{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:3J6BCFDQ6K4YWVWFJ5ZFG5BXZO","short_pith_number":"pith:3J6BCFDQ","canonical_record":{"source":{"id":"1904.08607","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-18T06:52:17Z","cross_cats_sorted":[],"title_canon_sha256":"2d453cc294a14731e8bfef55e62219aaf44ea5463e37534fee76b5d81d8dd2b7","abstract_canon_sha256":"01baaa0e31a4d67827be2e0c4e1547c2398cd10e0980a809d5755d08249d7b53"},"schema_version":"1.0"},"canonical_sha256":"da7c111470f2b98b56c54f72537437cb909b7458695412fd695dd14174d48116","source":{"kind":"arxiv","id":"1904.08607","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.08607","created_at":"2026-05-17T23:48:13Z"},{"alias_kind":"arxiv_version","alias_value":"1904.08607v1","created_at":"2026-05-17T23:48:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.08607","created_at":"2026-05-17T23:48:13Z"},{"alias_kind":"pith_short_12","alias_value":"3J6BCFDQ6K4Y","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"3J6BCFDQ6K4YWVWF","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"3J6BCFDQ","created_at":"2026-05-18T12:33:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:3J6BCFDQ6K4YWVWFJ5ZFG5BXZO","target":"record","payload":{"canonical_record":{"source":{"id":"1904.08607","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-18T06:52:17Z","cross_cats_sorted":[],"title_canon_sha256":"2d453cc294a14731e8bfef55e62219aaf44ea5463e37534fee76b5d81d8dd2b7","abstract_canon_sha256":"01baaa0e31a4d67827be2e0c4e1547c2398cd10e0980a809d5755d08249d7b53"},"schema_version":"1.0"},"canonical_sha256":"da7c111470f2b98b56c54f72537437cb909b7458695412fd695dd14174d48116","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:13.738698Z","signature_b64":"MpTOjT6iUASAOvGsYBZeR1EuRmHCdGtt87SNSoqSgZ7m7cXTp9PBLIXCBIv9F1d2CLIsTA3tcH1DdZsvLe4hDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"da7c111470f2b98b56c54f72537437cb909b7458695412fd695dd14174d48116","last_reissued_at":"2026-05-17T23:48:13.738011Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:13.738011Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.08607","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:48:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hNet2Mdk3kuRG6rNOPkdvWtfacALYvNk7PoESikRQPunUXS8noye0DOTsGnw09wLlKJWDftjEiXQaCDXtIyBBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T19:55:58.630705Z"},"content_sha256":"5ebabecba405e8956367902f59c2532ef4a20d0247d3e599bf4ff02ea89f7d1a","schema_version":"1.0","event_id":"sha256:5ebabecba405e8956367902f59c2532ef4a20d0247d3e599bf4ff02ea89f7d1a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:3J6BCFDQ6K4YWVWFJ5ZFG5BXZO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Progressive Attention Memory Network for Movie Story Question Answering","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Chang D. Yoo, Junyeong Kim, Kyungsu Kim, Minuk Ma, Sungjin Kim","submitted_at":"2019-04-18T06:52:17Z","abstract_excerpt":"This paper proposes the progressive attention memory network (PAMN) for movie story question answering (QA). Movie story QA is challenging compared to VQA in two aspects: (1) pinpointing the temporal parts relevant to answer the question is difficult as the movies are typically longer than an hour, (2) it has both video and subtitle where different questions require different modality to infer the answer. To overcome these challenges, PAMN involves three main features: (1) progressive attention mechanism that utilizes cues from both question and answer to progressively prune out irrelevant tem"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.08607","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"2026-05-17T23:48:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2adjh0EiPmsEsthNJyMvDXPEHpZaXd1PjsbSGCtnTEDGcSv8BWN++cYFMXqTT2ONQ2WWOdMynkyn68iknE+EAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T19:55:58.631386Z"},"content_sha256":"318cf932d1b41d3e335b27c8a58c20527e4e83e6978ebc20e971ed1b6c018ae2","schema_version":"1.0","event_id":"sha256:318cf932d1b41d3e335b27c8a58c20527e4e83e6978ebc20e971ed1b6c018ae2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3J6BCFDQ6K4YWVWFJ5ZFG5BXZO/bundle.json","state_url":"https://pith.science/pith/3J6BCFDQ6K4YWVWFJ5ZFG5BXZO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3J6BCFDQ6K4YWVWFJ5ZFG5BXZO/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":"2026-05-28T19:55:58Z","links":{"resolver":"https://pith.science/pith/3J6BCFDQ6K4YWVWFJ5ZFG5BXZO","bundle":"https://pith.science/pith/3J6BCFDQ6K4YWVWFJ5ZFG5BXZO/bundle.json","state":"https://pith.science/pith/3J6BCFDQ6K4YWVWFJ5ZFG5BXZO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3J6BCFDQ6K4YWVWFJ5ZFG5BXZO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:3J6BCFDQ6K4YWVWFJ5ZFG5BXZO","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":"01baaa0e31a4d67827be2e0c4e1547c2398cd10e0980a809d5755d08249d7b53","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-18T06:52:17Z","title_canon_sha256":"2d453cc294a14731e8bfef55e62219aaf44ea5463e37534fee76b5d81d8dd2b7"},"schema_version":"1.0","source":{"id":"1904.08607","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.08607","created_at":"2026-05-17T23:48:13Z"},{"alias_kind":"arxiv_version","alias_value":"1904.08607v1","created_at":"2026-05-17T23:48:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.08607","created_at":"2026-05-17T23:48:13Z"},{"alias_kind":"pith_short_12","alias_value":"3J6BCFDQ6K4Y","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"3J6BCFDQ6K4YWVWF","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"3J6BCFDQ","created_at":"2026-05-18T12:33:07Z"}],"graph_snapshots":[{"event_id":"sha256:318cf932d1b41d3e335b27c8a58c20527e4e83e6978ebc20e971ed1b6c018ae2","target":"graph","created_at":"2026-05-17T23:48:13Z","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 proposes the progressive attention memory network (PAMN) for movie story question answering (QA). Movie story QA is challenging compared to VQA in two aspects: (1) pinpointing the temporal parts relevant to answer the question is difficult as the movies are typically longer than an hour, (2) it has both video and subtitle where different questions require different modality to infer the answer. To overcome these challenges, PAMN involves three main features: (1) progressive attention mechanism that utilizes cues from both question and answer to progressively prune out irrelevant tem","authors_text":"Chang D. Yoo, Junyeong Kim, Kyungsu Kim, Minuk Ma, Sungjin Kim","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-18T06:52:17Z","title":"Progressive Attention Memory Network for Movie Story Question Answering"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.08607","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":"sha256:5ebabecba405e8956367902f59c2532ef4a20d0247d3e599bf4ff02ea89f7d1a","target":"record","created_at":"2026-05-17T23:48:13Z","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":"01baaa0e31a4d67827be2e0c4e1547c2398cd10e0980a809d5755d08249d7b53","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-18T06:52:17Z","title_canon_sha256":"2d453cc294a14731e8bfef55e62219aaf44ea5463e37534fee76b5d81d8dd2b7"},"schema_version":"1.0","source":{"id":"1904.08607","kind":"arxiv","version":1}},"canonical_sha256":"da7c111470f2b98b56c54f72537437cb909b7458695412fd695dd14174d48116","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"da7c111470f2b98b56c54f72537437cb909b7458695412fd695dd14174d48116","first_computed_at":"2026-05-17T23:48:13.738011Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:48:13.738011Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MpTOjT6iUASAOvGsYBZeR1EuRmHCdGtt87SNSoqSgZ7m7cXTp9PBLIXCBIv9F1d2CLIsTA3tcH1DdZsvLe4hDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:48:13.738698Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.08607","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5ebabecba405e8956367902f59c2532ef4a20d0247d3e599bf4ff02ea89f7d1a","sha256:318cf932d1b41d3e335b27c8a58c20527e4e83e6978ebc20e971ed1b6c018ae2"],"state_sha256":"a2fb0d7cc1c74d11fea7bc0ba6726c48f876162340dd9a7e8cf6af2edcb7d66b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kVcJjJROt9gduYXfTLjJyVGZv5Iv9xkU56hVESBnLJEHh7yzqBDht9vlDGOs5qTl0Q5GsyahkFqzUafqd5usDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T19:55:58.635042Z","bundle_sha256":"ba7ce17b5484a9f37179da7e499ce8559a00b1a24901d241b2597b13bf9569c5"}}