{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:JICHVYUIWEVIK5BDADFMZP5YIP","short_pith_number":"pith:JICHVYUI","canonical_record":{"source":{"id":"2406.05016","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2024-06-07T15:30:24Z","cross_cats_sorted":[],"title_canon_sha256":"d9eb2e7175cdd552a13badd0c352b7863106b469e0acfeeed64be7add5f5dac1","abstract_canon_sha256":"4d1650e5d7a49f86e2c1c83767485bc898457610dc109b465b034734891e0ada"},"schema_version":"1.0"},"canonical_sha256":"4a047ae288b12a85742300caccbfb843eb264359e1351b0b31ff860123581345","source":{"kind":"arxiv","id":"2406.05016","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.05016","created_at":"2026-07-05T08:28:52Z"},{"alias_kind":"arxiv_version","alias_value":"2406.05016v1","created_at":"2026-07-05T08:28:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.05016","created_at":"2026-07-05T08:28:52Z"},{"alias_kind":"pith_short_12","alias_value":"JICHVYUIWEVI","created_at":"2026-07-05T08:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"JICHVYUIWEVIK5BD","created_at":"2026-07-05T08:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"JICHVYUI","created_at":"2026-07-05T08:28:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:JICHVYUIWEVIK5BDADFMZP5YIP","target":"record","payload":{"canonical_record":{"source":{"id":"2406.05016","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2024-06-07T15:30:24Z","cross_cats_sorted":[],"title_canon_sha256":"d9eb2e7175cdd552a13badd0c352b7863106b469e0acfeeed64be7add5f5dac1","abstract_canon_sha256":"4d1650e5d7a49f86e2c1c83767485bc898457610dc109b465b034734891e0ada"},"schema_version":"1.0"},"canonical_sha256":"4a047ae288b12a85742300caccbfb843eb264359e1351b0b31ff860123581345","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:28:52.266461Z","signature_b64":"L79bUJbPmIY8LuqqRbhE2+I/Ztqo+A5XL4jHugjoQkFQXIaIzb7k/6jz96ULdBTkSklhy962+hPCx9mv99lxBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4a047ae288b12a85742300caccbfb843eb264359e1351b0b31ff860123581345","last_reissued_at":"2026-07-05T08:28:52.265923Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:28:52.265923Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2406.05016","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":"2026-07-05T08:28:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jgd2dJ2PeGEcb8fFmyBq00cyorNgWrgXrRJuFoKPP1IjzakhieL9KoE+zQiimUGkmzWnotABxpv/TFfP2M4dBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T20:28:16.842619Z"},"content_sha256":"7fbcd47c9a774b826191e1c06e40849985c0fc8410520abf63791cac6515007f","schema_version":"1.0","event_id":"sha256:7fbcd47c9a774b826191e1c06e40849985c0fc8410520abf63791cac6515007f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:JICHVYUIWEVIK5BDADFMZP5YIP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nano-Focusing of Vortex Beams with Hyperbolic Metamaterials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Anthony Clabeau, Evan Simmons, Jacob LaMountain, Jason D. Myers, Jesse Frantz, Natalia M. Litchinitser, Robel Y. Bekele, Takashige Omatsu, Viktor A. Podolskiy, Wenhao Li","submitted_at":"2024-06-07T15:30:24Z","abstract_excerpt":"The synergy of judiciously engineered nanostructures and complex topology of light creates unprecedented opportunities for tailoring light-matter interactions on the nanoscale. Electromagnetic waves can carry multiple units of angular momentum per photon, stemming from both spin and orbital angular momentum contributions, offering a potential route for modifying the optical transition selection rules. However, the size difference between a vortex beam and quantum objects limits the interaction strength and the angular momentum exchange. Here, we demonstrate the sub-diffraction-limited focusing"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.05016","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/2406.05016/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":"2026-07-05T08:28:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OgsPKSFHM4WzOTr9FTLhsujDQhQ55MrYJWwkXlU4gr2vEpdEpcjfVxGs2nMadVzbMMxc2d9c7HFMqIFEqlFCAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T20:28:16.843003Z"},"content_sha256":"7587b1d1e82a13d57395fef7856e1a0fde8d1d1722f830515b31a21997a4ed9b","schema_version":"1.0","event_id":"sha256:7587b1d1e82a13d57395fef7856e1a0fde8d1d1722f830515b31a21997a4ed9b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JICHVYUIWEVIK5BDADFMZP5YIP/bundle.json","state_url":"https://pith.science/pith/JICHVYUIWEVIK5BDADFMZP5YIP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JICHVYUIWEVIK5BDADFMZP5YIP/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":"2026-07-08T20:28:16Z","links":{"resolver":"https://pith.science/pith/JICHVYUIWEVIK5BDADFMZP5YIP","bundle":"https://pith.science/pith/JICHVYUIWEVIK5BDADFMZP5YIP/bundle.json","state":"https://pith.science/pith/JICHVYUIWEVIK5BDADFMZP5YIP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JICHVYUIWEVIK5BDADFMZP5YIP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:JICHVYUIWEVIK5BDADFMZP5YIP","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":"4d1650e5d7a49f86e2c1c83767485bc898457610dc109b465b034734891e0ada","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2024-06-07T15:30:24Z","title_canon_sha256":"d9eb2e7175cdd552a13badd0c352b7863106b469e0acfeeed64be7add5f5dac1"},"schema_version":"1.0","source":{"id":"2406.05016","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.05016","created_at":"2026-07-05T08:28:52Z"},{"alias_kind":"arxiv_version","alias_value":"2406.05016v1","created_at":"2026-07-05T08:28:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.05016","created_at":"2026-07-05T08:28:52Z"},{"alias_kind":"pith_short_12","alias_value":"JICHVYUIWEVI","created_at":"2026-07-05T08:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"JICHVYUIWEVIK5BD","created_at":"2026-07-05T08:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"JICHVYUI","created_at":"2026-07-05T08:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:7587b1d1e82a13d57395fef7856e1a0fde8d1d1722f830515b31a21997a4ed9b","target":"graph","created_at":"2026-07-05T08:28:52Z","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/2406.05016/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The synergy of judiciously engineered nanostructures and complex topology of light creates unprecedented opportunities for tailoring light-matter interactions on the nanoscale. Electromagnetic waves can carry multiple units of angular momentum per photon, stemming from both spin and orbital angular momentum contributions, offering a potential route for modifying the optical transition selection rules. However, the size difference between a vortex beam and quantum objects limits the interaction strength and the angular momentum exchange. Here, we demonstrate the sub-diffraction-limited focusing","authors_text":"Anthony Clabeau, Evan Simmons, Jacob LaMountain, Jason D. Myers, Jesse Frantz, Natalia M. Litchinitser, Robel Y. Bekele, Takashige Omatsu, Viktor A. Podolskiy, Wenhao Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2024-06-07T15:30:24Z","title":"Nano-Focusing of Vortex Beams with Hyperbolic Metamaterials"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.05016","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":"sha256:7fbcd47c9a774b826191e1c06e40849985c0fc8410520abf63791cac6515007f","target":"record","created_at":"2026-07-05T08:28:52Z","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":"4d1650e5d7a49f86e2c1c83767485bc898457610dc109b465b034734891e0ada","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2024-06-07T15:30:24Z","title_canon_sha256":"d9eb2e7175cdd552a13badd0c352b7863106b469e0acfeeed64be7add5f5dac1"},"schema_version":"1.0","source":{"id":"2406.05016","kind":"arxiv","version":1}},"canonical_sha256":"4a047ae288b12a85742300caccbfb843eb264359e1351b0b31ff860123581345","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4a047ae288b12a85742300caccbfb843eb264359e1351b0b31ff860123581345","first_computed_at":"2026-07-05T08:28:52.265923Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:28:52.265923Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"L79bUJbPmIY8LuqqRbhE2+I/Ztqo+A5XL4jHugjoQkFQXIaIzb7k/6jz96ULdBTkSklhy962+hPCx9mv99lxBA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:28:52.266461Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.05016","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7fbcd47c9a774b826191e1c06e40849985c0fc8410520abf63791cac6515007f","sha256:7587b1d1e82a13d57395fef7856e1a0fde8d1d1722f830515b31a21997a4ed9b"],"state_sha256":"0c794830d25ad66d0df91f886e1789d6fca30b96ca3ef8cb535e8c40652096b5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yWTkuwD4EIZS9/bDIWd1gJ056YC+oBOmZXf5duijkHHEF/LMFbfjNRP8deOG0QoOJhuI2uEw+SRdeVfJ4VdcBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T20:28:16.845161Z","bundle_sha256":"874ed245bea4dd3037db4787864ef793c446617cf4cae1fe71ed1c2b99355559"}}