{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:ZVRVX3FMATLUK37ZAG3GIB3DUN","short_pith_number":"pith:ZVRVX3FM","canonical_record":{"source":{"id":"1706.05792","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-06-19T05:31:07Z","cross_cats_sorted":[],"title_canon_sha256":"f1ff2c2f4dba716ee8f21ff88deada825323ac467359707692accc037b98e1c0","abstract_canon_sha256":"3f9166e6431dbf6412914df17ec8bc2419848a176a643d6cc55b56fecdbfd9f6"},"schema_version":"1.0"},"canonical_sha256":"cd635becac04d7456ff901b6640763a36d0e32c0b1a568f261dea5fb9402b041","source":{"kind":"arxiv","id":"1706.05792","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.05792","created_at":"2026-05-18T00:24:10Z"},{"alias_kind":"arxiv_version","alias_value":"1706.05792v1","created_at":"2026-05-18T00:24:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.05792","created_at":"2026-05-18T00:24:10Z"},{"alias_kind":"pith_short_12","alias_value":"ZVRVX3FMATLU","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZVRVX3FMATLUK37Z","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZVRVX3FM","created_at":"2026-05-18T12:31:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:ZVRVX3FMATLUK37ZAG3GIB3DUN","target":"record","payload":{"canonical_record":{"source":{"id":"1706.05792","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-06-19T05:31:07Z","cross_cats_sorted":[],"title_canon_sha256":"f1ff2c2f4dba716ee8f21ff88deada825323ac467359707692accc037b98e1c0","abstract_canon_sha256":"3f9166e6431dbf6412914df17ec8bc2419848a176a643d6cc55b56fecdbfd9f6"},"schema_version":"1.0"},"canonical_sha256":"cd635becac04d7456ff901b6640763a36d0e32c0b1a568f261dea5fb9402b041","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:24:10.113681Z","signature_b64":"a5sgM04/4Dkc0S5d5eFMoUmdEin3zjimGBWV0hwSUi2YqLV7elV2kDBS0XPyP9hCZkoxdM5KRnoSNPJDLS+MAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cd635becac04d7456ff901b6640763a36d0e32c0b1a568f261dea5fb9402b041","last_reissued_at":"2026-05-18T00:24:10.113175Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:24:10.113175Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1706.05792","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":"2026-05-18T00:24:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"umx2XOVgaNpyiFEBVf9u7fTtSGJTPLXU2LusT8yKEz6eeRrHaoqvQRRQ3RUbftnocSfsgy18bfz1wzJRld/4BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T15:54:39.551346Z"},"content_sha256":"44af0f0fe8d6f4d04205d14c5813412942d4b8908d745d5eccc9948f0c543606","schema_version":"1.0","event_id":"sha256:44af0f0fe8d6f4d04205d14c5813412942d4b8908d745d5eccc9948f0c543606"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:ZVRVX3FMATLUK37ZAG3GIB3DUN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optical chirality from dark-field illumination of planar plasmonic nanostructures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Arnan Mitchell, Ben Hopkins, Dapeng Wang, Jiao Lin, Timothy J. Davis, Xiao-Cong Yuan, Yongsop Hwang","submitted_at":"2017-06-19T05:31:07Z","abstract_excerpt":"Dark-field illumination is shown to make planar chiral nanoparticle arrangements exhibit circular dichroism in extinction analogous to true chiral scatterers. Circular dichrosim is experimentally observed at the maximum scattering of single oligomers consisting rotationally symmetric arrangements of gold nanorods, with strong agreement to numerical simulation. A dipole model is developed to show that this effect is caused by a difference in the geometric projection of a nanorod onto the handed orientation of electric fields created by a circularly polarized dark-field that is normally incident"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.05792","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":"2026-05-18T00:24:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Lk/QxH4H8LUzYEr1zrrKEVbg45/yQcWHMjtSzqCLCDnSe/KPR9BUXaJsUF0418A9qLk7Bu3wateIf1p6uybYBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T15:54:39.551974Z"},"content_sha256":"821bb0a8d1f3afce067856f261ca2a8ba15c46cec957c9b3a97454e2ddbb5e32","schema_version":"1.0","event_id":"sha256:821bb0a8d1f3afce067856f261ca2a8ba15c46cec957c9b3a97454e2ddbb5e32"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZVRVX3FMATLUK37ZAG3GIB3DUN/bundle.json","state_url":"https://pith.science/pith/ZVRVX3FMATLUK37ZAG3GIB3DUN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZVRVX3FMATLUK37ZAG3GIB3DUN/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":"2026-05-27T15:54:39Z","links":{"resolver":"https://pith.science/pith/ZVRVX3FMATLUK37ZAG3GIB3DUN","bundle":"https://pith.science/pith/ZVRVX3FMATLUK37ZAG3GIB3DUN/bundle.json","state":"https://pith.science/pith/ZVRVX3FMATLUK37ZAG3GIB3DUN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZVRVX3FMATLUK37ZAG3GIB3DUN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:ZVRVX3FMATLUK37ZAG3GIB3DUN","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":"3f9166e6431dbf6412914df17ec8bc2419848a176a643d6cc55b56fecdbfd9f6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-06-19T05:31:07Z","title_canon_sha256":"f1ff2c2f4dba716ee8f21ff88deada825323ac467359707692accc037b98e1c0"},"schema_version":"1.0","source":{"id":"1706.05792","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.05792","created_at":"2026-05-18T00:24:10Z"},{"alias_kind":"arxiv_version","alias_value":"1706.05792v1","created_at":"2026-05-18T00:24:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.05792","created_at":"2026-05-18T00:24:10Z"},{"alias_kind":"pith_short_12","alias_value":"ZVRVX3FMATLU","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZVRVX3FMATLUK37Z","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZVRVX3FM","created_at":"2026-05-18T12:31:59Z"}],"graph_snapshots":[{"event_id":"sha256:821bb0a8d1f3afce067856f261ca2a8ba15c46cec957c9b3a97454e2ddbb5e32","target":"graph","created_at":"2026-05-18T00:24:10Z","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":"Dark-field illumination is shown to make planar chiral nanoparticle arrangements exhibit circular dichroism in extinction analogous to true chiral scatterers. Circular dichrosim is experimentally observed at the maximum scattering of single oligomers consisting rotationally symmetric arrangements of gold nanorods, with strong agreement to numerical simulation. A dipole model is developed to show that this effect is caused by a difference in the geometric projection of a nanorod onto the handed orientation of electric fields created by a circularly polarized dark-field that is normally incident","authors_text":"Arnan Mitchell, Ben Hopkins, Dapeng Wang, Jiao Lin, Timothy J. Davis, Xiao-Cong Yuan, Yongsop Hwang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-06-19T05:31:07Z","title":"Optical chirality from dark-field illumination of planar plasmonic nanostructures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.05792","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":"sha256:44af0f0fe8d6f4d04205d14c5813412942d4b8908d745d5eccc9948f0c543606","target":"record","created_at":"2026-05-18T00:24:10Z","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":"3f9166e6431dbf6412914df17ec8bc2419848a176a643d6cc55b56fecdbfd9f6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-06-19T05:31:07Z","title_canon_sha256":"f1ff2c2f4dba716ee8f21ff88deada825323ac467359707692accc037b98e1c0"},"schema_version":"1.0","source":{"id":"1706.05792","kind":"arxiv","version":1}},"canonical_sha256":"cd635becac04d7456ff901b6640763a36d0e32c0b1a568f261dea5fb9402b041","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cd635becac04d7456ff901b6640763a36d0e32c0b1a568f261dea5fb9402b041","first_computed_at":"2026-05-18T00:24:10.113175Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:24:10.113175Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"a5sgM04/4Dkc0S5d5eFMoUmdEin3zjimGBWV0hwSUi2YqLV7elV2kDBS0XPyP9hCZkoxdM5KRnoSNPJDLS+MAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:24:10.113681Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.05792","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:44af0f0fe8d6f4d04205d14c5813412942d4b8908d745d5eccc9948f0c543606","sha256:821bb0a8d1f3afce067856f261ca2a8ba15c46cec957c9b3a97454e2ddbb5e32"],"state_sha256":"1e4cb30aeff7bc3147476fbface40177ce1b5495c399eb66c7d4590e7fd0b5ab"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q99UfZfC9qRoxRLp1hZeD9rILuDN0Wc1V+ycxefR7wmkN/wuka1yHK1p3B/C7mYb6AFWuAfK1HgzW9QG3WK+Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T15:54:39.555434Z","bundle_sha256":"a17e48cf18e48448685c5ca744cd16ca0e92c81399fae052a7c9625b33f81863"}}