{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:PZTLXRDF3H2RNOUWUVOPDIY5BL","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":"149e94fed7131dff026864e091337b0f612b68866b4dab7379b29ae7852d8560","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-06-22T03:52:08Z","title_canon_sha256":"5cdab5c09d0c2c7e7fbe820236b824568ceb159999ecfbad27ba9a58b29b5249"},"schema_version":"1.0","source":{"id":"1706.07858","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.07858","created_at":"2026-05-18T00:26:18Z"},{"alias_kind":"arxiv_version","alias_value":"1706.07858v2","created_at":"2026-05-18T00:26:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.07858","created_at":"2026-05-18T00:26:18Z"},{"alias_kind":"pith_short_12","alias_value":"PZTLXRDF3H2R","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"PZTLXRDF3H2RNOUW","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"PZTLXRDF","created_at":"2026-05-18T12:31:37Z"}],"graph_snapshots":[{"event_id":"sha256:03dd23f7dba54d95239376d173cc932852bbcf6e74deb6a2f1c7aec1602034f0","target":"graph","created_at":"2026-05-18T00:26:18Z","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":"High precision, high numerical aperture mirrors are desirable for mediating strong atom-light coupling in quantum optics applications and can also serve as important reference surfaces for optical metrology. In this work we demonstrate the fabrication of highly-precise hemispheric mirrors with numerical aperture NA = 0.996. The mirrors were fabricated from aluminum by single-point diamond turning using a stable ultra- precision lathe calibrated with an in-situ white-light interferometer. Our mirrors have a diameter of 25 mm and were characterized using a combination of wide-angle single- shot ","authors_text":"Ben C. Buchler, Daniel B. Higginbottom, Fengzhou Fang, Gabriel Araneda, Geoff T. Campbell, Ping Koy Lam, Yves Colombe","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-06-22T03:52:08Z","title":"Fabrication of Precision Hemispherical Mirrors for Quantum Optics Applications"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.07858","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:d901193333ff643e02ca186f58a7eb5bf6a12e4eecdc51892cb647d1e97f7a66","target":"record","created_at":"2026-05-18T00:26:18Z","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":"149e94fed7131dff026864e091337b0f612b68866b4dab7379b29ae7852d8560","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-06-22T03:52:08Z","title_canon_sha256":"5cdab5c09d0c2c7e7fbe820236b824568ceb159999ecfbad27ba9a58b29b5249"},"schema_version":"1.0","source":{"id":"1706.07858","kind":"arxiv","version":2}},"canonical_sha256":"7e66bbc465d9f516ba96a55cf1a31d0ada96a80e953cba5dc9b63e017fdb9beb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7e66bbc465d9f516ba96a55cf1a31d0ada96a80e953cba5dc9b63e017fdb9beb","first_computed_at":"2026-05-18T00:26:18.201988Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:26:18.201988Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Tet9Cd7ea+cO22BI8w3a50QYVs41D0EJN6NcFdlIkABtHeGC7LDOE93pQxr+a9QlDhyxYWz22SCVLKVwMYYTCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:26:18.202473Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.07858","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d901193333ff643e02ca186f58a7eb5bf6a12e4eecdc51892cb647d1e97f7a66","sha256:03dd23f7dba54d95239376d173cc932852bbcf6e74deb6a2f1c7aec1602034f0"],"state_sha256":"32dfa69d9ac06868a5a09119db6b85d0259a3823113378fe474d265d6a5d8d0e"}