{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:AREVSVUTDHXZXED4MVT23TOHRO","short_pith_number":"pith:AREVSVUT","canonical_record":{"source":{"id":"1807.11901","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-07-30T05:28:32Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"deead15c4a668c170465bfa81ad819a09340587120321e3cb47607256390166d","abstract_canon_sha256":"68992dc01a0fba3f871ee417c59efb073c17add777116aa1532379ca7a866a47"},"schema_version":"1.0"},"canonical_sha256":"044959569319ef9b907c6567adcdc78b9b4758aba9e7afbb729c77ce83290911","source":{"kind":"arxiv","id":"1807.11901","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.11901","created_at":"2026-05-17T23:50:49Z"},{"alias_kind":"arxiv_version","alias_value":"1807.11901v2","created_at":"2026-05-17T23:50:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.11901","created_at":"2026-05-17T23:50:49Z"},{"alias_kind":"pith_short_12","alias_value":"AREVSVUTDHXZ","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_16","alias_value":"AREVSVUTDHXZXED4","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_8","alias_value":"AREVSVUT","created_at":"2026-05-18T12:32:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:AREVSVUTDHXZXED4MVT23TOHRO","target":"record","payload":{"canonical_record":{"source":{"id":"1807.11901","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-07-30T05:28:32Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"deead15c4a668c170465bfa81ad819a09340587120321e3cb47607256390166d","abstract_canon_sha256":"68992dc01a0fba3f871ee417c59efb073c17add777116aa1532379ca7a866a47"},"schema_version":"1.0"},"canonical_sha256":"044959569319ef9b907c6567adcdc78b9b4758aba9e7afbb729c77ce83290911","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:49.054049Z","signature_b64":"GJyNGFNHaFqP9b5VFW6MiYu4GqoWKr1vkpEGpFr7XII4fD5o8Zkn1DeERT2M1q8trPOegjzeJQd36ec0c3zGCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"044959569319ef9b907c6567adcdc78b9b4758aba9e7afbb729c77ce83290911","last_reissued_at":"2026-05-17T23:50:49.053438Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:49.053438Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.11901","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":"2026-05-17T23:50:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DUCdQTbKIcRMZfIGboDiw3VhPpDfyEbRQKHoEgTH/mgSMmVcqsBX0/2xFbCcyajsNzA0biU7HGcE8MltnPzXCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T04:30:54.897413Z"},"content_sha256":"16e0db64ea863fc874ce66f1c84823e08a6c8192b02ec178c63faed1b4efec9e","schema_version":"1.0","event_id":"sha256:16e0db64ea863fc874ce66f1c84823e08a6c8192b02ec178c63faed1b4efec9e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:AREVSVUTDHXZXED4MVT23TOHRO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"GDoeSII: Open source software for design of diffractive optical elements and conversion to GDSII lithography files","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"physics.comp-ph","authors_text":"Raghu Dharmavarapu, Saulius Juodkazis, Shanti Bhattacharya","submitted_at":"2018-07-30T05:28:32Z","abstract_excerpt":"We develop an open source software \"GDoeSII\" for the simulation of Fresnel (near field) and Fraunhofer (far field) diffraction integrals of diffractive optical elements (DOE). It can compute the intensity distributions at a desired plane from the DOE. This software can also convert the phase profiles of the DOEs from standard image formats such as JPG and PNG to lithography graphic format GDSII for fabrication purposes. The conversion algorithm used in this program groups adjacent same-valued pixels and creates a single cell rather than creating a cell for each and every pixel in the image fil"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.11901","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":""},"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":"2026-05-17T23:50:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2HTPn6h+o+zBg5dEmbyrxXISTZihhuZEbVimRu0tP/hEBdKpDFlwMrgYk/fL5uZ1chCkp+YHFIDvj+AF+iCNAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T04:30:54.897766Z"},"content_sha256":"2c8a2058d4726e1d6e3a7f70ec7ea97a1ad12f5156ce106fd73b472b5b5e040f","schema_version":"1.0","event_id":"sha256:2c8a2058d4726e1d6e3a7f70ec7ea97a1ad12f5156ce106fd73b472b5b5e040f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AREVSVUTDHXZXED4MVT23TOHRO/bundle.json","state_url":"https://pith.science/pith/AREVSVUTDHXZXED4MVT23TOHRO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AREVSVUTDHXZXED4MVT23TOHRO/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":"2026-06-27T04:30:54Z","links":{"resolver":"https://pith.science/pith/AREVSVUTDHXZXED4MVT23TOHRO","bundle":"https://pith.science/pith/AREVSVUTDHXZXED4MVT23TOHRO/bundle.json","state":"https://pith.science/pith/AREVSVUTDHXZXED4MVT23TOHRO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AREVSVUTDHXZXED4MVT23TOHRO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:AREVSVUTDHXZXED4MVT23TOHRO","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":"68992dc01a0fba3f871ee417c59efb073c17add777116aa1532379ca7a866a47","cross_cats_sorted":["physics.optics"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-07-30T05:28:32Z","title_canon_sha256":"deead15c4a668c170465bfa81ad819a09340587120321e3cb47607256390166d"},"schema_version":"1.0","source":{"id":"1807.11901","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.11901","created_at":"2026-05-17T23:50:49Z"},{"alias_kind":"arxiv_version","alias_value":"1807.11901v2","created_at":"2026-05-17T23:50:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.11901","created_at":"2026-05-17T23:50:49Z"},{"alias_kind":"pith_short_12","alias_value":"AREVSVUTDHXZ","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_16","alias_value":"AREVSVUTDHXZXED4","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_8","alias_value":"AREVSVUT","created_at":"2026-05-18T12:32:13Z"}],"graph_snapshots":[{"event_id":"sha256:2c8a2058d4726e1d6e3a7f70ec7ea97a1ad12f5156ce106fd73b472b5b5e040f","target":"graph","created_at":"2026-05-17T23:50:49Z","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":"We develop an open source software \"GDoeSII\" for the simulation of Fresnel (near field) and Fraunhofer (far field) diffraction integrals of diffractive optical elements (DOE). It can compute the intensity distributions at a desired plane from the DOE. This software can also convert the phase profiles of the DOEs from standard image formats such as JPG and PNG to lithography graphic format GDSII for fabrication purposes. The conversion algorithm used in this program groups adjacent same-valued pixels and creates a single cell rather than creating a cell for each and every pixel in the image fil","authors_text":"Raghu Dharmavarapu, Saulius Juodkazis, Shanti Bhattacharya","cross_cats":["physics.optics"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-07-30T05:28:32Z","title":"GDoeSII: Open source software for design of diffractive optical elements and conversion to GDSII lithography files"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.11901","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":"sha256:16e0db64ea863fc874ce66f1c84823e08a6c8192b02ec178c63faed1b4efec9e","target":"record","created_at":"2026-05-17T23:50:49Z","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":"68992dc01a0fba3f871ee417c59efb073c17add777116aa1532379ca7a866a47","cross_cats_sorted":["physics.optics"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-07-30T05:28:32Z","title_canon_sha256":"deead15c4a668c170465bfa81ad819a09340587120321e3cb47607256390166d"},"schema_version":"1.0","source":{"id":"1807.11901","kind":"arxiv","version":2}},"canonical_sha256":"044959569319ef9b907c6567adcdc78b9b4758aba9e7afbb729c77ce83290911","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"044959569319ef9b907c6567adcdc78b9b4758aba9e7afbb729c77ce83290911","first_computed_at":"2026-05-17T23:50:49.053438Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:50:49.053438Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GJyNGFNHaFqP9b5VFW6MiYu4GqoWKr1vkpEGpFr7XII4fD5o8Zkn1DeERT2M1q8trPOegjzeJQd36ec0c3zGCw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:50:49.054049Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.11901","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:16e0db64ea863fc874ce66f1c84823e08a6c8192b02ec178c63faed1b4efec9e","sha256:2c8a2058d4726e1d6e3a7f70ec7ea97a1ad12f5156ce106fd73b472b5b5e040f"],"state_sha256":"fd3c41cba03753e40afa179a19303dd9fea46d33c2cebde0972cd51514477ce9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gHPDoVXc7cO6405N3OB4YcGw3iU6TW69IPEXK5WEB1YPefXxXEP4msz2T2p2h/TuOz7BNtJpGDe92xEZP7YgAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T04:30:54.899662Z","bundle_sha256":"28ef60c942473344c188cbcc72b66ce58948dec644fec52f365c81464e84fd6c"}}