{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:D4N62IN77Q3GIUM55CJGUNDTW7","short_pith_number":"pith:D4N62IN7","schema_version":"1.0","canonical_sha256":"1f1bed21bffc3664519de8926a3473b7d3854e676eea7f0abceff9db271215f6","source":{"kind":"arxiv","id":"1202.6462","version":1},"attestation_state":"computed","paper":{"title":"Research of the active reflector antenna using laser angle metrology system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Aihua Li, Dehua Yang, Guohua Zhou, Guoping Li, Jie Zhang, Yong Zhang","submitted_at":"2012-02-29T07:21:38Z","abstract_excerpt":"Active reflector is one of the key technologies for constructing large telescopes, especially for the millimeter/sub-millimeter radio telescopes. This article introduces a new efficient laser angle metrology system for the active reflector antenna of the large radio telescopes, with a plenty of active reflector experiments mainly about the detecting precisions and the maintaining of the surface shape in real time, on the 65-meter radio telescope prototype constructed by Nanjing Institute of Astronomical Optics and Technology (NIAOT). The test results indicate that the accuracy of the surface s"},"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":"1202.6462","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-02-29T07:21:38Z","cross_cats_sorted":[],"title_canon_sha256":"31668a2af56b6996b9a28a19d8453993318ca118524f0c7af1f659146af1928c","abstract_canon_sha256":"25d94adf58e8be5fa2a360305f879ac398f47b96b255c56bccf75e773ac4cf20"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:18.407072Z","signature_b64":"kyfsMs594rSaEPFmuBdg4MM2rKBFVHKafi66SCzUpBsoq/GFOzwLZ/hWOAQtAH2OiSL3ILHrPkqkms/NSx2ICA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1f1bed21bffc3664519de8926a3473b7d3854e676eea7f0abceff9db271215f6","last_reissued_at":"2026-05-18T01:58:18.406418Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:18.406418Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Research of the active reflector antenna using laser angle metrology system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Aihua Li, Dehua Yang, Guohua Zhou, Guoping Li, Jie Zhang, Yong Zhang","submitted_at":"2012-02-29T07:21:38Z","abstract_excerpt":"Active reflector is one of the key technologies for constructing large telescopes, especially for the millimeter/sub-millimeter radio telescopes. This article introduces a new efficient laser angle metrology system for the active reflector antenna of the large radio telescopes, with a plenty of active reflector experiments mainly about the detecting precisions and the maintaining of the surface shape in real time, on the 65-meter radio telescope prototype constructed by Nanjing Institute of Astronomical Optics and Technology (NIAOT). The test results indicate that the accuracy of the surface s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.6462","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":"1202.6462","created_at":"2026-05-18T01:58:18.406512+00:00"},{"alias_kind":"arxiv_version","alias_value":"1202.6462v1","created_at":"2026-05-18T01:58:18.406512+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.6462","created_at":"2026-05-18T01:58:18.406512+00:00"},{"alias_kind":"pith_short_12","alias_value":"D4N62IN77Q3G","created_at":"2026-05-18T12:27:01.376967+00:00"},{"alias_kind":"pith_short_16","alias_value":"D4N62IN77Q3GIUM5","created_at":"2026-05-18T12:27:01.376967+00:00"},{"alias_kind":"pith_short_8","alias_value":"D4N62IN7","created_at":"2026-05-18T12:27:01.376967+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/D4N62IN77Q3GIUM55CJGUNDTW7","json":"https://pith.science/pith/D4N62IN77Q3GIUM55CJGUNDTW7.json","graph_json":"https://pith.science/api/pith-number/D4N62IN77Q3GIUM55CJGUNDTW7/graph.json","events_json":"https://pith.science/api/pith-number/D4N62IN77Q3GIUM55CJGUNDTW7/events.json","paper":"https://pith.science/paper/D4N62IN7"},"agent_actions":{"view_html":"https://pith.science/pith/D4N62IN77Q3GIUM55CJGUNDTW7","download_json":"https://pith.science/pith/D4N62IN77Q3GIUM55CJGUNDTW7.json","view_paper":"https://pith.science/paper/D4N62IN7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1202.6462&json=true","fetch_graph":"https://pith.science/api/pith-number/D4N62IN77Q3GIUM55CJGUNDTW7/graph.json","fetch_events":"https://pith.science/api/pith-number/D4N62IN77Q3GIUM55CJGUNDTW7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/D4N62IN77Q3GIUM55CJGUNDTW7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/D4N62IN77Q3GIUM55CJGUNDTW7/action/storage_attestation","attest_author":"https://pith.science/pith/D4N62IN77Q3GIUM55CJGUNDTW7/action/author_attestation","sign_citation":"https://pith.science/pith/D4N62IN77Q3GIUM55CJGUNDTW7/action/citation_signature","submit_replication":"https://pith.science/pith/D4N62IN77Q3GIUM55CJGUNDTW7/action/replication_record"}},"created_at":"2026-05-18T01:58:18.406512+00:00","updated_at":"2026-05-18T01:58:18.406512+00:00"}