{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:UWL3756FADI4UWUTP6WSSGJTQE","short_pith_number":"pith:UWL3756F","canonical_record":{"source":{"id":"2405.03534","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.RO","submitted_at":"2024-05-06T14:52:23Z","cross_cats_sorted":["cs.AI","cs.LG","cs.NE"],"title_canon_sha256":"897725948eb64ea743130c952baaee119f3917254deac4c53a8876587e1b434c","abstract_canon_sha256":"4ca0a1a79829875e7d1a5eb671cea5443bda92e306fd4f8fbd1cbf3a825c3336"},"schema_version":"1.0"},"canonical_sha256":"a597bff7c500d1ca5a937fad291933810c6b86091b85598d909008327d104e10","source":{"kind":"arxiv","id":"2405.03534","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.03534","created_at":"2026-07-05T08:16:04Z"},{"alias_kind":"arxiv_version","alias_value":"2405.03534v1","created_at":"2026-07-05T08:16:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.03534","created_at":"2026-07-05T08:16:04Z"},{"alias_kind":"pith_short_12","alias_value":"UWL3756FADI4","created_at":"2026-07-05T08:16:04Z"},{"alias_kind":"pith_short_16","alias_value":"UWL3756FADI4UWUT","created_at":"2026-07-05T08:16:04Z"},{"alias_kind":"pith_short_8","alias_value":"UWL3756F","created_at":"2026-07-05T08:16:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:UWL3756FADI4UWUTP6WSSGJTQE","target":"record","payload":{"canonical_record":{"source":{"id":"2405.03534","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.RO","submitted_at":"2024-05-06T14:52:23Z","cross_cats_sorted":["cs.AI","cs.LG","cs.NE"],"title_canon_sha256":"897725948eb64ea743130c952baaee119f3917254deac4c53a8876587e1b434c","abstract_canon_sha256":"4ca0a1a79829875e7d1a5eb671cea5443bda92e306fd4f8fbd1cbf3a825c3336"},"schema_version":"1.0"},"canonical_sha256":"a597bff7c500d1ca5a937fad291933810c6b86091b85598d909008327d104e10","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:16:04.209532Z","signature_b64":"cUXqAp0tKRsIlG7V2DP3L42EhQ6yBtATyh3YEwV4/fc9HilODS1/atuh/f3oP5K27QuOoE0LCQUMAAj6mqiECQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a597bff7c500d1ca5a937fad291933810c6b86091b85598d909008327d104e10","last_reissued_at":"2026-07-05T08:16:04.209111Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:16:04.209111Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2405.03534","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":"2026-07-05T08:16:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C1l4w2g+ntGFJRvO/epOS0a6Q8jwYMZhF7UPAzEI1NMETxJM2UAdjJoHekHP/83RBxx6zTVFPPsAhFO16gysDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T21:13:16.841390Z"},"content_sha256":"c30ff8387b25db744ae8645e2aa4d97fbb2215fd8f6e8e776bed6a0e88bb9329","schema_version":"1.0","event_id":"sha256:c30ff8387b25db744ae8645e2aa4d97fbb2215fd8f6e8e776bed6a0e88bb9329"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:UWL3756FADI4UWUTP6WSSGJTQE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Meta-Evolve: Continuous Robot Evolution for One-to-many Policy Transfer","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cs.AI","cs.LG","cs.NE"],"primary_cat":"cs.RO","authors_text":"Deepak Pathak, Ding Zhao, Xingyu Liu","submitted_at":"2024-05-06T14:52:23Z","abstract_excerpt":"We investigate the problem of transferring an expert policy from a source robot to multiple different robots. To solve this problem, we propose a method named $Meta$-$Evolve$ that uses continuous robot evolution to efficiently transfer the policy to each target robot through a set of tree-structured evolutionary robot sequences. The robot evolution tree allows the robot evolution paths to be shared, so our approach can significantly outperform naive one-to-one policy transfer. We present a heuristic approach to determine an optimized robot evolution tree. Experiments have shown that our method"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.03534","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/2405.03534/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":"2026-07-05T08:16:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OVv0h6oTP6qs9IjERfPXglRcDjALwOVgx0QKyTbXapuBwVMMj91QtJKieKpkyBlsIAlMeIVxGd+U8zy2Y7krDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T21:13:16.841882Z"},"content_sha256":"0038d5156c62b1026bbfb61ee1ac925d891b7c064b336b59856f9d2f339aec59","schema_version":"1.0","event_id":"sha256:0038d5156c62b1026bbfb61ee1ac925d891b7c064b336b59856f9d2f339aec59"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UWL3756FADI4UWUTP6WSSGJTQE/bundle.json","state_url":"https://pith.science/pith/UWL3756FADI4UWUTP6WSSGJTQE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UWL3756FADI4UWUTP6WSSGJTQE/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":"2026-08-05T21:13:16Z","links":{"resolver":"https://pith.science/pith/UWL3756FADI4UWUTP6WSSGJTQE","bundle":"https://pith.science/pith/UWL3756FADI4UWUTP6WSSGJTQE/bundle.json","state":"https://pith.science/pith/UWL3756FADI4UWUTP6WSSGJTQE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UWL3756FADI4UWUTP6WSSGJTQE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:UWL3756FADI4UWUTP6WSSGJTQE","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":"4ca0a1a79829875e7d1a5eb671cea5443bda92e306fd4f8fbd1cbf3a825c3336","cross_cats_sorted":["cs.AI","cs.LG","cs.NE"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.RO","submitted_at":"2024-05-06T14:52:23Z","title_canon_sha256":"897725948eb64ea743130c952baaee119f3917254deac4c53a8876587e1b434c"},"schema_version":"1.0","source":{"id":"2405.03534","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.03534","created_at":"2026-07-05T08:16:04Z"},{"alias_kind":"arxiv_version","alias_value":"2405.03534v1","created_at":"2026-07-05T08:16:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.03534","created_at":"2026-07-05T08:16:04Z"},{"alias_kind":"pith_short_12","alias_value":"UWL3756FADI4","created_at":"2026-07-05T08:16:04Z"},{"alias_kind":"pith_short_16","alias_value":"UWL3756FADI4UWUT","created_at":"2026-07-05T08:16:04Z"},{"alias_kind":"pith_short_8","alias_value":"UWL3756F","created_at":"2026-07-05T08:16:04Z"}],"graph_snapshots":[{"event_id":"sha256:0038d5156c62b1026bbfb61ee1ac925d891b7c064b336b59856f9d2f339aec59","target":"graph","created_at":"2026-07-05T08:16:04Z","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/2405.03534/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate the problem of transferring an expert policy from a source robot to multiple different robots. To solve this problem, we propose a method named $Meta$-$Evolve$ that uses continuous robot evolution to efficiently transfer the policy to each target robot through a set of tree-structured evolutionary robot sequences. The robot evolution tree allows the robot evolution paths to be shared, so our approach can significantly outperform naive one-to-one policy transfer. We present a heuristic approach to determine an optimized robot evolution tree. Experiments have shown that our method","authors_text":"Deepak Pathak, Ding Zhao, Xingyu Liu","cross_cats":["cs.AI","cs.LG","cs.NE"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.RO","submitted_at":"2024-05-06T14:52:23Z","title":"Meta-Evolve: Continuous Robot Evolution for One-to-many Policy Transfer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.03534","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:c30ff8387b25db744ae8645e2aa4d97fbb2215fd8f6e8e776bed6a0e88bb9329","target":"record","created_at":"2026-07-05T08:16:04Z","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":"4ca0a1a79829875e7d1a5eb671cea5443bda92e306fd4f8fbd1cbf3a825c3336","cross_cats_sorted":["cs.AI","cs.LG","cs.NE"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.RO","submitted_at":"2024-05-06T14:52:23Z","title_canon_sha256":"897725948eb64ea743130c952baaee119f3917254deac4c53a8876587e1b434c"},"schema_version":"1.0","source":{"id":"2405.03534","kind":"arxiv","version":1}},"canonical_sha256":"a597bff7c500d1ca5a937fad291933810c6b86091b85598d909008327d104e10","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a597bff7c500d1ca5a937fad291933810c6b86091b85598d909008327d104e10","first_computed_at":"2026-07-05T08:16:04.209111Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:16:04.209111Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cUXqAp0tKRsIlG7V2DP3L42EhQ6yBtATyh3YEwV4/fc9HilODS1/atuh/f3oP5K27QuOoE0LCQUMAAj6mqiECQ==","signature_status":"signed_v1","signed_at":"2026-07-05T08:16:04.209532Z","signed_message":"canonical_sha256_bytes"},"source_id":"2405.03534","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c30ff8387b25db744ae8645e2aa4d97fbb2215fd8f6e8e776bed6a0e88bb9329","sha256:0038d5156c62b1026bbfb61ee1ac925d891b7c064b336b59856f9d2f339aec59"],"state_sha256":"939922e78f1d3734d9402fd7b03fc8bf5abb2f8cd6b79a888d65caaf673dcdfd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M3RLTe4EEJ0B2aAxz7WCG/Q7w+mphPnnsi+enUw3XqyiIgtDbaFiYb/EG+Dg9BiLaCu2HT62v5BL5Vt6C+tNBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T21:13:16.845504Z","bundle_sha256":"1b9bb63eeb6077cafa0a26c664fa18715e32799701c71a5ac52e24b2b5209864"}}