{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:26W4V3IZB5T3Q7NZ4OUJPQ2ARR","short_pith_number":"pith:26W4V3IZ","canonical_record":{"source":{"id":"2207.14273","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-07-28T17:53:46Z","cross_cats_sorted":[],"title_canon_sha256":"7a0213528aae7323e1dd3ef3228abe369035748a64ea6e175f238447fa84548a","abstract_canon_sha256":"5db329932a10bb5cb1ff5dd357faaeacf326ccea8e9783f27e4f9f1afddda21a"},"schema_version":"1.0"},"canonical_sha256":"d7adcaed190f67b87db9e3a897c3408c7792399254bc4724c65688a870c98ede","source":{"kind":"arxiv","id":"2207.14273","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.14273","created_at":"2026-06-23T01:11:51Z"},{"alias_kind":"arxiv_version","alias_value":"2207.14273v2","created_at":"2026-06-23T01:11:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.14273","created_at":"2026-06-23T01:11:51Z"},{"alias_kind":"pith_short_12","alias_value":"26W4V3IZB5T3","created_at":"2026-06-23T01:11:51Z"},{"alias_kind":"pith_short_16","alias_value":"26W4V3IZB5T3Q7NZ","created_at":"2026-06-23T01:11:51Z"},{"alias_kind":"pith_short_8","alias_value":"26W4V3IZ","created_at":"2026-06-23T01:11:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:26W4V3IZB5T3Q7NZ4OUJPQ2ARR","target":"record","payload":{"canonical_record":{"source":{"id":"2207.14273","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-07-28T17:53:46Z","cross_cats_sorted":[],"title_canon_sha256":"7a0213528aae7323e1dd3ef3228abe369035748a64ea6e175f238447fa84548a","abstract_canon_sha256":"5db329932a10bb5cb1ff5dd357faaeacf326ccea8e9783f27e4f9f1afddda21a"},"schema_version":"1.0"},"canonical_sha256":"d7adcaed190f67b87db9e3a897c3408c7792399254bc4724c65688a870c98ede","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-23T01:11:51.641131Z","signature_b64":"oE4G0806uF3ZYs7NYxOkwaVdrw7lCXRjcGAkYQWnW3cyHvukDPhc7skEQ+bMpnzKp7d5go/Vw2yuMeRkxE5EBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d7adcaed190f67b87db9e3a897c3408c7792399254bc4724c65688a870c98ede","last_reissued_at":"2026-06-23T01:11:51.640542Z","signature_status":"signed_v1","first_computed_at":"2026-06-23T01:11:51.640542Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2207.14273","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-23T01:11:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wKbsBRh4kzxT82kUKgnBXqPzpuW/5gLgNX8OnjL9gChF/auV/i78H9Cy3JLZitziLPq05u+JeKugh/Y6LrzcBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T00:27:43.234689Z"},"content_sha256":"7c62c8f35e8460c6a6a04e67d553f3edced7bd6677d64c95e994f159a4109d15","schema_version":"1.0","event_id":"sha256:7c62c8f35e8460c6a6a04e67d553f3edced7bd6677d64c95e994f159a4109d15"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:26W4V3IZB5T3Q7NZ4OUJPQ2ARR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"CuDi: Curve Distillation for Efficient and Controllable Exposure Adjustment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Chen Change Loy, Chongyi Li, Chunle Guo, Ruicheng Feng, Shangchen Zhou","submitted_at":"2022-07-28T17:53:46Z","abstract_excerpt":"We present Curve Distillation, CuDi, for efficient and controllable exposure adjustment without the requirement of paired or unpaired data during training. Our method inherits the zero-reference learning and curve-based framework from an effective low-light image enhancement method, Zero-DCE, with further speed up in its inference speed, reduction in its model size, and extension to controllable exposure adjustment. The improved inference speed and lightweight model are achieved through novel curve distillation that approximates the time-consuming iterative operation in the conventional curve-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.14273","kind":"arxiv","version":2},"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/2207.14273/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":"2026-06-23T01:11:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9THdFK9m/jMcnpb+IQjY38RAHFnGWPIoMizYr8hbCgBfnRcxVL8Xxv0b6MdWfGfRlK5LCZboai49lsxkwa/xDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T00:27:43.235226Z"},"content_sha256":"0ab1f63978abaab675e26f0b989112792a7df1b800d5206bceb2b930e3824ffd","schema_version":"1.0","event_id":"sha256:0ab1f63978abaab675e26f0b989112792a7df1b800d5206bceb2b930e3824ffd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/26W4V3IZB5T3Q7NZ4OUJPQ2ARR/bundle.json","state_url":"https://pith.science/pith/26W4V3IZB5T3Q7NZ4OUJPQ2ARR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/26W4V3IZB5T3Q7NZ4OUJPQ2ARR/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":"2026-08-10T00:27:43Z","links":{"resolver":"https://pith.science/pith/26W4V3IZB5T3Q7NZ4OUJPQ2ARR","bundle":"https://pith.science/pith/26W4V3IZB5T3Q7NZ4OUJPQ2ARR/bundle.json","state":"https://pith.science/pith/26W4V3IZB5T3Q7NZ4OUJPQ2ARR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/26W4V3IZB5T3Q7NZ4OUJPQ2ARR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:26W4V3IZB5T3Q7NZ4OUJPQ2ARR","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":"5db329932a10bb5cb1ff5dd357faaeacf326ccea8e9783f27e4f9f1afddda21a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-07-28T17:53:46Z","title_canon_sha256":"7a0213528aae7323e1dd3ef3228abe369035748a64ea6e175f238447fa84548a"},"schema_version":"1.0","source":{"id":"2207.14273","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.14273","created_at":"2026-06-23T01:11:51Z"},{"alias_kind":"arxiv_version","alias_value":"2207.14273v2","created_at":"2026-06-23T01:11:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.14273","created_at":"2026-06-23T01:11:51Z"},{"alias_kind":"pith_short_12","alias_value":"26W4V3IZB5T3","created_at":"2026-06-23T01:11:51Z"},{"alias_kind":"pith_short_16","alias_value":"26W4V3IZB5T3Q7NZ","created_at":"2026-06-23T01:11:51Z"},{"alias_kind":"pith_short_8","alias_value":"26W4V3IZ","created_at":"2026-06-23T01:11:51Z"}],"graph_snapshots":[{"event_id":"sha256:0ab1f63978abaab675e26f0b989112792a7df1b800d5206bceb2b930e3824ffd","target":"graph","created_at":"2026-06-23T01:11:51Z","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/2207.14273/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present Curve Distillation, CuDi, for efficient and controllable exposure adjustment without the requirement of paired or unpaired data during training. Our method inherits the zero-reference learning and curve-based framework from an effective low-light image enhancement method, Zero-DCE, with further speed up in its inference speed, reduction in its model size, and extension to controllable exposure adjustment. The improved inference speed and lightweight model are achieved through novel curve distillation that approximates the time-consuming iterative operation in the conventional curve-","authors_text":"Chen Change Loy, Chongyi Li, Chunle Guo, Ruicheng Feng, Shangchen Zhou","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-07-28T17:53:46Z","title":"CuDi: Curve Distillation for Efficient and Controllable Exposure Adjustment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.14273","kind":"arxiv","version":2},"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":"sha256:7c62c8f35e8460c6a6a04e67d553f3edced7bd6677d64c95e994f159a4109d15","target":"record","created_at":"2026-06-23T01:11:51Z","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":"5db329932a10bb5cb1ff5dd357faaeacf326ccea8e9783f27e4f9f1afddda21a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-07-28T17:53:46Z","title_canon_sha256":"7a0213528aae7323e1dd3ef3228abe369035748a64ea6e175f238447fa84548a"},"schema_version":"1.0","source":{"id":"2207.14273","kind":"arxiv","version":2}},"canonical_sha256":"d7adcaed190f67b87db9e3a897c3408c7792399254bc4724c65688a870c98ede","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d7adcaed190f67b87db9e3a897c3408c7792399254bc4724c65688a870c98ede","first_computed_at":"2026-06-23T01:11:51.640542Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-23T01:11:51.640542Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oE4G0806uF3ZYs7NYxOkwaVdrw7lCXRjcGAkYQWnW3cyHvukDPhc7skEQ+bMpnzKp7d5go/Vw2yuMeRkxE5EBg==","signature_status":"signed_v1","signed_at":"2026-06-23T01:11:51.641131Z","signed_message":"canonical_sha256_bytes"},"source_id":"2207.14273","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7c62c8f35e8460c6a6a04e67d553f3edced7bd6677d64c95e994f159a4109d15","sha256:0ab1f63978abaab675e26f0b989112792a7df1b800d5206bceb2b930e3824ffd"],"state_sha256":"5a99e4c820e99ee57669a5a23fcad2e1990581035b4912907eb13d76f0a591f0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"25hg5ykMkV0tj1j3bAeVecibDUfwrqaIafdTv3W51Q7U17kxpy7vnNpGnYUKrACJIE89j1zA3wjHb6qSApxpCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T00:27:43.240343Z","bundle_sha256":"c54720ba451eadfd97ed117fae17b213bb8216dca7f9b4a2d6173c1368d127df"}}