{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:4HPYHLO5T2QRUJ47WFHXU2JBXV","short_pith_number":"pith:4HPYHLO5","canonical_record":{"source":{"id":"2408.15270","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-08-12T15:19:04Z","cross_cats_sorted":["cs.GR","cs.LG","cs.RO"],"title_canon_sha256":"dcffe9e5b87216db7fe1eac3662d452234c1f7382dafc29715591c7c677fbd12","abstract_canon_sha256":"7383ca97a366a751ea4fe867b04caea52d57843626c0c0693fd509675c5bce3b"},"schema_version":"1.0"},"canonical_sha256":"e1df83addd9ea11a279fb14f7a6921bd61b92512f0fa228bb2c1ab8ad2732aa5","source":{"kind":"arxiv","id":"2408.15270","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.15270","created_at":"2026-07-05T10:40:35Z"},{"alias_kind":"arxiv_version","alias_value":"2408.15270v2","created_at":"2026-07-05T10:40:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.15270","created_at":"2026-07-05T10:40:35Z"},{"alias_kind":"pith_short_12","alias_value":"4HPYHLO5T2QR","created_at":"2026-07-05T10:40:35Z"},{"alias_kind":"pith_short_16","alias_value":"4HPYHLO5T2QRUJ47","created_at":"2026-07-05T10:40:35Z"},{"alias_kind":"pith_short_8","alias_value":"4HPYHLO5","created_at":"2026-07-05T10:40:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:4HPYHLO5T2QRUJ47WFHXU2JBXV","target":"record","payload":{"canonical_record":{"source":{"id":"2408.15270","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-08-12T15:19:04Z","cross_cats_sorted":["cs.GR","cs.LG","cs.RO"],"title_canon_sha256":"dcffe9e5b87216db7fe1eac3662d452234c1f7382dafc29715591c7c677fbd12","abstract_canon_sha256":"7383ca97a366a751ea4fe867b04caea52d57843626c0c0693fd509675c5bce3b"},"schema_version":"1.0"},"canonical_sha256":"e1df83addd9ea11a279fb14f7a6921bd61b92512f0fa228bb2c1ab8ad2732aa5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:40:35.338755Z","signature_b64":"uxfuPpdIMzQpXIH3bcGzByO4z6pkVarHBexX2lSH2mBKBbrU9h6bIRfiIdotuIR1KCcWy/zyNgn7BgN29qXZCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e1df83addd9ea11a279fb14f7a6921bd61b92512f0fa228bb2c1ab8ad2732aa5","last_reissued_at":"2026-07-05T10:40:35.338212Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:40:35.338212Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2408.15270","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":"2026-07-05T10:40:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b/LkDL4RvtZEHcga6D/iw2Ic1fMFlnK8VoGFhj6hRllj3hhYqL1sGTGdYMRRKomquN541QhIcNtJnb5OkvIjAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T00:25:37.152425Z"},"content_sha256":"11441723ec4ac17f8b3abade52eab6937a981f47300bdb7c7ff82a6ba40423a1","schema_version":"1.0","event_id":"sha256:11441723ec4ac17f8b3abade52eab6937a981f47300bdb7c7ff82a6ba40423a1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:4HPYHLO5T2QRUJ47WFHXU2JBXV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"SkillMimic: Learning Basketball Interaction Skills from Demonstrations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.GR","cs.LG","cs.RO"],"primary_cat":"cs.CV","authors_text":"Ailing Zeng, Hok Wai Tsui, Jian Zhang, Jing Lin, Jiwen Yu, Lei Zhang, Ping Tan, Qifeng Chen, Qihan Zhao, Runyi Yu, Xiu Li, Yinhuai Wang, Zhengyi Luo","submitted_at":"2024-08-12T15:19:04Z","abstract_excerpt":"Traditional reinforcement learning methods for human-object interaction (HOI) rely on labor-intensive, manually designed skill rewards that do not generalize well across different interactions. We introduce SkillMimic, a unified data-driven framework that fundamentally changes how agents learn interaction skills by eliminating the need for skill-specific rewards. Our key insight is that a unified HOI imitation reward can effectively capture the essence of diverse interaction patterns from HOI datasets. This enables SkillMimic to learn a single policy that not only masters multiple interaction "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.15270","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/2408.15270/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":"2026-07-05T10:40:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PUw+9aqs1dMhhvyNw76eoDiqFC7bb7q7u515LwsU5oBCnkZx7qXcsS0YMiVUphfVfA6irau8JO1V87chtVhEAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T00:25:37.152976Z"},"content_sha256":"d70e0f900f2cf3a7c413cf5fca7e23999f72c85eec4091ed8aa7c5a54c39930c","schema_version":"1.0","event_id":"sha256:d70e0f900f2cf3a7c413cf5fca7e23999f72c85eec4091ed8aa7c5a54c39930c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4HPYHLO5T2QRUJ47WFHXU2JBXV/bundle.json","state_url":"https://pith.science/pith/4HPYHLO5T2QRUJ47WFHXU2JBXV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4HPYHLO5T2QRUJ47WFHXU2JBXV/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":"2026-08-18T00:25:37Z","links":{"resolver":"https://pith.science/pith/4HPYHLO5T2QRUJ47WFHXU2JBXV","bundle":"https://pith.science/pith/4HPYHLO5T2QRUJ47WFHXU2JBXV/bundle.json","state":"https://pith.science/pith/4HPYHLO5T2QRUJ47WFHXU2JBXV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4HPYHLO5T2QRUJ47WFHXU2JBXV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:4HPYHLO5T2QRUJ47WFHXU2JBXV","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":"7383ca97a366a751ea4fe867b04caea52d57843626c0c0693fd509675c5bce3b","cross_cats_sorted":["cs.GR","cs.LG","cs.RO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-08-12T15:19:04Z","title_canon_sha256":"dcffe9e5b87216db7fe1eac3662d452234c1f7382dafc29715591c7c677fbd12"},"schema_version":"1.0","source":{"id":"2408.15270","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.15270","created_at":"2026-07-05T10:40:35Z"},{"alias_kind":"arxiv_version","alias_value":"2408.15270v2","created_at":"2026-07-05T10:40:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.15270","created_at":"2026-07-05T10:40:35Z"},{"alias_kind":"pith_short_12","alias_value":"4HPYHLO5T2QR","created_at":"2026-07-05T10:40:35Z"},{"alias_kind":"pith_short_16","alias_value":"4HPYHLO5T2QRUJ47","created_at":"2026-07-05T10:40:35Z"},{"alias_kind":"pith_short_8","alias_value":"4HPYHLO5","created_at":"2026-07-05T10:40:35Z"}],"graph_snapshots":[{"event_id":"sha256:d70e0f900f2cf3a7c413cf5fca7e23999f72c85eec4091ed8aa7c5a54c39930c","target":"graph","created_at":"2026-07-05T10:40:35Z","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/2408.15270/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Traditional reinforcement learning methods for human-object interaction (HOI) rely on labor-intensive, manually designed skill rewards that do not generalize well across different interactions. We introduce SkillMimic, a unified data-driven framework that fundamentally changes how agents learn interaction skills by eliminating the need for skill-specific rewards. Our key insight is that a unified HOI imitation reward can effectively capture the essence of diverse interaction patterns from HOI datasets. This enables SkillMimic to learn a single policy that not only masters multiple interaction ","authors_text":"Ailing Zeng, Hok Wai Tsui, Jian Zhang, Jing Lin, Jiwen Yu, Lei Zhang, Ping Tan, Qifeng Chen, Qihan Zhao, Runyi Yu, Xiu Li, Yinhuai Wang, Zhengyi Luo","cross_cats":["cs.GR","cs.LG","cs.RO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-08-12T15:19:04Z","title":"SkillMimic: Learning Basketball Interaction Skills from Demonstrations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.15270","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":"sha256:11441723ec4ac17f8b3abade52eab6937a981f47300bdb7c7ff82a6ba40423a1","target":"record","created_at":"2026-07-05T10:40:35Z","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":"7383ca97a366a751ea4fe867b04caea52d57843626c0c0693fd509675c5bce3b","cross_cats_sorted":["cs.GR","cs.LG","cs.RO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-08-12T15:19:04Z","title_canon_sha256":"dcffe9e5b87216db7fe1eac3662d452234c1f7382dafc29715591c7c677fbd12"},"schema_version":"1.0","source":{"id":"2408.15270","kind":"arxiv","version":2}},"canonical_sha256":"e1df83addd9ea11a279fb14f7a6921bd61b92512f0fa228bb2c1ab8ad2732aa5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e1df83addd9ea11a279fb14f7a6921bd61b92512f0fa228bb2c1ab8ad2732aa5","first_computed_at":"2026-07-05T10:40:35.338212Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:40:35.338212Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uxfuPpdIMzQpXIH3bcGzByO4z6pkVarHBexX2lSH2mBKBbrU9h6bIRfiIdotuIR1KCcWy/zyNgn7BgN29qXZCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:40:35.338755Z","signed_message":"canonical_sha256_bytes"},"source_id":"2408.15270","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:11441723ec4ac17f8b3abade52eab6937a981f47300bdb7c7ff82a6ba40423a1","sha256:d70e0f900f2cf3a7c413cf5fca7e23999f72c85eec4091ed8aa7c5a54c39930c"],"state_sha256":"74030183c0534a331af5bd249065bd64240467c408011dbb0f4be902b35abc77"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zrX4TL703Q50uSfjydFvwvzgIpJbzTNenpiU0qeOOL4TMBExYsZqKaYFMv5ErpZ4rISMaTWrZsib4ajx6RU2Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T00:25:37.156760Z","bundle_sha256":"095c8aad074ba08a307c63aef23cff8ebe0d8c53caf6d1fc77dc1745cfc9f081"}}