":"PBZUF7P2ZJUKWWXF","created_at":"2026-06-04T01:09:40Z"},{"alias_kind":"pith_short_8","alias_value":"PBZUF7P2","created_at":"2026-06-04T01:09:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:PBZUF7P2ZJUKWWXFRAHBCSFJAK","target":"record","payload":{"canonical_record":{"source":{"id":"2512.04668","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2025-12-04T11:00:49Z","cross_cats_sorted":["cs.AI","cs.CL"],"title_canon_sha256":"4ca57347fb6204268f763c1a007f9cb3633f5ec5ae852e0ad77f5d8b3864273b","abstract_canon_sha256":"91771833cdb8e634a009f71826b592f966795aa8694151a9392b7fb33cf5f591"},"schema_version":"1.0"},"canonical_sha256":"787342fdfaca68ab5ae5880e1148a90285ad1f5abde210d16b26499b605096ba","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-04T01:09:40.045160Z","signature_b64":"WaF8rvOvCPFwW5L+iV938gk0L3cRAl9Q4+1QxE76I8h7stG9ThBPfNZ5QweZ61fpujfnF7i6mlrhSvnligEtDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"787342fdfaca68ab5ae5880e1148a90285ad1f5abde210d16b26499b605096ba","last_reissued_at":"2026-06-04T01:09:40.044539Z","signature_status":"signed_v1","first_computed_at":"2026-06-04T01:09:40.044539Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2512.04668","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-04T01:09:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n4fFygcirGanSj+7pDN3FxfdjAGfAX3v870DtNUWEWwum0qpjD6P2+mGvl601oSwkOFmCvEkBIfs64+wqiG9CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T04:39:48.514837Z"},"content_sha256":"7e7c20e99a2b309af8655ed94a9e02932565c78588e5d7253aa173c2867baf6b","schema_version":"1.0","event_id":"sha256:7e7c20e99a2b309af8655ed94a9e02932565c78588e5d7253aa173c2867baf6b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:PBZUF7P2ZJUKWWXFRAHBCSFJAK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Topology Matters: Measuring Memory Leakage in Multi-Agent LLMs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI","cs.CL"],"primary_cat":"cs.CR","authors_text":"Defu Cao, Jinbo Liu, Tianyao Su, Xiyang Hu, Yan Liu, Yifei Wei, Yuan Liang, Yue Zhao, Yushun Dong","submitted_at":"2025-12-04T11:00:49Z","abstract_excerpt":"Graph topology is a fundamental determinant of memory leakage in multi-agent LLM systems, yet its effects remain poorly quantified. We introduce MAMA (Multi-Agent Memory Attack), a controlled evaluation framework for comparing topology-conditioned memory leakage in multi-agent LLM systems. MAMA operates on synthetic documents containing labeled Personally Identifiable Information (PII) entities, from which we generate sanitized task instructions. We execute a two-phase protocol: Engram (seeding private information into a target agent's memory) and Resonance (multi-round interaction where an at"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2512.04668","kind":"arxiv","version":4},"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/2512.04668/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":"2026-06-04T01:09:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OBDxnWbZMJYYh9Ygub78qpNB+BmFcIKIgoePIJF7wPsf7m7hHuHNp7fDuqThm5uIe5uhGqHBfqL/UIWvFq1VAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T04:39:48.515463Z"},"content_sha256":"4a5fdd7a057586abf26c68ba0191895c27d1468076af58e04088935ad490e95c","schema_version":"1.0","event_id":"sha256:4a5fdd7a057586abf26c68ba0191895c27d1468076af58e04088935ad490e95c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PBZUF7P2ZJUKWWXFRAHBCSFJAK/bundle.json","state_url":"https://pith.science/pith/PBZUF7P2ZJUKWWXFRAHBCSFJAK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PBZUF7P2ZJUKWWXFRAHBCSFJAK/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":"2026-06-07T04:39:48Z","links":{"resolver":"https://pith.science/pith/PBZUF7P2ZJUKWWXFRAHBCSFJAK","bundle":"https://pith.science/pith/PBZUF7P2ZJUKWWXFRAHBCSFJAK/bundle.json","state":"https://pith.science/pith/PBZUF7P2ZJUKWWXFRAHBCSFJAK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PBZUF7P2ZJUKWWXFRAHBCSFJAK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:PBZUF7P2ZJUKWWXFRAHBCSFJAK","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":"91771833cdb8e634a009f71826b592f966795aa8694151a9392b7fb33cf5f591","cross_cats_sorted":["cs.AI","cs.CL"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2025-12-04T11:00:49Z","title_canon_sha256":"4ca57347fb6204268f763c1a007f9cb3633f5ec5ae852e0ad77f5d8b3864273b"},"schema_version":"1.0","source":{"id":"2512.04668","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2512.04668","created_at":"2026-06-04T01:09:40Z"},{"alias_kind":"arxiv_version","alias_value":"2512.04668v4","created_at":"2026-06-04T01:09:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.04668","created_at":"2026-06-04T01:09:40Z"},{"alias_kind":"pith_short_12","alias_value":"PBZUF7P2ZJUK","created_at":"2026-06-04T01:09:40Z"},{"alias_kind":"pith_short_16","alias_value":"PBZUF7P2ZJUKWWXF","created_at":"2026-06-04T01:09:40Z"},{"alias_kind":"pith_short_8","alias_value":"PBZUF7P2","created_at":"2026-06-04T01:09:40Z"}],"graph_snapshots":[{"event_id":"sha256:4a5fdd7a057586abf26c68ba0191895c27d1468076af58e04088935ad490e95c","target":"graph","created_at":"2026-06-04T01:09:40Z","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/2512.04668/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Graph topology is a fundamental determinant of memory leakage in multi-agent LLM systems, yet its effects remain poorly quantified. We introduce MAMA (Multi-Agent Memory Attack), a controlled evaluation framework for comparing topology-conditioned memory leakage in multi-agent LLM systems. MAMA operates on synthetic documents containing labeled Personally Identifiable Information (PII) entities, from which we generate sanitized task instructions. We execute a two-phase protocol: Engram (seeding private information into a target agent's memory) and Resonance (multi-round interaction where an at","authors_text":"Defu Cao, Jinbo Liu, Tianyao Su, Xiyang Hu, Yan Liu, Yifei Wei, Yuan Liang, Yue Zhao, Yushun Dong","cross_cats":["cs.AI","cs.CL"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2025-12-04T11:00:49Z","title":"Topology Matters: Measuring Memory Leakage in Multi-Agent LLMs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2512.04668","kind":"arxiv","version":4},"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":"sha256:7e7c20e99a2b309af8655ed94a9e02932565c78588e5d7253aa173c2867baf6b","target":"record","created_at":"2026-06-04T01:09:40Z","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":"91771833cdb8e634a009f71826b592f966795aa8694151a9392b7fb33cf5f591","cross_cats_sorted":["cs.AI","cs.CL"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2025-12-04T11:00:49Z","title_canon_sha256":"4ca57347fb6204268f763c1a007f9cb3633f5ec5ae852e0ad77f5d8b3864273b"},"schema_version":"1.0","source":{"id":"2512.04668","kind":"arxiv","version":4}},"canonical_sha256":"787342fdfaca68ab5ae5880e1148a90285ad1f5abde210d16b26499b605096ba","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"787342fdfaca68ab5ae5880e1148a90285ad1f5abde210d16b26499b605096ba","first_computed_at":"2026-06-04T01:09:40.044539Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-04T01:09:40.044539Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WaF8rvOvCPFwW5L+iV938gk0L3cRAl9Q4+1QxE76I8h7stG9ThBPfNZ5QweZ61fpujfnF7i6mlrhSvnligEtDg==","signature_status":"signed_v1","signed_at":"2026-06-04T01:09:40.045160Z","signed_message":"canonical_sha256_bytes"},"source_id":"2512.04668","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7e7c20e99a2b309af8655ed94a9e02932565c78588e5d7253aa173c2867baf6b","sha256:4a5fdd7a057586abf26c68ba0191895c27d1468076af58e04088935ad490e95c"],"state_sha256":"a18187fd02e08a8aa3290d0344d59243b2fd39e8105ade77cd598f4122320d7e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AcBfoyv79Pp68xlq318605XQImr8+NdDl1bchfIsNa9uD4XIToPB3sWxaCw9KcqSgo88cacj8KESSOI4Ba8/AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T04:39:48.518464Z","bundle_sha256":"31b1735482b8e4d9741875f771ab2ea06c038a6e80622b657472351a1a69d92c"}}