{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:B37YTETAXDC7LZU5RU4OD3E6IM","short_pith_number":"pith:B37YTETA","canonical_record":{"source":{"id":"2005.03155","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-05-06T22:05:58Z","cross_cats_sorted":[],"title_canon_sha256":"53dcbd446854d2a2e1b5551f643d7f52dc058e28ce7dc2040868ba9a3f82fb87","abstract_canon_sha256":"7fcb7f65890c7c78b4c7797b9124bebb5cee3d399fb8e2bb28f684efaca48724"},"schema_version":"1.0"},"canonical_sha256":"0eff899260b8c5f5e69d8d38e1ec9e430ba92cb73996e21155c9b88050c22367","source":{"kind":"arxiv","id":"2005.03155","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2005.03155","created_at":"2026-07-05T01:01:05Z"},{"alias_kind":"arxiv_version","alias_value":"2005.03155v1","created_at":"2026-07-05T01:01:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2005.03155","created_at":"2026-07-05T01:01:05Z"},{"alias_kind":"pith_short_12","alias_value":"B37YTETAXDC7","created_at":"2026-07-05T01:01:05Z"},{"alias_kind":"pith_short_16","alias_value":"B37YTETAXDC7LZU5","created_at":"2026-07-05T01:01:05Z"},{"alias_kind":"pith_short_8","alias_value":"B37YTETA","created_at":"2026-07-05T01:01:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:B37YTETAXDC7LZU5RU4OD3E6IM","target":"record","payload":{"canonical_record":{"source":{"id":"2005.03155","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-05-06T22:05:58Z","cross_cats_sorted":[],"title_canon_sha256":"53dcbd446854d2a2e1b5551f643d7f52dc058e28ce7dc2040868ba9a3f82fb87","abstract_canon_sha256":"7fcb7f65890c7c78b4c7797b9124bebb5cee3d399fb8e2bb28f684efaca48724"},"schema_version":"1.0"},"canonical_sha256":"0eff899260b8c5f5e69d8d38e1ec9e430ba92cb73996e21155c9b88050c22367","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:01:05.785459Z","signature_b64":"t1xQEPwnu6wAXMH79w9IHLN8ULUSaReeHaXH9oNP1qtfdAcSkvtvfIRFQn0RPByI5sRk4i9HKO5Q2nDgDbFwBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0eff899260b8c5f5e69d8d38e1ec9e430ba92cb73996e21155c9b88050c22367","last_reissued_at":"2026-07-05T01:01:05.785039Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:01:05.785039Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2005.03155","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":"2026-07-05T01:01:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WFzBQJXbffjsru9zIA+Oe5cmZp3i6fGB3XifdXTBLQA2xQTfR6H5K99cwOzJtucH8YN1ErYxIDdLj8lEMsjzAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T05:32:59.815774Z"},"content_sha256":"43e0d99dc3554bc938fe08ffb3ffa82a9f91d7900f2bc27b0cd257271a7d2c12","schema_version":"1.0","event_id":"sha256:43e0d99dc3554bc938fe08ffb3ffa82a9f91d7900f2bc27b0cd257271a7d2c12"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:B37YTETAXDC7LZU5RU4OD3E6IM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"NTIRE 2020 Challenge on Image Demoireing: Methods and Results","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Ales Leonardis, An Gia Vien, Ashish Sinha, Bolun Zheng, Byungyeon Kang, Chenghua Li, Chul Lee, Cuihua Li, Dejia Xu, Densen Puthussery, Erwan Nogues, Florian Lemarchand, Gregory Slabaugh, Hrishikesh P S, Hyungjoon Nam, Hyunkook Park, Jechang Jeong, Jiangtao Zhang, Jian Yang, Jiji C V, Jisu Kim, Jun Chen, Junwoo Lee, Linhui Dai, Manri Cheon, Maxime Pelcat, Ming Hong, M.Parisa Beham, Nan Nan, Qingyan Sun, Radu Timofte, Sabari Nathan, Sangmin Kim, Shanxin Yuan, Shuai Liu, S Mohamed Mansoor Roomi, Sung-Jun Yoon, Xiaohong Liu, Xiaotong Luo, Xi Cheng, Xuan Zhao, Yanyun Qu, Yihao Chu, Yuan Xie, Zhenyong Fu, Ziyao Zong","submitted_at":"2020-05-06T22:05:58Z","abstract_excerpt":"This paper reviews the Challenge on Image Demoireing that was part of the New Trends in Image Restoration and Enhancement (NTIRE) workshop, held in conjunction with CVPR 2020. Demoireing is a difficult task of removing moire patterns from an image to reveal an underlying clean image. The challenge was divided into two tracks. Track 1 targeted the single image demoireing problem, which seeks to remove moire patterns from a single image. Track 2 focused on the burst demoireing problem, where a set of degraded moire images of the same scene were provided as input, with the goal of producing a sin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2005.03155","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/2005.03155/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":"2026-07-05T01:01:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rAUpYuVRibqQnlUU766FzksZ7OEOjilqgaChM0D6iCIp040HtKaGkrjITjbDGRa+7coaZxZyX+r36HUrcLveDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T05:32:59.816343Z"},"content_sha256":"e2e0597bc099b7d129ccb15f51f4de16f3b3e528d3d1563163c331861ee3cb16","schema_version":"1.0","event_id":"sha256:e2e0597bc099b7d129ccb15f51f4de16f3b3e528d3d1563163c331861ee3cb16"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B37YTETAXDC7LZU5RU4OD3E6IM/bundle.json","state_url":"https://pith.science/pith/B37YTETAXDC7LZU5RU4OD3E6IM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B37YTETAXDC7LZU5RU4OD3E6IM/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":"2026-08-15T05:32:59Z","links":{"resolver":"https://pith.science/pith/B37YTETAXDC7LZU5RU4OD3E6IM","bundle":"https://pith.science/pith/B37YTETAXDC7LZU5RU4OD3E6IM/bundle.json","state":"https://pith.science/pith/B37YTETAXDC7LZU5RU4OD3E6IM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B37YTETAXDC7LZU5RU4OD3E6IM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:B37YTETAXDC7LZU5RU4OD3E6IM","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":"7fcb7f65890c7c78b4c7797b9124bebb5cee3d399fb8e2bb28f684efaca48724","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-05-06T22:05:58Z","title_canon_sha256":"53dcbd446854d2a2e1b5551f643d7f52dc058e28ce7dc2040868ba9a3f82fb87"},"schema_version":"1.0","source":{"id":"2005.03155","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2005.03155","created_at":"2026-07-05T01:01:05Z"},{"alias_kind":"arxiv_version","alias_value":"2005.03155v1","created_at":"2026-07-05T01:01:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2005.03155","created_at":"2026-07-05T01:01:05Z"},{"alias_kind":"pith_short_12","alias_value":"B37YTETAXDC7","created_at":"2026-07-05T01:01:05Z"},{"alias_kind":"pith_short_16","alias_value":"B37YTETAXDC7LZU5","created_at":"2026-07-05T01:01:05Z"},{"alias_kind":"pith_short_8","alias_value":"B37YTETA","created_at":"2026-07-05T01:01:05Z"}],"graph_snapshots":[{"event_id":"sha256:e2e0597bc099b7d129ccb15f51f4de16f3b3e528d3d1563163c331861ee3cb16","target":"graph","created_at":"2026-07-05T01:01:05Z","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/2005.03155/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper reviews the Challenge on Image Demoireing that was part of the New Trends in Image Restoration and Enhancement (NTIRE) workshop, held in conjunction with CVPR 2020. Demoireing is a difficult task of removing moire patterns from an image to reveal an underlying clean image. The challenge was divided into two tracks. Track 1 targeted the single image demoireing problem, which seeks to remove moire patterns from a single image. Track 2 focused on the burst demoireing problem, where a set of degraded moire images of the same scene were provided as input, with the goal of producing a sin","authors_text":"Ales Leonardis, An Gia Vien, Ashish Sinha, Bolun Zheng, Byungyeon Kang, Chenghua Li, Chul Lee, Cuihua Li, Dejia Xu, Densen Puthussery, Erwan Nogues, Florian Lemarchand, Gregory Slabaugh, Hrishikesh P S, Hyungjoon Nam, Hyunkook Park, Jechang Jeong, Jiangtao Zhang, Jian Yang, Jiji C V, Jisu Kim, Jun Chen, Junwoo Lee, Linhui Dai, Manri Cheon, Maxime Pelcat, Ming Hong, M.Parisa Beham, Nan Nan, Qingyan Sun, Radu Timofte, Sabari Nathan, Sangmin Kim, Shanxin Yuan, Shuai Liu, S Mohamed Mansoor Roomi, Sung-Jun Yoon, Xiaohong Liu, Xiaotong Luo, Xi Cheng, Xuan Zhao, Yanyun Qu, Yihao Chu, Yuan Xie, Zhenyong Fu, Ziyao Zong","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-05-06T22:05:58Z","title":"NTIRE 2020 Challenge on Image Demoireing: Methods and Results"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2005.03155","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":"sha256:43e0d99dc3554bc938fe08ffb3ffa82a9f91d7900f2bc27b0cd257271a7d2c12","target":"record","created_at":"2026-07-05T01:01:05Z","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":"7fcb7f65890c7c78b4c7797b9124bebb5cee3d399fb8e2bb28f684efaca48724","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-05-06T22:05:58Z","title_canon_sha256":"53dcbd446854d2a2e1b5551f643d7f52dc058e28ce7dc2040868ba9a3f82fb87"},"schema_version":"1.0","source":{"id":"2005.03155","kind":"arxiv","version":1}},"canonical_sha256":"0eff899260b8c5f5e69d8d38e1ec9e430ba92cb73996e21155c9b88050c22367","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0eff899260b8c5f5e69d8d38e1ec9e430ba92cb73996e21155c9b88050c22367","first_computed_at":"2026-07-05T01:01:05.785039Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:01:05.785039Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"t1xQEPwnu6wAXMH79w9IHLN8ULUSaReeHaXH9oNP1qtfdAcSkvtvfIRFQn0RPByI5sRk4i9HKO5Q2nDgDbFwBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:01:05.785459Z","signed_message":"canonical_sha256_bytes"},"source_id":"2005.03155","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:43e0d99dc3554bc938fe08ffb3ffa82a9f91d7900f2bc27b0cd257271a7d2c12","sha256:e2e0597bc099b7d129ccb15f51f4de16f3b3e528d3d1563163c331861ee3cb16"],"state_sha256":"745ac4eafb4dab0958030977db5570870764c5316551e7623ab6e8425db58af7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sQjsAg9agDt9UcNwxo979lhzHvIWeE2EzBj3EfYKf1eEBEsJi5Ht13qlwLEYCWhErH84zG9Lm8+eSi/OSFYjBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T05:32:59.821714Z","bundle_sha256":"083f9b45e485575b1f79e9309a08c8ca11f4db6cee06a105824f08756c00bd15"}}