{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:QZ4PB3HJGUOSKPB7KFBN2MWC46","short_pith_number":"pith:QZ4PB3HJ","canonical_record":{"source":{"id":"physics/0512190","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"physics.optics","submitted_at":"2005-12-21T19:08:56Z","cross_cats_sorted":[],"title_canon_sha256":"23ba5e6a0c382b287a0025b85fed05b56b19a4d4b8582397ce11441593ed4a48","abstract_canon_sha256":"91a38bf28d27db45c6f32c7d369ba49b3bbdc3a87b5d809aa72f61b659692e55"},"schema_version":"1.0"},"canonical_sha256":"8678f0ece9351d253c3f5142dd32c2e78f62faa836debafaa23a1e2455a3781b","source":{"kind":"arxiv","id":"physics/0512190","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0512190","created_at":"2026-05-18T01:08:46Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0512190v1","created_at":"2026-05-18T01:08:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0512190","created_at":"2026-05-18T01:08:46Z"},{"alias_kind":"pith_short_12","alias_value":"QZ4PB3HJGUOS","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"QZ4PB3HJGUOSKPB7","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"QZ4PB3HJ","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:QZ4PB3HJGUOSKPB7KFBN2MWC46","target":"record","payload":{"canonical_record":{"source":{"id":"physics/0512190","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"physics.optics","submitted_at":"2005-12-21T19:08:56Z","cross_cats_sorted":[],"title_canon_sha256":"23ba5e6a0c382b287a0025b85fed05b56b19a4d4b8582397ce11441593ed4a48","abstract_canon_sha256":"91a38bf28d27db45c6f32c7d369ba49b3bbdc3a87b5d809aa72f61b659692e55"},"schema_version":"1.0"},"canonical_sha256":"8678f0ece9351d253c3f5142dd32c2e78f62faa836debafaa23a1e2455a3781b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:08:46.533252Z","signature_b64":"MmL+y5UnS5wSzj3bZteZ+RRRyN/tpAi9jswV2NvY6JyIl/zIMbJMw/C9NNTfC+AseIAidnYBMQrv4Sbn65UGBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8678f0ece9351d253c3f5142dd32c2e78f62faa836debafaa23a1e2455a3781b","last_reissued_at":"2026-05-18T01:08:46.532682Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:08:46.532682Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"physics/0512190","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":"2026-05-18T01:08:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K5QXTk46th1oX/I4e6rw3ghLm33D2fsoIUju1CYtOjtA/HsWv2OEihx6euvIcSssgF6W8sn6OI39SWFOH9xIDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T21:20:49.513290Z"},"content_sha256":"f2684a011dbdd145168006d47a4f4ead351474305bfd6fb3ab9b28c8ee76d929","schema_version":"1.0","event_id":"sha256:f2684a011dbdd145168006d47a4f4ead351474305bfd6fb3ab9b28c8ee76d929"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:QZ4PB3HJGUOSKPB7KFBN2MWC46","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"$\\beta$-BaB$_2$O$_4$ deep UV monolithic walk-off compensating tandem","license":"","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"A. Yelisseyev, E.M. Rasel, J. Friebe, J.-J. Zondy, K. Moldenhauer, L. Isaenko, W. Ertmer","submitted_at":"2005-12-21T19:08:56Z","abstract_excerpt":"The generation of watt-level cw narrow-linewidth sources at specific deep UV wavelengths corresponding to atomic cooling transitions usually employs external cavity-enhanced second-harmonic generation (SHG) of moderate-power visible lasers in birefringent materials. In this work, we investigate a novel approach to cw deep-UV generation by employing the low-loss BBO in a monolithic walkoff-compensating structure [Zondy {\\it{et al}}, J. Opt. Soc. Am. B {\\bf{20}} (2003) 1675] to simultaneously enhance the effective nonlinear coefficient while minimizing the UV beam ellipticity under tight focusin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0512190","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":"2026-05-18T01:08:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wbFFdUOmtqoMIMLcBHqpQcIPsx2YYkqsjdmMVnOGvEMIJaYfOJ6ISyY9zT8XIAoSE9UJi0eP5QCW8Fz36JPxBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T21:20:49.513667Z"},"content_sha256":"5ca6acc82334b8e0cf3b2611dad86f716d7952446c14ccc1f576cabcd257d0c3","schema_version":"1.0","event_id":"sha256:5ca6acc82334b8e0cf3b2611dad86f716d7952446c14ccc1f576cabcd257d0c3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QZ4PB3HJGUOSKPB7KFBN2MWC46/bundle.json","state_url":"https://pith.science/pith/QZ4PB3HJGUOSKPB7KFBN2MWC46/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QZ4PB3HJGUOSKPB7KFBN2MWC46/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":"2026-06-01T21:20:49Z","links":{"resolver":"https://pith.science/pith/QZ4PB3HJGUOSKPB7KFBN2MWC46","bundle":"https://pith.science/pith/QZ4PB3HJGUOSKPB7KFBN2MWC46/bundle.json","state":"https://pith.science/pith/QZ4PB3HJGUOSKPB7KFBN2MWC46/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QZ4PB3HJGUOSKPB7KFBN2MWC46/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:QZ4PB3HJGUOSKPB7KFBN2MWC46","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":"91a38bf28d27db45c6f32c7d369ba49b3bbdc3a87b5d809aa72f61b659692e55","cross_cats_sorted":[],"license":"","primary_cat":"physics.optics","submitted_at":"2005-12-21T19:08:56Z","title_canon_sha256":"23ba5e6a0c382b287a0025b85fed05b56b19a4d4b8582397ce11441593ed4a48"},"schema_version":"1.0","source":{"id":"physics/0512190","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0512190","created_at":"2026-05-18T01:08:46Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0512190v1","created_at":"2026-05-18T01:08:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0512190","created_at":"2026-05-18T01:08:46Z"},{"alias_kind":"pith_short_12","alias_value":"QZ4PB3HJGUOS","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"QZ4PB3HJGUOSKPB7","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"QZ4PB3HJ","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:5ca6acc82334b8e0cf3b2611dad86f716d7952446c14ccc1f576cabcd257d0c3","target":"graph","created_at":"2026-05-18T01:08:46Z","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":"The generation of watt-level cw narrow-linewidth sources at specific deep UV wavelengths corresponding to atomic cooling transitions usually employs external cavity-enhanced second-harmonic generation (SHG) of moderate-power visible lasers in birefringent materials. In this work, we investigate a novel approach to cw deep-UV generation by employing the low-loss BBO in a monolithic walkoff-compensating structure [Zondy {\\it{et al}}, J. Opt. Soc. Am. B {\\bf{20}} (2003) 1675] to simultaneously enhance the effective nonlinear coefficient while minimizing the UV beam ellipticity under tight focusin","authors_text":"A. Yelisseyev, E.M. Rasel, J. Friebe, J.-J. Zondy, K. Moldenhauer, L. Isaenko, W. Ertmer","cross_cats":[],"headline":"","license":"","primary_cat":"physics.optics","submitted_at":"2005-12-21T19:08:56Z","title":"$\\beta$-BaB$_2$O$_4$ deep UV monolithic walk-off compensating tandem"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0512190","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:f2684a011dbdd145168006d47a4f4ead351474305bfd6fb3ab9b28c8ee76d929","target":"record","created_at":"2026-05-18T01:08:46Z","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":"91a38bf28d27db45c6f32c7d369ba49b3bbdc3a87b5d809aa72f61b659692e55","cross_cats_sorted":[],"license":"","primary_cat":"physics.optics","submitted_at":"2005-12-21T19:08:56Z","title_canon_sha256":"23ba5e6a0c382b287a0025b85fed05b56b19a4d4b8582397ce11441593ed4a48"},"schema_version":"1.0","source":{"id":"physics/0512190","kind":"arxiv","version":1}},"canonical_sha256":"8678f0ece9351d253c3f5142dd32c2e78f62faa836debafaa23a1e2455a3781b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8678f0ece9351d253c3f5142dd32c2e78f62faa836debafaa23a1e2455a3781b","first_computed_at":"2026-05-18T01:08:46.532682Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:08:46.532682Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MmL+y5UnS5wSzj3bZteZ+RRRyN/tpAi9jswV2NvY6JyIl/zIMbJMw/C9NNTfC+AseIAidnYBMQrv4Sbn65UGBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:08:46.533252Z","signed_message":"canonical_sha256_bytes"},"source_id":"physics/0512190","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f2684a011dbdd145168006d47a4f4ead351474305bfd6fb3ab9b28c8ee76d929","sha256:5ca6acc82334b8e0cf3b2611dad86f716d7952446c14ccc1f576cabcd257d0c3"],"state_sha256":"9df8897535476fb394fe84bfdba8892c77c80bcf7c1d8df3066695c41229f488"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qFqSPJSx+ZzmKdcycxGsap+7bwFlu9OZZIgTetgKUaKNDcICJHkXuOYdnJaFe63xJjbKQyXF53e0LEIF8cDtBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T21:20:49.515628Z","bundle_sha256":"aa37e1ea2c56cc2de087fa3cb8b3d7cbaec6df877c776cb27b4f4493a90bdf22"}}