{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:E4XPP4ZZI2TREIVD5LG5D6PFYF","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":"e8557be37a9692be2d37d1505dfd0207402d327ba8513e791c973c70d882c153","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2026-05-19T11:36:45Z","title_canon_sha256":"dbcbed85ffc6564a04f4eadac928532153ac6970571edb1dc09acd7ed090ff8a"},"schema_version":"1.0","source":{"id":"2605.19698","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.19698","created_at":"2026-05-20T01:05:58Z"},{"alias_kind":"arxiv_version","alias_value":"2605.19698v1","created_at":"2026-05-20T01:05:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.19698","created_at":"2026-05-20T01:05:58Z"},{"alias_kind":"pith_short_12","alias_value":"E4XPP4ZZI2TR","created_at":"2026-05-20T01:05:58Z"},{"alias_kind":"pith_short_16","alias_value":"E4XPP4ZZI2TREIVD","created_at":"2026-05-20T01:05:58Z"},{"alias_kind":"pith_short_8","alias_value":"E4XPP4ZZ","created_at":"2026-05-20T01:05:58Z"}],"graph_snapshots":[{"event_id":"sha256:84c97d4b16340651d925d8ddea50c4e08935448b9fb5cd06ccf2f2974ed689cb","target":"graph","created_at":"2026-05-20T01:05:58Z","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/2605.19698/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Text-to-image diffusion models are increasingly developed through open-source reuse and repeated downstream fine-tuning, where reused checkpoints are difficult to verify and thus more susceptible to hidden backdoor behaviors. In such ecosystems, a single pretrained model may be sequentially adapted and redistributed by multiple independent parties, allowing multiple concept-specific trigger-target associations to accumulate in the same model. When these associations coexist, semantic conflicts can be amplified in the shared representation space, leading to cross-concept entanglement and degrad","authors_text":"Chengcheng Zhu, Chuang Ma, Jiale Zhang, Kai Wang, Songze Li","cross_cats":["cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2026-05-19T11:36:45Z","title":"Awakening the Hydra: Stabilizing Multi-Concept Backdoor Injection in Text-to-Image Diffusion Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.19698","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:a528c556aa4b9aebb7db11f2bad73507cc3d36a985ed093b197ee4a54eaa4136","target":"record","created_at":"2026-05-20T01:05:58Z","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":"e8557be37a9692be2d37d1505dfd0207402d327ba8513e791c973c70d882c153","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2026-05-19T11:36:45Z","title_canon_sha256":"dbcbed85ffc6564a04f4eadac928532153ac6970571edb1dc09acd7ed090ff8a"},"schema_version":"1.0","source":{"id":"2605.19698","kind":"arxiv","version":1}},"canonical_sha256":"272ef7f33946a71222a3eacdd1f9e5c17825c2b115b6aa16a7d24e9098f7f5bf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"272ef7f33946a71222a3eacdd1f9e5c17825c2b115b6aa16a7d24e9098f7f5bf","first_computed_at":"2026-05-20T01:05:58.182600Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T01:05:58.182600Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kQLdxh9ypCJ4/6qKuUnZrDYfd1hglcvU1p9Z0VcFaMw4AHZfgJaSdHjs31FjXenwQ6xUHDZmE8yQmuDNa7JRAg==","signature_status":"signed_v1","signed_at":"2026-05-20T01:05:58.183345Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.19698","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a528c556aa4b9aebb7db11f2bad73507cc3d36a985ed093b197ee4a54eaa4136","sha256:84c97d4b16340651d925d8ddea50c4e08935448b9fb5cd06ccf2f2974ed689cb"],"state_sha256":"aecd17a42d8ff0bfdc3f86f2c5e52484dd5e3c22dce3f4a389144d3e8c03a7ee"}