{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:NSXGAYOABZKBI5FUDCUF6TTM3O","short_pith_number":"pith:NSXGAYOA","schema_version":"1.0","canonical_sha256":"6cae6061c00e541474b418a85f4e6cdba5bc5c61cf6cd4c38d677affb3e5bee2","source":{"kind":"arxiv","id":"2607.18566","version":1},"attestation_state":"computed","paper":{"title":"The Story Shapes the Agent: Narrative Priors in LLM Behavior","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CL","authors_text":"James Lester, Shashank Srivastava, Yixuan Wang","submitted_at":"2026-07-20T23:03:16Z","abstract_excerpt":"Persona prompting is widely used to steer LLM agent behavior, yet the narrative framing of a task can matter more than the assigned persona. We isolate this effect through structural isomorphism, constructing three text-based investigation games that share the same action space, stage progression, and resource constraints while varying only task narrative: disease investigation, IT troubleshooting, and murder mystery. Across 1,890 sessions spanning 3 models and 10 personas, we identify narrative priors: systematic action tendencies activated by a task's story framing, independent of its decisi"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2607.18566","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-07-20T23:03:16Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"458c921ce06312e5b2964b681a5f0401739b1bcf19b237ab8fe1d6c8c347cbc3","abstract_canon_sha256":"90e6857835c9b1e71e472d44fbc197a785c47bc746d84e368bd24cb7b8d998ac"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-22T00:22:54.594673Z","signature_b64":"E9eWGlc54tJIw7R17vVELeFJDPjWWtDhpRuNFGidy6JtWuo0dh1V7b/EXca1ZLETd9of2NEVQT5cUvQ9nMX5BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6cae6061c00e541474b418a85f4e6cdba5bc5c61cf6cd4c38d677affb3e5bee2","last_reissued_at":"2026-07-22T00:22:54.593865Z","signature_status":"signed_v1","first_computed_at":"2026-07-22T00:22:54.593865Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Story Shapes the Agent: Narrative Priors in LLM Behavior","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CL","authors_text":"James Lester, Shashank Srivastava, Yixuan Wang","submitted_at":"2026-07-20T23:03:16Z","abstract_excerpt":"Persona prompting is widely used to steer LLM agent behavior, yet the narrative framing of a task can matter more than the assigned persona. We isolate this effect through structural isomorphism, constructing three text-based investigation games that share the same action space, stage progression, and resource constraints while varying only task narrative: disease investigation, IT troubleshooting, and murder mystery. Across 1,890 sessions spanning 3 models and 10 personas, we identify narrative priors: systematic action tendencies activated by a task's story framing, independent of its decisi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.18566","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/2607.18566/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2607.18566","created_at":"2026-07-22T00:22:54.594274+00:00"},{"alias_kind":"arxiv_version","alias_value":"2607.18566v1","created_at":"2026-07-22T00:22:54.594274+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.18566","created_at":"2026-07-22T00:22:54.594274+00:00"},{"alias_kind":"pith_short_12","alias_value":"NSXGAYOABZKB","created_at":"2026-07-22T00:22:54.594274+00:00"},{"alias_kind":"pith_short_16","alias_value":"NSXGAYOABZKBI5FU","created_at":"2026-07-22T00:22:54.594274+00:00"},{"alias_kind":"pith_short_8","alias_value":"NSXGAYOA","created_at":"2026-07-22T00:22:54.594274+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/NSXGAYOABZKBI5FUDCUF6TTM3O","json":"https://pith.science/pith/NSXGAYOABZKBI5FUDCUF6TTM3O.json","graph_json":"https://pith.science/api/pith-number/NSXGAYOABZKBI5FUDCUF6TTM3O/graph.json","events_json":"https://pith.science/api/pith-number/NSXGAYOABZKBI5FUDCUF6TTM3O/events.json","paper":"https://pith.science/paper/NSXGAYOA"},"agent_actions":{"view_html":"https://pith.science/pith/NSXGAYOABZKBI5FUDCUF6TTM3O","download_json":"https://pith.science/pith/NSXGAYOABZKBI5FUDCUF6TTM3O.json","view_paper":"https://pith.science/paper/NSXGAYOA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2607.18566&json=true","fetch_graph":"https://pith.science/api/pith-number/NSXGAYOABZKBI5FUDCUF6TTM3O/graph.json","fetch_events":"https://pith.science/api/pith-number/NSXGAYOABZKBI5FUDCUF6TTM3O/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NSXGAYOABZKBI5FUDCUF6TTM3O/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NSXGAYOABZKBI5FUDCUF6TTM3O/action/storage_attestation","attest_author":"https://pith.science/pith/NSXGAYOABZKBI5FUDCUF6TTM3O/action/author_attestation","sign_citation":"https://pith.science/pith/NSXGAYOABZKBI5FUDCUF6TTM3O/action/citation_signature","submit_replication":"https://pith.science/pith/NSXGAYOABZKBI5FUDCUF6TTM3O/action/replication_record"}},"created_at":"2026-07-22T00:22:54.594274+00:00","updated_at":"2026-07-22T00:22:54.594274+00:00"}