{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:YCTPH76UKBUAV67V6RGSP4EGGT","short_pith_number":"pith:YCTPH76U","canonical_record":{"source":{"id":"2212.07339","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-12-14T17:02:16Z","cross_cats_sorted":[],"title_canon_sha256":"8de21fcd3ae6c048712fb974c4574a74a6345fbdc4585a3eec8763d6170681f7","abstract_canon_sha256":"3506127c7c1dc289d185895639ffb73e29138054067a654341f088fb50552b30"},"schema_version":"1.0"},"canonical_sha256":"c0a6f3ffd450680afbf5f44d27f08634ddcb46df45b6df5ab679a312dadb165c","source":{"kind":"arxiv","id":"2212.07339","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.07339","created_at":"2026-07-05T05:25:24Z"},{"alias_kind":"arxiv_version","alias_value":"2212.07339v1","created_at":"2026-07-05T05:25:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.07339","created_at":"2026-07-05T05:25:24Z"},{"alias_kind":"pith_short_12","alias_value":"YCTPH76UKBUA","created_at":"2026-07-05T05:25:24Z"},{"alias_kind":"pith_short_16","alias_value":"YCTPH76UKBUAV67V","created_at":"2026-07-05T05:25:24Z"},{"alias_kind":"pith_short_8","alias_value":"YCTPH76U","created_at":"2026-07-05T05:25:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:YCTPH76UKBUAV67V6RGSP4EGGT","target":"record","payload":{"canonical_record":{"source":{"id":"2212.07339","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-12-14T17:02:16Z","cross_cats_sorted":[],"title_canon_sha256":"8de21fcd3ae6c048712fb974c4574a74a6345fbdc4585a3eec8763d6170681f7","abstract_canon_sha256":"3506127c7c1dc289d185895639ffb73e29138054067a654341f088fb50552b30"},"schema_version":"1.0"},"canonical_sha256":"c0a6f3ffd450680afbf5f44d27f08634ddcb46df45b6df5ab679a312dadb165c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:25:24.066855Z","signature_b64":"1THxYBBRpOzGclOnUPVbdzT/m+vgY0MzCn4H/PfYgPp4OY/9/BweMA6Y9A9L/snoO1huMN0c5D2yKw+upQrWDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c0a6f3ffd450680afbf5f44d27f08634ddcb46df45b6df5ab679a312dadb165c","last_reissued_at":"2026-07-05T05:25:24.066403Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:25:24.066403Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2212.07339","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":"2026-07-05T05:25:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F0ifGjBK4WLUUdBQ4erVim7y6JpWhduAzWNFuWEEfzar5wbszVBZQdaPCd79+sRqUKlwdqlrvcO/5DdTWuyjCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T15:08:28.745962Z"},"content_sha256":"3e39066a713a4a9386437dc2b2df9285d3b4c183d433fbb05acfda7100a54254","schema_version":"1.0","event_id":"sha256:3e39066a713a4a9386437dc2b2df9285d3b4c183d433fbb05acfda7100a54254"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:YCTPH76UKBUAV67V6RGSP4EGGT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mitigating Artifacts in Real-World Video Super-Resolution Models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Chao Dong, Jinjin Gu, Liangbin Xie, Shuwei Shi, Xintao Wang, Ying Shan","submitted_at":"2022-12-14T17:02:16Z","abstract_excerpt":"The recurrent structure is a prevalent framework for the task of video super-resolution, which models the temporal dependency between frames via hidden states. When applied to real-world scenarios with unknown and complex degradations, hidden states tend to contain unpleasant artifacts and propagate them to restored frames. In this circumstance, our analyses show that such artifacts can be largely alleviated when the hidden state is replaced with a cleaner counterpart. Based on the observations, we propose a Hidden State Attention (HSA) module to mitigate artifacts in real-world video super-re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.07339","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/2212.07339/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":"2026-07-05T05:25:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2LKq6yn6QIBgGhpt2O0mWT6vKIAeLhg5pgRHUHyMNYJm1F65KZ/F5X38fii3NeXiVF+qlsuJxSbLRDcXfeaXCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T15:08:28.746345Z"},"content_sha256":"13696a36e421c33ace4b8ad36d6773b8528f14365dcd57b745b5196bb02f11cd","schema_version":"1.0","event_id":"sha256:13696a36e421c33ace4b8ad36d6773b8528f14365dcd57b745b5196bb02f11cd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YCTPH76UKBUAV67V6RGSP4EGGT/bundle.json","state_url":"https://pith.science/pith/YCTPH76UKBUAV67V6RGSP4EGGT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YCTPH76UKBUAV67V6RGSP4EGGT/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":"2026-07-07T15:08:28Z","links":{"resolver":"https://pith.science/pith/YCTPH76UKBUAV67V6RGSP4EGGT","bundle":"https://pith.science/pith/YCTPH76UKBUAV67V6RGSP4EGGT/bundle.json","state":"https://pith.science/pith/YCTPH76UKBUAV67V6RGSP4EGGT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YCTPH76UKBUAV67V6RGSP4EGGT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:YCTPH76UKBUAV67V6RGSP4EGGT","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":"3506127c7c1dc289d185895639ffb73e29138054067a654341f088fb50552b30","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-12-14T17:02:16Z","title_canon_sha256":"8de21fcd3ae6c048712fb974c4574a74a6345fbdc4585a3eec8763d6170681f7"},"schema_version":"1.0","source":{"id":"2212.07339","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.07339","created_at":"2026-07-05T05:25:24Z"},{"alias_kind":"arxiv_version","alias_value":"2212.07339v1","created_at":"2026-07-05T05:25:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.07339","created_at":"2026-07-05T05:25:24Z"},{"alias_kind":"pith_short_12","alias_value":"YCTPH76UKBUA","created_at":"2026-07-05T05:25:24Z"},{"alias_kind":"pith_short_16","alias_value":"YCTPH76UKBUAV67V","created_at":"2026-07-05T05:25:24Z"},{"alias_kind":"pith_short_8","alias_value":"YCTPH76U","created_at":"2026-07-05T05:25:24Z"}],"graph_snapshots":[{"event_id":"sha256:13696a36e421c33ace4b8ad36d6773b8528f14365dcd57b745b5196bb02f11cd","target":"graph","created_at":"2026-07-05T05:25:24Z","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/2212.07339/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The recurrent structure is a prevalent framework for the task of video super-resolution, which models the temporal dependency between frames via hidden states. When applied to real-world scenarios with unknown and complex degradations, hidden states tend to contain unpleasant artifacts and propagate them to restored frames. In this circumstance, our analyses show that such artifacts can be largely alleviated when the hidden state is replaced with a cleaner counterpart. Based on the observations, we propose a Hidden State Attention (HSA) module to mitigate artifacts in real-world video super-re","authors_text":"Chao Dong, Jinjin Gu, Liangbin Xie, Shuwei Shi, Xintao Wang, Ying Shan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-12-14T17:02:16Z","title":"Mitigating Artifacts in Real-World Video Super-Resolution Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.07339","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":"sha256:3e39066a713a4a9386437dc2b2df9285d3b4c183d433fbb05acfda7100a54254","target":"record","created_at":"2026-07-05T05:25:24Z","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":"3506127c7c1dc289d185895639ffb73e29138054067a654341f088fb50552b30","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-12-14T17:02:16Z","title_canon_sha256":"8de21fcd3ae6c048712fb974c4574a74a6345fbdc4585a3eec8763d6170681f7"},"schema_version":"1.0","source":{"id":"2212.07339","kind":"arxiv","version":1}},"canonical_sha256":"c0a6f3ffd450680afbf5f44d27f08634ddcb46df45b6df5ab679a312dadb165c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c0a6f3ffd450680afbf5f44d27f08634ddcb46df45b6df5ab679a312dadb165c","first_computed_at":"2026-07-05T05:25:24.066403Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:25:24.066403Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1THxYBBRpOzGclOnUPVbdzT/m+vgY0MzCn4H/PfYgPp4OY/9/BweMA6Y9A9L/snoO1huMN0c5D2yKw+upQrWDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T05:25:24.066855Z","signed_message":"canonical_sha256_bytes"},"source_id":"2212.07339","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3e39066a713a4a9386437dc2b2df9285d3b4c183d433fbb05acfda7100a54254","sha256:13696a36e421c33ace4b8ad36d6773b8528f14365dcd57b745b5196bb02f11cd"],"state_sha256":"27861f53d2977ac62b54abcec539d830748bb09ddcf0c2597882d9c7545aa382"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6z6PdBC0A8z3A93eg0HU3WDqhB2WxrNfaU1+ocu9NSiRihjGErraAhlkViI6dtI5SYyfqU3vWIQu7SkrcYRuCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T15:08:28.748393Z","bundle_sha256":"7a56f6281b650ff88b47236210d8ad5e91dc632156d0bf4a96392ac83d2250fc"}}