{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:TMVHPTGCCO7SRNNJOKU2CSLANM","short_pith_number":"pith:TMVHPTGC","canonical_record":{"source":{"id":"2403.03063","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2024-03-05T15:52:54Z","cross_cats_sorted":[],"title_canon_sha256":"e89983ba020d7b64cacb2c28418e61cbfa6553439bcdb0334b62945ff1fda720","abstract_canon_sha256":"35ed18c782d1e1e51a0eeb6f4d21b6eff87f34e2370ec4b19c8a772605a34d08"},"schema_version":"1.0"},"canonical_sha256":"9b2a77ccc213bf28b5a972a9a149606b249c007c9432cc773dec252ac89c6117","source":{"kind":"arxiv","id":"2403.03063","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.03063","created_at":"2026-07-05T09:28:48Z"},{"alias_kind":"arxiv_version","alias_value":"2403.03063v1","created_at":"2026-07-05T09:28:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.03063","created_at":"2026-07-05T09:28:48Z"},{"alias_kind":"pith_short_12","alias_value":"TMVHPTGCCO7S","created_at":"2026-07-05T09:28:48Z"},{"alias_kind":"pith_short_16","alias_value":"TMVHPTGCCO7SRNNJ","created_at":"2026-07-05T09:28:48Z"},{"alias_kind":"pith_short_8","alias_value":"TMVHPTGC","created_at":"2026-07-05T09:28:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:TMVHPTGCCO7SRNNJOKU2CSLANM","target":"record","payload":{"canonical_record":{"source":{"id":"2403.03063","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2024-03-05T15:52:54Z","cross_cats_sorted":[],"title_canon_sha256":"e89983ba020d7b64cacb2c28418e61cbfa6553439bcdb0334b62945ff1fda720","abstract_canon_sha256":"35ed18c782d1e1e51a0eeb6f4d21b6eff87f34e2370ec4b19c8a772605a34d08"},"schema_version":"1.0"},"canonical_sha256":"9b2a77ccc213bf28b5a972a9a149606b249c007c9432cc773dec252ac89c6117","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:28:48.423144Z","signature_b64":"JF1wbHhcXMC30pOuip7jMwGmzQPRAtNuVzi2WIEGmH6X/4Bup+kVe96xOjsyapGZU5k5r5NfbdExGR1ZVVbfAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9b2a77ccc213bf28b5a972a9a149606b249c007c9432cc773dec252ac89c6117","last_reissued_at":"2026-07-05T09:28:48.422599Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:28:48.422599Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2403.03063","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":"2026-07-05T09:28:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OBLK0fQiWcqB+a/B21k+luOLuiWxhUHXTiibcayvfbnABQrSQ0tgAlxqMlDFGEcbf/JPFsh9yUAaMBerYp9uBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T16:24:42.669816Z"},"content_sha256":"9869f696d8dedde3e8e568ad1a197ffe284c838374b439b7c415be06d629e469","schema_version":"1.0","event_id":"sha256:9869f696d8dedde3e8e568ad1a197ffe284c838374b439b7c415be06d629e469"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:TMVHPTGCCO7SRNNJOKU2CSLANM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"CrackNex: a Few-shot Low-light Crack Segmentation Model Based on Retinex Theory for UAV Inspections","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Jiawei Xu, Mooi Choo Chuah, Shuhang Hou, Zhen Yao","submitted_at":"2024-03-05T15:52:54Z","abstract_excerpt":"Routine visual inspections of concrete structures are imperative for upholding the safety and integrity of critical infrastructure. Such visual inspections sometimes happen under low-light conditions, e.g., checking for bridge health. Crack segmentation under such conditions is challenging due to the poor contrast between cracks and their surroundings. However, most deep learning methods are designed for well-illuminated crack images and hence their performance drops dramatically in low-light scenes. In addition, conventional approaches require many annotated low-light crack images which is ti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.03063","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/2403.03063/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":"2026-07-05T09:28:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"20fiY5Ubu4BXvngSE6bP7FLvDUOrVrpo6uPPdZqA4PcYJCtcOhKblSEL0UuLGqYJ6VeVIIPUvN1AcTHDca1AAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T16:24:42.670328Z"},"content_sha256":"7ee277780593f78db968e056bd6182ca04c2668800f7798be51f74177156cedc","schema_version":"1.0","event_id":"sha256:7ee277780593f78db968e056bd6182ca04c2668800f7798be51f74177156cedc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TMVHPTGCCO7SRNNJOKU2CSLANM/bundle.json","state_url":"https://pith.science/pith/TMVHPTGCCO7SRNNJOKU2CSLANM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TMVHPTGCCO7SRNNJOKU2CSLANM/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":"2026-08-06T16:24:42Z","links":{"resolver":"https://pith.science/pith/TMVHPTGCCO7SRNNJOKU2CSLANM","bundle":"https://pith.science/pith/TMVHPTGCCO7SRNNJOKU2CSLANM/bundle.json","state":"https://pith.science/pith/TMVHPTGCCO7SRNNJOKU2CSLANM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TMVHPTGCCO7SRNNJOKU2CSLANM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:TMVHPTGCCO7SRNNJOKU2CSLANM","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":"35ed18c782d1e1e51a0eeb6f4d21b6eff87f34e2370ec4b19c8a772605a34d08","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2024-03-05T15:52:54Z","title_canon_sha256":"e89983ba020d7b64cacb2c28418e61cbfa6553439bcdb0334b62945ff1fda720"},"schema_version":"1.0","source":{"id":"2403.03063","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.03063","created_at":"2026-07-05T09:28:48Z"},{"alias_kind":"arxiv_version","alias_value":"2403.03063v1","created_at":"2026-07-05T09:28:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.03063","created_at":"2026-07-05T09:28:48Z"},{"alias_kind":"pith_short_12","alias_value":"TMVHPTGCCO7S","created_at":"2026-07-05T09:28:48Z"},{"alias_kind":"pith_short_16","alias_value":"TMVHPTGCCO7SRNNJ","created_at":"2026-07-05T09:28:48Z"},{"alias_kind":"pith_short_8","alias_value":"TMVHPTGC","created_at":"2026-07-05T09:28:48Z"}],"graph_snapshots":[{"event_id":"sha256:7ee277780593f78db968e056bd6182ca04c2668800f7798be51f74177156cedc","target":"graph","created_at":"2026-07-05T09:28:48Z","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/2403.03063/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Routine visual inspections of concrete structures are imperative for upholding the safety and integrity of critical infrastructure. Such visual inspections sometimes happen under low-light conditions, e.g., checking for bridge health. Crack segmentation under such conditions is challenging due to the poor contrast between cracks and their surroundings. However, most deep learning methods are designed for well-illuminated crack images and hence their performance drops dramatically in low-light scenes. In addition, conventional approaches require many annotated low-light crack images which is ti","authors_text":"Jiawei Xu, Mooi Choo Chuah, Shuhang Hou, Zhen Yao","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2024-03-05T15:52:54Z","title":"CrackNex: a Few-shot Low-light Crack Segmentation Model Based on Retinex Theory for UAV Inspections"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.03063","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":"sha256:9869f696d8dedde3e8e568ad1a197ffe284c838374b439b7c415be06d629e469","target":"record","created_at":"2026-07-05T09:28:48Z","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":"35ed18c782d1e1e51a0eeb6f4d21b6eff87f34e2370ec4b19c8a772605a34d08","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2024-03-05T15:52:54Z","title_canon_sha256":"e89983ba020d7b64cacb2c28418e61cbfa6553439bcdb0334b62945ff1fda720"},"schema_version":"1.0","source":{"id":"2403.03063","kind":"arxiv","version":1}},"canonical_sha256":"9b2a77ccc213bf28b5a972a9a149606b249c007c9432cc773dec252ac89c6117","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9b2a77ccc213bf28b5a972a9a149606b249c007c9432cc773dec252ac89c6117","first_computed_at":"2026-07-05T09:28:48.422599Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:28:48.422599Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JF1wbHhcXMC30pOuip7jMwGmzQPRAtNuVzi2WIEGmH6X/4Bup+kVe96xOjsyapGZU5k5r5NfbdExGR1ZVVbfAw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:28:48.423144Z","signed_message":"canonical_sha256_bytes"},"source_id":"2403.03063","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9869f696d8dedde3e8e568ad1a197ffe284c838374b439b7c415be06d629e469","sha256:7ee277780593f78db968e056bd6182ca04c2668800f7798be51f74177156cedc"],"state_sha256":"3a031063f9967749b9fb7f9cf8a423fea48e6d5b0fca89300d19aa85f69e5fd5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QcQNbQjegCgKbxX0GVEzlovr8Ti/2WGthN3XH6lVND/OJEgtpbTeYK9+zj12hp5xPLpxb3qT26qYYNAmLcQsAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T16:24:42.673924Z","bundle_sha256":"a0ddf55be9edbfe7967eef40914285d6e0f700196db31b2b17ac23eea63e109c"}}