{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:V4LV5NXEVP7AJN442PQEFEN7PF","short_pith_number":"pith:V4LV5NXE","canonical_record":{"source":{"id":"1912.04461","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-12-10T02:45:37Z","cross_cats_sorted":[],"title_canon_sha256":"683e27f869567e5363612d502dd4a3aade2623cc25257fadf316c99aaf5a5f5f","abstract_canon_sha256":"4f1f45147ad380f49ce6ee0c2c76fcfdef3f400853b6fac9513e689b301a3927"},"schema_version":"1.0"},"canonical_sha256":"af175eb6e4abfe04b79cd3e04291bf796a2373e1f3e7bfc5314016207f3a2544","source":{"kind":"arxiv","id":"1912.04461","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.04461","created_at":"2026-07-05T00:51:35Z"},{"alias_kind":"arxiv_version","alias_value":"1912.04461v3","created_at":"2026-07-05T00:51:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.04461","created_at":"2026-07-05T00:51:35Z"},{"alias_kind":"pith_short_12","alias_value":"V4LV5NXEVP7A","created_at":"2026-07-05T00:51:35Z"},{"alias_kind":"pith_short_16","alias_value":"V4LV5NXEVP7AJN44","created_at":"2026-07-05T00:51:35Z"},{"alias_kind":"pith_short_8","alias_value":"V4LV5NXE","created_at":"2026-07-05T00:51:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:V4LV5NXEVP7AJN442PQEFEN7PF","target":"record","payload":{"canonical_record":{"source":{"id":"1912.04461","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-12-10T02:45:37Z","cross_cats_sorted":[],"title_canon_sha256":"683e27f869567e5363612d502dd4a3aade2623cc25257fadf316c99aaf5a5f5f","abstract_canon_sha256":"4f1f45147ad380f49ce6ee0c2c76fcfdef3f400853b6fac9513e689b301a3927"},"schema_version":"1.0"},"canonical_sha256":"af175eb6e4abfe04b79cd3e04291bf796a2373e1f3e7bfc5314016207f3a2544","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:51:35.899951Z","signature_b64":"fw8up1W5W74rr2ZMtxh/Gh1DLzdIG8SENH0uF6NCeJ8tPkqOxZLIZAsJo09+sKKs15a/OdtdS1XZXm8oHjoHAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"af175eb6e4abfe04b79cd3e04291bf796a2373e1f3e7bfc5314016207f3a2544","last_reissued_at":"2026-07-05T00:51:35.899384Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:51:35.899384Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1912.04461","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:51:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"altTqEQt5lrVO6A8/AfHsf9PdL8xfFRwtNVcSnRIJdocskCJY4fF3aDmS/MnknMidrnw4/rRvZOjyHqseh2JAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T00:00:53.197432Z"},"content_sha256":"6e728d670b994bacbf4d05234d3c8e2bbd00e6dd35279e4225fea550957bf6cf","schema_version":"1.0","event_id":"sha256:6e728d670b994bacbf4d05234d3c8e2bbd00e6dd35279e4225fea550957bf6cf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:V4LV5NXEVP7AJN442PQEFEN7PF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Learning to Discriminate Information for Online Action Detection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Changick Kim, Chanho Jung, Hyunjun Eun, Jinyoung Moon, Jongyoul Park","submitted_at":"2019-12-10T02:45:37Z","abstract_excerpt":"From a streaming video, online action detection aims to identify actions in the present. For this task, previous methods use recurrent networks to model the temporal sequence of current action frames. However, these methods overlook the fact that an input image sequence includes background and irrelevant actions as well as the action of interest. For online action detection, in this paper, we propose a novel recurrent unit to explicitly discriminate the information relevant to an ongoing action from others. Our unit, named Information Discrimination Unit (IDU), decides whether to accumulate in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.04461","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1912.04461/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:51:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gnbd1DO/Xjumj02hG1ySTM++3H+fRFFj7HuUcPOAORnBL0XOuZu7DsiSzg4MasNmAyNFl/wlwgC98baZ2YRGDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T00:00:53.197953Z"},"content_sha256":"89311e2cd5a7f4b01d045de7b0b3a3e8936096dc0efe49c24793a1c57b558ae6","schema_version":"1.0","event_id":"sha256:89311e2cd5a7f4b01d045de7b0b3a3e8936096dc0efe49c24793a1c57b558ae6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V4LV5NXEVP7AJN442PQEFEN7PF/bundle.json","state_url":"https://pith.science/pith/V4LV5NXEVP7AJN442PQEFEN7PF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V4LV5NXEVP7AJN442PQEFEN7PF/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-20T00:00:53Z","links":{"resolver":"https://pith.science/pith/V4LV5NXEVP7AJN442PQEFEN7PF","bundle":"https://pith.science/pith/V4LV5NXEVP7AJN442PQEFEN7PF/bundle.json","state":"https://pith.science/pith/V4LV5NXEVP7AJN442PQEFEN7PF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V4LV5NXEVP7AJN442PQEFEN7PF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:V4LV5NXEVP7AJN442PQEFEN7PF","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":"4f1f45147ad380f49ce6ee0c2c76fcfdef3f400853b6fac9513e689b301a3927","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-12-10T02:45:37Z","title_canon_sha256":"683e27f869567e5363612d502dd4a3aade2623cc25257fadf316c99aaf5a5f5f"},"schema_version":"1.0","source":{"id":"1912.04461","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.04461","created_at":"2026-07-05T00:51:35Z"},{"alias_kind":"arxiv_version","alias_value":"1912.04461v3","created_at":"2026-07-05T00:51:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.04461","created_at":"2026-07-05T00:51:35Z"},{"alias_kind":"pith_short_12","alias_value":"V4LV5NXEVP7A","created_at":"2026-07-05T00:51:35Z"},{"alias_kind":"pith_short_16","alias_value":"V4LV5NXEVP7AJN44","created_at":"2026-07-05T00:51:35Z"},{"alias_kind":"pith_short_8","alias_value":"V4LV5NXE","created_at":"2026-07-05T00:51:35Z"}],"graph_snapshots":[{"event_id":"sha256:89311e2cd5a7f4b01d045de7b0b3a3e8936096dc0efe49c24793a1c57b558ae6","target":"graph","created_at":"2026-07-05T00:51:35Z","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/1912.04461/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"From a streaming video, online action detection aims to identify actions in the present. For this task, previous methods use recurrent networks to model the temporal sequence of current action frames. However, these methods overlook the fact that an input image sequence includes background and irrelevant actions as well as the action of interest. For online action detection, in this paper, we propose a novel recurrent unit to explicitly discriminate the information relevant to an ongoing action from others. Our unit, named Information Discrimination Unit (IDU), decides whether to accumulate in","authors_text":"Changick Kim, Chanho Jung, Hyunjun Eun, Jinyoung Moon, Jongyoul Park","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-12-10T02:45:37Z","title":"Learning to Discriminate Information for Online Action Detection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.04461","kind":"arxiv","version":3},"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":"sha256:6e728d670b994bacbf4d05234d3c8e2bbd00e6dd35279e4225fea550957bf6cf","target":"record","created_at":"2026-07-05T00:51:35Z","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":"4f1f45147ad380f49ce6ee0c2c76fcfdef3f400853b6fac9513e689b301a3927","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-12-10T02:45:37Z","title_canon_sha256":"683e27f869567e5363612d502dd4a3aade2623cc25257fadf316c99aaf5a5f5f"},"schema_version":"1.0","source":{"id":"1912.04461","kind":"arxiv","version":3}},"canonical_sha256":"af175eb6e4abfe04b79cd3e04291bf796a2373e1f3e7bfc5314016207f3a2544","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"af175eb6e4abfe04b79cd3e04291bf796a2373e1f3e7bfc5314016207f3a2544","first_computed_at":"2026-07-05T00:51:35.899384Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:51:35.899384Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fw8up1W5W74rr2ZMtxh/Gh1DLzdIG8SENH0uF6NCeJ8tPkqOxZLIZAsJo09+sKKs15a/OdtdS1XZXm8oHjoHAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:51:35.899951Z","signed_message":"canonical_sha256_bytes"},"source_id":"1912.04461","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6e728d670b994bacbf4d05234d3c8e2bbd00e6dd35279e4225fea550957bf6cf","sha256:89311e2cd5a7f4b01d045de7b0b3a3e8936096dc0efe49c24793a1c57b558ae6"],"state_sha256":"7bcaebcb7e514f1efc03e8a5dd34b5aa2d4bd05abeec33fe389d32ec1f393692"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eauttvTIZL6GEpfnw2JB9toyBzrl3OrmRVmJ3pkcs5EDDVof9ykx5r5dGjMFW3Ni/lNkXAw+w3MRKS14wy8gBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T00:00:53.203157Z","bundle_sha256":"85d519ee949ee025dc45f035d1ab001761d59cae7f3efccb97705ec46095205c"}}