{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:IFUH5SZ6APW2IXREQCHPND2FLS","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":"d6cf1e3b280171a0aca50401880da483d1d9d23d6c5acaf5127dda714fb3ead5","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2018-12-06T21:39:14Z","title_canon_sha256":"ed6c95f387b1b53a703b1c83e998c509a0b27235d8c5dbc8c0fa1b6eb2906635"},"schema_version":"1.0","source":{"id":"1812.02817","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.02817","created_at":"2026-05-17T23:58:51Z"},{"alias_kind":"arxiv_version","alias_value":"1812.02817v1","created_at":"2026-05-17T23:58:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.02817","created_at":"2026-05-17T23:58:51Z"},{"alias_kind":"pith_short_12","alias_value":"IFUH5SZ6APW2","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"IFUH5SZ6APW2IXRE","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"IFUH5SZ6","created_at":"2026-05-18T12:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:29e8706fcebc8345b0500d72889228ee4a48d95e9b7306aca9a0d27178209d0a","target":"graph","created_at":"2026-05-17T23:58:51Z","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"},"paper":{"abstract_excerpt":"We present a system for concurrent activity recognition. To extract features associated with different activities, we propose a feature-to-activity attention that maps the extracted global features to sub-features associated with individual activities. To model the temporal associations of individual activities, we propose a transformer-network encoder that models independent temporal associations for each activity. To make the concurrent activity prediction aware of the potential associations between activities, we propose self-attention with an association mask. Our system achieved state-of-","authors_text":"Ivan Marsic, Kaixiang Huang, Shuhong Chen, Xinyu Li, Yanyi Zhang, Yehan Wang","cross_cats":["cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2018-12-06T21:39:14Z","title":"Tri-axial Self-Attention for Concurrent Activity Recognition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.02817","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:a22af29d7390fb92e0c58ea497e1522a1dff8836145c9251548894d153655290","target":"record","created_at":"2026-05-17T23:58:51Z","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":"d6cf1e3b280171a0aca50401880da483d1d9d23d6c5acaf5127dda714fb3ead5","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2018-12-06T21:39:14Z","title_canon_sha256":"ed6c95f387b1b53a703b1c83e998c509a0b27235d8c5dbc8c0fa1b6eb2906635"},"schema_version":"1.0","source":{"id":"1812.02817","kind":"arxiv","version":1}},"canonical_sha256":"41687ecb3e03eda45e24808ef68f455c8aea35c27342466ad2130c77743bc481","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"41687ecb3e03eda45e24808ef68f455c8aea35c27342466ad2130c77743bc481","first_computed_at":"2026-05-17T23:58:51.769666Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:58:51.769666Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"u0/P8fNFxzPcZMBNH3v6fkrPjqnjqiCr4rGg3VdZrlkD1/1JJB1ZG6dfnRYlK/bxw0PCNpXMPyBptUI+vsK9Cg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:58:51.770129Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.02817","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a22af29d7390fb92e0c58ea497e1522a1dff8836145c9251548894d153655290","sha256:29e8706fcebc8345b0500d72889228ee4a48d95e9b7306aca9a0d27178209d0a"],"state_sha256":"54e8760e571238b079ad7f1ef4f3630cb2646c7d2a9f3a5038c515ecb1a4df59"}