{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:NI6KV7LZRHKWTNINBWJOSOPWQY","short_pith_number":"pith:NI6KV7LZ","canonical_record":{"source":{"id":"2606.03382","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-06-02T09:26:26Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"fa27d805494359bf7c5f962aa00bac2400c594eae5a509333b043e8baca497c3","abstract_canon_sha256":"7280101a9a8111b477b7b0e819d2604fc1778c6089474ea5d4d56280b5096584"},"schema_version":"1.0"},"canonical_sha256":"6a3caafd7989d569b50d0d92e939f6861c938f8f6a0b30be71b5819335d942cf","source":{"kind":"arxiv","id":"2606.03382","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.03382","created_at":"2026-06-03T01:05:56Z"},{"alias_kind":"arxiv_version","alias_value":"2606.03382v1","created_at":"2026-06-03T01:05:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.03382","created_at":"2026-06-03T01:05:56Z"},{"alias_kind":"pith_short_12","alias_value":"NI6KV7LZRHKW","created_at":"2026-06-03T01:05:56Z"},{"alias_kind":"pith_short_16","alias_value":"NI6KV7LZRHKWTNIN","created_at":"2026-06-03T01:05:56Z"},{"alias_kind":"pith_short_8","alias_value":"NI6KV7LZ","created_at":"2026-06-03T01:05:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:NI6KV7LZRHKWTNINBWJOSOPWQY","target":"record","payload":{"canonical_record":{"source":{"id":"2606.03382","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-06-02T09:26:26Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"fa27d805494359bf7c5f962aa00bac2400c594eae5a509333b043e8baca497c3","abstract_canon_sha256":"7280101a9a8111b477b7b0e819d2604fc1778c6089474ea5d4d56280b5096584"},"schema_version":"1.0"},"canonical_sha256":"6a3caafd7989d569b50d0d92e939f6861c938f8f6a0b30be71b5819335d942cf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-03T01:05:56.474119Z","signature_b64":"hd18kZ5dYapNjKmtgdmlybRVE+C43tcEv/RIYq5oo3GnSj+Vrw6RJZ3yNje8/d1iW+hle4M25F70kCLIvPj1Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6a3caafd7989d569b50d0d92e939f6861c938f8f6a0b30be71b5819335d942cf","last_reissued_at":"2026-06-03T01:05:56.473712Z","signature_status":"signed_v1","first_computed_at":"2026-06-03T01:05:56.473712Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.03382","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":"2026-06-03T01:05:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EFM/fmXPJXsRAyt/M5tfkj7FeNNzOZtAAgQqxii0gLB9kEvixlzhCC+b7qAtcNiVVuTkfMXrZ0Tq/IWVcjfHBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T16:59:43.571229Z"},"content_sha256":"0c00d1e6d9b1822e0806800d30d896edadd5bb71a5ccf0c15fb5980c0f684638","schema_version":"1.0","event_id":"sha256:0c00d1e6d9b1822e0806800d30d896edadd5bb71a5ccf0c15fb5980c0f684638"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:NI6KV7LZRHKWTNINBWJOSOPWQY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Local Guidance, Global Impact: Gaussian-Reshaped Trust Region Unlocks Behavior Transitions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.LG","authors_text":"Aaron Courville, Bingxu Liu, Hao Wang, Jiashun Liu, Johan Obando-Ceron, Ling Pan, Pablo Samuel Castro, Runze Liu","submitted_at":"2026-06-02T09:26:26Z","abstract_excerpt":"While Proximal Policy Optimization (PPO) demonstrates strong performance in stationary settings, we show that its standard optimization paradigm struggles in continual and non-stationary environments. The failure does not stem from insufficient model capacity or overly restrictive clipping. Instead, PPO performs persistent, directionally inefficient local updates, which indicates a lack of geometry-aware guidance for accumulating meaningful behavioral change and ultimately hindering transitions toward new behavior patterns. Although divergence-based regularization introduces partial geometric "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.03382","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/2606.03382/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":"2026-06-03T01:05:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kl5l/3jXdatTIIdi1ZXKB3A5dNxtP55sXy7ANdi0cAjspEqxd20N1M9hz3eNcV9FS559RJtBvReAHySlV4ZKBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T16:59:43.572330Z"},"content_sha256":"123c549fddc69211a697c88912de67393703787eda8475949380516ea3c9f02d","schema_version":"1.0","event_id":"sha256:123c549fddc69211a697c88912de67393703787eda8475949380516ea3c9f02d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NI6KV7LZRHKWTNINBWJOSOPWQY/bundle.json","state_url":"https://pith.science/pith/NI6KV7LZRHKWTNINBWJOSOPWQY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NI6KV7LZRHKWTNINBWJOSOPWQY/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":"2026-06-10T16:59:43Z","links":{"resolver":"https://pith.science/pith/NI6KV7LZRHKWTNINBWJOSOPWQY","bundle":"https://pith.science/pith/NI6KV7LZRHKWTNINBWJOSOPWQY/bundle.json","state":"https://pith.science/pith/NI6KV7LZRHKWTNINBWJOSOPWQY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NI6KV7LZRHKWTNINBWJOSOPWQY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:NI6KV7LZRHKWTNINBWJOSOPWQY","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":"7280101a9a8111b477b7b0e819d2604fc1778c6089474ea5d4d56280b5096584","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-06-02T09:26:26Z","title_canon_sha256":"fa27d805494359bf7c5f962aa00bac2400c594eae5a509333b043e8baca497c3"},"schema_version":"1.0","source":{"id":"2606.03382","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.03382","created_at":"2026-06-03T01:05:56Z"},{"alias_kind":"arxiv_version","alias_value":"2606.03382v1","created_at":"2026-06-03T01:05:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.03382","created_at":"2026-06-03T01:05:56Z"},{"alias_kind":"pith_short_12","alias_value":"NI6KV7LZRHKW","created_at":"2026-06-03T01:05:56Z"},{"alias_kind":"pith_short_16","alias_value":"NI6KV7LZRHKWTNIN","created_at":"2026-06-03T01:05:56Z"},{"alias_kind":"pith_short_8","alias_value":"NI6KV7LZ","created_at":"2026-06-03T01:05:56Z"}],"graph_snapshots":[{"event_id":"sha256:123c549fddc69211a697c88912de67393703787eda8475949380516ea3c9f02d","target":"graph","created_at":"2026-06-03T01:05:56Z","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/2606.03382/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"While Proximal Policy Optimization (PPO) demonstrates strong performance in stationary settings, we show that its standard optimization paradigm struggles in continual and non-stationary environments. The failure does not stem from insufficient model capacity or overly restrictive clipping. Instead, PPO performs persistent, directionally inefficient local updates, which indicates a lack of geometry-aware guidance for accumulating meaningful behavioral change and ultimately hindering transitions toward new behavior patterns. Although divergence-based regularization introduces partial geometric ","authors_text":"Aaron Courville, Bingxu Liu, Hao Wang, Jiashun Liu, Johan Obando-Ceron, Ling Pan, Pablo Samuel Castro, Runze Liu","cross_cats":["cs.AI"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-06-02T09:26:26Z","title":"Local Guidance, Global Impact: Gaussian-Reshaped Trust Region Unlocks Behavior Transitions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.03382","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":"sha256:0c00d1e6d9b1822e0806800d30d896edadd5bb71a5ccf0c15fb5980c0f684638","target":"record","created_at":"2026-06-03T01:05:56Z","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":"7280101a9a8111b477b7b0e819d2604fc1778c6089474ea5d4d56280b5096584","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-06-02T09:26:26Z","title_canon_sha256":"fa27d805494359bf7c5f962aa00bac2400c594eae5a509333b043e8baca497c3"},"schema_version":"1.0","source":{"id":"2606.03382","kind":"arxiv","version":1}},"canonical_sha256":"6a3caafd7989d569b50d0d92e939f6861c938f8f6a0b30be71b5819335d942cf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6a3caafd7989d569b50d0d92e939f6861c938f8f6a0b30be71b5819335d942cf","first_computed_at":"2026-06-03T01:05:56.473712Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-03T01:05:56.473712Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hd18kZ5dYapNjKmtgdmlybRVE+C43tcEv/RIYq5oo3GnSj+Vrw6RJZ3yNje8/d1iW+hle4M25F70kCLIvPj1Cg==","signature_status":"signed_v1","signed_at":"2026-06-03T01:05:56.474119Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.03382","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0c00d1e6d9b1822e0806800d30d896edadd5bb71a5ccf0c15fb5980c0f684638","sha256:123c549fddc69211a697c88912de67393703787eda8475949380516ea3c9f02d"],"state_sha256":"d54bf1fa47f479c849ba04ba363c91775c11e83aa5242d447d6859a1a9253245"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uU8EyCO9kKFb/YPer/Oefi43dDDvkWd5nx1BI0ogpkJhH96dqFGbI6tbTPF37GtSbwFfVO6t6Ff8c3sQ4B5IDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T16:59:43.577150Z","bundle_sha256":"53c6dc0c854381fd1ac4690ee872384c6bb2b96868da8d6cd9da54b21e28aa5a"}}