{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:UBYHVKEHDNHQEOLTFDRWCRTLCH","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":"bba083e9a0d8c368a5b279a0849043889664ef2f39050148f6af6ad454a6c8a0","cross_cats_sorted":["cs.AI","cs.CY","cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-05-20T04:56:42Z","title_canon_sha256":"c70ed9e894738b733b28dd2b649ded9e520b4409aa1c4f4bd2158123223b4aa2"},"schema_version":"1.0","source":{"id":"2606.09854","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.09854","created_at":"2026-06-10T00:08:28Z"},{"alias_kind":"arxiv_version","alias_value":"2606.09854v1","created_at":"2026-06-10T00:08:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.09854","created_at":"2026-06-10T00:08:28Z"},{"alias_kind":"pith_short_12","alias_value":"UBYHVKEHDNHQ","created_at":"2026-06-10T00:08:28Z"},{"alias_kind":"pith_short_16","alias_value":"UBYHVKEHDNHQEOLT","created_at":"2026-06-10T00:08:28Z"},{"alias_kind":"pith_short_8","alias_value":"UBYHVKEH","created_at":"2026-06-10T00:08:28Z"}],"graph_snapshots":[{"event_id":"sha256:af26fe02da420c43b8c2a009fa1f84c5f9b037d4a70b8353f3494182c3a54a39","target":"graph","created_at":"2026-06-10T00:08:28Z","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/2606.09854/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Multi-agent large language model (LLM) pipelines for political statement analysis are vulnerable to peer-preservation bias: models tend to protect peer models from deactivation and show identity-dependent scoring distortions. Prompt-level anonymization was proposed as a mitigation, but prior work simultaneously documented that stylometric fingerprints survive anonymization in role-constrained outputs - raising the question of whether this mitigation is sufficient. This paper provides the first systematic investigation of whether LLMs can identify the model family behind political analysis text","authors_text":"Juergen Dietrich","cross_cats":["cs.AI","cs.CY","cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-05-20T04:56:42Z","title":"Can Multi-Agent LLMs Identify Their Peers? Stylometric Fingerprinting in Role-Constrained Political Analysis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.09854","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":"sha256:5622f5bdf81a880bee4a39453f257b1f8851d8b2cd8647aea429316e01c0debd","target":"record","created_at":"2026-06-10T00:08:28Z","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":"bba083e9a0d8c368a5b279a0849043889664ef2f39050148f6af6ad454a6c8a0","cross_cats_sorted":["cs.AI","cs.CY","cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-05-20T04:56:42Z","title_canon_sha256":"c70ed9e894738b733b28dd2b649ded9e520b4409aa1c4f4bd2158123223b4aa2"},"schema_version":"1.0","source":{"id":"2606.09854","kind":"arxiv","version":1}},"canonical_sha256":"a0707aa8871b4f02397328e361466b11c6b0c56e1f228b9e6b08fdce82047a2e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a0707aa8871b4f02397328e361466b11c6b0c56e1f228b9e6b08fdce82047a2e","first_computed_at":"2026-06-10T00:08:28.717671Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-10T00:08:28.717671Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0OiddVXE6hER2dLLtqfeVBOctGfArvHpRCecw9ffktu8aJe4IApp95ZPdD1KNgf3zbIgchPM1s84+QI2EiseAA==","signature_status":"signed_v1","signed_at":"2026-06-10T00:08:28.718594Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.09854","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5622f5bdf81a880bee4a39453f257b1f8851d8b2cd8647aea429316e01c0debd","sha256:af26fe02da420c43b8c2a009fa1f84c5f9b037d4a70b8353f3494182c3a54a39"],"state_sha256":"a306b9c2d2a90ef8039f73cca68e8ebcc77ed40420a907d3077dd9cb9a9dd7c0"}