{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:A57MNW6YFKLEOWHAXHWTYPZ3KW","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":"91ba2c7506798e4a3233495f9409adff09c6fe29f7ecc9c78f1078b0e36e5968","cross_cats_sorted":["cs.CV","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2022-04-10T22:17:47Z","title_canon_sha256":"3c072232c59ed283ec01efa456819e167df8e2c132926ff9410b427de14e0bda"},"schema_version":"1.0","source":{"id":"2204.11592","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.11592","created_at":"2026-07-05T04:17:29Z"},{"alias_kind":"arxiv_version","alias_value":"2204.11592v1","created_at":"2026-07-05T04:17:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.11592","created_at":"2026-07-05T04:17:29Z"},{"alias_kind":"pith_short_12","alias_value":"A57MNW6YFKLE","created_at":"2026-07-05T04:17:29Z"},{"alias_kind":"pith_short_16","alias_value":"A57MNW6YFKLEOWHA","created_at":"2026-07-05T04:17:29Z"},{"alias_kind":"pith_short_8","alias_value":"A57MNW6Y","created_at":"2026-07-05T04:17:29Z"}],"graph_snapshots":[{"event_id":"sha256:51de41f3501d814876e14c9db26b37826afe774a55ce69706ed5eb1e9f406e54","target":"graph","created_at":"2026-07-05T04:17:29Z","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/2204.11592/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Deflectometry as a technical approach to assessing reflective surfaces has now existed for almost 40 years. Different aspects and variations of the method have been studied in multiple theses and research articles, and reviews are also becoming available for certain subtopics. Still a field of active development with many unsolved problems, deflectometry now encompasses a large variety of application domains, hardware setup types, and processing workflows designed for different purposes, and spans a range from qualitative defect inspection of large vehicles to precision measurements of microsc","authors_text":"Alexey Pak, Jan Burke, J\\\"urgen Beyerer, Masoud Roschani, Mathias Ziebarth, Sebastian H\\\"ofer","cross_cats":["cs.CV","physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2022-04-10T22:17:47Z","title":"Deflectometry for specular surfaces: an overview"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.11592","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":"sha256:4e0d7bf520b53aa4e68619e3df8c8e9e86eaed82713152add4150019a6baa63d","target":"record","created_at":"2026-07-05T04:17:29Z","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":"91ba2c7506798e4a3233495f9409adff09c6fe29f7ecc9c78f1078b0e36e5968","cross_cats_sorted":["cs.CV","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2022-04-10T22:17:47Z","title_canon_sha256":"3c072232c59ed283ec01efa456819e167df8e2c132926ff9410b427de14e0bda"},"schema_version":"1.0","source":{"id":"2204.11592","kind":"arxiv","version":1}},"canonical_sha256":"077ec6dbd82a964758e0b9ed3c3f3b558b0e55968a8d29d68bbc43742ec580ff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"077ec6dbd82a964758e0b9ed3c3f3b558b0e55968a8d29d68bbc43742ec580ff","first_computed_at":"2026-07-05T04:17:29.685007Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:17:29.685007Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uR3I1iYMcs+lfsI/8rRMa0pNZaN2ZKfagr5EuFHK/tSBtm+s+z5SVVkU4+AFQkMz+5OZJyCuw1BnB9Ehl7iyDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:17:29.685435Z","signed_message":"canonical_sha256_bytes"},"source_id":"2204.11592","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4e0d7bf520b53aa4e68619e3df8c8e9e86eaed82713152add4150019a6baa63d","sha256:51de41f3501d814876e14c9db26b37826afe774a55ce69706ed5eb1e9f406e54"],"state_sha256":"4916c70ca6788bf7eed014a8be94a2ae21bf7843652f545bfb26363fc8a00673"}