{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:OYTZI2N3NZPYNZFNIYM2W6W46Q","short_pith_number":"pith:OYTZI2N3","canonical_record":{"source":{"id":"1406.7209","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-06-27T15:23:33Z","cross_cats_sorted":["cond-mat.mtrl-sci","quant-ph"],"title_canon_sha256":"85473054ef4f158fee7a67f1b2469acfac8514b9ac59175bc8c31e872a084631","abstract_canon_sha256":"e6598adbf5b75ccf9a5d74811efcbee5709aead2339253d4dec5822f6a18d114"},"schema_version":"1.0"},"canonical_sha256":"76279469bb6e5f86e4ad4619ab7adcf436c55e56ea921d5fd0493bfc2b327c7e","source":{"kind":"arxiv","id":"1406.7209","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.7209","created_at":"2026-05-18T01:42:45Z"},{"alias_kind":"arxiv_version","alias_value":"1406.7209v2","created_at":"2026-05-18T01:42:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.7209","created_at":"2026-05-18T01:42:45Z"},{"alias_kind":"pith_short_12","alias_value":"OYTZI2N3NZPY","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"OYTZI2N3NZPYNZFN","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"OYTZI2N3","created_at":"2026-05-18T12:28:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:OYTZI2N3NZPYNZFNIYM2W6W46Q","target":"record","payload":{"canonical_record":{"source":{"id":"1406.7209","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-06-27T15:23:33Z","cross_cats_sorted":["cond-mat.mtrl-sci","quant-ph"],"title_canon_sha256":"85473054ef4f158fee7a67f1b2469acfac8514b9ac59175bc8c31e872a084631","abstract_canon_sha256":"e6598adbf5b75ccf9a5d74811efcbee5709aead2339253d4dec5822f6a18d114"},"schema_version":"1.0"},"canonical_sha256":"76279469bb6e5f86e4ad4619ab7adcf436c55e56ea921d5fd0493bfc2b327c7e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:45.784792Z","signature_b64":"sz682XZuF59VJWHSfeEE+Horro/NBgBm9Stmhd6d48r+x40Fda8o0YWFA/MafOTUy2/n3g/qpvnrvaLgFQpeAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"76279469bb6e5f86e4ad4619ab7adcf436c55e56ea921d5fd0493bfc2b327c7e","last_reissued_at":"2026-05-18T01:42:45.784178Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:45.784178Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1406.7209","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":"2026-05-18T01:42:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qsZkiSLr+ZBtWyS2r/Zgbwq/GTECf8TVRK2IBd84U+unclQtjGyPuYxHn5q+Gb20kr9Kbs4M7810DeRgTrzFDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T16:59:15.727240Z"},"content_sha256":"4658d7aa08fe8576827fce475188a5b2fdd461320a142445fb4903a222ecccd8","schema_version":"1.0","event_id":"sha256:4658d7aa08fe8576827fce475188a5b2fdd461320a142445fb4903a222ecccd8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:OYTZI2N3NZPYNZFNIYM2W6W46Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Microscopic diamond Solid-Immersion-Lenses fabricated around single defect ceneters by focussed ion beam milling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","quant-ph"],"primary_cat":"physics.optics","authors_text":"Helmut Fedder, Ilja Gerhardt, J\\\"org Wrachtrup, Karsten Frenner, Mohammad Jamali, Mohammad Rezai","submitted_at":"2014-06-27T15:23:33Z","abstract_excerpt":"Recent efforts to define microscopic solid-immersion-lenses (SIL) by focused ion beam milling into diamond substrates that are registered to a preselected single photon emitter are summarized. We show how we determine the position of a single emitter with at least 100 nm lateral and 500 nm axial accuracy, and how the milling procedure is optimized. The characteristics of a single emitter, a Nitrogen Vacancy (NV) center in diamond, are measured before and after producing the SIL and compared with each other. A count rate of 1.0 million counts per second is achieved with a $[111]$ oriented NV ce"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.7209","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":"2026-05-18T01:42:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z48LT09ez38kVyb7NcjTuQb+1gu1qC6hzP+UH6JIPK2Xc4Ur+IHdpM3ix3+ye5ir3GRqv5BD11f1Q9R+W2+TBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T16:59:15.727906Z"},"content_sha256":"731a7358e2db4984f44e215f562b6110c8185a2cf5a0d7598ea95e7a09fc6cb1","schema_version":"1.0","event_id":"sha256:731a7358e2db4984f44e215f562b6110c8185a2cf5a0d7598ea95e7a09fc6cb1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OYTZI2N3NZPYNZFNIYM2W6W46Q/bundle.json","state_url":"https://pith.science/pith/OYTZI2N3NZPYNZFNIYM2W6W46Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OYTZI2N3NZPYNZFNIYM2W6W46Q/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":"2026-05-27T16:59:15Z","links":{"resolver":"https://pith.science/pith/OYTZI2N3NZPYNZFNIYM2W6W46Q","bundle":"https://pith.science/pith/OYTZI2N3NZPYNZFNIYM2W6W46Q/bundle.json","state":"https://pith.science/pith/OYTZI2N3NZPYNZFNIYM2W6W46Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OYTZI2N3NZPYNZFNIYM2W6W46Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:OYTZI2N3NZPYNZFNIYM2W6W46Q","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":"e6598adbf5b75ccf9a5d74811efcbee5709aead2339253d4dec5822f6a18d114","cross_cats_sorted":["cond-mat.mtrl-sci","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-06-27T15:23:33Z","title_canon_sha256":"85473054ef4f158fee7a67f1b2469acfac8514b9ac59175bc8c31e872a084631"},"schema_version":"1.0","source":{"id":"1406.7209","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.7209","created_at":"2026-05-18T01:42:45Z"},{"alias_kind":"arxiv_version","alias_value":"1406.7209v2","created_at":"2026-05-18T01:42:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.7209","created_at":"2026-05-18T01:42:45Z"},{"alias_kind":"pith_short_12","alias_value":"OYTZI2N3NZPY","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"OYTZI2N3NZPYNZFN","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"OYTZI2N3","created_at":"2026-05-18T12:28:43Z"}],"graph_snapshots":[{"event_id":"sha256:731a7358e2db4984f44e215f562b6110c8185a2cf5a0d7598ea95e7a09fc6cb1","target":"graph","created_at":"2026-05-18T01:42:45Z","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":"Recent efforts to define microscopic solid-immersion-lenses (SIL) by focused ion beam milling into diamond substrates that are registered to a preselected single photon emitter are summarized. We show how we determine the position of a single emitter with at least 100 nm lateral and 500 nm axial accuracy, and how the milling procedure is optimized. The characteristics of a single emitter, a Nitrogen Vacancy (NV) center in diamond, are measured before and after producing the SIL and compared with each other. A count rate of 1.0 million counts per second is achieved with a $[111]$ oriented NV ce","authors_text":"Helmut Fedder, Ilja Gerhardt, J\\\"org Wrachtrup, Karsten Frenner, Mohammad Jamali, Mohammad Rezai","cross_cats":["cond-mat.mtrl-sci","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-06-27T15:23:33Z","title":"Microscopic diamond Solid-Immersion-Lenses fabricated around single defect ceneters by focussed ion beam milling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.7209","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":"sha256:4658d7aa08fe8576827fce475188a5b2fdd461320a142445fb4903a222ecccd8","target":"record","created_at":"2026-05-18T01:42:45Z","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":"e6598adbf5b75ccf9a5d74811efcbee5709aead2339253d4dec5822f6a18d114","cross_cats_sorted":["cond-mat.mtrl-sci","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-06-27T15:23:33Z","title_canon_sha256":"85473054ef4f158fee7a67f1b2469acfac8514b9ac59175bc8c31e872a084631"},"schema_version":"1.0","source":{"id":"1406.7209","kind":"arxiv","version":2}},"canonical_sha256":"76279469bb6e5f86e4ad4619ab7adcf436c55e56ea921d5fd0493bfc2b327c7e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"76279469bb6e5f86e4ad4619ab7adcf436c55e56ea921d5fd0493bfc2b327c7e","first_computed_at":"2026-05-18T01:42:45.784178Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:45.784178Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sz682XZuF59VJWHSfeEE+Horro/NBgBm9Stmhd6d48r+x40Fda8o0YWFA/MafOTUy2/n3g/qpvnrvaLgFQpeAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:45.784792Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.7209","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4658d7aa08fe8576827fce475188a5b2fdd461320a142445fb4903a222ecccd8","sha256:731a7358e2db4984f44e215f562b6110c8185a2cf5a0d7598ea95e7a09fc6cb1"],"state_sha256":"db52d3a170a93936b9d9c2a486ac52aadf3cbbb7e6aace2c680765b8ade982ae"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"13ERJ+ARSLCoh4X9RVn+tUmNquMwnFz4/M+9fY9DfJEjXkSpqgNH9mSeYEO9Yj7bdLqs933BGQ33R0pqOmPhDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T16:59:15.731366Z","bundle_sha256":"43822cbdcf5eac8aad2bbaa97c25098de9039f575b665b59cb87e64865f7d413"}}