{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:D55Z6NI5KLQ3MLGT5MD3IKF36O","short_pith_number":"pith:D55Z6NI5","canonical_record":{"source":{"id":"2112.02828","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-12-06T07:28:52Z","cross_cats_sorted":[],"title_canon_sha256":"8a5cb4aab15ee6448758598198347456b02cf281c5e4c72f01a290f88975054b","abstract_canon_sha256":"11ad78e483f5aa1b765426cad5242e7767a801c7613673e6cf9aa070e9f3cc8d"},"schema_version":"1.0"},"canonical_sha256":"1f7b9f351d52e1b62cd3eb07b428bbf3b62c0208c0c34e1089e098b3f83e5748","source":{"kind":"arxiv","id":"2112.02828","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.02828","created_at":"2026-07-05T03:37:58Z"},{"alias_kind":"arxiv_version","alias_value":"2112.02828v1","created_at":"2026-07-05T03:37:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.02828","created_at":"2026-07-05T03:37:58Z"},{"alias_kind":"pith_short_12","alias_value":"D55Z6NI5KLQ3","created_at":"2026-07-05T03:37:58Z"},{"alias_kind":"pith_short_16","alias_value":"D55Z6NI5KLQ3MLGT","created_at":"2026-07-05T03:37:58Z"},{"alias_kind":"pith_short_8","alias_value":"D55Z6NI5","created_at":"2026-07-05T03:37:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:D55Z6NI5KLQ3MLGT5MD3IKF36O","target":"record","payload":{"canonical_record":{"source":{"id":"2112.02828","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-12-06T07:28:52Z","cross_cats_sorted":[],"title_canon_sha256":"8a5cb4aab15ee6448758598198347456b02cf281c5e4c72f01a290f88975054b","abstract_canon_sha256":"11ad78e483f5aa1b765426cad5242e7767a801c7613673e6cf9aa070e9f3cc8d"},"schema_version":"1.0"},"canonical_sha256":"1f7b9f351d52e1b62cd3eb07b428bbf3b62c0208c0c34e1089e098b3f83e5748","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:37:58.193459Z","signature_b64":"ZE+lOm4hLoMYiMm97LkTkNDhye3tgg6Cq7GMr2aNi3hhS/9wx4vSJZTS62sgRMGSPeu2kV+gJY+cTsXdv0A6AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1f7b9f351d52e1b62cd3eb07b428bbf3b62c0208c0c34e1089e098b3f83e5748","last_reissued_at":"2026-07-05T03:37:58.192956Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:37:58.192956Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2112.02828","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":"2026-07-05T03:37:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3AiNsIKi39swZB25jkD31citohs4mLt40SbMClucoxs2orgtHHZ4D2cKb8+ywPhrGLGzp5+ZlYWQ05S1ducwBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T11:56:45.190230Z"},"content_sha256":"047ab46592ca47e6518c5aafe002bf725379789ff84326e5d8b3cbab72155c5d","schema_version":"1.0","event_id":"sha256:047ab46592ca47e6518c5aafe002bf725379789ff84326e5d8b3cbab72155c5d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:D55Z6NI5KLQ3MLGT5MD3IKF36O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"PP-MSVSR: Multi-Stage Video Super-Resolution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Baohua Lai, Lielin Jiang, Na Wang, Qingqing Dang, Rui Liu","submitted_at":"2021-12-06T07:28:52Z","abstract_excerpt":"Different from the Single Image Super-Resolution(SISR) task, the key for Video Super-Resolution(VSR) task is to make full use of complementary information across frames to reconstruct the high-resolution sequence. Since images from different frames with diverse motion and scene, accurately aligning multiple frames and effectively fusing different frames has always been the key research work of VSR tasks. To utilize rich complementary information of neighboring frames, in this paper, we propose a multi-stage VSR deep architecture, dubbed as PP-MSVSR, with local fusion module, auxiliary loss and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.02828","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/2112.02828/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":"2026-07-05T03:37:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4vrVNrnUywWOyIbUqA5rdynDWXH7HT8vl5Yt6ZufnpeWyi4zZeoyeF1wfK7giU3HoTHwfr/VamB+lEXnnC2gAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T11:56:45.190635Z"},"content_sha256":"a721dc70ac272238befd655cf4e1ca7c003c5c6ce437a029de40de95754ff3ee","schema_version":"1.0","event_id":"sha256:a721dc70ac272238befd655cf4e1ca7c003c5c6ce437a029de40de95754ff3ee"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D55Z6NI5KLQ3MLGT5MD3IKF36O/bundle.json","state_url":"https://pith.science/pith/D55Z6NI5KLQ3MLGT5MD3IKF36O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D55Z6NI5KLQ3MLGT5MD3IKF36O/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":"2026-07-05T11:56:45Z","links":{"resolver":"https://pith.science/pith/D55Z6NI5KLQ3MLGT5MD3IKF36O","bundle":"https://pith.science/pith/D55Z6NI5KLQ3MLGT5MD3IKF36O/bundle.json","state":"https://pith.science/pith/D55Z6NI5KLQ3MLGT5MD3IKF36O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D55Z6NI5KLQ3MLGT5MD3IKF36O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:D55Z6NI5KLQ3MLGT5MD3IKF36O","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":"11ad78e483f5aa1b765426cad5242e7767a801c7613673e6cf9aa070e9f3cc8d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-12-06T07:28:52Z","title_canon_sha256":"8a5cb4aab15ee6448758598198347456b02cf281c5e4c72f01a290f88975054b"},"schema_version":"1.0","source":{"id":"2112.02828","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.02828","created_at":"2026-07-05T03:37:58Z"},{"alias_kind":"arxiv_version","alias_value":"2112.02828v1","created_at":"2026-07-05T03:37:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.02828","created_at":"2026-07-05T03:37:58Z"},{"alias_kind":"pith_short_12","alias_value":"D55Z6NI5KLQ3","created_at":"2026-07-05T03:37:58Z"},{"alias_kind":"pith_short_16","alias_value":"D55Z6NI5KLQ3MLGT","created_at":"2026-07-05T03:37:58Z"},{"alias_kind":"pith_short_8","alias_value":"D55Z6NI5","created_at":"2026-07-05T03:37:58Z"}],"graph_snapshots":[{"event_id":"sha256:a721dc70ac272238befd655cf4e1ca7c003c5c6ce437a029de40de95754ff3ee","target":"graph","created_at":"2026-07-05T03:37:58Z","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/2112.02828/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Different from the Single Image Super-Resolution(SISR) task, the key for Video Super-Resolution(VSR) task is to make full use of complementary information across frames to reconstruct the high-resolution sequence. Since images from different frames with diverse motion and scene, accurately aligning multiple frames and effectively fusing different frames has always been the key research work of VSR tasks. To utilize rich complementary information of neighboring frames, in this paper, we propose a multi-stage VSR deep architecture, dubbed as PP-MSVSR, with local fusion module, auxiliary loss and","authors_text":"Baohua Lai, Lielin Jiang, Na Wang, Qingqing Dang, Rui Liu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-12-06T07:28:52Z","title":"PP-MSVSR: Multi-Stage Video Super-Resolution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.02828","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":"sha256:047ab46592ca47e6518c5aafe002bf725379789ff84326e5d8b3cbab72155c5d","target":"record","created_at":"2026-07-05T03:37:58Z","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":"11ad78e483f5aa1b765426cad5242e7767a801c7613673e6cf9aa070e9f3cc8d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-12-06T07:28:52Z","title_canon_sha256":"8a5cb4aab15ee6448758598198347456b02cf281c5e4c72f01a290f88975054b"},"schema_version":"1.0","source":{"id":"2112.02828","kind":"arxiv","version":1}},"canonical_sha256":"1f7b9f351d52e1b62cd3eb07b428bbf3b62c0208c0c34e1089e098b3f83e5748","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1f7b9f351d52e1b62cd3eb07b428bbf3b62c0208c0c34e1089e098b3f83e5748","first_computed_at":"2026-07-05T03:37:58.192956Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:37:58.192956Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZE+lOm4hLoMYiMm97LkTkNDhye3tgg6Cq7GMr2aNi3hhS/9wx4vSJZTS62sgRMGSPeu2kV+gJY+cTsXdv0A6AA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:37:58.193459Z","signed_message":"canonical_sha256_bytes"},"source_id":"2112.02828","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:047ab46592ca47e6518c5aafe002bf725379789ff84326e5d8b3cbab72155c5d","sha256:a721dc70ac272238befd655cf4e1ca7c003c5c6ce437a029de40de95754ff3ee"],"state_sha256":"33a522b711bfe6d9c19a10c19c0e53ec9df8e0229015ff426f8a254edb9589b1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WSBmwW5O7nsJBfKvUoRK6txMcpN0Z4LlGIF8Qm9wUpgmjOSasX8dGWwWL54ufnoaFcVdM0DMJFGzdtQhuTP7AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T11:56:45.192655Z","bundle_sha256":"3f9ef420e0937fa66ff5ce699a70b5cea77e03cd2370cc53347fea1dc6d79d77"}}