{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:EYWQV6D3LMKFQEPH54HY6UHDVW","short_pith_number":"pith:EYWQV6D3","canonical_record":{"source":{"id":"2211.03885","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-11-07T22:13:10Z","cross_cats_sorted":["eess.IV"],"title_canon_sha256":"a593c0b9d1f6c0a764c17a43e6352f1ebdd20e178959a3c8fab7be02b6788282","abstract_canon_sha256":"6bff1eb3dd13ca657856679ee0952e86973231de02be4ee131aafe180b15b966"},"schema_version":"1.0"},"canonical_sha256":"262d0af87b5b145811e7ef0f8f50e3adac8047c92072f638ce274c3c9faa2824","source":{"kind":"arxiv","id":"2211.03885","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2211.03885","created_at":"2026-07-05T05:14:26Z"},{"alias_kind":"arxiv_version","alias_value":"2211.03885v1","created_at":"2026-07-05T05:14:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.03885","created_at":"2026-07-05T05:14:26Z"},{"alias_kind":"pith_short_12","alias_value":"EYWQV6D3LMKF","created_at":"2026-07-05T05:14:26Z"},{"alias_kind":"pith_short_16","alias_value":"EYWQV6D3LMKFQEPH","created_at":"2026-07-05T05:14:26Z"},{"alias_kind":"pith_short_8","alias_value":"EYWQV6D3","created_at":"2026-07-05T05:14:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:EYWQV6D3LMKFQEPH54HY6UHDVW","target":"record","payload":{"canonical_record":{"source":{"id":"2211.03885","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-11-07T22:13:10Z","cross_cats_sorted":["eess.IV"],"title_canon_sha256":"a593c0b9d1f6c0a764c17a43e6352f1ebdd20e178959a3c8fab7be02b6788282","abstract_canon_sha256":"6bff1eb3dd13ca657856679ee0952e86973231de02be4ee131aafe180b15b966"},"schema_version":"1.0"},"canonical_sha256":"262d0af87b5b145811e7ef0f8f50e3adac8047c92072f638ce274c3c9faa2824","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:14:26.848354Z","signature_b64":"ItzyeRzdhIXA93CrMRsZSOM3sJnZ1OqfKE50gW1h6s0Yc5gbB+5dPm147WoZKZdV9XwaFtStYUZMX6Dhayp9Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"262d0af87b5b145811e7ef0f8f50e3adac8047c92072f638ce274c3c9faa2824","last_reissued_at":"2026-07-05T05:14:26.847764Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:14:26.847764Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2211.03885","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":"2026-07-05T05:14:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A586WTPmIr7WqeSdYn91UNuMDNTiRVeiDdB+NRQPXEKn7xwtZXW4iBmar85cRb5KoYp3Nrj5zAryyqb1e5fmDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T00:55:18.898790Z"},"content_sha256":"1efb1f5d0538ddfd33d4bc5f99a76919959829bb2ba6b6221f115b67a0adfaff","schema_version":"1.0","event_id":"sha256:1efb1f5d0538ddfd33d4bc5f99a76919959829bb2ba6b6221f115b67a0adfaff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:EYWQV6D3LMKFQEPH54HY6UHDVW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Learned Smartphone ISP on Mobile GPUs with Deep Learning, Mobile AI & AIM 2022 Challenge: Report","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.IV"],"primary_cat":"cs.CV","authors_text":"Albert No, Andrey Ignatov, Chaoyu Feng, Cong Pang, Dehui Kong, Egor Ershov, Feng Zhang, Furui Bai, Georgy Perevozchikov, Haina Qin, Jiesi Zheng, Juan Wang, Keming Shi, Ke Xu, Lei Lei, Marcos V. Conde, Mengchuan Dong, Mingxuan Cai, Minhyeok Cho, Minsu Kwon, Radu Timofte, Ran Li, Shaoqing Li, Shuai Liu, Ui-Jin Choi, Wei Zhou, Xiaotao Wang, Xiaze Zhang, Xin Lou, Xun Wu, Yan Xiang, Yaqi Wu, Zewen Chen, Zheng Hui, Zhihao Fan, Zhiming Wang, Zibin Liu, Ziyao Yi","submitted_at":"2022-11-07T22:13:10Z","abstract_excerpt":"The role of mobile cameras increased dramatically over the past few years, leading to more and more research in automatic image quality enhancement and RAW photo processing. In this Mobile AI challenge, the target was to develop an efficient end-to-end AI-based image signal processing (ISP) pipeline replacing the standard mobile ISPs that can run on modern smartphone GPUs using TensorFlow Lite. The participants were provided with a large-scale Fujifilm UltraISP dataset consisting of thousands of paired photos captured with a normal mobile camera sensor and a professional 102MP medium-format Fu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.03885","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/2211.03885/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":"2026-07-05T05:14:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"enBIsGcLukk1QDBb/24bq3TOtHIN7ycZYUArOfc6qA9rbdgPk05v3kdSgefq2tVwRVpqD5dTvDmacEKKvesMDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T00:55:18.899289Z"},"content_sha256":"0d128151e1abd07bda30a77911fc0771ebf2a8b6c6e9d61ca0d36d4d52d7972c","schema_version":"1.0","event_id":"sha256:0d128151e1abd07bda30a77911fc0771ebf2a8b6c6e9d61ca0d36d4d52d7972c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EYWQV6D3LMKFQEPH54HY6UHDVW/bundle.json","state_url":"https://pith.science/pith/EYWQV6D3LMKFQEPH54HY6UHDVW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EYWQV6D3LMKFQEPH54HY6UHDVW/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":"2026-08-10T00:55:18Z","links":{"resolver":"https://pith.science/pith/EYWQV6D3LMKFQEPH54HY6UHDVW","bundle":"https://pith.science/pith/EYWQV6D3LMKFQEPH54HY6UHDVW/bundle.json","state":"https://pith.science/pith/EYWQV6D3LMKFQEPH54HY6UHDVW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EYWQV6D3LMKFQEPH54HY6UHDVW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:EYWQV6D3LMKFQEPH54HY6UHDVW","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":"6bff1eb3dd13ca657856679ee0952e86973231de02be4ee131aafe180b15b966","cross_cats_sorted":["eess.IV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-11-07T22:13:10Z","title_canon_sha256":"a593c0b9d1f6c0a764c17a43e6352f1ebdd20e178959a3c8fab7be02b6788282"},"schema_version":"1.0","source":{"id":"2211.03885","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2211.03885","created_at":"2026-07-05T05:14:26Z"},{"alias_kind":"arxiv_version","alias_value":"2211.03885v1","created_at":"2026-07-05T05:14:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.03885","created_at":"2026-07-05T05:14:26Z"},{"alias_kind":"pith_short_12","alias_value":"EYWQV6D3LMKF","created_at":"2026-07-05T05:14:26Z"},{"alias_kind":"pith_short_16","alias_value":"EYWQV6D3LMKFQEPH","created_at":"2026-07-05T05:14:26Z"},{"alias_kind":"pith_short_8","alias_value":"EYWQV6D3","created_at":"2026-07-05T05:14:26Z"}],"graph_snapshots":[{"event_id":"sha256:0d128151e1abd07bda30a77911fc0771ebf2a8b6c6e9d61ca0d36d4d52d7972c","target":"graph","created_at":"2026-07-05T05:14:26Z","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/2211.03885/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The role of mobile cameras increased dramatically over the past few years, leading to more and more research in automatic image quality enhancement and RAW photo processing. In this Mobile AI challenge, the target was to develop an efficient end-to-end AI-based image signal processing (ISP) pipeline replacing the standard mobile ISPs that can run on modern smartphone GPUs using TensorFlow Lite. The participants were provided with a large-scale Fujifilm UltraISP dataset consisting of thousands of paired photos captured with a normal mobile camera sensor and a professional 102MP medium-format Fu","authors_text":"Albert No, Andrey Ignatov, Chaoyu Feng, Cong Pang, Dehui Kong, Egor Ershov, Feng Zhang, Furui Bai, Georgy Perevozchikov, Haina Qin, Jiesi Zheng, Juan Wang, Keming Shi, Ke Xu, Lei Lei, Marcos V. Conde, Mengchuan Dong, Mingxuan Cai, Minhyeok Cho, Minsu Kwon, Radu Timofte, Ran Li, Shaoqing Li, Shuai Liu, Ui-Jin Choi, Wei Zhou, Xiaotao Wang, Xiaze Zhang, Xin Lou, Xun Wu, Yan Xiang, Yaqi Wu, Zewen Chen, Zheng Hui, Zhihao Fan, Zhiming Wang, Zibin Liu, Ziyao Yi","cross_cats":["eess.IV"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-11-07T22:13:10Z","title":"Learned Smartphone ISP on Mobile GPUs with Deep Learning, Mobile AI & AIM 2022 Challenge: Report"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.03885","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":"sha256:1efb1f5d0538ddfd33d4bc5f99a76919959829bb2ba6b6221f115b67a0adfaff","target":"record","created_at":"2026-07-05T05:14:26Z","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":"6bff1eb3dd13ca657856679ee0952e86973231de02be4ee131aafe180b15b966","cross_cats_sorted":["eess.IV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-11-07T22:13:10Z","title_canon_sha256":"a593c0b9d1f6c0a764c17a43e6352f1ebdd20e178959a3c8fab7be02b6788282"},"schema_version":"1.0","source":{"id":"2211.03885","kind":"arxiv","version":1}},"canonical_sha256":"262d0af87b5b145811e7ef0f8f50e3adac8047c92072f638ce274c3c9faa2824","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"262d0af87b5b145811e7ef0f8f50e3adac8047c92072f638ce274c3c9faa2824","first_computed_at":"2026-07-05T05:14:26.847764Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:14:26.847764Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ItzyeRzdhIXA93CrMRsZSOM3sJnZ1OqfKE50gW1h6s0Yc5gbB+5dPm147WoZKZdV9XwaFtStYUZMX6Dhayp9Dw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:14:26.848354Z","signed_message":"canonical_sha256_bytes"},"source_id":"2211.03885","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1efb1f5d0538ddfd33d4bc5f99a76919959829bb2ba6b6221f115b67a0adfaff","sha256:0d128151e1abd07bda30a77911fc0771ebf2a8b6c6e9d61ca0d36d4d52d7972c"],"state_sha256":"2b7e0bda1599a40c3a691dfcc218cdbf9efbda3cae420bc0a6960d2ce66292e7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LZOojT4yDuVNGMZrW5k/OaPDbTZ1KNwyYjfnGgsG2FyJGS1c8fcl9lKwG9PCXvCBXG8PbkX2oaDurNyQXXcvCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T00:55:18.903023Z","bundle_sha256":"4a4bb3953be5376133b8da363f51251a16a1c19ba3bda442ebaef5452679cf8e"}}