{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:H27VW6T45CTQQJ65VRZDBC5RDW","short_pith_number":"pith:H27VW6T4","canonical_record":{"source":{"id":"2501.10340","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.optics","submitted_at":"2025-01-17T18:30:20Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"title_canon_sha256":"1079c365a1ebd8387a20e5b3812c091083563d1f5d5dd2a481c89437bce4d97a","abstract_canon_sha256":"c706d7bc3fc41366c2985a32e31fc3afb12658e1063f293b52163657df4172b5"},"schema_version":"1.0"},"canonical_sha256":"3ebf5b7a7ce8a70827ddac72308bb11d8456e116922eea835b311b67f3d49b25","source":{"kind":"arxiv","id":"2501.10340","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.10340","created_at":"2026-07-05T10:02:20Z"},{"alias_kind":"arxiv_version","alias_value":"2501.10340v1","created_at":"2026-07-05T10:02:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.10340","created_at":"2026-07-05T10:02:20Z"},{"alias_kind":"pith_short_12","alias_value":"H27VW6T45CTQ","created_at":"2026-07-05T10:02:20Z"},{"alias_kind":"pith_short_16","alias_value":"H27VW6T45CTQQJ65","created_at":"2026-07-05T10:02:20Z"},{"alias_kind":"pith_short_8","alias_value":"H27VW6T4","created_at":"2026-07-05T10:02:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:H27VW6T45CTQQJ65VRZDBC5RDW","target":"record","payload":{"canonical_record":{"source":{"id":"2501.10340","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.optics","submitted_at":"2025-01-17T18:30:20Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"title_canon_sha256":"1079c365a1ebd8387a20e5b3812c091083563d1f5d5dd2a481c89437bce4d97a","abstract_canon_sha256":"c706d7bc3fc41366c2985a32e31fc3afb12658e1063f293b52163657df4172b5"},"schema_version":"1.0"},"canonical_sha256":"3ebf5b7a7ce8a70827ddac72308bb11d8456e116922eea835b311b67f3d49b25","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:02:20.401124Z","signature_b64":"KCx5LWejHnde/knSt96qCQ0lozu8wrWS6k9sVoTa4g0LxWh3SqUgT+nrQj80wbgz8JuhI5KMgBinf7g/ACFICA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3ebf5b7a7ce8a70827ddac72308bb11d8456e116922eea835b311b67f3d49b25","last_reissued_at":"2026-07-05T10:02:20.400708Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:02:20.400708Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2501.10340","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":"2026-07-05T10:02:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mm/lH3UoFt9j1vNDwaYSWFWcaYF+nsdeFEXOH9dMtRiaRvfLU9PF4UnAMbqIEJgtZ/jfwmyXob6ZcyaUw3g9CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T07:00:59.964628Z"},"content_sha256":"7ff435175e39034f442636a2ffa5c462eb09e36cac41fea157c50aced3102320","schema_version":"1.0","event_id":"sha256:7ff435175e39034f442636a2ffa5c462eb09e36cac41fea157c50aced3102320"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:H27VW6T45CTQQJ65VRZDBC5RDW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Diffraction of Light from Optical Fourier Surfaces","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"primary_cat":"physics.optics","authors_text":"Daniel Petter, David J. Norris, Gabriel Nagamine, J. J. Erik Maris, Juri G. Crimmann, Nolan Lassaline, Raphael Brechb\\\"uhler, Valentina G. De Rosa, Yannik M. Glauser","submitted_at":"2025-01-17T18:30:20Z","abstract_excerpt":"Diffractive surfaces shape optical wavefronts for applications in spectroscopy, high-speed communication, and imaging. The performance of these structures is primarily determined by how precisely they can be patterned. Fabrication constraints commonly lead to square-shaped, \"binary\" profiles that contain unwanted spatial frequencies that contaminate the diffraction. Recently, \"wavy\" surfaces (known as optical Fourier surfaces, OFSs) have been introduced that include only the desired spatial frequencies. However, the optical performance and reliability of these structures have not yet been expe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.10340","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/2501.10340/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":"2026-07-05T10:02:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nLWFXGaD2kyBi9NsDPTlfbmuqgp5R3qX6RDoeQF6B/axgCoH+Zj0kIRCFAK1lSFEQ/mq57sR+ttvhxSvrqemDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T07:00:59.965160Z"},"content_sha256":"78ade57e35ddcfe485e4fbccfd4d88a290ba7de70cf63714d99a7989b437e33e","schema_version":"1.0","event_id":"sha256:78ade57e35ddcfe485e4fbccfd4d88a290ba7de70cf63714d99a7989b437e33e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/H27VW6T45CTQQJ65VRZDBC5RDW/bundle.json","state_url":"https://pith.science/pith/H27VW6T45CTQQJ65VRZDBC5RDW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/H27VW6T45CTQQJ65VRZDBC5RDW/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":"2026-08-21T07:00:59Z","links":{"resolver":"https://pith.science/pith/H27VW6T45CTQQJ65VRZDBC5RDW","bundle":"https://pith.science/pith/H27VW6T45CTQQJ65VRZDBC5RDW/bundle.json","state":"https://pith.science/pith/H27VW6T45CTQQJ65VRZDBC5RDW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/H27VW6T45CTQQJ65VRZDBC5RDW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:H27VW6T45CTQQJ65VRZDBC5RDW","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":"c706d7bc3fc41366c2985a32e31fc3afb12658e1063f293b52163657df4172b5","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.optics","submitted_at":"2025-01-17T18:30:20Z","title_canon_sha256":"1079c365a1ebd8387a20e5b3812c091083563d1f5d5dd2a481c89437bce4d97a"},"schema_version":"1.0","source":{"id":"2501.10340","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.10340","created_at":"2026-07-05T10:02:20Z"},{"alias_kind":"arxiv_version","alias_value":"2501.10340v1","created_at":"2026-07-05T10:02:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.10340","created_at":"2026-07-05T10:02:20Z"},{"alias_kind":"pith_short_12","alias_value":"H27VW6T45CTQ","created_at":"2026-07-05T10:02:20Z"},{"alias_kind":"pith_short_16","alias_value":"H27VW6T45CTQQJ65","created_at":"2026-07-05T10:02:20Z"},{"alias_kind":"pith_short_8","alias_value":"H27VW6T4","created_at":"2026-07-05T10:02:20Z"}],"graph_snapshots":[{"event_id":"sha256:78ade57e35ddcfe485e4fbccfd4d88a290ba7de70cf63714d99a7989b437e33e","target":"graph","created_at":"2026-07-05T10:02:20Z","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/2501.10340/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Diffractive surfaces shape optical wavefronts for applications in spectroscopy, high-speed communication, and imaging. The performance of these structures is primarily determined by how precisely they can be patterned. Fabrication constraints commonly lead to square-shaped, \"binary\" profiles that contain unwanted spatial frequencies that contaminate the diffraction. Recently, \"wavy\" surfaces (known as optical Fourier surfaces, OFSs) have been introduced that include only the desired spatial frequencies. However, the optical performance and reliability of these structures have not yet been expe","authors_text":"Daniel Petter, David J. Norris, Gabriel Nagamine, J. J. Erik Maris, Juri G. Crimmann, Nolan Lassaline, Raphael Brechb\\\"uhler, Valentina G. De Rosa, Yannik M. Glauser","cross_cats":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.optics","submitted_at":"2025-01-17T18:30:20Z","title":"Diffraction of Light from Optical Fourier Surfaces"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.10340","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":"sha256:7ff435175e39034f442636a2ffa5c462eb09e36cac41fea157c50aced3102320","target":"record","created_at":"2026-07-05T10:02:20Z","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":"c706d7bc3fc41366c2985a32e31fc3afb12658e1063f293b52163657df4172b5","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.optics","submitted_at":"2025-01-17T18:30:20Z","title_canon_sha256":"1079c365a1ebd8387a20e5b3812c091083563d1f5d5dd2a481c89437bce4d97a"},"schema_version":"1.0","source":{"id":"2501.10340","kind":"arxiv","version":1}},"canonical_sha256":"3ebf5b7a7ce8a70827ddac72308bb11d8456e116922eea835b311b67f3d49b25","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3ebf5b7a7ce8a70827ddac72308bb11d8456e116922eea835b311b67f3d49b25","first_computed_at":"2026-07-05T10:02:20.400708Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:02:20.400708Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KCx5LWejHnde/knSt96qCQ0lozu8wrWS6k9sVoTa4g0LxWh3SqUgT+nrQj80wbgz8JuhI5KMgBinf7g/ACFICA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:02:20.401124Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.10340","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7ff435175e39034f442636a2ffa5c462eb09e36cac41fea157c50aced3102320","sha256:78ade57e35ddcfe485e4fbccfd4d88a290ba7de70cf63714d99a7989b437e33e"],"state_sha256":"6bd7d1f91675d86f85c9c10fd09f1189e0ee01dca72d10a17c3c1c80e92666bc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/MtllXx/pPhgONAKiKqn/q90Qb1bKYXubQcWAL9kKkzj8hGQ8DGzv+yoqBnlvdmVGjqfRgD5E4DRUhtKGiKTBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T07:00:59.969026Z","bundle_sha256":"52be84e8d32e997995162fd231204269490813615bfff091faac180619154610"}}