{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:MJ3UVQZEP5IKFWX253IUMTA7XN","short_pith_number":"pith:MJ3UVQZE","canonical_record":{"source":{"id":"2506.22426","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2025-06-27T17:48:21Z","cross_cats_sorted":["cs.CV","cs.GR","eess.SP","physics.optics"],"title_canon_sha256":"44bf1da9a17b985b0037c77fa835ec443fa63c52cbc6af3ef37cd023e83dbf02","abstract_canon_sha256":"e1256b265f46d2c63861792bddd3fa55e88e8006142e782ab52e32d32fd049cc"},"schema_version":"1.0"},"canonical_sha256":"62774ac3247f50a2dafaeed1464c1fbb67903e60b0313895cc55f311fbd5457e","source":{"kind":"arxiv","id":"2506.22426","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.22426","created_at":"2026-07-05T12:11:18Z"},{"alias_kind":"arxiv_version","alias_value":"2506.22426v2","created_at":"2026-07-05T12:11:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.22426","created_at":"2026-07-05T12:11:18Z"},{"alias_kind":"pith_short_12","alias_value":"MJ3UVQZEP5IK","created_at":"2026-07-05T12:11:18Z"},{"alias_kind":"pith_short_16","alias_value":"MJ3UVQZEP5IKFWX2","created_at":"2026-07-05T12:11:18Z"},{"alias_kind":"pith_short_8","alias_value":"MJ3UVQZE","created_at":"2026-07-05T12:11:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:MJ3UVQZEP5IKFWX253IUMTA7XN","target":"record","payload":{"canonical_record":{"source":{"id":"2506.22426","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2025-06-27T17:48:21Z","cross_cats_sorted":["cs.CV","cs.GR","eess.SP","physics.optics"],"title_canon_sha256":"44bf1da9a17b985b0037c77fa835ec443fa63c52cbc6af3ef37cd023e83dbf02","abstract_canon_sha256":"e1256b265f46d2c63861792bddd3fa55e88e8006142e782ab52e32d32fd049cc"},"schema_version":"1.0"},"canonical_sha256":"62774ac3247f50a2dafaeed1464c1fbb67903e60b0313895cc55f311fbd5457e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T12:11:18.767399Z","signature_b64":"VAgtx6Mcr4l6RbDC9bW8us1GGdq1EvCKFuhtZT3fssvPomaicolm7tf/182AH6UTXSFtBS9lZWTscHSqiXxHCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"62774ac3247f50a2dafaeed1464c1fbb67903e60b0313895cc55f311fbd5457e","last_reissued_at":"2026-07-05T12:11:18.766851Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T12:11:18.766851Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.22426","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":"2026-07-05T12:11:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dgV2GIxtQvyihHEKfxZAjTh8PaJqAvvZ2RizAsOxKvI8/FIV+Uf0dBj/LeWBu+felP2xn8cYm3/HI6aYsQuBCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T00:55:38.375423Z"},"content_sha256":"7dfe803464a88e7327ef392d2cd1a7134c47f3233303ea4b66c36c360982a93d","schema_version":"1.0","event_id":"sha256:7dfe803464a88e7327ef392d2cd1a7134c47f3233303ea4b66c36c360982a93d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:MJ3UVQZEP5IKFWX253IUMTA7XN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Single-shot HDR using conventional image sensor shutter functions and optical randomization","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CV","cs.GR","eess.SP","physics.optics"],"primary_cat":"eess.IV","authors_text":"Kristina Monakhova, Kyrollos Yanny, Nicholas Antipa, Xiang Dai","submitted_at":"2025-06-27T17:48:21Z","abstract_excerpt":"High-dynamic-range (HDR) imaging is an essential technique for overcoming the dynamic range limits of image sensors. The classic method relies on multiple exposures, which slows capture time, resulting in motion artifacts when imaging dynamic scenes. Single-shot HDR imaging alleviates this issue by encoding HDR data into a single exposure, then computationally recovering it. Many established methods use strong image priors to recover improperly exposed image detail. These approaches struggle with extended highlight regions. We utilize the global reset release (GRR) shutter mode of an off-the-s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.22426","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/2506.22426/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":"2026-07-05T12:11:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VK0P9epXoouHMDZkRidXzT4PgLsbYpMouGPBeGMSMbeETvvZ3lIwS6r3p68J93LUHwlwGjp+XKYZQUQVPAEYCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T00:55:38.377531Z"},"content_sha256":"f6638c32d99ccb7287ce7f58d696203bceb47fd5446769b5e94758a782bac9b4","schema_version":"1.0","event_id":"sha256:f6638c32d99ccb7287ce7f58d696203bceb47fd5446769b5e94758a782bac9b4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MJ3UVQZEP5IKFWX253IUMTA7XN/bundle.json","state_url":"https://pith.science/pith/MJ3UVQZEP5IKFWX253IUMTA7XN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MJ3UVQZEP5IKFWX253IUMTA7XN/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":"2026-08-10T00:55:38Z","links":{"resolver":"https://pith.science/pith/MJ3UVQZEP5IKFWX253IUMTA7XN","bundle":"https://pith.science/pith/MJ3UVQZEP5IKFWX253IUMTA7XN/bundle.json","state":"https://pith.science/pith/MJ3UVQZEP5IKFWX253IUMTA7XN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MJ3UVQZEP5IKFWX253IUMTA7XN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:MJ3UVQZEP5IKFWX253IUMTA7XN","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":"e1256b265f46d2c63861792bddd3fa55e88e8006142e782ab52e32d32fd049cc","cross_cats_sorted":["cs.CV","cs.GR","eess.SP","physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2025-06-27T17:48:21Z","title_canon_sha256":"44bf1da9a17b985b0037c77fa835ec443fa63c52cbc6af3ef37cd023e83dbf02"},"schema_version":"1.0","source":{"id":"2506.22426","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.22426","created_at":"2026-07-05T12:11:18Z"},{"alias_kind":"arxiv_version","alias_value":"2506.22426v2","created_at":"2026-07-05T12:11:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.22426","created_at":"2026-07-05T12:11:18Z"},{"alias_kind":"pith_short_12","alias_value":"MJ3UVQZEP5IK","created_at":"2026-07-05T12:11:18Z"},{"alias_kind":"pith_short_16","alias_value":"MJ3UVQZEP5IKFWX2","created_at":"2026-07-05T12:11:18Z"},{"alias_kind":"pith_short_8","alias_value":"MJ3UVQZE","created_at":"2026-07-05T12:11:18Z"}],"graph_snapshots":[{"event_id":"sha256:f6638c32d99ccb7287ce7f58d696203bceb47fd5446769b5e94758a782bac9b4","target":"graph","created_at":"2026-07-05T12:11:18Z","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/2506.22426/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"High-dynamic-range (HDR) imaging is an essential technique for overcoming the dynamic range limits of image sensors. The classic method relies on multiple exposures, which slows capture time, resulting in motion artifacts when imaging dynamic scenes. Single-shot HDR imaging alleviates this issue by encoding HDR data into a single exposure, then computationally recovering it. Many established methods use strong image priors to recover improperly exposed image detail. These approaches struggle with extended highlight regions. We utilize the global reset release (GRR) shutter mode of an off-the-s","authors_text":"Kristina Monakhova, Kyrollos Yanny, Nicholas Antipa, Xiang Dai","cross_cats":["cs.CV","cs.GR","eess.SP","physics.optics"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2025-06-27T17:48:21Z","title":"Single-shot HDR using conventional image sensor shutter functions and optical randomization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.22426","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":"sha256:7dfe803464a88e7327ef392d2cd1a7134c47f3233303ea4b66c36c360982a93d","target":"record","created_at":"2026-07-05T12:11:18Z","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":"e1256b265f46d2c63861792bddd3fa55e88e8006142e782ab52e32d32fd049cc","cross_cats_sorted":["cs.CV","cs.GR","eess.SP","physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2025-06-27T17:48:21Z","title_canon_sha256":"44bf1da9a17b985b0037c77fa835ec443fa63c52cbc6af3ef37cd023e83dbf02"},"schema_version":"1.0","source":{"id":"2506.22426","kind":"arxiv","version":2}},"canonical_sha256":"62774ac3247f50a2dafaeed1464c1fbb67903e60b0313895cc55f311fbd5457e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"62774ac3247f50a2dafaeed1464c1fbb67903e60b0313895cc55f311fbd5457e","first_computed_at":"2026-07-05T12:11:18.766851Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T12:11:18.766851Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VAgtx6Mcr4l6RbDC9bW8us1GGdq1EvCKFuhtZT3fssvPomaicolm7tf/182AH6UTXSFtBS9lZWTscHSqiXxHCw==","signature_status":"signed_v1","signed_at":"2026-07-05T12:11:18.767399Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.22426","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7dfe803464a88e7327ef392d2cd1a7134c47f3233303ea4b66c36c360982a93d","sha256:f6638c32d99ccb7287ce7f58d696203bceb47fd5446769b5e94758a782bac9b4"],"state_sha256":"cd7e0c58a669eb1ed5fa50319240ad0fafe634b9a07d5ff4a370c4bb4a2653f5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AK9/RcDQED3kD4ivIv+EKFcSJ9tgVCx4t/EyWfd9rs1lsvq513EoRzWU5ZwNCOs3/mAqNYF1L0wtQy1xZ0jdAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T00:55:38.386610Z","bundle_sha256":"9e8578479875c3ed54d020dbc8b495b00a02f5d4244535ca5777fd7f74c8e042"}}