{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:4YB3NPBNJOESM3R3AGMZGWCLU7","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":"7990cb7819db832f54a2de0282804a4499003b8870fcf8e6bdc0ba0538845bd6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-05-05T06:54:41Z","title_canon_sha256":"462927cf0c296a17ce99c96861e43cfbdce5d01fa9e14920974bda1ae67b56d8"},"schema_version":"1.0","source":{"id":"1705.02101","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.02101","created_at":"2026-05-18T00:38:39Z"},{"alias_kind":"arxiv_version","alias_value":"1705.02101v2","created_at":"2026-05-18T00:38:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.02101","created_at":"2026-05-18T00:38:39Z"},{"alias_kind":"pith_short_12","alias_value":"4YB3NPBNJOES","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"4YB3NPBNJOESM3R3","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"4YB3NPBN","created_at":"2026-05-18T12:31:00Z"}],"graph_snapshots":[{"event_id":"sha256:4b2ec78a72f8e98e9563607e666dcca8f791c903039a5a5eb42c69668f53fc8b","target":"graph","created_at":"2026-05-18T00:38:39Z","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":"This paper focuses on temporal localization of actions in untrimmed videos. Existing methods typically train classifiers for a pre-defined list of actions and apply them in a sliding window fashion. However, activities in the wild consist of a wide combination of actors, actions and objects; it is difficult to design a proper activity list that meets users' needs. We propose to localize activities by natural language queries. Temporal Activity Localization via Language (TALL) is challenging as it requires: (1) suitable design of text and video representations to allow cross-modal matching of a","authors_text":"Chen Sun, Jiyang Gao, Ram Nevatia, Zhenheng Yang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-05-05T06:54:41Z","title":"TALL: Temporal Activity Localization via Language Query"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.02101","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:dba7083f814af964cbac33ee06df6720aabc6bc3216d2964b1401d8d49bfed92","target":"record","created_at":"2026-05-18T00:38:39Z","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":"7990cb7819db832f54a2de0282804a4499003b8870fcf8e6bdc0ba0538845bd6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-05-05T06:54:41Z","title_canon_sha256":"462927cf0c296a17ce99c96861e43cfbdce5d01fa9e14920974bda1ae67b56d8"},"schema_version":"1.0","source":{"id":"1705.02101","kind":"arxiv","version":2}},"canonical_sha256":"e603b6bc2d4b89266e3b019993584ba7d119272af4e3aecc248becd62a48011c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e603b6bc2d4b89266e3b019993584ba7d119272af4e3aecc248becd62a48011c","first_computed_at":"2026-05-18T00:38:39.629530Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:38:39.629530Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xtN1/vlTaeTFoC+9r4bnRTgKeGnqDgjpOOV7jNAUsxdRj2nKknvcb59+YCS8VAqp9RXXpjpG8Ua3T8sxsCj+BA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:38:39.629933Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.02101","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dba7083f814af964cbac33ee06df6720aabc6bc3216d2964b1401d8d49bfed92","sha256:4b2ec78a72f8e98e9563607e666dcca8f791c903039a5a5eb42c69668f53fc8b"],"state_sha256":"81596abd7d843aba72f903614d97156c023fa516fbea18418a582a3c06dd6161"}