{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:KUWRCOKT25LODMBHQXBJI6GM55","short_pith_number":"pith:KUWRCOKT","canonical_record":{"source":{"id":"2208.14113","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2022-08-30T09:57:32Z","cross_cats_sorted":[],"title_canon_sha256":"c7ac10c11c34b82d53446f891c86a80032bd6acac2e0aaaad5ddbd07780c6602","abstract_canon_sha256":"097e2eca5527026ee26f6d7d69ef6832a9c3c05a9b74088be0d0e05d52cc0098"},"schema_version":"1.0"},"canonical_sha256":"552d113953d756e1b02785c29478ccef4ea38eb3b698c1fdb4b3d0007b6d089d","source":{"kind":"arxiv","id":"2208.14113","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.14113","created_at":"2026-07-05T09:32:38Z"},{"alias_kind":"arxiv_version","alias_value":"2208.14113v1","created_at":"2026-07-05T09:32:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.14113","created_at":"2026-07-05T09:32:38Z"},{"alias_kind":"pith_short_12","alias_value":"KUWRCOKT25LO","created_at":"2026-07-05T09:32:38Z"},{"alias_kind":"pith_short_16","alias_value":"KUWRCOKT25LODMBH","created_at":"2026-07-05T09:32:38Z"},{"alias_kind":"pith_short_8","alias_value":"KUWRCOKT","created_at":"2026-07-05T09:32:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:KUWRCOKT25LODMBHQXBJI6GM55","target":"record","payload":{"canonical_record":{"source":{"id":"2208.14113","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2022-08-30T09:57:32Z","cross_cats_sorted":[],"title_canon_sha256":"c7ac10c11c34b82d53446f891c86a80032bd6acac2e0aaaad5ddbd07780c6602","abstract_canon_sha256":"097e2eca5527026ee26f6d7d69ef6832a9c3c05a9b74088be0d0e05d52cc0098"},"schema_version":"1.0"},"canonical_sha256":"552d113953d756e1b02785c29478ccef4ea38eb3b698c1fdb4b3d0007b6d089d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:32:38.639206Z","signature_b64":"ide11j7x32LPo8RbCV1JiwMci6qlGIi4W9q+tihdbWMe5qDg4ztqVUX5VbyfC9YzgrB27IYPTFQFYaJnItW/Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"552d113953d756e1b02785c29478ccef4ea38eb3b698c1fdb4b3d0007b6d089d","last_reissued_at":"2026-07-05T09:32:38.638695Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:32:38.638695Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2208.14113","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":"2026-07-05T09:32:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a92thKkhs8g7lrFJdw0NLgETWWXztfvGfru+U4A1o6aTnHt5VNSFE1QpniSz3LktIWJ+im1yEWReOPFDsp7OAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T09:24:49.889176Z"},"content_sha256":"b92d7f09b6e9ef6af49fa298e686db3f07d1d4ce7adf1b7ce44ef1214987bb93","schema_version":"1.0","event_id":"sha256:b92d7f09b6e9ef6af49fa298e686db3f07d1d4ce7adf1b7ce44ef1214987bb93"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:KUWRCOKT25LODMBHQXBJI6GM55","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"G-SemTMO: Tone Mapping with a Trainable Semantic Graph","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"eess.IV","authors_text":"Abhishek Goswami, Erwan Bernard, Frederic Dufaux, Rafal Mantiuk, Wolf Hauser","submitted_at":"2022-08-30T09:57:32Z","abstract_excerpt":"A Tone Mapping Operator (TMO) is required to render images with a High Dynamic Range (HDR) on media with limited dynamic capabilities. TMOs compress the dynamic range with the aim of preserving the visually perceptual cues of the scene. Previous literature has established the benefits of TMOs being semantic aware, understanding the content in the scene to preserve the cues better. Expert photographers analyze the semantic and the contextual information of a scene and decide tonal transformations or local luminance adjustments. This process can be considered a manual analogy to tone mapping. In"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.14113","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/2208.14113/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":"2026-07-05T09:32:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qwc9+Bwmdkr0k9vBUPEz5JfDoff6nwXomgFYUrngN0QVlVyApTZKAjbddi5KZuFAV+Kcedtg8Zty5dDVCjNrBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T09:24:49.890166Z"},"content_sha256":"c25f38ba706c8a5bfde9b47cacf34e03102f8dff8f78f04c14098675caf2792d","schema_version":"1.0","event_id":"sha256:c25f38ba706c8a5bfde9b47cacf34e03102f8dff8f78f04c14098675caf2792d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KUWRCOKT25LODMBHQXBJI6GM55/bundle.json","state_url":"https://pith.science/pith/KUWRCOKT25LODMBHQXBJI6GM55/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KUWRCOKT25LODMBHQXBJI6GM55/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":"2026-08-14T09:24:49Z","links":{"resolver":"https://pith.science/pith/KUWRCOKT25LODMBHQXBJI6GM55","bundle":"https://pith.science/pith/KUWRCOKT25LODMBHQXBJI6GM55/bundle.json","state":"https://pith.science/pith/KUWRCOKT25LODMBHQXBJI6GM55/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KUWRCOKT25LODMBHQXBJI6GM55/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:KUWRCOKT25LODMBHQXBJI6GM55","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":"097e2eca5527026ee26f6d7d69ef6832a9c3c05a9b74088be0d0e05d52cc0098","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2022-08-30T09:57:32Z","title_canon_sha256":"c7ac10c11c34b82d53446f891c86a80032bd6acac2e0aaaad5ddbd07780c6602"},"schema_version":"1.0","source":{"id":"2208.14113","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.14113","created_at":"2026-07-05T09:32:38Z"},{"alias_kind":"arxiv_version","alias_value":"2208.14113v1","created_at":"2026-07-05T09:32:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.14113","created_at":"2026-07-05T09:32:38Z"},{"alias_kind":"pith_short_12","alias_value":"KUWRCOKT25LO","created_at":"2026-07-05T09:32:38Z"},{"alias_kind":"pith_short_16","alias_value":"KUWRCOKT25LODMBH","created_at":"2026-07-05T09:32:38Z"},{"alias_kind":"pith_short_8","alias_value":"KUWRCOKT","created_at":"2026-07-05T09:32:38Z"}],"graph_snapshots":[{"event_id":"sha256:c25f38ba706c8a5bfde9b47cacf34e03102f8dff8f78f04c14098675caf2792d","target":"graph","created_at":"2026-07-05T09:32:38Z","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/2208.14113/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A Tone Mapping Operator (TMO) is required to render images with a High Dynamic Range (HDR) on media with limited dynamic capabilities. TMOs compress the dynamic range with the aim of preserving the visually perceptual cues of the scene. Previous literature has established the benefits of TMOs being semantic aware, understanding the content in the scene to preserve the cues better. Expert photographers analyze the semantic and the contextual information of a scene and decide tonal transformations or local luminance adjustments. This process can be considered a manual analogy to tone mapping. In","authors_text":"Abhishek Goswami, Erwan Bernard, Frederic Dufaux, Rafal Mantiuk, Wolf Hauser","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2022-08-30T09:57:32Z","title":"G-SemTMO: Tone Mapping with a Trainable Semantic Graph"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.14113","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:b92d7f09b6e9ef6af49fa298e686db3f07d1d4ce7adf1b7ce44ef1214987bb93","target":"record","created_at":"2026-07-05T09:32:38Z","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":"097e2eca5527026ee26f6d7d69ef6832a9c3c05a9b74088be0d0e05d52cc0098","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2022-08-30T09:57:32Z","title_canon_sha256":"c7ac10c11c34b82d53446f891c86a80032bd6acac2e0aaaad5ddbd07780c6602"},"schema_version":"1.0","source":{"id":"2208.14113","kind":"arxiv","version":1}},"canonical_sha256":"552d113953d756e1b02785c29478ccef4ea38eb3b698c1fdb4b3d0007b6d089d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"552d113953d756e1b02785c29478ccef4ea38eb3b698c1fdb4b3d0007b6d089d","first_computed_at":"2026-07-05T09:32:38.638695Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:32:38.638695Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ide11j7x32LPo8RbCV1JiwMci6qlGIi4W9q+tihdbWMe5qDg4ztqVUX5VbyfC9YzgrB27IYPTFQFYaJnItW/Bg==","signature_status":"signed_v1","signed_at":"2026-07-05T09:32:38.639206Z","signed_message":"canonical_sha256_bytes"},"source_id":"2208.14113","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b92d7f09b6e9ef6af49fa298e686db3f07d1d4ce7adf1b7ce44ef1214987bb93","sha256:c25f38ba706c8a5bfde9b47cacf34e03102f8dff8f78f04c14098675caf2792d"],"state_sha256":"b294ee166965436c81bbe6c4de56c60d9bf5ad55950e8c30f165e3ecb0c99f06"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ubRRQrrALbOhC2FH+KqO3Ze0pWIqhep4/aJql3huFmBE3uBMNtMw2H1+iSyGTLa9Jgko1Pj5MIkkk0/0388qAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T09:24:49.896568Z","bundle_sha256":"9d544cfe420f1249dba60b8f9a4d30317aac4904f92abc82f8b77fd51c6e96a4"}}