{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:6RMY4RLACQCYQ6SZMLA4BHVYCI","merge_version":"pith-open-graph-merge-v1","event_count":3,"valid_event_count":3,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"8533f2c0926cb0d5c0f56e73c513531ba43de1531cc3fa283367648514d1a32e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2026-05-22T14:53:00Z","title_canon_sha256":"9a1b7f1e1c66cd7bbe59b118aaf5b6d0251617b8be6c3dfaa610e99acc24f28b"},"schema_version":"1.0","source":{"id":"2605.23702","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.23702","created_at":"2026-05-25T02:02:27Z"},{"alias_kind":"arxiv_version","alias_value":"2605.23702v1","created_at":"2026-05-25T02:02:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.23702","created_at":"2026-05-25T02:02:27Z"},{"alias_kind":"pith_short_12","alias_value":"6RMY4RLACQCY","created_at":"2026-05-25T02:02:27Z"},{"alias_kind":"pith_short_16","alias_value":"6RMY4RLACQCYQ6SZ","created_at":"2026-05-25T02:02:27Z"},{"alias_kind":"pith_short_8","alias_value":"6RMY4RLA","created_at":"2026-05-25T02:02:27Z"}],"graph_snapshots":[{"event_id":"sha256:7b7cbc126231f66e838aa2e0ded1de18dd41614b115fa76b9e9cfed8d6c824ef","target":"graph","created_at":"2026-05-25T02:02:27Z","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/2605.23702/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Personalized discovery systems often train separate models for item ranking, carousel ranking, and search, even though these tasks expose complementary signals from the same viewer journey: watches shape carousel and item ranking, search queries reveal intent even when they do not lead to a catalog match, and watch history helps interpret search as rewatching, continuation, or new discovery. We introduce the user story, a serialized representation that turns a user's cross-surface history - attributes, sessions, watch events with surface and carousel context, and search events - into a single ","authors_text":"Alexandre Salle, Chenglei Niu, Michael Tamir, Qiang Chen, Saurabh Agrawal, Shervin Shahryari, Suchismit Mahapatra, Suvash Sedhain, Xiaoxiao Chen, Yaqi Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2026-05-22T14:53:00Z","title":"TubiFM: Unified Item, Carousel, and Search Ranking for Streaming Discovery"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.23702","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":"sha256:77447c4779b96bb8497da6f88ae485180da602437f569d8fecc77ae753bd552f","target":"record","created_at":"2026-05-25T02:02:27Z","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":"8533f2c0926cb0d5c0f56e73c513531ba43de1531cc3fa283367648514d1a32e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2026-05-22T14:53:00Z","title_canon_sha256":"9a1b7f1e1c66cd7bbe59b118aaf5b6d0251617b8be6c3dfaa610e99acc24f28b"},"schema_version":"1.0","source":{"id":"2605.23702","kind":"arxiv","version":1}},"canonical_sha256":"f4598e45601405887a5962c1c09eb812327e81f57681988cd60e36698518dc3d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f4598e45601405887a5962c1c09eb812327e81f57681988cd60e36698518dc3d","first_computed_at":"2026-05-25T02:02:27.191474Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-25T02:02:27.191474Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SvpsXevuxHRlyO9tQ9tRrzMJc9fC4eRKuHKX+XOMQvgWbmmRaFhHoR/wNAsP3FxqT8K9Y+kzw4fAHSn/CQtbCg==","signature_status":"signed_v1","signed_at":"2026-05-25T02:02:27.192160Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.23702","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:77447c4779b96bb8497da6f88ae485180da602437f569d8fecc77ae753bd552f","sha256:7b7cbc126231f66e838aa2e0ded1de18dd41614b115fa76b9e9cfed8d6c824ef","sha256:eeb11c22c13ea4a0e6168bb768dc9dc5d243860aea2a6391a1ada207327564ba"],"state_sha256":"4a4a82d20e147bfd87bf32f77b498f7bbdbb424ffb2d03dd7008d60da51a1cdf"}