{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:3DJ2MGIJJRTLC2PXBHQA5ZSSB5","short_pith_number":"pith:3DJ2MGIJ","canonical_record":{"source":{"id":"1809.04938","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2018-09-13T13:27:52Z","cross_cats_sorted":[],"title_canon_sha256":"aa450cdbb0b43542894f98a11dc28b0fd85c3012a4b485a3825fbf3b221946e7","abstract_canon_sha256":"7c2484177b97ff6a97ed23c804f6554a130ecb561b498d3851838f45f1661011"},"schema_version":"1.0"},"canonical_sha256":"d8d3a619094c66b169f709e00ee6520f46e8ecdd090460b1a746b464e6d2c14e","source":{"kind":"arxiv","id":"1809.04938","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.04938","created_at":"2026-05-17T23:59:38Z"},{"alias_kind":"arxiv_version","alias_value":"1809.04938v2","created_at":"2026-05-17T23:59:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.04938","created_at":"2026-05-17T23:59:38Z"},{"alias_kind":"pith_short_12","alias_value":"3DJ2MGIJJRTL","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"3DJ2MGIJJRTLC2PX","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"3DJ2MGIJ","created_at":"2026-05-18T12:32:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:3DJ2MGIJJRTLC2PXBHQA5ZSSB5","target":"record","payload":{"canonical_record":{"source":{"id":"1809.04938","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2018-09-13T13:27:52Z","cross_cats_sorted":[],"title_canon_sha256":"aa450cdbb0b43542894f98a11dc28b0fd85c3012a4b485a3825fbf3b221946e7","abstract_canon_sha256":"7c2484177b97ff6a97ed23c804f6554a130ecb561b498d3851838f45f1661011"},"schema_version":"1.0"},"canonical_sha256":"d8d3a619094c66b169f709e00ee6520f46e8ecdd090460b1a746b464e6d2c14e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:59:38.355819Z","signature_b64":"FjMH9TItLNaFZxEQpxQTvc9cXkee9ozC2rxYIg8sa6T9+yXGSKcyNUjBcrTn6tBVGHrMD95wgbDlHygwoURpCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d8d3a619094c66b169f709e00ee6520f46e8ecdd090460b1a746b464e6d2c14e","last_reissued_at":"2026-05-17T23:59:38.354878Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:59:38.354878Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1809.04938","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:59:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OBxeGqyLKjGwoF4EaBflarlY6xj3MvnUpqAk3LidHReV6ic8X3sMYUDlroAa6lWagmnUbmltjK+7N9SqdHXuCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T05:04:38.941400Z"},"content_sha256":"b4d9c986332ba9d127b25e7940a89fd901277046dffe90541be70a724a6d27cb","schema_version":"1.0","event_id":"sha256:b4d9c986332ba9d127b25e7940a89fd901277046dffe90541be70a724a6d27cb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:3DJ2MGIJJRTLC2PXBHQA5ZSSB5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"LiveBot: Generating Live Video Comments Based on Visual and Textual Contexts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Damai Dai, Furu Wei, Lei Cui, Shuming Ma, Xu Sun","submitted_at":"2018-09-13T13:27:52Z","abstract_excerpt":"We introduce the task of automatic live commenting. Live commenting, which is also called `video barrage', is an emerging feature on online video sites that allows real-time comments from viewers to fly across the screen like bullets or roll at the right side of the screen. The live comments are a mixture of opinions for the video and the chit chats with other comments. Automatic live commenting requires AI agents to comprehend the videos and interact with human viewers who also make the comments, so it is a good testbed of an AI agent's ability of dealing with both dynamic vision and language"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.04938","kind":"arxiv","version":2},"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":"2026-05-17T23:59:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SEKSuR7ePUkBrAJMos0Oeke4YL+MvQ4xfQ5CVcnrDt2ykTiIVA13DsNC0Y2YXCy8/tU9B9W7bVv9ao6lk9JmBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T05:04:38.941766Z"},"content_sha256":"84397c475dffb7acda0f934b921e03ba7484be83c39505eb57bed1306a96583a","schema_version":"1.0","event_id":"sha256:84397c475dffb7acda0f934b921e03ba7484be83c39505eb57bed1306a96583a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3DJ2MGIJJRTLC2PXBHQA5ZSSB5/bundle.json","state_url":"https://pith.science/pith/3DJ2MGIJJRTLC2PXBHQA5ZSSB5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3DJ2MGIJJRTLC2PXBHQA5ZSSB5/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":"2026-06-02T05:04:38Z","links":{"resolver":"https://pith.science/pith/3DJ2MGIJJRTLC2PXBHQA5ZSSB5","bundle":"https://pith.science/pith/3DJ2MGIJJRTLC2PXBHQA5ZSSB5/bundle.json","state":"https://pith.science/pith/3DJ2MGIJJRTLC2PXBHQA5ZSSB5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3DJ2MGIJJRTLC2PXBHQA5ZSSB5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:3DJ2MGIJJRTLC2PXBHQA5ZSSB5","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":"7c2484177b97ff6a97ed23c804f6554a130ecb561b498d3851838f45f1661011","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2018-09-13T13:27:52Z","title_canon_sha256":"aa450cdbb0b43542894f98a11dc28b0fd85c3012a4b485a3825fbf3b221946e7"},"schema_version":"1.0","source":{"id":"1809.04938","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.04938","created_at":"2026-05-17T23:59:38Z"},{"alias_kind":"arxiv_version","alias_value":"1809.04938v2","created_at":"2026-05-17T23:59:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.04938","created_at":"2026-05-17T23:59:38Z"},{"alias_kind":"pith_short_12","alias_value":"3DJ2MGIJJRTL","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"3DJ2MGIJJRTLC2PX","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"3DJ2MGIJ","created_at":"2026-05-18T12:32:02Z"}],"graph_snapshots":[{"event_id":"sha256:84397c475dffb7acda0f934b921e03ba7484be83c39505eb57bed1306a96583a","target":"graph","created_at":"2026-05-17T23:59:38Z","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 introduce the task of automatic live commenting. Live commenting, which is also called `video barrage', is an emerging feature on online video sites that allows real-time comments from viewers to fly across the screen like bullets or roll at the right side of the screen. The live comments are a mixture of opinions for the video and the chit chats with other comments. Automatic live commenting requires AI agents to comprehend the videos and interact with human viewers who also make the comments, so it is a good testbed of an AI agent's ability of dealing with both dynamic vision and language","authors_text":"Damai Dai, Furu Wei, Lei Cui, Shuming Ma, Xu Sun","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2018-09-13T13:27:52Z","title":"LiveBot: Generating Live Video Comments Based on Visual and Textual Contexts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.04938","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:b4d9c986332ba9d127b25e7940a89fd901277046dffe90541be70a724a6d27cb","target":"record","created_at":"2026-05-17T23:59:38Z","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":"7c2484177b97ff6a97ed23c804f6554a130ecb561b498d3851838f45f1661011","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2018-09-13T13:27:52Z","title_canon_sha256":"aa450cdbb0b43542894f98a11dc28b0fd85c3012a4b485a3825fbf3b221946e7"},"schema_version":"1.0","source":{"id":"1809.04938","kind":"arxiv","version":2}},"canonical_sha256":"d8d3a619094c66b169f709e00ee6520f46e8ecdd090460b1a746b464e6d2c14e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d8d3a619094c66b169f709e00ee6520f46e8ecdd090460b1a746b464e6d2c14e","first_computed_at":"2026-05-17T23:59:38.354878Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:59:38.354878Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FjMH9TItLNaFZxEQpxQTvc9cXkee9ozC2rxYIg8sa6T9+yXGSKcyNUjBcrTn6tBVGHrMD95wgbDlHygwoURpCw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:59:38.355819Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.04938","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b4d9c986332ba9d127b25e7940a89fd901277046dffe90541be70a724a6d27cb","sha256:84397c475dffb7acda0f934b921e03ba7484be83c39505eb57bed1306a96583a"],"state_sha256":"c17821aa26f46aa17790d153c0d3076d9642f4e8d28151d1b0561c1ecd0d1f35"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8O2FSYomJOG/KTp2ZSulXk7V0rhnFZ59g3o90r4rbytDFynN6D6Gfjl0jevmpQi1Me7/iC6tsBsho8ww53InAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T05:04:38.943782Z","bundle_sha256":"26dc60e541366003c274fc3741e28963651dde5ed21d94b9e5f9b101429dbda5"}}