{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:HGI5UUPJTSSB45BNTBX5W3DZF3","short_pith_number":"pith:HGI5UUPJ","canonical_record":{"source":{"id":"1702.01230","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-02-04T03:08:17Z","cross_cats_sorted":[],"title_canon_sha256":"cf0fe1290396501b76f64119678378c5e7e7c6c611bb906fb257b4ade747c9d8","abstract_canon_sha256":"caefd4379034527ac92fc264427b1ad9a4acbcd9b60d0466ccef7cf9db602b3b"},"schema_version":"1.0"},"canonical_sha256":"3991da51e99ca41e742d986fdb6c792ef9a38eaa9a9cd54a2350ad4b2b33b33a","source":{"kind":"arxiv","id":"1702.01230","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.01230","created_at":"2026-05-18T00:32:13Z"},{"alias_kind":"arxiv_version","alias_value":"1702.01230v1","created_at":"2026-05-18T00:32:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.01230","created_at":"2026-05-18T00:32:13Z"},{"alias_kind":"pith_short_12","alias_value":"HGI5UUPJTSSB","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"HGI5UUPJTSSB45BN","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"HGI5UUPJ","created_at":"2026-05-18T12:31:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:HGI5UUPJTSSB45BNTBX5W3DZF3","target":"record","payload":{"canonical_record":{"source":{"id":"1702.01230","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-02-04T03:08:17Z","cross_cats_sorted":[],"title_canon_sha256":"cf0fe1290396501b76f64119678378c5e7e7c6c611bb906fb257b4ade747c9d8","abstract_canon_sha256":"caefd4379034527ac92fc264427b1ad9a4acbcd9b60d0466ccef7cf9db602b3b"},"schema_version":"1.0"},"canonical_sha256":"3991da51e99ca41e742d986fdb6c792ef9a38eaa9a9cd54a2350ad4b2b33b33a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:32:13.857242Z","signature_b64":"c7soRnpwJB9gPKFIpL/5tElXqfwsNFbwLKuihy1bD+hBHFYey7ZyQkds/VZbb8aNv7avYxcY1NN6DcbgGepqCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3991da51e99ca41e742d986fdb6c792ef9a38eaa9a9cd54a2350ad4b2b33b33a","last_reissued_at":"2026-05-18T00:32:13.856443Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:32:13.856443Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1702.01230","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":"2026-05-18T00:32:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"taz5WuMpzAhWxjEPGI/x6rmD8/vNZ52aD3ICU3ajYuCGmZUWBJo6U8MxwllPwP+P0roxIeJMFjdDWgw7WIMnAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T21:11:53.945071Z"},"content_sha256":"d8dc13b70068e2b7d89eb2fbfd549f7d0ad702137386ebfd626c30cbb71b30fe","schema_version":"1.0","event_id":"sha256:d8dc13b70068e2b7d89eb2fbfd549f7d0ad702137386ebfd626c30cbb71b30fe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:HGI5UUPJTSSB45BNTBX5W3DZF3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Design of mechanically robust metasurface lenses for RGB colors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Ge Yin, Jun Yuan, Wei Jiang, Wenhui Wu, Yungui Ma","submitted_at":"2017-02-04T03:08:17Z","abstract_excerpt":"In recent years, dielectric rod based metasurface lenses have been particularly investigated for their potential applications in replacing the traditional bulky lens with high efficiency. However, the isolated granular structure may lead to robustness and chromatic aberration concerns. In this work, a low refractive-index embedding medium was applied to solve the structural stability problem that also enables the device to be transferable to desired position or surface. Based on this, a compound metasurface lens composed of randomly interleaved frequency-selective zone sectors is proposed to b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.01230","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":""},"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":"2026-05-18T00:32:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IFSryufjALjvn4Bv9rKTL39fMSsgbO8CySF3AdUv6ZDAt4VqlODErbPXTLuFgg6KGs4a07nVMKXOfsfwYST/Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T21:11:53.945866Z"},"content_sha256":"11ae6f150e74df070f3cce033ec1493cdcf0af088cf09fcff04968ab5c711dfe","schema_version":"1.0","event_id":"sha256:11ae6f150e74df070f3cce033ec1493cdcf0af088cf09fcff04968ab5c711dfe"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HGI5UUPJTSSB45BNTBX5W3DZF3/bundle.json","state_url":"https://pith.science/pith/HGI5UUPJTSSB45BNTBX5W3DZF3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HGI5UUPJTSSB45BNTBX5W3DZF3/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":"2026-05-28T21:11:53Z","links":{"resolver":"https://pith.science/pith/HGI5UUPJTSSB45BNTBX5W3DZF3","bundle":"https://pith.science/pith/HGI5UUPJTSSB45BNTBX5W3DZF3/bundle.json","state":"https://pith.science/pith/HGI5UUPJTSSB45BNTBX5W3DZF3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HGI5UUPJTSSB45BNTBX5W3DZF3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:HGI5UUPJTSSB45BNTBX5W3DZF3","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":"caefd4379034527ac92fc264427b1ad9a4acbcd9b60d0466ccef7cf9db602b3b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-02-04T03:08:17Z","title_canon_sha256":"cf0fe1290396501b76f64119678378c5e7e7c6c611bb906fb257b4ade747c9d8"},"schema_version":"1.0","source":{"id":"1702.01230","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.01230","created_at":"2026-05-18T00:32:13Z"},{"alias_kind":"arxiv_version","alias_value":"1702.01230v1","created_at":"2026-05-18T00:32:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.01230","created_at":"2026-05-18T00:32:13Z"},{"alias_kind":"pith_short_12","alias_value":"HGI5UUPJTSSB","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"HGI5UUPJTSSB45BN","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"HGI5UUPJ","created_at":"2026-05-18T12:31:18Z"}],"graph_snapshots":[{"event_id":"sha256:11ae6f150e74df070f3cce033ec1493cdcf0af088cf09fcff04968ab5c711dfe","target":"graph","created_at":"2026-05-18T00:32:13Z","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":"In recent years, dielectric rod based metasurface lenses have been particularly investigated for their potential applications in replacing the traditional bulky lens with high efficiency. However, the isolated granular structure may lead to robustness and chromatic aberration concerns. In this work, a low refractive-index embedding medium was applied to solve the structural stability problem that also enables the device to be transferable to desired position or surface. Based on this, a compound metasurface lens composed of randomly interleaved frequency-selective zone sectors is proposed to b","authors_text":"Ge Yin, Jun Yuan, Wei Jiang, Wenhui Wu, Yungui Ma","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-02-04T03:08:17Z","title":"Design of mechanically robust metasurface lenses for RGB colors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.01230","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:d8dc13b70068e2b7d89eb2fbfd549f7d0ad702137386ebfd626c30cbb71b30fe","target":"record","created_at":"2026-05-18T00:32:13Z","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":"caefd4379034527ac92fc264427b1ad9a4acbcd9b60d0466ccef7cf9db602b3b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-02-04T03:08:17Z","title_canon_sha256":"cf0fe1290396501b76f64119678378c5e7e7c6c611bb906fb257b4ade747c9d8"},"schema_version":"1.0","source":{"id":"1702.01230","kind":"arxiv","version":1}},"canonical_sha256":"3991da51e99ca41e742d986fdb6c792ef9a38eaa9a9cd54a2350ad4b2b33b33a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3991da51e99ca41e742d986fdb6c792ef9a38eaa9a9cd54a2350ad4b2b33b33a","first_computed_at":"2026-05-18T00:32:13.856443Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:32:13.856443Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c7soRnpwJB9gPKFIpL/5tElXqfwsNFbwLKuihy1bD+hBHFYey7ZyQkds/VZbb8aNv7avYxcY1NN6DcbgGepqCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:32:13.857242Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.01230","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d8dc13b70068e2b7d89eb2fbfd549f7d0ad702137386ebfd626c30cbb71b30fe","sha256:11ae6f150e74df070f3cce033ec1493cdcf0af088cf09fcff04968ab5c711dfe"],"state_sha256":"3a78d8398c9fcc2527e272b1342323011697fdf8117daaa78a06b45e789bca93"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eY7LXiVN02x+D4X3JbXhjsoj5BgbJ7G/KDyea4hzTmRXbmAJhjZLMM0juKDuLTmOEAA/w+62GHf5xSGz+6YOBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T21:11:53.950012Z","bundle_sha256":"90ad27ec61889c590efae76a9a701b616bad25add6538b8b99f3a9f61921f7ec"}}