{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:H4RI3DIX33PVS5RA6JHQO4NF54","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":"9b18acb2971059dd9889e1a1c2789a56f8f2ae66129e54e2102f64575da91609","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-04-06T09:21:14Z","title_canon_sha256":"24869faf042091e93663a1da524389e26478dcebcf7401b2aee6cdcc275ab2be"},"schema_version":"1.0","source":{"id":"2104.02385","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.02385","created_at":"2026-07-05T02:29:17Z"},{"alias_kind":"arxiv_version","alias_value":"2104.02385v1","created_at":"2026-07-05T02:29:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.02385","created_at":"2026-07-05T02:29:17Z"},{"alias_kind":"pith_short_12","alias_value":"H4RI3DIX33PV","created_at":"2026-07-05T02:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"H4RI3DIX33PVS5RA","created_at":"2026-07-05T02:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"H4RI3DIX","created_at":"2026-07-05T02:29:17Z"}],"graph_snapshots":[{"event_id":"sha256:5dc71eb7e5c6f10bdfda93183df6d1afeed71fafe2838732be69508a742c6e8d","target":"graph","created_at":"2026-07-05T02:29:17Z","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/2104.02385/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Bottom-up approaches for image-based multi-person pose estimation consist of two stages: (1) keypoint detection and (2) grouping of the detected keypoints to form person instances. Current grouping approaches rely on learned embedding from only visual features that completely ignore the spatial configuration of human poses. In this work, we formulate the grouping task as a graph partitioning problem, where we learn the affinity matrix with a Graph Neural Network (GNN). More specifically, we design a Geometry-aware Association GNN that utilizes spatial information of the keypoints and learns lo","authors_text":"Gim Hee Lee, Jiahao Lin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-04-06T09:21:14Z","title":"Learning Spatial Context with Graph Neural Network for Multi-Person Pose Grouping"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.02385","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:d965ea4bea9a587738d7a31c3a0cd857c53a94fea5c0104f1e396f0637eb5388","target":"record","created_at":"2026-07-05T02:29:17Z","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":"9b18acb2971059dd9889e1a1c2789a56f8f2ae66129e54e2102f64575da91609","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-04-06T09:21:14Z","title_canon_sha256":"24869faf042091e93663a1da524389e26478dcebcf7401b2aee6cdcc275ab2be"},"schema_version":"1.0","source":{"id":"2104.02385","kind":"arxiv","version":1}},"canonical_sha256":"3f228d8d17dedf597620f24f0771a5ef3d4929a32d445abc4ce4f0452f215f6c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3f228d8d17dedf597620f24f0771a5ef3d4929a32d445abc4ce4f0452f215f6c","first_computed_at":"2026-07-05T02:29:17.811772Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:29:17.811772Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FUL4+o0nA2YRYmT8binXgrzvsvVjncw10d3aP59J16lOQ8yFuctTe/uIgz6kj9sa5iVXJ7a1OfrpiK7r/MC3DA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:29:17.812221Z","signed_message":"canonical_sha256_bytes"},"source_id":"2104.02385","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d965ea4bea9a587738d7a31c3a0cd857c53a94fea5c0104f1e396f0637eb5388","sha256:5dc71eb7e5c6f10bdfda93183df6d1afeed71fafe2838732be69508a742c6e8d"],"state_sha256":"620f433177ec125b2b1406a8a4d3e6d735c74c15aefa895b11dd6bebd9ebfdb1"}