{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:EQU73ZMKHTS3C7KAPFPUILX725","short_pith_number":"pith:EQU73ZMK","canonical_record":{"source":{"id":"2605.18803","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-05-11T14:24:19Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"ecb53f26f389e65c34ab6661b1439a2d64f9550a120e9a14ecbf02ce7c803060","abstract_canon_sha256":"53384821af8b867519c73eeb46941c2ac33b2d5761f67e13e00246a84889115a"},"schema_version":"1.0"},"canonical_sha256":"2429fde58a3ce5b17d40795f442effd744085dc67d1d02bc799a83ccc5d2a92b","source":{"kind":"arxiv","id":"2605.18803","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.18803","created_at":"2026-05-20T00:06:23Z"},{"alias_kind":"arxiv_version","alias_value":"2605.18803v1","created_at":"2026-05-20T00:06:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.18803","created_at":"2026-05-20T00:06:23Z"},{"alias_kind":"pith_short_12","alias_value":"EQU73ZMKHTS3","created_at":"2026-05-20T00:06:23Z"},{"alias_kind":"pith_short_16","alias_value":"EQU73ZMKHTS3C7KA","created_at":"2026-05-20T00:06:23Z"},{"alias_kind":"pith_short_8","alias_value":"EQU73ZMK","created_at":"2026-05-20T00:06:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:EQU73ZMKHTS3C7KAPFPUILX725","target":"record","payload":{"canonical_record":{"source":{"id":"2605.18803","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-05-11T14:24:19Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"ecb53f26f389e65c34ab6661b1439a2d64f9550a120e9a14ecbf02ce7c803060","abstract_canon_sha256":"53384821af8b867519c73eeb46941c2ac33b2d5761f67e13e00246a84889115a"},"schema_version":"1.0"},"canonical_sha256":"2429fde58a3ce5b17d40795f442effd744085dc67d1d02bc799a83ccc5d2a92b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T00:06:23.313528Z","signature_b64":"560tLytyieoBHYiOyFGi0DxSiBaaF2Pb1bCGIGN176ARvxn0h0meVQSx0dzl0Fxx0JuYG/s2lX7qX5y5EmV6Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2429fde58a3ce5b17d40795f442effd744085dc67d1d02bc799a83ccc5d2a92b","last_reissued_at":"2026-05-20T00:06:23.312783Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T00:06:23.312783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.18803","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":"2026-05-20T00:06:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WzzS09mQ6lvokJ3UVwFQBqa10QetVncHy19eWUofJst8bN/umiBuZd8FXe30r7s3cQuQpwUBsWncfjyTshqUCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T05:08:21.692875Z"},"content_sha256":"e73dc24a10763d4910625d4697ca131e86fe2330c678697d8ca1fcedab9d104f","schema_version":"1.0","event_id":"sha256:e73dc24a10763d4910625d4697ca131e86fe2330c678697d8ca1fcedab9d104f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:EQU73ZMKHTS3C7KAPFPUILX725","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"PROWL: Prioritized Regret-Driven Optimization for World Model Learning","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.LG","authors_text":"Ahmet H. G\\\"uzel, Benjamin Graham, Ilija Bogunovic, Jack Parker-Holder, Jeffrey Hawke, Jenny Seidenschwarz, Jonathan Sadeghi","submitted_at":"2026-05-11T14:24:19Z","abstract_excerpt":"Modern action-conditioned video world models achieve strong short-horizon visual realism, yet remain unreliable on rare, interaction-critical transitions that dominate downstream planning and policy performance. Because passive demonstration data systematically under-samples these high-impact regimes, improving robustness requires actively eliciting model failures rather than relying on their natural occurrence. We introduce a KL-constrained adversarial curriculum in which a policy is trained to expose high-error trajectories of a diffusion-based world model while remaining close to the behavi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.18803","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/2605.18803/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":"2026-05-20T00:06:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0nxoWw+Qn+BZmMeJHZOB5ZWufg93dYWXB+T3wRuaSL1xP0+m262YWvIaj2eBqBCZ8hbmaSFkukACYl1UbVNtDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T05:08:21.693579Z"},"content_sha256":"67e8b53ea1a65fe18fe91ea7d9df0ec4b43ade46bbad831de9ca7556d0193b06","schema_version":"1.0","event_id":"sha256:67e8b53ea1a65fe18fe91ea7d9df0ec4b43ade46bbad831de9ca7556d0193b06"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EQU73ZMKHTS3C7KAPFPUILX725/bundle.json","state_url":"https://pith.science/pith/EQU73ZMKHTS3C7KAPFPUILX725/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EQU73ZMKHTS3C7KAPFPUILX725/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":"2026-05-22T05:08:21Z","links":{"resolver":"https://pith.science/pith/EQU73ZMKHTS3C7KAPFPUILX725","bundle":"https://pith.science/pith/EQU73ZMKHTS3C7KAPFPUILX725/bundle.json","state":"https://pith.science/pith/EQU73ZMKHTS3C7KAPFPUILX725/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EQU73ZMKHTS3C7KAPFPUILX725/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:EQU73ZMKHTS3C7KAPFPUILX725","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":"53384821af8b867519c73eeb46941c2ac33b2d5761f67e13e00246a84889115a","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-05-11T14:24:19Z","title_canon_sha256":"ecb53f26f389e65c34ab6661b1439a2d64f9550a120e9a14ecbf02ce7c803060"},"schema_version":"1.0","source":{"id":"2605.18803","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.18803","created_at":"2026-05-20T00:06:23Z"},{"alias_kind":"arxiv_version","alias_value":"2605.18803v1","created_at":"2026-05-20T00:06:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.18803","created_at":"2026-05-20T00:06:23Z"},{"alias_kind":"pith_short_12","alias_value":"EQU73ZMKHTS3","created_at":"2026-05-20T00:06:23Z"},{"alias_kind":"pith_short_16","alias_value":"EQU73ZMKHTS3C7KA","created_at":"2026-05-20T00:06:23Z"},{"alias_kind":"pith_short_8","alias_value":"EQU73ZMK","created_at":"2026-05-20T00:06:23Z"}],"graph_snapshots":[{"event_id":"sha256:67e8b53ea1a65fe18fe91ea7d9df0ec4b43ade46bbad831de9ca7556d0193b06","target":"graph","created_at":"2026-05-20T00:06:23Z","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/2605.18803/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Modern action-conditioned video world models achieve strong short-horizon visual realism, yet remain unreliable on rare, interaction-critical transitions that dominate downstream planning and policy performance. Because passive demonstration data systematically under-samples these high-impact regimes, improving robustness requires actively eliciting model failures rather than relying on their natural occurrence. We introduce a KL-constrained adversarial curriculum in which a policy is trained to expose high-error trajectories of a diffusion-based world model while remaining close to the behavi","authors_text":"Ahmet H. G\\\"uzel, Benjamin Graham, Ilija Bogunovic, Jack Parker-Holder, Jeffrey Hawke, Jenny Seidenschwarz, Jonathan Sadeghi","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-05-11T14:24:19Z","title":"PROWL: Prioritized Regret-Driven Optimization for World Model Learning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.18803","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:e73dc24a10763d4910625d4697ca131e86fe2330c678697d8ca1fcedab9d104f","target":"record","created_at":"2026-05-20T00:06:23Z","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":"53384821af8b867519c73eeb46941c2ac33b2d5761f67e13e00246a84889115a","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-05-11T14:24:19Z","title_canon_sha256":"ecb53f26f389e65c34ab6661b1439a2d64f9550a120e9a14ecbf02ce7c803060"},"schema_version":"1.0","source":{"id":"2605.18803","kind":"arxiv","version":1}},"canonical_sha256":"2429fde58a3ce5b17d40795f442effd744085dc67d1d02bc799a83ccc5d2a92b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2429fde58a3ce5b17d40795f442effd744085dc67d1d02bc799a83ccc5d2a92b","first_computed_at":"2026-05-20T00:06:23.312783Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T00:06:23.312783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"560tLytyieoBHYiOyFGi0DxSiBaaF2Pb1bCGIGN176ARvxn0h0meVQSx0dzl0Fxx0JuYG/s2lX7qX5y5EmV6Cg==","signature_status":"signed_v1","signed_at":"2026-05-20T00:06:23.313528Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.18803","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e73dc24a10763d4910625d4697ca131e86fe2330c678697d8ca1fcedab9d104f","sha256:67e8b53ea1a65fe18fe91ea7d9df0ec4b43ade46bbad831de9ca7556d0193b06"],"state_sha256":"fb43b9943a688837f7dcca90b8b6ea4f198b0c96996edc9a764470d9ef925bc8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yHEAjYFeL35G49ee+XrUXN6SEuM2sr5X0l4To8BrnBnvc8XIOD0R0ar8pzUo8esJOhG9Dv1iRLgM0DxVyap5Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T05:08:21.697293Z","bundle_sha256":"07b137a16b67ad2f63b958bc18d7c975083ab1913aee499c2156a1f2be9b3940"}}