{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:SYKJ5OD3QULRSSBXNQSCYHSMS4","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":"02803f954b7fe4344d5db78943de78e55524db5eeaf2d669fd61f0febd062a99","cross_cats_sorted":["cs.MM"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2021-04-07T07:39:57Z","title_canon_sha256":"d4f0f447a9f6421baf1bca3cd216cd115c952f1ac0e24f9799f29b806f627389"},"schema_version":"1.0","source":{"id":"2104.02967","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.02967","created_at":"2026-07-05T02:30:01Z"},{"alias_kind":"arxiv_version","alias_value":"2104.02967v1","created_at":"2026-07-05T02:30:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.02967","created_at":"2026-07-05T02:30:01Z"},{"alias_kind":"pith_short_12","alias_value":"SYKJ5OD3QULR","created_at":"2026-07-05T02:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"SYKJ5OD3QULRSSBX","created_at":"2026-07-05T02:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"SYKJ5OD3","created_at":"2026-07-05T02:30:01Z"}],"graph_snapshots":[{"event_id":"sha256:4ca9b3c6f00290c26705cee88152aa066cc5a7fc13873cc08188b85c8783940d","target":"graph","created_at":"2026-07-05T02:30:01Z","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/2104.02967/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Weakly-supervised temporal action localization aims to localize action instances temporal boundary and identify the corresponding action category with only video-level labels. Traditional methods mainly focus on foreground and background frames separation with only a single attention branch and class activation sequence. However, we argue that apart from the distinctive foreground and background frames there are plenty of semantically ambiguous action context frames. It does not make sense to group those context frames to the same background class since they are semantically related to a speci","authors_text":"Alois Knoll, Fan Lu, Guang Chen, Lijun Zhang, Sanqing Qu, Zhijun Li","cross_cats":["cs.MM"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2021-04-07T07:39:57Z","title":"ACM-Net: Action Context Modeling Network for Weakly-Supervised Temporal Action Localization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.02967","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":"sha256:2779d94b8fc1691175f64c6167b19f2d801adae21aeca406adfd15400c33d5c9","target":"record","created_at":"2026-07-05T02:30:01Z","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":"02803f954b7fe4344d5db78943de78e55524db5eeaf2d669fd61f0febd062a99","cross_cats_sorted":["cs.MM"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2021-04-07T07:39:57Z","title_canon_sha256":"d4f0f447a9f6421baf1bca3cd216cd115c952f1ac0e24f9799f29b806f627389"},"schema_version":"1.0","source":{"id":"2104.02967","kind":"arxiv","version":1}},"canonical_sha256":"96149eb87b85171948376c242c1e4c9729f1d90185f350ca1c7ddbacfe4f13c7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"96149eb87b85171948376c242c1e4c9729f1d90185f350ca1c7ddbacfe4f13c7","first_computed_at":"2026-07-05T02:30:01.533475Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:30:01.533475Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"myeuufYlALW0FeVY0qa9HUa7+prrAUpE/uJ0Qek1+ZGzBH2mh9NwbtlFoeXU/c4wuLy1Ny5ySlDP/sygfLYRDw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:30:01.533866Z","signed_message":"canonical_sha256_bytes"},"source_id":"2104.02967","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2779d94b8fc1691175f64c6167b19f2d801adae21aeca406adfd15400c33d5c9","sha256:4ca9b3c6f00290c26705cee88152aa066cc5a7fc13873cc08188b85c8783940d"],"state_sha256":"f426985f43d874d360b1fb30a6b20aed21d015b02c44227494219f1cbac8ef22"}