{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:RPX2OFIMDMF3Z7TLUOL6KHA3PX","short_pith_number":"pith:RPX2OFIM","canonical_record":{"source":{"id":"2411.09921","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-11-15T03:45:09Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"c814faadb80cf8f46107b854b45d4eb89ae8216f2a8cb3d8419d13ca1787cacf","abstract_canon_sha256":"59a14c3f4e49ae5a113a0bd311aa0ca25ecf868d9661ec24f95ae54867d34731"},"schema_version":"1.0"},"canonical_sha256":"8befa7150c1b0bbcfe6ba397e51c1b7de355fdf5c3f3d2ea5453fc410e57aa7a","source":{"kind":"arxiv","id":"2411.09921","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.09921","created_at":"2026-07-05T10:44:19Z"},{"alias_kind":"arxiv_version","alias_value":"2411.09921v2","created_at":"2026-07-05T10:44:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.09921","created_at":"2026-07-05T10:44:19Z"},{"alias_kind":"pith_short_12","alias_value":"RPX2OFIMDMF3","created_at":"2026-07-05T10:44:19Z"},{"alias_kind":"pith_short_16","alias_value":"RPX2OFIMDMF3Z7TL","created_at":"2026-07-05T10:44:19Z"},{"alias_kind":"pith_short_8","alias_value":"RPX2OFIM","created_at":"2026-07-05T10:44:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:RPX2OFIMDMF3Z7TLUOL6KHA3PX","target":"record","payload":{"canonical_record":{"source":{"id":"2411.09921","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-11-15T03:45:09Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"c814faadb80cf8f46107b854b45d4eb89ae8216f2a8cb3d8419d13ca1787cacf","abstract_canon_sha256":"59a14c3f4e49ae5a113a0bd311aa0ca25ecf868d9661ec24f95ae54867d34731"},"schema_version":"1.0"},"canonical_sha256":"8befa7150c1b0bbcfe6ba397e51c1b7de355fdf5c3f3d2ea5453fc410e57aa7a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:44:19.886292Z","signature_b64":"H8uUIo/x05VOZXzaMxKnclR13P9VQZ1iZ7kogNwFBsQK3/ClOmMb3W55F0MJDW2SberQk/tNrwbG3HB7f7RqCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8befa7150c1b0bbcfe6ba397e51c1b7de355fdf5c3f3d2ea5453fc410e57aa7a","last_reissued_at":"2026-07-05T10:44:19.885845Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:44:19.885845Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2411.09921","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":"2026-07-05T10:44:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9mRLZFOXB6pytvkvHrS8WvRAegx4eoNII1r9m90nCNMUNnqVDDFvz40gDzZ0w00yXg81E4XVzzvDZOfe1m/BCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T04:11:26.640048Z"},"content_sha256":"b3fd8597136e1eb76f7431fa2acc9508aee4a8b86013ba829985749c072850a3","schema_version":"1.0","event_id":"sha256:b3fd8597136e1eb76f7431fa2acc9508aee4a8b86013ba829985749c072850a3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:RPX2OFIMDMF3Z7TLUOL6KHA3PX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Motion-Grounded Video Reasoning: Understanding and Perceiving Motion at Pixel Level","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CV","authors_text":"Ajmal Saeed Mian, Andong Deng, Chen Chen, Lincoln Spencer, Mohit Bansal, Shoubin Yu, Taojiannan Yang, Tongjia Chen, Yapeng Tian","submitted_at":"2024-11-15T03:45:09Z","abstract_excerpt":"In this paper, we introduce Motion-Grounded Video Reasoning, a new motion understanding task that requires generating visual answers (video segmentation masks) according to the input question, and hence needs implicit spatiotemporal reasoning and grounding. This task extends existing spatiotemporal grounding work focusing on explicit action/motion grounding, to a more general format by enabling implicit reasoning via questions. To facilitate the development of the new task, we collect a large-scale dataset called GROUNDMORE, which comprises 1,715 video clips, 249K object masks that are deliber"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.09921","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2411.09921/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":"2026-07-05T10:44:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"80ejSKO3NdUnO80eImVmNBzlC7MvEdrjU/9LcDcIRVISHzIvDltaiTlXNEaVmf8BWGHsTCFdy/H5IajoxFltDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T04:11:26.640449Z"},"content_sha256":"d139bbeb29c834e0fb9c9ac8c96f1c2d151172cf312e1d8371556eaab70f3931","schema_version":"1.0","event_id":"sha256:d139bbeb29c834e0fb9c9ac8c96f1c2d151172cf312e1d8371556eaab70f3931"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RPX2OFIMDMF3Z7TLUOL6KHA3PX/bundle.json","state_url":"https://pith.science/pith/RPX2OFIMDMF3Z7TLUOL6KHA3PX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RPX2OFIMDMF3Z7TLUOL6KHA3PX/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":"2026-07-09T04:11:26Z","links":{"resolver":"https://pith.science/pith/RPX2OFIMDMF3Z7TLUOL6KHA3PX","bundle":"https://pith.science/pith/RPX2OFIMDMF3Z7TLUOL6KHA3PX/bundle.json","state":"https://pith.science/pith/RPX2OFIMDMF3Z7TLUOL6KHA3PX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RPX2OFIMDMF3Z7TLUOL6KHA3PX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:RPX2OFIMDMF3Z7TLUOL6KHA3PX","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":"59a14c3f4e49ae5a113a0bd311aa0ca25ecf868d9661ec24f95ae54867d34731","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-11-15T03:45:09Z","title_canon_sha256":"c814faadb80cf8f46107b854b45d4eb89ae8216f2a8cb3d8419d13ca1787cacf"},"schema_version":"1.0","source":{"id":"2411.09921","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.09921","created_at":"2026-07-05T10:44:19Z"},{"alias_kind":"arxiv_version","alias_value":"2411.09921v2","created_at":"2026-07-05T10:44:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.09921","created_at":"2026-07-05T10:44:19Z"},{"alias_kind":"pith_short_12","alias_value":"RPX2OFIMDMF3","created_at":"2026-07-05T10:44:19Z"},{"alias_kind":"pith_short_16","alias_value":"RPX2OFIMDMF3Z7TL","created_at":"2026-07-05T10:44:19Z"},{"alias_kind":"pith_short_8","alias_value":"RPX2OFIM","created_at":"2026-07-05T10:44:19Z"}],"graph_snapshots":[{"event_id":"sha256:d139bbeb29c834e0fb9c9ac8c96f1c2d151172cf312e1d8371556eaab70f3931","target":"graph","created_at":"2026-07-05T10:44:19Z","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/2411.09921/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, we introduce Motion-Grounded Video Reasoning, a new motion understanding task that requires generating visual answers (video segmentation masks) according to the input question, and hence needs implicit spatiotemporal reasoning and grounding. This task extends existing spatiotemporal grounding work focusing on explicit action/motion grounding, to a more general format by enabling implicit reasoning via questions. To facilitate the development of the new task, we collect a large-scale dataset called GROUNDMORE, which comprises 1,715 video clips, 249K object masks that are deliber","authors_text":"Ajmal Saeed Mian, Andong Deng, Chen Chen, Lincoln Spencer, Mohit Bansal, Shoubin Yu, Taojiannan Yang, Tongjia Chen, Yapeng Tian","cross_cats":["cs.AI"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-11-15T03:45:09Z","title":"Motion-Grounded Video Reasoning: Understanding and Perceiving Motion at Pixel Level"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.09921","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:b3fd8597136e1eb76f7431fa2acc9508aee4a8b86013ba829985749c072850a3","target":"record","created_at":"2026-07-05T10:44:19Z","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":"59a14c3f4e49ae5a113a0bd311aa0ca25ecf868d9661ec24f95ae54867d34731","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-11-15T03:45:09Z","title_canon_sha256":"c814faadb80cf8f46107b854b45d4eb89ae8216f2a8cb3d8419d13ca1787cacf"},"schema_version":"1.0","source":{"id":"2411.09921","kind":"arxiv","version":2}},"canonical_sha256":"8befa7150c1b0bbcfe6ba397e51c1b7de355fdf5c3f3d2ea5453fc410e57aa7a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8befa7150c1b0bbcfe6ba397e51c1b7de355fdf5c3f3d2ea5453fc410e57aa7a","first_computed_at":"2026-07-05T10:44:19.885845Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:44:19.885845Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"H8uUIo/x05VOZXzaMxKnclR13P9VQZ1iZ7kogNwFBsQK3/ClOmMb3W55F0MJDW2SberQk/tNrwbG3HB7f7RqCg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:44:19.886292Z","signed_message":"canonical_sha256_bytes"},"source_id":"2411.09921","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b3fd8597136e1eb76f7431fa2acc9508aee4a8b86013ba829985749c072850a3","sha256:d139bbeb29c834e0fb9c9ac8c96f1c2d151172cf312e1d8371556eaab70f3931"],"state_sha256":"69b93ed0b030a38894487ca20ab2d86458a839ecb71e70966956dfe0629c123a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pg3IFvjh92BzH4FXiNvBmT9XXqGXxk3SfPbU8/8GV6LvN8zGTH98w5pyBHk864mHYt5JS42AytKXnxKLI8zQBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-09T04:11:26.643432Z","bundle_sha256":"89c8de4c95b3e0f6dd4ef418cfb46746cead8bd13b7d9657653cb94631fd9fff"}}