{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:7DTSECAN72IZ47DVO3GVIXB4Y7","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":"072c41cf031445629f92c7cd583730b8f221d48bd44e8c69d7e5675ba938f33a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2021-07-26T13:37:50Z","title_canon_sha256":"bd2bbea752ee92b1457ea43bd775df90c33e27cf95466eb233cde6ea2d38fceb"},"schema_version":"1.0","source":{"id":"2107.12213","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.12213","created_at":"2026-07-05T03:07:50Z"},{"alias_kind":"arxiv_version","alias_value":"2107.12213v2","created_at":"2026-07-05T03:07:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.12213","created_at":"2026-07-05T03:07:50Z"},{"alias_kind":"pith_short_12","alias_value":"7DTSECAN72IZ","created_at":"2026-07-05T03:07:50Z"},{"alias_kind":"pith_short_16","alias_value":"7DTSECAN72IZ47DV","created_at":"2026-07-05T03:07:50Z"},{"alias_kind":"pith_short_8","alias_value":"7DTSECAN","created_at":"2026-07-05T03:07:50Z"}],"graph_snapshots":[{"event_id":"sha256:e396cf4005b1f4fe66b48d8bed914d81effd003b5996e1f45f656edd467e6d15","target":"graph","created_at":"2026-07-05T03:07:50Z","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/2107.12213/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Graph convolutional networks (GCNs) have been widely used and achieved remarkable results in skeleton-based action recognition. In GCNs, graph topology dominates feature aggregation and therefore is the key to extracting representative features. In this work, we propose a novel Channel-wise Topology Refinement Graph Convolution (CTR-GC) to dynamically learn different topologies and effectively aggregate joint features in different channels for skeleton-based action recognition. The proposed CTR-GC models channel-wise topologies through learning a shared topology as a generic prior for all chan","authors_text":"Bing Li, Chunfeng Yuan, Weiming Hu, Ying Deng, Yuxin Chen, Ziqi Zhang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2021-07-26T13:37:50Z","title":"Channel-wise Topology Refinement Graph Convolution for Skeleton-Based Action Recognition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.12213","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":"sha256:6d62ea044495fe7b79300dcce547b54a5fa0895604b62338961dc4f7650ebc92","target":"record","created_at":"2026-07-05T03:07:50Z","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":"072c41cf031445629f92c7cd583730b8f221d48bd44e8c69d7e5675ba938f33a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2021-07-26T13:37:50Z","title_canon_sha256":"bd2bbea752ee92b1457ea43bd775df90c33e27cf95466eb233cde6ea2d38fceb"},"schema_version":"1.0","source":{"id":"2107.12213","kind":"arxiv","version":2}},"canonical_sha256":"f8e722080dfe919e7c7576cd545c3cc7f2a00559d289043807fa689487256aeb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f8e722080dfe919e7c7576cd545c3cc7f2a00559d289043807fa689487256aeb","first_computed_at":"2026-07-05T03:07:50.756565Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:07:50.756565Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ufRnZ1U1b6GkqaPB6dPPWlNI/y8bd9eCIM0eRURXV6iOGZODHRb15CLu/TEM9Bgm78UjTNG3Dl7NE+9s/V+eBw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:07:50.756920Z","signed_message":"canonical_sha256_bytes"},"source_id":"2107.12213","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6d62ea044495fe7b79300dcce547b54a5fa0895604b62338961dc4f7650ebc92","sha256:e396cf4005b1f4fe66b48d8bed914d81effd003b5996e1f45f656edd467e6d15"],"state_sha256":"e25efb2deb12dde2141f9f1ea182c7e6bc16bf4daa136532764f205c872d39be"}