{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:MUK4TG2MCCOLIQSHVEHOMLDM22","short_pith_number":"pith:MUK4TG2M","canonical_record":{"source":{"id":"2602.04876","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-02-04T18:58:55Z","cross_cats_sorted":[],"title_canon_sha256":"7339a46d798e66d0b602f763c731021d9429119f74fd23517fe658440b52459c","abstract_canon_sha256":"f667950bd07e5efb96dfc0e8828e0800129a5cabaa5a48dd5301e0b1e68fe162"},"schema_version":"1.0"},"canonical_sha256":"6515c99b4c109cb44247a90ee62c6cd6abd4e4c2570e25a2fc8918cadaa089fb","source":{"kind":"arxiv","id":"2602.04876","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2602.04876","created_at":"2026-05-21T01:05:15Z"},{"alias_kind":"arxiv_version","alias_value":"2602.04876v2","created_at":"2026-05-21T01:05:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.04876","created_at":"2026-05-21T01:05:15Z"},{"alias_kind":"pith_short_12","alias_value":"MUK4TG2MCCOL","created_at":"2026-05-21T01:05:15Z"},{"alias_kind":"pith_short_16","alias_value":"MUK4TG2MCCOLIQSH","created_at":"2026-05-21T01:05:15Z"},{"alias_kind":"pith_short_8","alias_value":"MUK4TG2M","created_at":"2026-05-21T01:05:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:MUK4TG2MCCOLIQSHVEHOMLDM22","target":"record","payload":{"canonical_record":{"source":{"id":"2602.04876","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-02-04T18:58:55Z","cross_cats_sorted":[],"title_canon_sha256":"7339a46d798e66d0b602f763c731021d9429119f74fd23517fe658440b52459c","abstract_canon_sha256":"f667950bd07e5efb96dfc0e8828e0800129a5cabaa5a48dd5301e0b1e68fe162"},"schema_version":"1.0"},"canonical_sha256":"6515c99b4c109cb44247a90ee62c6cd6abd4e4c2570e25a2fc8918cadaa089fb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-21T01:05:15.792551Z","signature_b64":"nigyqoF0TWbX4TuUuTyQ9HKbgvX9fwumfbKzrl+4hgsDg/1kkz+USMty2AscVcoLCzjCCRi/VOIR9+nUEjPRCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6515c99b4c109cb44247a90ee62c6cd6abd4e4c2570e25a2fc8918cadaa089fb","last_reissued_at":"2026-05-21T01:05:15.791528Z","signature_status":"signed_v1","first_computed_at":"2026-05-21T01:05:15.791528Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2602.04876","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-21T01:05:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+mLTbIZ95OSAtCiVv1MkXybH+tzUN/k+xVtR2ypThWKCfjNip2hO+SVElUX0bPSVKi7iPTPwTBbybojUeeKUDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T17:25:52.671105Z"},"content_sha256":"c3070a5bfcc1112c1150b06518a4aab559986a61aaef162fb24e788ef75c7aef","schema_version":"1.0","event_id":"sha256:c3070a5bfcc1112c1150b06518a4aab559986a61aaef162fb24e788ef75c7aef"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:MUK4TG2MCCOLIQSHVEHOMLDM22","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"PerpetualWonder: Long-Horizon Action-Conditioned 4D Scene Generation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Hong-Xing Yu, Jiahao Zhan, Jiajun Wu, Zizhang Li","submitted_at":"2026-02-04T18:58:55Z","abstract_excerpt":"We introduce PerpetualWonder, a hybrid generative simulator that enables long-horizon, action-conditioned 4D scene generation from a single image. Current works fail at this task because their physical state is decoupled from their visual representation, which prevents generative refinements to update the underlying physics for subsequent interactions. PerpetualWonder solves this by introducing the first true closed-loop system. It features a novel unified representation that creates a bidirectional link between the physical state and visual primitives, allowing generative refinements to corre"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2602.04876","kind":"arxiv","version":2},"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/2602.04876/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":"2026-05-21T01:05:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"90Qlh5e2bDrx5FX91FXgRfmS4sJzzOIxm9PRIXqiNwfJacPccR9UDZDj9do6K8l93kdSI8oWkXTOpxrugRi8Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T17:25:52.671855Z"},"content_sha256":"e580ed648e559d7697cdd2accc0bafa89cafbd9c08bab74a8f812849b9174156","schema_version":"1.0","event_id":"sha256:e580ed648e559d7697cdd2accc0bafa89cafbd9c08bab74a8f812849b9174156"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MUK4TG2MCCOLIQSHVEHOMLDM22/bundle.json","state_url":"https://pith.science/pith/MUK4TG2MCCOLIQSHVEHOMLDM22/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MUK4TG2MCCOLIQSHVEHOMLDM22/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":"2026-05-23T17:25:52Z","links":{"resolver":"https://pith.science/pith/MUK4TG2MCCOLIQSHVEHOMLDM22","bundle":"https://pith.science/pith/MUK4TG2MCCOLIQSHVEHOMLDM22/bundle.json","state":"https://pith.science/pith/MUK4TG2MCCOLIQSHVEHOMLDM22/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MUK4TG2MCCOLIQSHVEHOMLDM22/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:MUK4TG2MCCOLIQSHVEHOMLDM22","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":"f667950bd07e5efb96dfc0e8828e0800129a5cabaa5a48dd5301e0b1e68fe162","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-02-04T18:58:55Z","title_canon_sha256":"7339a46d798e66d0b602f763c731021d9429119f74fd23517fe658440b52459c"},"schema_version":"1.0","source":{"id":"2602.04876","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2602.04876","created_at":"2026-05-21T01:05:15Z"},{"alias_kind":"arxiv_version","alias_value":"2602.04876v2","created_at":"2026-05-21T01:05:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.04876","created_at":"2026-05-21T01:05:15Z"},{"alias_kind":"pith_short_12","alias_value":"MUK4TG2MCCOL","created_at":"2026-05-21T01:05:15Z"},{"alias_kind":"pith_short_16","alias_value":"MUK4TG2MCCOLIQSH","created_at":"2026-05-21T01:05:15Z"},{"alias_kind":"pith_short_8","alias_value":"MUK4TG2M","created_at":"2026-05-21T01:05:15Z"}],"graph_snapshots":[{"event_id":"sha256:e580ed648e559d7697cdd2accc0bafa89cafbd9c08bab74a8f812849b9174156","target":"graph","created_at":"2026-05-21T01:05:15Z","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/2602.04876/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We introduce PerpetualWonder, a hybrid generative simulator that enables long-horizon, action-conditioned 4D scene generation from a single image. Current works fail at this task because their physical state is decoupled from their visual representation, which prevents generative refinements to update the underlying physics for subsequent interactions. PerpetualWonder solves this by introducing the first true closed-loop system. It features a novel unified representation that creates a bidirectional link between the physical state and visual primitives, allowing generative refinements to corre","authors_text":"Hong-Xing Yu, Jiahao Zhan, Jiajun Wu, Zizhang Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-02-04T18:58:55Z","title":"PerpetualWonder: Long-Horizon Action-Conditioned 4D Scene Generation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2602.04876","kind":"arxiv","version":2},"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:c3070a5bfcc1112c1150b06518a4aab559986a61aaef162fb24e788ef75c7aef","target":"record","created_at":"2026-05-21T01:05:15Z","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":"f667950bd07e5efb96dfc0e8828e0800129a5cabaa5a48dd5301e0b1e68fe162","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-02-04T18:58:55Z","title_canon_sha256":"7339a46d798e66d0b602f763c731021d9429119f74fd23517fe658440b52459c"},"schema_version":"1.0","source":{"id":"2602.04876","kind":"arxiv","version":2}},"canonical_sha256":"6515c99b4c109cb44247a90ee62c6cd6abd4e4c2570e25a2fc8918cadaa089fb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6515c99b4c109cb44247a90ee62c6cd6abd4e4c2570e25a2fc8918cadaa089fb","first_computed_at":"2026-05-21T01:05:15.791528Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-21T01:05:15.791528Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nigyqoF0TWbX4TuUuTyQ9HKbgvX9fwumfbKzrl+4hgsDg/1kkz+USMty2AscVcoLCzjCCRi/VOIR9+nUEjPRCQ==","signature_status":"signed_v1","signed_at":"2026-05-21T01:05:15.792551Z","signed_message":"canonical_sha256_bytes"},"source_id":"2602.04876","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c3070a5bfcc1112c1150b06518a4aab559986a61aaef162fb24e788ef75c7aef","sha256:e580ed648e559d7697cdd2accc0bafa89cafbd9c08bab74a8f812849b9174156"],"state_sha256":"3976797329d2d674ca22d37cd81172594d39c610c66a30610b592c8bff453dfa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wF6QEnY6FOLHsskuwGNvVvxts2oUiTsrk0pyBY9OrimQkNPN2t7Qp/UuYjUne0UOcQGyW6RPMQjpsEAw4rwjBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T17:25:52.675608Z","bundle_sha256":"b45a840a5ca9c023434e2742d787b81202b0336f41a9938d7072bb3f5151c953"}}