{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:FPCJW6EDWG3LL7Z5AOD6OAC3R6","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":"eff6c18401178d7af207e430fbff239713295e75514960aaab1bda43ab384e78","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-10-08T12:43:12Z","title_canon_sha256":"0be38b6fda28618c3ae49b265b976fc551301b68d657fc84349c0d44bb9be21d"},"schema_version":"1.0","source":{"id":"1810.03408","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.03408","created_at":"2026-05-17T23:49:03Z"},{"alias_kind":"arxiv_version","alias_value":"1810.03408v1","created_at":"2026-05-17T23:49:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.03408","created_at":"2026-05-17T23:49:03Z"},{"alias_kind":"pith_short_12","alias_value":"FPCJW6EDWG3L","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"FPCJW6EDWG3LL7Z5","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"FPCJW6ED","created_at":"2026-05-18T12:32:25Z"}],"graph_snapshots":[{"event_id":"sha256:917a0b2cb746fc7cb790ae9a59f6e502826e592723c2237a6ccc22f54e70eda1","target":"graph","created_at":"2026-05-17T23:49:03Z","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":"Spiral phase contrast is an important and convenient imaging processing technology in edge detection, and a broader field-of-view (FOV) of imaging is a long-pursuing aim to see more regions of the illumination objects. Compared with near-infrared (NIR) spectrum, the up-conversion imaging in visible spectrum benefits from the advantages of higher efficiency detection and lower potential speckle. FOV enhanced and spiral phase contrast up-conversion imaging processing methods by using second order nonlinear frequency up-conversion from NIR spectrum to visible spectrum in two different configurati","authors_text":"Bao-Sen Shi, Chen Yang, Guang-Can Guo, Shi-Kai Liu, Shi-Long Liu, Yan Li, Yin-Hai Li, Zhao-Huai Xu, Zhi-Yuan Zhou","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-10-08T12:43:12Z","title":"Up-conversion imaging processing with field-of-view and edge enhancement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.03408","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":"sha256:60a3a0b13523d052e7ff9c6c0cabe55525b91777ff2b6fd10e96905ba56e9617","target":"record","created_at":"2026-05-17T23:49:03Z","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":"eff6c18401178d7af207e430fbff239713295e75514960aaab1bda43ab384e78","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-10-08T12:43:12Z","title_canon_sha256":"0be38b6fda28618c3ae49b265b976fc551301b68d657fc84349c0d44bb9be21d"},"schema_version":"1.0","source":{"id":"1810.03408","kind":"arxiv","version":1}},"canonical_sha256":"2bc49b7883b1b6b5ff3d0387e7005b8f9729fd12eb33047a9348c767e03119b4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2bc49b7883b1b6b5ff3d0387e7005b8f9729fd12eb33047a9348c767e03119b4","first_computed_at":"2026-05-17T23:49:03.264571Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:49:03.264571Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bvgNPmeuvH4jHR8ZQ6cwtbqkfR2PEK8k84+ATurWez93My29KHVwdHfylGWMl9xenyUuHkjQd0ap13e4C2mIAQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:49:03.265038Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.03408","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:60a3a0b13523d052e7ff9c6c0cabe55525b91777ff2b6fd10e96905ba56e9617","sha256:917a0b2cb746fc7cb790ae9a59f6e502826e592723c2237a6ccc22f54e70eda1"],"state_sha256":"09be14d4efced0d048156e3d26513eeccab7f251b6c482e3bb93dcb3e0593c59"}