{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:FWEH2EG3PMRQWHK5V2ZZPAKALI","short_pith_number":"pith:FWEH2EG3","canonical_record":{"source":{"id":"2205.14574","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2022-05-29T05:42:14Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"593d23d7095a0f71f3cde59e5f361748789a156c31998347b50f052993eba2cb","abstract_canon_sha256":"d0df4554a80c00f3a61dedfb26d38da4baa8293184345e38d6b5cfafcf9fb315"},"schema_version":"1.0"},"canonical_sha256":"2d887d10db7b230b1d5daeb39781405a1e7e4db0eb71df9d543ab6be66451917","source":{"kind":"arxiv","id":"2205.14574","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.14574","created_at":"2026-07-05T04:27:18Z"},{"alias_kind":"arxiv_version","alias_value":"2205.14574v1","created_at":"2026-07-05T04:27:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.14574","created_at":"2026-07-05T04:27:18Z"},{"alias_kind":"pith_short_12","alias_value":"FWEH2EG3PMRQ","created_at":"2026-07-05T04:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"FWEH2EG3PMRQWHK5","created_at":"2026-07-05T04:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"FWEH2EG3","created_at":"2026-07-05T04:27:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:FWEH2EG3PMRQWHK5V2ZZPAKALI","target":"record","payload":{"canonical_record":{"source":{"id":"2205.14574","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2022-05-29T05:42:14Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"593d23d7095a0f71f3cde59e5f361748789a156c31998347b50f052993eba2cb","abstract_canon_sha256":"d0df4554a80c00f3a61dedfb26d38da4baa8293184345e38d6b5cfafcf9fb315"},"schema_version":"1.0"},"canonical_sha256":"2d887d10db7b230b1d5daeb39781405a1e7e4db0eb71df9d543ab6be66451917","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:27:18.906877Z","signature_b64":"ZIETlXvaQQ/lMxfTYk6uNH4rVvHMus2fuoQ2U3hKHthOyixfm5JB8TeOs0sNHZmfMDv/m1QJUVcp3Wcv9LoxDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2d887d10db7b230b1d5daeb39781405a1e7e4db0eb71df9d543ab6be66451917","last_reissued_at":"2026-07-05T04:27:18.906418Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:27:18.906418Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2205.14574","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":"2026-07-05T04:27:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"in31EAWx+D9r7tLw0dR3kzi2R4v8Rbhh29BelHba4cqeyud6UziVoGTp1P3qhSHEuD6cagJ+SNSdIkFUkVvmDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T15:08:02.934961Z"},"content_sha256":"0b0cf9e99432272b5699090f1386a1a3235490d61e5f84a1a97f8820dbffc3fa","schema_version":"1.0","event_id":"sha256:0b0cf9e99432272b5699090f1386a1a3235490d61e5f84a1a97f8820dbffc3fa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:FWEH2EG3PMRQWHK5V2ZZPAKALI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Feature-Aligned Video Raindrop Removal with Temporal Constraints","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CV","authors_text":"Lu Xu, Robby T. Tan, Wending Yan, Wenhan Yang","submitted_at":"2022-05-29T05:42:14Z","abstract_excerpt":"Existing adherent raindrop removal methods focus on the detection of the raindrop locations, and then use inpainting techniques or generative networks to recover the background behind raindrops. Yet, as adherent raindrops are diverse in sizes and appearances, the detection is challenging for both single image and video. Moreover, unlike rain streaks, adherent raindrops tend to cover the same area in several frames. Addressing these problems, our method employs a two-stage video-based raindrop removal method. The first stage is the single image module, which generates initial clean results. The"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.14574","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/2205.14574/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":"2026-07-05T04:27:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4P7lhL8eTPADxMyBWaxmuRpowKRT710BEJO+bAGXkC8qEpK1ikHY8VwnTCoS4hJ6z+uUBWm4QMgChlCrVjeTCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T15:08:02.936080Z"},"content_sha256":"3deafac26bedcd96d6e5ad3c118fad0676a91e3ef1c2dd6661c2b327189b9ffd","schema_version":"1.0","event_id":"sha256:3deafac26bedcd96d6e5ad3c118fad0676a91e3ef1c2dd6661c2b327189b9ffd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FWEH2EG3PMRQWHK5V2ZZPAKALI/bundle.json","state_url":"https://pith.science/pith/FWEH2EG3PMRQWHK5V2ZZPAKALI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FWEH2EG3PMRQWHK5V2ZZPAKALI/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":"2026-08-17T15:08:02Z","links":{"resolver":"https://pith.science/pith/FWEH2EG3PMRQWHK5V2ZZPAKALI","bundle":"https://pith.science/pith/FWEH2EG3PMRQWHK5V2ZZPAKALI/bundle.json","state":"https://pith.science/pith/FWEH2EG3PMRQWHK5V2ZZPAKALI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FWEH2EG3PMRQWHK5V2ZZPAKALI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:FWEH2EG3PMRQWHK5V2ZZPAKALI","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":"d0df4554a80c00f3a61dedfb26d38da4baa8293184345e38d6b5cfafcf9fb315","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2022-05-29T05:42:14Z","title_canon_sha256":"593d23d7095a0f71f3cde59e5f361748789a156c31998347b50f052993eba2cb"},"schema_version":"1.0","source":{"id":"2205.14574","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.14574","created_at":"2026-07-05T04:27:18Z"},{"alias_kind":"arxiv_version","alias_value":"2205.14574v1","created_at":"2026-07-05T04:27:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.14574","created_at":"2026-07-05T04:27:18Z"},{"alias_kind":"pith_short_12","alias_value":"FWEH2EG3PMRQ","created_at":"2026-07-05T04:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"FWEH2EG3PMRQWHK5","created_at":"2026-07-05T04:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"FWEH2EG3","created_at":"2026-07-05T04:27:18Z"}],"graph_snapshots":[{"event_id":"sha256:3deafac26bedcd96d6e5ad3c118fad0676a91e3ef1c2dd6661c2b327189b9ffd","target":"graph","created_at":"2026-07-05T04:27:18Z","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/2205.14574/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Existing adherent raindrop removal methods focus on the detection of the raindrop locations, and then use inpainting techniques or generative networks to recover the background behind raindrops. Yet, as adherent raindrops are diverse in sizes and appearances, the detection is challenging for both single image and video. Moreover, unlike rain streaks, adherent raindrops tend to cover the same area in several frames. Addressing these problems, our method employs a two-stage video-based raindrop removal method. The first stage is the single image module, which generates initial clean results. The","authors_text":"Lu Xu, Robby T. Tan, Wending Yan, Wenhan Yang","cross_cats":["cs.AI"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2022-05-29T05:42:14Z","title":"Feature-Aligned Video Raindrop Removal with Temporal Constraints"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.14574","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":"sha256:0b0cf9e99432272b5699090f1386a1a3235490d61e5f84a1a97f8820dbffc3fa","target":"record","created_at":"2026-07-05T04:27:18Z","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":"d0df4554a80c00f3a61dedfb26d38da4baa8293184345e38d6b5cfafcf9fb315","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2022-05-29T05:42:14Z","title_canon_sha256":"593d23d7095a0f71f3cde59e5f361748789a156c31998347b50f052993eba2cb"},"schema_version":"1.0","source":{"id":"2205.14574","kind":"arxiv","version":1}},"canonical_sha256":"2d887d10db7b230b1d5daeb39781405a1e7e4db0eb71df9d543ab6be66451917","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2d887d10db7b230b1d5daeb39781405a1e7e4db0eb71df9d543ab6be66451917","first_computed_at":"2026-07-05T04:27:18.906418Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:27:18.906418Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZIETlXvaQQ/lMxfTYk6uNH4rVvHMus2fuoQ2U3hKHthOyixfm5JB8TeOs0sNHZmfMDv/m1QJUVcp3Wcv9LoxDw==","signature_status":"signed_v1","signed_at":"2026-07-05T04:27:18.906877Z","signed_message":"canonical_sha256_bytes"},"source_id":"2205.14574","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0b0cf9e99432272b5699090f1386a1a3235490d61e5f84a1a97f8820dbffc3fa","sha256:3deafac26bedcd96d6e5ad3c118fad0676a91e3ef1c2dd6661c2b327189b9ffd"],"state_sha256":"8394f84524c7fe8bb14e8d6eb4094284051b83dee479ff9c0dc381efd695c98a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vRYBqm/QwMpb+jNixHrKzsODNjyPy5z/wGMy7y+IPBa1lg5oMSFNLA+IMg/Sz2h+nhkpwXPqxFUipuyT124wCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T15:08:02.940966Z","bundle_sha256":"6aee96b29e7639b24011fbd82b5a9109be6f268a179fa378e419e418b3d09890"}}