{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:4FBHXTACUBAAJXUZIKWW4X5NRE","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":"f53eca19787745d5da30d01e5ac4d53d98818b36ee03663ebcdfbdcf80a03d0a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-12-27T12:02:05Z","title_canon_sha256":"6b332b21f67a741ec406b04ddf70c78b794bfd8a04ff392073a90414866ee65a"},"schema_version":"1.0","source":{"id":"1512.08208","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.08208","created_at":"2026-05-18T01:16:34Z"},{"alias_kind":"arxiv_version","alias_value":"1512.08208v2","created_at":"2026-05-18T01:16:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.08208","created_at":"2026-05-18T01:16:34Z"},{"alias_kind":"pith_short_12","alias_value":"4FBHXTACUBAA","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"4FBHXTACUBAAJXUZ","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"4FBHXTAC","created_at":"2026-05-18T12:29:05Z"}],"graph_snapshots":[{"event_id":"sha256:1eb94567966644175b7fa79fe3967b9a2d0c6232b1a6c1c40586367994e09611","target":"graph","created_at":"2026-05-18T01:16:34Z","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":"Optically-transparent immersion liquids with refractive index (n ~ 1.77) to match sapphire-based aplanatic numerical aperture increasing lens (aNAIL) are necessary for achieving deep 3D imaging with high spatial resolution. We report that antimony tribromide (SbBr$_{3}$) salt dissolved in liquid diiodomethane (CH$_{2}$I$_{2}$) provides a new high refractive index immersion liquid for optics applications. The refractive index is tunable from n = 1.74 (pure) to n = 1.873 (saturated), by adjusting either salt concentration or temperature; this allows it to match (or even exceed) the refractive in","authors_text":"Junaid M. Laskar, Karen E. Daniels, Matthias Schr\\\"oter, P. Shravan Kumar, Stephan Herminghaus","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-12-27T12:02:05Z","title":"High refractive index immersion liquid for super-resolution 3D imaging using sapphire-based aNAIL optics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.08208","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":"sha256:2054ba883b0e27ef38203b801f8f8b1e5e541e2d054288627e33cfa34f36cd4d","target":"record","created_at":"2026-05-18T01:16:34Z","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":"f53eca19787745d5da30d01e5ac4d53d98818b36ee03663ebcdfbdcf80a03d0a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-12-27T12:02:05Z","title_canon_sha256":"6b332b21f67a741ec406b04ddf70c78b794bfd8a04ff392073a90414866ee65a"},"schema_version":"1.0","source":{"id":"1512.08208","kind":"arxiv","version":2}},"canonical_sha256":"e1427bcc02a04004de9942ad6e5fad89158b4aeb2fd3893feb156e259a3aaa28","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e1427bcc02a04004de9942ad6e5fad89158b4aeb2fd3893feb156e259a3aaa28","first_computed_at":"2026-05-18T01:16:34.756958Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:16:34.756958Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"L6SS4WHycdcMoy3RgtMiA7EVA83Igdye37Vyz4LQdrGaT42mPN7NG8B09YwQE735pHkNsmJTM4DpmJMTcifHCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:16:34.757601Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.08208","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2054ba883b0e27ef38203b801f8f8b1e5e541e2d054288627e33cfa34f36cd4d","sha256:1eb94567966644175b7fa79fe3967b9a2d0c6232b1a6c1c40586367994e09611"],"state_sha256":"84431bdf419eca077dbbc45a19d184f4dc42f3b459a19a011306fb01282e25db"}