{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:RZ563FWWUD45663TCNC3UMNY7R","short_pith_number":"pith:RZ563FWW","canonical_record":{"source":{"id":"1608.01505","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2016-08-04T11:54:37Z","cross_cats_sorted":[],"title_canon_sha256":"64f5eb928795db9828953450bc10a9fe69f4b9c0d9ae779e1ac0df66a4e27b7f","abstract_canon_sha256":"59f8208dbb2ddfdb7971a6f760712f666970f20da450816b5dd8a1cef23cfbe3"},"schema_version":"1.0"},"canonical_sha256":"8e7bed96d6a0f9df7b731345ba31b8fc4fbcced87e8d46a2d62f6014c5e31054","source":{"kind":"arxiv","id":"1608.01505","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.01505","created_at":"2026-05-18T01:09:52Z"},{"alias_kind":"arxiv_version","alias_value":"1608.01505v1","created_at":"2026-05-18T01:09:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.01505","created_at":"2026-05-18T01:09:52Z"},{"alias_kind":"pith_short_12","alias_value":"RZ563FWWUD45","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_16","alias_value":"RZ563FWWUD45663T","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_8","alias_value":"RZ563FWW","created_at":"2026-05-18T12:30:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:RZ563FWWUD45663TCNC3UMNY7R","target":"record","payload":{"canonical_record":{"source":{"id":"1608.01505","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2016-08-04T11:54:37Z","cross_cats_sorted":[],"title_canon_sha256":"64f5eb928795db9828953450bc10a9fe69f4b9c0d9ae779e1ac0df66a4e27b7f","abstract_canon_sha256":"59f8208dbb2ddfdb7971a6f760712f666970f20da450816b5dd8a1cef23cfbe3"},"schema_version":"1.0"},"canonical_sha256":"8e7bed96d6a0f9df7b731345ba31b8fc4fbcced87e8d46a2d62f6014c5e31054","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:09:52.276599Z","signature_b64":"41Z4MuaoeipXKB7t9yACLwfhgonzUJrZIpWpQ3ZHUxagN4D9yn2xTs19Ya3TSOB+LYbM4DjSzMrN3Q+0wvuWDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8e7bed96d6a0f9df7b731345ba31b8fc4fbcced87e8d46a2d62f6014c5e31054","last_reissued_at":"2026-05-18T01:09:52.275975Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:09:52.275975Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1608.01505","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":"2026-05-18T01:09:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7Z1QPuWXGRoaa6h/XZ4iBlEaEnzxRuDqfL9TbuF6mL22UUuJwelI1SLxtm/7CCT9GH8CVQnR0Ff+hM0ZU8/MAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T04:05:10.105602Z"},"content_sha256":"99c57946ae37fe34243980e6cf56aadd9a442570aaed5c819f228114be223ac2","schema_version":"1.0","event_id":"sha256:99c57946ae37fe34243980e6cf56aadd9a442570aaed5c819f228114be223ac2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:RZ563FWWUD45663TCNC3UMNY7R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Recoding Color Transfer as a Color Homography","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Graham D. Finlayson, Han Gong, Robert B. Fisher","submitted_at":"2016-08-04T11:54:37Z","abstract_excerpt":"Color transfer is an image editing process that adjusts the colors of a picture to match a target picture's color theme. A natural color transfer not only matches the color styles but also prevents after-transfer artifacts due to image compression, noise, and gradient smoothness change. The recently discovered color homography theorem proves that colors across a change in photometric viewing condition are related by a homography. In this paper, we propose a color-homography-based color transfer decomposition which encodes color transfer as a combination of chromaticity shift and shading adjust"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.01505","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":""},"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":"2026-05-18T01:09:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4bMZgiSUlUJwMHdOlQw8+SZWSRkoxAg5kRf3QIFZYbAJDPl4ySuPZR+CrYapJah1xtNmX9wIufIHUNK7Rod1Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T04:05:10.105950Z"},"content_sha256":"776b748a41c3b80c14cadb3f2c9f39351bcb0d0dd684ccb205db6cb96ba6b61d","schema_version":"1.0","event_id":"sha256:776b748a41c3b80c14cadb3f2c9f39351bcb0d0dd684ccb205db6cb96ba6b61d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RZ563FWWUD45663TCNC3UMNY7R/bundle.json","state_url":"https://pith.science/pith/RZ563FWWUD45663TCNC3UMNY7R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RZ563FWWUD45663TCNC3UMNY7R/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":"2026-06-20T04:05:10Z","links":{"resolver":"https://pith.science/pith/RZ563FWWUD45663TCNC3UMNY7R","bundle":"https://pith.science/pith/RZ563FWWUD45663TCNC3UMNY7R/bundle.json","state":"https://pith.science/pith/RZ563FWWUD45663TCNC3UMNY7R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RZ563FWWUD45663TCNC3UMNY7R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:RZ563FWWUD45663TCNC3UMNY7R","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":"59f8208dbb2ddfdb7971a6f760712f666970f20da450816b5dd8a1cef23cfbe3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2016-08-04T11:54:37Z","title_canon_sha256":"64f5eb928795db9828953450bc10a9fe69f4b9c0d9ae779e1ac0df66a4e27b7f"},"schema_version":"1.0","source":{"id":"1608.01505","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.01505","created_at":"2026-05-18T01:09:52Z"},{"alias_kind":"arxiv_version","alias_value":"1608.01505v1","created_at":"2026-05-18T01:09:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.01505","created_at":"2026-05-18T01:09:52Z"},{"alias_kind":"pith_short_12","alias_value":"RZ563FWWUD45","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_16","alias_value":"RZ563FWWUD45663T","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_8","alias_value":"RZ563FWW","created_at":"2026-05-18T12:30:41Z"}],"graph_snapshots":[{"event_id":"sha256:776b748a41c3b80c14cadb3f2c9f39351bcb0d0dd684ccb205db6cb96ba6b61d","target":"graph","created_at":"2026-05-18T01:09:52Z","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"},"paper":{"abstract_excerpt":"Color transfer is an image editing process that adjusts the colors of a picture to match a target picture's color theme. A natural color transfer not only matches the color styles but also prevents after-transfer artifacts due to image compression, noise, and gradient smoothness change. The recently discovered color homography theorem proves that colors across a change in photometric viewing condition are related by a homography. In this paper, we propose a color-homography-based color transfer decomposition which encodes color transfer as a combination of chromaticity shift and shading adjust","authors_text":"Graham D. Finlayson, Han Gong, Robert B. Fisher","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2016-08-04T11:54:37Z","title":"Recoding Color Transfer as a Color Homography"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.01505","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":"sha256:99c57946ae37fe34243980e6cf56aadd9a442570aaed5c819f228114be223ac2","target":"record","created_at":"2026-05-18T01:09:52Z","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":"59f8208dbb2ddfdb7971a6f760712f666970f20da450816b5dd8a1cef23cfbe3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2016-08-04T11:54:37Z","title_canon_sha256":"64f5eb928795db9828953450bc10a9fe69f4b9c0d9ae779e1ac0df66a4e27b7f"},"schema_version":"1.0","source":{"id":"1608.01505","kind":"arxiv","version":1}},"canonical_sha256":"8e7bed96d6a0f9df7b731345ba31b8fc4fbcced87e8d46a2d62f6014c5e31054","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8e7bed96d6a0f9df7b731345ba31b8fc4fbcced87e8d46a2d62f6014c5e31054","first_computed_at":"2026-05-18T01:09:52.275975Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:09:52.275975Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"41Z4MuaoeipXKB7t9yACLwfhgonzUJrZIpWpQ3ZHUxagN4D9yn2xTs19Ya3TSOB+LYbM4DjSzMrN3Q+0wvuWDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:09:52.276599Z","signed_message":"canonical_sha256_bytes"},"source_id":"1608.01505","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:99c57946ae37fe34243980e6cf56aadd9a442570aaed5c819f228114be223ac2","sha256:776b748a41c3b80c14cadb3f2c9f39351bcb0d0dd684ccb205db6cb96ba6b61d"],"state_sha256":"cf2d08d0785a6b2e2bccf903bb65a4daaf371f173d607670ff856739094b6891"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7SRRpV04IV3XYYMZoEP8chB2x5h0tzw7m1cvmnbZ57S6urdau28b7BcqyvIZH33WpDVusaFkmT5X4O0r4pA4Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T04:05:10.107933Z","bundle_sha256":"ed5735cc5b80a3200da6957a854b6a708941f0acfc59e301bc9e40fe70503a06"}}