{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:SF7QAQRBSZAJBSQF3ZPGJEJDOR","short_pith_number":"pith:SF7QAQRB","canonical_record":{"source":{"id":"2108.08815","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-08-19T17:33:13Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"1bffdc08880fb73dec63618b92965b0ced4edad96ea9d1ce628b77d7a1b47107","abstract_canon_sha256":"cbda541b8a07e2b72b48aa71a053b0a385bd7b59af69a87f039a5921a30b82e0"},"schema_version":"1.0"},"canonical_sha256":"917f004221964090ca05de5e649123744475622e5417a43ebb7929787785e8b8","source":{"kind":"arxiv","id":"2108.08815","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.08815","created_at":"2026-07-05T03:07:14Z"},{"alias_kind":"arxiv_version","alias_value":"2108.08815v1","created_at":"2026-07-05T03:07:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.08815","created_at":"2026-07-05T03:07:14Z"},{"alias_kind":"pith_short_12","alias_value":"SF7QAQRBSZAJ","created_at":"2026-07-05T03:07:14Z"},{"alias_kind":"pith_short_16","alias_value":"SF7QAQRBSZAJBSQF","created_at":"2026-07-05T03:07:14Z"},{"alias_kind":"pith_short_8","alias_value":"SF7QAQRB","created_at":"2026-07-05T03:07:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:SF7QAQRBSZAJBSQF3ZPGJEJDOR","target":"record","payload":{"canonical_record":{"source":{"id":"2108.08815","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-08-19T17:33:13Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"1bffdc08880fb73dec63618b92965b0ced4edad96ea9d1ce628b77d7a1b47107","abstract_canon_sha256":"cbda541b8a07e2b72b48aa71a053b0a385bd7b59af69a87f039a5921a30b82e0"},"schema_version":"1.0"},"canonical_sha256":"917f004221964090ca05de5e649123744475622e5417a43ebb7929787785e8b8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:07:14.021060Z","signature_b64":"XBfnOpO7mIr4e1HenNXY3+pv5JB9IDQXvmQr8ZUBQLGALBQ2mgTCVQS9V6DRaEZjSjsd6XXxbb87g7mMWnPvCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"917f004221964090ca05de5e649123744475622e5417a43ebb7929787785e8b8","last_reissued_at":"2026-07-05T03:07:14.020586Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:07:14.020586Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2108.08815","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":"2026-07-05T03:07:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WgbtwVARaox9vq29KWEVyzik7cuqzY8kGErrQEm/zSleXomW+7Sz6dNFZn5FVBtlwJ4UgOWJuJfPwlNB81YVBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T17:14:43.587557Z"},"content_sha256":"f2860e45bbcd973632ce881e8b8957fa9cdeb1aeb0bd2feff4bd549cd0350652","schema_version":"1.0","event_id":"sha256:f2860e45bbcd973632ce881e8b8957fa9cdeb1aeb0bd2feff4bd549cd0350652"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:SF7QAQRBSZAJBSQF3ZPGJEJDOR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Click to Move: Controlling Video Generation with Sparse Motion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CV","authors_text":"Bruno Lepri, Elisa Ricci, Marco De Nadai, Pierfrancesco Ardino, St\\'ephane Lathuili\\`ere","submitted_at":"2021-08-19T17:33:13Z","abstract_excerpt":"This paper introduces Click to Move (C2M), a novel framework for video generation where the user can control the motion of the synthesized video through mouse clicks specifying simple object trajectories of the key objects in the scene. Our model receives as input an initial frame, its corresponding segmentation map and the sparse motion vectors encoding the input provided by the user. It outputs a plausible video sequence starting from the given frame and with a motion that is consistent with user input. Notably, our proposed deep architecture incorporates a Graph Convolution Network (GCN) mo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.08815","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2108.08815/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":"2026-07-05T03:07:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gPxjyuPTwq3aOsBjioQ5zMRse+XVTo42+VT+JO+P11ViBt85+/2qkH24UCqeqPhmTzriEPbj8TD34YNS1plrDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T17:14:43.588489Z"},"content_sha256":"4b72c8384ec55a64fa2dc88c18d1302cc89fb909e602e35be276b46c836a6a93","schema_version":"1.0","event_id":"sha256:4b72c8384ec55a64fa2dc88c18d1302cc89fb909e602e35be276b46c836a6a93"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SF7QAQRBSZAJBSQF3ZPGJEJDOR/bundle.json","state_url":"https://pith.science/pith/SF7QAQRBSZAJBSQF3ZPGJEJDOR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SF7QAQRBSZAJBSQF3ZPGJEJDOR/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":"2026-08-11T17:14:43Z","links":{"resolver":"https://pith.science/pith/SF7QAQRBSZAJBSQF3ZPGJEJDOR","bundle":"https://pith.science/pith/SF7QAQRBSZAJBSQF3ZPGJEJDOR/bundle.json","state":"https://pith.science/pith/SF7QAQRBSZAJBSQF3ZPGJEJDOR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SF7QAQRBSZAJBSQF3ZPGJEJDOR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:SF7QAQRBSZAJBSQF3ZPGJEJDOR","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":"cbda541b8a07e2b72b48aa71a053b0a385bd7b59af69a87f039a5921a30b82e0","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-08-19T17:33:13Z","title_canon_sha256":"1bffdc08880fb73dec63618b92965b0ced4edad96ea9d1ce628b77d7a1b47107"},"schema_version":"1.0","source":{"id":"2108.08815","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.08815","created_at":"2026-07-05T03:07:14Z"},{"alias_kind":"arxiv_version","alias_value":"2108.08815v1","created_at":"2026-07-05T03:07:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.08815","created_at":"2026-07-05T03:07:14Z"},{"alias_kind":"pith_short_12","alias_value":"SF7QAQRBSZAJ","created_at":"2026-07-05T03:07:14Z"},{"alias_kind":"pith_short_16","alias_value":"SF7QAQRBSZAJBSQF","created_at":"2026-07-05T03:07:14Z"},{"alias_kind":"pith_short_8","alias_value":"SF7QAQRB","created_at":"2026-07-05T03:07:14Z"}],"graph_snapshots":[{"event_id":"sha256:4b72c8384ec55a64fa2dc88c18d1302cc89fb909e602e35be276b46c836a6a93","target":"graph","created_at":"2026-07-05T03:07:14Z","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/2108.08815/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper introduces Click to Move (C2M), a novel framework for video generation where the user can control the motion of the synthesized video through mouse clicks specifying simple object trajectories of the key objects in the scene. Our model receives as input an initial frame, its corresponding segmentation map and the sparse motion vectors encoding the input provided by the user. It outputs a plausible video sequence starting from the given frame and with a motion that is consistent with user input. Notably, our proposed deep architecture incorporates a Graph Convolution Network (GCN) mo","authors_text":"Bruno Lepri, Elisa Ricci, Marco De Nadai, Pierfrancesco Ardino, St\\'ephane Lathuili\\`ere","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-08-19T17:33:13Z","title":"Click to Move: Controlling Video Generation with Sparse Motion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.08815","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:f2860e45bbcd973632ce881e8b8957fa9cdeb1aeb0bd2feff4bd549cd0350652","target":"record","created_at":"2026-07-05T03:07:14Z","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":"cbda541b8a07e2b72b48aa71a053b0a385bd7b59af69a87f039a5921a30b82e0","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-08-19T17:33:13Z","title_canon_sha256":"1bffdc08880fb73dec63618b92965b0ced4edad96ea9d1ce628b77d7a1b47107"},"schema_version":"1.0","source":{"id":"2108.08815","kind":"arxiv","version":1}},"canonical_sha256":"917f004221964090ca05de5e649123744475622e5417a43ebb7929787785e8b8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"917f004221964090ca05de5e649123744475622e5417a43ebb7929787785e8b8","first_computed_at":"2026-07-05T03:07:14.020586Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:07:14.020586Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XBfnOpO7mIr4e1HenNXY3+pv5JB9IDQXvmQr8ZUBQLGALBQ2mgTCVQS9V6DRaEZjSjsd6XXxbb87g7mMWnPvCg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:07:14.021060Z","signed_message":"canonical_sha256_bytes"},"source_id":"2108.08815","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f2860e45bbcd973632ce881e8b8957fa9cdeb1aeb0bd2feff4bd549cd0350652","sha256:4b72c8384ec55a64fa2dc88c18d1302cc89fb909e602e35be276b46c836a6a93"],"state_sha256":"d9515a737e8d87d9c7d17f634c22b4bebd82cb8c0f46469bbd6e3a4217f5e9cd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"edEf7lmZqvQdnjZ+b5MtT3gifpRhm18+mNpMvYo63kORjzTR8UoUfjnpW/+qsb+pPLQRAIADLRyV/Oe3kZpdAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T17:14:43.597042Z","bundle_sha256":"921b5e181e1914c102c1dca5f52f15aa4a2bc9f9dad7802b1596ab5fd70fa630"}}