{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:HJS2ZFAJIUD6IYXMIYTJLSLKQO","short_pith_number":"pith:HJS2ZFAJ","schema_version":"1.0","canonical_sha256":"3a65ac94094507e462ec462695c96a8384cec2ed37edd42bad49ebb4959c2302","source":{"kind":"arxiv","id":"1206.6551","version":1},"attestation_state":"computed","paper":{"title":"Suppression of the near-infrared OH night sky lines with fibre Bragg gratings - first results","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"A. J. Horton, B. Schmidt, C. G. Tinney, C. Trinh, H.-G. Loehmannsroeben, J. Bland-Hawthorn, J. Bryant, J. Lawrence, J. O.Byrne, J. Zheng, K. Freeman, K. Glazebrook, K. Shortridge, L. Gers, M. Colless, M. Roth, R. Haynes, S. Case, S. C. Ellis, S. G. Leon-Saval, S. Lee, S. Miziarski, W. Couch","submitted_at":"2012-06-28T02:17:08Z","abstract_excerpt":"The background noise between 1 and 1.8 microns in ground-based instruments is dominated by atmospheric emission from hydroxyl molecules. We have built and commissioned a new instrument, GNOSIS, which suppresses 103 OH doublets between 1.47 - 1.7 microns by a factor of ~1000 with a resolving power of ~10,000. We present the first results from the commissioning of GNOSIS using the IRIS2 spectrograph at the AAT. The combined throughput of the GNOSIS fore-optics, grating unit and relay optics is ~36 per cent, but this could be improved to ~46 per cent with a more optimal design. We measure strong "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1206.6551","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-06-28T02:17:08Z","cross_cats_sorted":[],"title_canon_sha256":"68696fa4a16146f77b065f1ec786a8bcd11fc98821c53c2f3a4caae0eee1a9cd","abstract_canon_sha256":"1ead815230e873f802cbd02928bf28af052652ffff72799d63e0bf1f9e4c001f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:56:41.043194Z","signature_b64":"1OWF+c7RBt+setstXWvQRmDMa2ezGTnGm8Xg6FEzCBSnul6OYnNJEKDWzqO9odhn8bfnScRmMbmgWiCEqyIfDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3a65ac94094507e462ec462695c96a8384cec2ed37edd42bad49ebb4959c2302","last_reissued_at":"2026-05-18T01:56:41.042730Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:56:41.042730Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Suppression of the near-infrared OH night sky lines with fibre Bragg gratings - first results","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"A. J. Horton, B. Schmidt, C. G. Tinney, C. Trinh, H.-G. Loehmannsroeben, J. Bland-Hawthorn, J. Bryant, J. Lawrence, J. O.Byrne, J. Zheng, K. Freeman, K. Glazebrook, K. Shortridge, L. Gers, M. Colless, M. Roth, R. Haynes, S. Case, S. C. Ellis, S. G. Leon-Saval, S. Lee, S. Miziarski, W. Couch","submitted_at":"2012-06-28T02:17:08Z","abstract_excerpt":"The background noise between 1 and 1.8 microns in ground-based instruments is dominated by atmospheric emission from hydroxyl molecules. We have built and commissioned a new instrument, GNOSIS, which suppresses 103 OH doublets between 1.47 - 1.7 microns by a factor of ~1000 with a resolving power of ~10,000. We present the first results from the commissioning of GNOSIS using the IRIS2 spectrograph at the AAT. The combined throughput of the GNOSIS fore-optics, grating unit and relay optics is ~36 per cent, but this could be improved to ~46 per cent with a more optimal design. We measure strong "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.6551","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1206.6551","created_at":"2026-05-18T01:56:41.042820+00:00"},{"alias_kind":"arxiv_version","alias_value":"1206.6551v1","created_at":"2026-05-18T01:56:41.042820+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.6551","created_at":"2026-05-18T01:56:41.042820+00:00"},{"alias_kind":"pith_short_12","alias_value":"HJS2ZFAJIUD6","created_at":"2026-05-18T12:27:09.501522+00:00"},{"alias_kind":"pith_short_16","alias_value":"HJS2ZFAJIUD6IYXM","created_at":"2026-05-18T12:27:09.501522+00:00"},{"alias_kind":"pith_short_8","alias_value":"HJS2ZFAJ","created_at":"2026-05-18T12:27:09.501522+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/HJS2ZFAJIUD6IYXMIYTJLSLKQO","json":"https://pith.science/pith/HJS2ZFAJIUD6IYXMIYTJLSLKQO.json","graph_json":"https://pith.science/api/pith-number/HJS2ZFAJIUD6IYXMIYTJLSLKQO/graph.json","events_json":"https://pith.science/api/pith-number/HJS2ZFAJIUD6IYXMIYTJLSLKQO/events.json","paper":"https://pith.science/paper/HJS2ZFAJ"},"agent_actions":{"view_html":"https://pith.science/pith/HJS2ZFAJIUD6IYXMIYTJLSLKQO","download_json":"https://pith.science/pith/HJS2ZFAJIUD6IYXMIYTJLSLKQO.json","view_paper":"https://pith.science/paper/HJS2ZFAJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1206.6551&json=true","fetch_graph":"https://pith.science/api/pith-number/HJS2ZFAJIUD6IYXMIYTJLSLKQO/graph.json","fetch_events":"https://pith.science/api/pith-number/HJS2ZFAJIUD6IYXMIYTJLSLKQO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HJS2ZFAJIUD6IYXMIYTJLSLKQO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HJS2ZFAJIUD6IYXMIYTJLSLKQO/action/storage_attestation","attest_author":"https://pith.science/pith/HJS2ZFAJIUD6IYXMIYTJLSLKQO/action/author_attestation","sign_citation":"https://pith.science/pith/HJS2ZFAJIUD6IYXMIYTJLSLKQO/action/citation_signature","submit_replication":"https://pith.science/pith/HJS2ZFAJIUD6IYXMIYTJLSLKQO/action/replication_record"}},"created_at":"2026-05-18T01:56:41.042820+00:00","updated_at":"2026-05-18T01:56:41.042820+00:00"}