{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:VC2JT54USCS2ZFHUMWYNEDY35V","short_pith_number":"pith:VC2JT54U","canonical_record":{"source":{"id":"2606.30566","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2026-06-29T17:09:03Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"3f2f3930c2bd384eef7ef703fc1c11a382b688850fe594f8cdc22ccb6a296ecc","abstract_canon_sha256":"150cc441551c068b080808ef0c53b719932780bd0b842c97f7a7381a7c57817e"},"schema_version":"1.0"},"canonical_sha256":"a8b499f79490a5ac94f465b0d20f1bed6a21b7484400cd46edb60c01c2d3850e","source":{"kind":"arxiv","id":"2606.30566","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.30566","created_at":"2026-06-30T02:18:20Z"},{"alias_kind":"arxiv_version","alias_value":"2606.30566v1","created_at":"2026-06-30T02:18:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.30566","created_at":"2026-06-30T02:18:20Z"},{"alias_kind":"pith_short_12","alias_value":"VC2JT54USCS2","created_at":"2026-06-30T02:18:20Z"},{"alias_kind":"pith_short_16","alias_value":"VC2JT54USCS2ZFHU","created_at":"2026-06-30T02:18:20Z"},{"alias_kind":"pith_short_8","alias_value":"VC2JT54U","created_at":"2026-06-30T02:18:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:VC2JT54USCS2ZFHUMWYNEDY35V","target":"record","payload":{"canonical_record":{"source":{"id":"2606.30566","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2026-06-29T17:09:03Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"3f2f3930c2bd384eef7ef703fc1c11a382b688850fe594f8cdc22ccb6a296ecc","abstract_canon_sha256":"150cc441551c068b080808ef0c53b719932780bd0b842c97f7a7381a7c57817e"},"schema_version":"1.0"},"canonical_sha256":"a8b499f79490a5ac94f465b0d20f1bed6a21b7484400cd46edb60c01c2d3850e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-30T02:18:20.776799Z","signature_b64":"PChysR1qXFAX8F0AAUrgLphXVyBzEOX2rD1ldyJIAJSN9RL8ggkOH8aRCQj0rNU2/n63yKWh5N/Dcj2CSphvDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a8b499f79490a5ac94f465b0d20f1bed6a21b7484400cd46edb60c01c2d3850e","last_reissued_at":"2026-06-30T02:18:20.776303Z","signature_status":"signed_v1","first_computed_at":"2026-06-30T02:18:20.776303Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.30566","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":"2026-06-30T02:18:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wFsQErxeZuGlWERTADr0g4e/6yzKHt7zq9peRfiMKaxMPaNRoPYgFVnF/dAgPfDdabYyMhkTJXV5g64Ei0VwCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T07:14:56.222124Z"},"content_sha256":"df51864cd2c218bc803f9bbf42443636d448ff49f2d8f0605563d8df3965d64a","schema_version":"1.0","event_id":"sha256:df51864cd2c218bc803f9bbf42443636d448ff49f2d8f0605563d8df3965d64a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:VC2JT54USCS2ZFHUMWYNEDY35V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Forensic Trajectory Signatures for Agent Memory Poisoning Detection","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.LG"],"primary_cat":"cs.CR","authors_text":"Jun Wen Leong","submitted_at":"2026-06-29T17:09:03Z","abstract_excerpt":"We discover a behavioral invariant in LLM agents under persistent memory poisoning: in architectures where routing information is retrieved through observable memory-tool invocations, successful attacks require calling memory_recall_fact before email_send_email, a transition that non-exfiltrating sessions rarely exhibit. Under the evaluated architecture, this invariant follows from the attack's information-retrieval dependency rather than being merely an empirical correlation, and suppressing it breaks the attack. A simple rule exploiting this invariant alone achieves AUC = 0.9563. A Random Fo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.30566","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/2606.30566/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":"2026-06-30T02:18:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y+kjqGeGUmxnYg9T29s3CZAoHU2wZIHYH4VrWL5wmYS31YAAUXl1uYwQ0O7ziwmo0Qh8672ZF/83cvK1b9kbBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T07:14:56.223133Z"},"content_sha256":"971142c3732e8544835b49a52b796f92b962034500f285b0828ff6bc340a41f5","schema_version":"1.0","event_id":"sha256:971142c3732e8544835b49a52b796f92b962034500f285b0828ff6bc340a41f5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VC2JT54USCS2ZFHUMWYNEDY35V/bundle.json","state_url":"https://pith.science/pith/VC2JT54USCS2ZFHUMWYNEDY35V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VC2JT54USCS2ZFHUMWYNEDY35V/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":"2026-08-11T07:14:56Z","links":{"resolver":"https://pith.science/pith/VC2JT54USCS2ZFHUMWYNEDY35V","bundle":"https://pith.science/pith/VC2JT54USCS2ZFHUMWYNEDY35V/bundle.json","state":"https://pith.science/pith/VC2JT54USCS2ZFHUMWYNEDY35V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VC2JT54USCS2ZFHUMWYNEDY35V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:VC2JT54USCS2ZFHUMWYNEDY35V","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":"150cc441551c068b080808ef0c53b719932780bd0b842c97f7a7381a7c57817e","cross_cats_sorted":["cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2026-06-29T17:09:03Z","title_canon_sha256":"3f2f3930c2bd384eef7ef703fc1c11a382b688850fe594f8cdc22ccb6a296ecc"},"schema_version":"1.0","source":{"id":"2606.30566","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.30566","created_at":"2026-06-30T02:18:20Z"},{"alias_kind":"arxiv_version","alias_value":"2606.30566v1","created_at":"2026-06-30T02:18:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.30566","created_at":"2026-06-30T02:18:20Z"},{"alias_kind":"pith_short_12","alias_value":"VC2JT54USCS2","created_at":"2026-06-30T02:18:20Z"},{"alias_kind":"pith_short_16","alias_value":"VC2JT54USCS2ZFHU","created_at":"2026-06-30T02:18:20Z"},{"alias_kind":"pith_short_8","alias_value":"VC2JT54U","created_at":"2026-06-30T02:18:20Z"}],"graph_snapshots":[{"event_id":"sha256:971142c3732e8544835b49a52b796f92b962034500f285b0828ff6bc340a41f5","target":"graph","created_at":"2026-06-30T02:18:20Z","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/2606.30566/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We discover a behavioral invariant in LLM agents under persistent memory poisoning: in architectures where routing information is retrieved through observable memory-tool invocations, successful attacks require calling memory_recall_fact before email_send_email, a transition that non-exfiltrating sessions rarely exhibit. Under the evaluated architecture, this invariant follows from the attack's information-retrieval dependency rather than being merely an empirical correlation, and suppressing it breaks the attack. A simple rule exploiting this invariant alone achieves AUC = 0.9563. A Random Fo","authors_text":"Jun Wen Leong","cross_cats":["cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2026-06-29T17:09:03Z","title":"Forensic Trajectory Signatures for Agent Memory Poisoning Detection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.30566","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:df51864cd2c218bc803f9bbf42443636d448ff49f2d8f0605563d8df3965d64a","target":"record","created_at":"2026-06-30T02:18:20Z","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":"150cc441551c068b080808ef0c53b719932780bd0b842c97f7a7381a7c57817e","cross_cats_sorted":["cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2026-06-29T17:09:03Z","title_canon_sha256":"3f2f3930c2bd384eef7ef703fc1c11a382b688850fe594f8cdc22ccb6a296ecc"},"schema_version":"1.0","source":{"id":"2606.30566","kind":"arxiv","version":1}},"canonical_sha256":"a8b499f79490a5ac94f465b0d20f1bed6a21b7484400cd46edb60c01c2d3850e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a8b499f79490a5ac94f465b0d20f1bed6a21b7484400cd46edb60c01c2d3850e","first_computed_at":"2026-06-30T02:18:20.776303Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-30T02:18:20.776303Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PChysR1qXFAX8F0AAUrgLphXVyBzEOX2rD1ldyJIAJSN9RL8ggkOH8aRCQj0rNU2/n63yKWh5N/Dcj2CSphvDw==","signature_status":"signed_v1","signed_at":"2026-06-30T02:18:20.776799Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.30566","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:df51864cd2c218bc803f9bbf42443636d448ff49f2d8f0605563d8df3965d64a","sha256:971142c3732e8544835b49a52b796f92b962034500f285b0828ff6bc340a41f5"],"state_sha256":"e9786e596f5ee8dc1876c59390d8f1537d332ff0bc17f7e407a3e4fdee98efc8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C/WDD/D6sKPDTdTkd0KGYXkTkiT8lsq14/NKEeJAIlESq2hC1fCtchmD6NsXL5W1FY9Cuz48tJzH8bezNJmbCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T07:14:56.228598Z","bundle_sha256":"1800dbbdce1e9b7eeeaa336036c3709107f5c9c18969cec1a99d5d9cd2cada69"}}