{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:4IAJKD6NDSWYLIZIM6JBFQQ5T6","short_pith_number":"pith:4IAJKD6N","canonical_record":{"source":{"id":"1712.07091","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-12-19T18:20:14Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"400b7d39629fa0be2fcaf40a7967b77e5e842eff17036d7a0bdecef5c3528d3d","abstract_canon_sha256":"f44eff139da6f1066aa44238629447d56ed32a9328c32d1e76fd077706837b06"},"schema_version":"1.0"},"canonical_sha256":"e200950fcd1cad85a328679212c21d9fb5d420038f762bfd94a9446b16c0f440","source":{"kind":"arxiv","id":"1712.07091","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.07091","created_at":"2026-05-18T00:22:44Z"},{"alias_kind":"arxiv_version","alias_value":"1712.07091v2","created_at":"2026-05-18T00:22:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.07091","created_at":"2026-05-18T00:22:44Z"},{"alias_kind":"pith_short_12","alias_value":"4IAJKD6NDSWY","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"4IAJKD6NDSWYLIZI","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"4IAJKD6N","created_at":"2026-05-18T12:30:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:4IAJKD6NDSWYLIZIM6JBFQQ5T6","target":"record","payload":{"canonical_record":{"source":{"id":"1712.07091","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-12-19T18:20:14Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"400b7d39629fa0be2fcaf40a7967b77e5e842eff17036d7a0bdecef5c3528d3d","abstract_canon_sha256":"f44eff139da6f1066aa44238629447d56ed32a9328c32d1e76fd077706837b06"},"schema_version":"1.0"},"canonical_sha256":"e200950fcd1cad85a328679212c21d9fb5d420038f762bfd94a9446b16c0f440","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:44.307395Z","signature_b64":"OITWtpSXQlK5tu2J9mg+n0pLOKZic5UxpkWkQKJRa1U6znVp1IOvewfwuSYYW6WOROMjNFhfQFL1Y0B16/qVBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e200950fcd1cad85a328679212c21d9fb5d420038f762bfd94a9446b16c0f440","last_reissued_at":"2026-05-18T00:22:44.306955Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:44.306955Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.07091","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":"2026-05-18T00:22:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TGrNngxq6Wu0avxGf855m1lLmyRPC3Fpmz0kVutZ4eKDw0pUeJg5TDiW7QFRbrOKUibTbpx2DL06njAakEMpBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T04:41:26.709757Z"},"content_sha256":"56b0c95d7649b5bc81af020acd3acadb5000585e43109c62ead60db9c75c01b3","schema_version":"1.0","event_id":"sha256:56b0c95d7649b5bc81af020acd3acadb5000585e43109c62ead60db9c75c01b3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:4IAJKD6NDSWYLIZIM6JBFQQ5T6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chiral scatterers designed by Bayesian optimization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.comp-ph"],"primary_cat":"physics.optics","authors_text":"Manuel Nieto-Vesperinas, Philipp Gutsche, Philipp-Immanuel Schneider, Sven Burger","submitted_at":"2017-12-19T18:20:14Z","abstract_excerpt":"The helicity or chirality of scattered light is strongly linked to the dual symmetry of the scatterer. The latter depends on chiral materials or on scatterers which are not superimposable with their mirror image. This inherently yields asymmetric structures of various shapes with many degrees of freedom. In order to explore these high dimensional parameter spaces, numerical simulations and especially optimization strategies are a valueable tool. Here, we optimize the emission of chiral line sources in two-dimensional dimer setups using Bayesian optimization. We deduce relevant objective functi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.07091","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":"2026-05-18T00:22:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NbFkzXIiflNxeewN1nJsauLhgs0aB/Ox0BeXd5uCKs/RrmHIvEK+GPswDR0h4RP31ayPcz6sFOXSyQe8mrfoAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T04:41:26.710109Z"},"content_sha256":"233c912bd1d90c9ce3a571d949a16112c368876539bf073a8f3fd8d84ee0cb4d","schema_version":"1.0","event_id":"sha256:233c912bd1d90c9ce3a571d949a16112c368876539bf073a8f3fd8d84ee0cb4d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4IAJKD6NDSWYLIZIM6JBFQQ5T6/bundle.json","state_url":"https://pith.science/pith/4IAJKD6NDSWYLIZIM6JBFQQ5T6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4IAJKD6NDSWYLIZIM6JBFQQ5T6/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":"2026-06-02T04:41:26Z","links":{"resolver":"https://pith.science/pith/4IAJKD6NDSWYLIZIM6JBFQQ5T6","bundle":"https://pith.science/pith/4IAJKD6NDSWYLIZIM6JBFQQ5T6/bundle.json","state":"https://pith.science/pith/4IAJKD6NDSWYLIZIM6JBFQQ5T6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4IAJKD6NDSWYLIZIM6JBFQQ5T6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:4IAJKD6NDSWYLIZIM6JBFQQ5T6","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":"f44eff139da6f1066aa44238629447d56ed32a9328c32d1e76fd077706837b06","cross_cats_sorted":["physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-12-19T18:20:14Z","title_canon_sha256":"400b7d39629fa0be2fcaf40a7967b77e5e842eff17036d7a0bdecef5c3528d3d"},"schema_version":"1.0","source":{"id":"1712.07091","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.07091","created_at":"2026-05-18T00:22:44Z"},{"alias_kind":"arxiv_version","alias_value":"1712.07091v2","created_at":"2026-05-18T00:22:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.07091","created_at":"2026-05-18T00:22:44Z"},{"alias_kind":"pith_short_12","alias_value":"4IAJKD6NDSWY","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"4IAJKD6NDSWYLIZI","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"4IAJKD6N","created_at":"2026-05-18T12:30:58Z"}],"graph_snapshots":[{"event_id":"sha256:233c912bd1d90c9ce3a571d949a16112c368876539bf073a8f3fd8d84ee0cb4d","target":"graph","created_at":"2026-05-18T00:22:44Z","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":"The helicity or chirality of scattered light is strongly linked to the dual symmetry of the scatterer. The latter depends on chiral materials or on scatterers which are not superimposable with their mirror image. This inherently yields asymmetric structures of various shapes with many degrees of freedom. In order to explore these high dimensional parameter spaces, numerical simulations and especially optimization strategies are a valueable tool. Here, we optimize the emission of chiral line sources in two-dimensional dimer setups using Bayesian optimization. We deduce relevant objective functi","authors_text":"Manuel Nieto-Vesperinas, Philipp Gutsche, Philipp-Immanuel Schneider, Sven Burger","cross_cats":["physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-12-19T18:20:14Z","title":"Chiral scatterers designed by Bayesian optimization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.07091","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":"sha256:56b0c95d7649b5bc81af020acd3acadb5000585e43109c62ead60db9c75c01b3","target":"record","created_at":"2026-05-18T00:22:44Z","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":"f44eff139da6f1066aa44238629447d56ed32a9328c32d1e76fd077706837b06","cross_cats_sorted":["physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-12-19T18:20:14Z","title_canon_sha256":"400b7d39629fa0be2fcaf40a7967b77e5e842eff17036d7a0bdecef5c3528d3d"},"schema_version":"1.0","source":{"id":"1712.07091","kind":"arxiv","version":2}},"canonical_sha256":"e200950fcd1cad85a328679212c21d9fb5d420038f762bfd94a9446b16c0f440","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e200950fcd1cad85a328679212c21d9fb5d420038f762bfd94a9446b16c0f440","first_computed_at":"2026-05-18T00:22:44.306955Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:22:44.306955Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OITWtpSXQlK5tu2J9mg+n0pLOKZic5UxpkWkQKJRa1U6znVp1IOvewfwuSYYW6WOROMjNFhfQFL1Y0B16/qVBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:22:44.307395Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.07091","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:56b0c95d7649b5bc81af020acd3acadb5000585e43109c62ead60db9c75c01b3","sha256:233c912bd1d90c9ce3a571d949a16112c368876539bf073a8f3fd8d84ee0cb4d"],"state_sha256":"39c2caf3621233a7f235e8cba7b2a79ddfde708ffd5335432b3d1a46df4caeee"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lchLeoISw7GkEmzzHmwEUuI3cZlJkrgV6e8U6ZWpE+mYV539KkNOFtvshGFeu/BQeGmlUGj14VbXV1WFxOH4CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T04:41:26.712096Z","bundle_sha256":"6354059e3fc116e2a21489380556740b4c439a1b999da772c6ce8a17caab07b1"}}