{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:I7DL6VSJNRY33SIG52NMIDWECE","short_pith_number":"pith:I7DL6VSJ","canonical_record":{"source":{"id":"2309.01995","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2023-09-05T07:19:14Z","cross_cats_sorted":["cond-mat.mes-hall","cs.AI","physics.space-ph"],"title_canon_sha256":"4ab12aca58219f5c0f68a291f6718dbc2aec2f3171285fd4c2094b0965206762","abstract_canon_sha256":"102fd780e2d727399302bd4b41e68bd978a6b99b663f253e6526e57bc67bc985"},"schema_version":"1.0"},"canonical_sha256":"47c6bf56496c71bdc906ee9ac40ec4112c23dbe2309eb75c58006c6ad4d6e5be","source":{"kind":"arxiv","id":"2309.01995","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.01995","created_at":"2026-07-05T06:47:46Z"},{"alias_kind":"arxiv_version","alias_value":"2309.01995v1","created_at":"2026-07-05T06:47:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.01995","created_at":"2026-07-05T06:47:46Z"},{"alias_kind":"pith_short_12","alias_value":"I7DL6VSJNRY3","created_at":"2026-07-05T06:47:46Z"},{"alias_kind":"pith_short_16","alias_value":"I7DL6VSJNRY33SIG","created_at":"2026-07-05T06:47:46Z"},{"alias_kind":"pith_short_8","alias_value":"I7DL6VSJ","created_at":"2026-07-05T06:47:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:I7DL6VSJNRY33SIG52NMIDWECE","target":"record","payload":{"canonical_record":{"source":{"id":"2309.01995","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2023-09-05T07:19:14Z","cross_cats_sorted":["cond-mat.mes-hall","cs.AI","physics.space-ph"],"title_canon_sha256":"4ab12aca58219f5c0f68a291f6718dbc2aec2f3171285fd4c2094b0965206762","abstract_canon_sha256":"102fd780e2d727399302bd4b41e68bd978a6b99b663f253e6526e57bc67bc985"},"schema_version":"1.0"},"canonical_sha256":"47c6bf56496c71bdc906ee9ac40ec4112c23dbe2309eb75c58006c6ad4d6e5be","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:47:46.380067Z","signature_b64":"5zINX9uz719IckRzsks8byQUf5CBs2GqjnQPs8aUZICnarz4KtPB6jC1iYRqAVnI4GZH3FvAmgOAcYFa+VB4Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"47c6bf56496c71bdc906ee9ac40ec4112c23dbe2309eb75c58006c6ad4d6e5be","last_reissued_at":"2026-07-05T06:47:46.379574Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:47:46.379574Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2309.01995","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":"2026-07-05T06:47:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/ZAuyEdQkHejgyRJXy+LS3O9YPRsvplqaORa2CWG1GT6Jc4v2CIIEd4R3JUOpstKHqlXq4G5wRhIh1ZD7FXfAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T18:46:50.705754Z"},"content_sha256":"5a0393e0680a7419849fcabeb7e0d8e0d1946ce3333f545c3ed7c83973d7c0fd","schema_version":"1.0","event_id":"sha256:5a0393e0680a7419849fcabeb7e0d8e0d1946ce3333f545c3ed7c83973d7c0fd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:I7DL6VSJNRY33SIG52NMIDWECE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Photonic Structures Optimization Using Highly Data-Efficient Deep Learning: Application To Nanofin And Annular Groove Phase Masks","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mes-hall","cs.AI","physics.space-ph"],"primary_cat":"physics.optics","authors_text":"Alexandre Mayer, Charlotte Beauthier, Lorenzo K\\\"onig, Micha\\\"el Lobet, Nicolas Roy, Olivier Absil","submitted_at":"2023-09-05T07:19:14Z","abstract_excerpt":"Metasurfaces offer a flexible framework for the manipulation of light properties in the realm of thin film optics. Specifically, the polarization of light can be effectively controlled through the use of thin phase plates. This study aims to introduce a surrogate optimization framework for these devices. The framework is applied to develop two kinds of vortex phase masks (VPMs) tailored for application in astronomical high-contrast imaging. Computational intelligence techniques are exploited to optimize the geometric features of these devices. The large design space and computational limitatio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.01995","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/2309.01995/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":"2026-07-05T06:47:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aGl+XPBZsvobBINpbQ/A3dzWZbrNV3UgM5ofy/dPPHI9i6VmeeI306YFLTVdBE1SaFhEFh/FiPoICfHd1Xh+CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T18:46:50.706226Z"},"content_sha256":"43d581882a6b24912079093dbf245aeb7c1a7752e5bfff2cfdea6f0e17bb7fb5","schema_version":"1.0","event_id":"sha256:43d581882a6b24912079093dbf245aeb7c1a7752e5bfff2cfdea6f0e17bb7fb5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I7DL6VSJNRY33SIG52NMIDWECE/bundle.json","state_url":"https://pith.science/pith/I7DL6VSJNRY33SIG52NMIDWECE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I7DL6VSJNRY33SIG52NMIDWECE/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":"2026-07-06T18:46:50Z","links":{"resolver":"https://pith.science/pith/I7DL6VSJNRY33SIG52NMIDWECE","bundle":"https://pith.science/pith/I7DL6VSJNRY33SIG52NMIDWECE/bundle.json","state":"https://pith.science/pith/I7DL6VSJNRY33SIG52NMIDWECE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I7DL6VSJNRY33SIG52NMIDWECE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:I7DL6VSJNRY33SIG52NMIDWECE","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":"102fd780e2d727399302bd4b41e68bd978a6b99b663f253e6526e57bc67bc985","cross_cats_sorted":["cond-mat.mes-hall","cs.AI","physics.space-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2023-09-05T07:19:14Z","title_canon_sha256":"4ab12aca58219f5c0f68a291f6718dbc2aec2f3171285fd4c2094b0965206762"},"schema_version":"1.0","source":{"id":"2309.01995","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.01995","created_at":"2026-07-05T06:47:46Z"},{"alias_kind":"arxiv_version","alias_value":"2309.01995v1","created_at":"2026-07-05T06:47:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.01995","created_at":"2026-07-05T06:47:46Z"},{"alias_kind":"pith_short_12","alias_value":"I7DL6VSJNRY3","created_at":"2026-07-05T06:47:46Z"},{"alias_kind":"pith_short_16","alias_value":"I7DL6VSJNRY33SIG","created_at":"2026-07-05T06:47:46Z"},{"alias_kind":"pith_short_8","alias_value":"I7DL6VSJ","created_at":"2026-07-05T06:47:46Z"}],"graph_snapshots":[{"event_id":"sha256:43d581882a6b24912079093dbf245aeb7c1a7752e5bfff2cfdea6f0e17bb7fb5","target":"graph","created_at":"2026-07-05T06:47:46Z","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/2309.01995/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Metasurfaces offer a flexible framework for the manipulation of light properties in the realm of thin film optics. Specifically, the polarization of light can be effectively controlled through the use of thin phase plates. This study aims to introduce a surrogate optimization framework for these devices. The framework is applied to develop two kinds of vortex phase masks (VPMs) tailored for application in astronomical high-contrast imaging. Computational intelligence techniques are exploited to optimize the geometric features of these devices. The large design space and computational limitatio","authors_text":"Alexandre Mayer, Charlotte Beauthier, Lorenzo K\\\"onig, Micha\\\"el Lobet, Nicolas Roy, Olivier Absil","cross_cats":["cond-mat.mes-hall","cs.AI","physics.space-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2023-09-05T07:19:14Z","title":"Photonic Structures Optimization Using Highly Data-Efficient Deep Learning: Application To Nanofin And Annular Groove Phase Masks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.01995","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":"sha256:5a0393e0680a7419849fcabeb7e0d8e0d1946ce3333f545c3ed7c83973d7c0fd","target":"record","created_at":"2026-07-05T06:47:46Z","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":"102fd780e2d727399302bd4b41e68bd978a6b99b663f253e6526e57bc67bc985","cross_cats_sorted":["cond-mat.mes-hall","cs.AI","physics.space-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2023-09-05T07:19:14Z","title_canon_sha256":"4ab12aca58219f5c0f68a291f6718dbc2aec2f3171285fd4c2094b0965206762"},"schema_version":"1.0","source":{"id":"2309.01995","kind":"arxiv","version":1}},"canonical_sha256":"47c6bf56496c71bdc906ee9ac40ec4112c23dbe2309eb75c58006c6ad4d6e5be","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"47c6bf56496c71bdc906ee9ac40ec4112c23dbe2309eb75c58006c6ad4d6e5be","first_computed_at":"2026-07-05T06:47:46.379574Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:47:46.379574Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5zINX9uz719IckRzsks8byQUf5CBs2GqjnQPs8aUZICnarz4KtPB6jC1iYRqAVnI4GZH3FvAmgOAcYFa+VB4Ag==","signature_status":"signed_v1","signed_at":"2026-07-05T06:47:46.380067Z","signed_message":"canonical_sha256_bytes"},"source_id":"2309.01995","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5a0393e0680a7419849fcabeb7e0d8e0d1946ce3333f545c3ed7c83973d7c0fd","sha256:43d581882a6b24912079093dbf245aeb7c1a7752e5bfff2cfdea6f0e17bb7fb5"],"state_sha256":"db092aacc2a9f8c2db89eead7bf651eaf0cd5a716f77940f7c926eb280fae58f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tNcVhrqTgPO7Tr6lPrMCJZmCxBYZo5tiAmi1qbcruCh3B5f/cm5+MeK8zE8pXk9ZNClaSYKwNS+Yki4vDlJeAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T18:46:50.708251Z","bundle_sha256":"23f276ec0adc9135adc41f6cb62998e80e6646b3acef2ba6dc37f819e2da72ea"}}