{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:SKR7MWT66IR4PQQOP3PL2IWK7Y","short_pith_number":"pith:SKR7MWT6","schema_version":"1.0","canonical_sha256":"92a3f65a7ef223c7c20e7edebd22cafe34675ec2c4a2613ceb73464e683f6301","source":{"kind":"arxiv","id":"1108.5426","version":1},"attestation_state":"computed","paper":{"title":"An Axi-Symmetric Segmented Composite SKA Dish Design: Performance and Production Analysis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"A. van Ardenne, J. Dekker, J.G. Bij de Vaate, M. Arts, M.V. Ivashina, O.A. Iupikov, R. Bakker","submitted_at":"2011-08-27T07:39:35Z","abstract_excerpt":"A concept of an axi-symmetric dish as antenna reflector for the next generation radio telescope - the Square Kilometre Array (SKA) - is presented. The reflector is based on the use of novel thermoplastic composite material (reinforced with carbon fibre) in the context of the telescope design with wide band single pixel feeds. The baseline of this design represents an array of 100's to 1000's reflector antennas of 15-m diameter and covers frequencies from <1 to 10 GHz. The purpose of our study is the analysis of the production cost of the dish and its performance in combination with a realistic"},"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":"1108.5426","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-08-27T07:39:35Z","cross_cats_sorted":[],"title_canon_sha256":"c70c28d28e4cea2b94fb5960f602c2a72adc8697908d4c8b5ddca5c6f792ddb1","abstract_canon_sha256":"ba4f268df8884c78968b0c86d49559f2ac478bdc4dab1fb8d6627e774e7bf4a0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:14:37.531488Z","signature_b64":"Sn8rr14vmAkvQX9erC/gXIbbLHiVQA5slBRouwGfUM51BbkLbYh35BnUcvvjprtbl1JqswFGerkb3KASHdZaCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"92a3f65a7ef223c7c20e7edebd22cafe34675ec2c4a2613ceb73464e683f6301","last_reissued_at":"2026-05-18T04:14:37.531008Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:14:37.531008Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"An Axi-Symmetric Segmented Composite SKA Dish Design: Performance and Production Analysis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"A. van Ardenne, J. Dekker, J.G. Bij de Vaate, M. Arts, M.V. Ivashina, O.A. Iupikov, R. Bakker","submitted_at":"2011-08-27T07:39:35Z","abstract_excerpt":"A concept of an axi-symmetric dish as antenna reflector for the next generation radio telescope - the Square Kilometre Array (SKA) - is presented. The reflector is based on the use of novel thermoplastic composite material (reinforced with carbon fibre) in the context of the telescope design with wide band single pixel feeds. The baseline of this design represents an array of 100's to 1000's reflector antennas of 15-m diameter and covers frequencies from <1 to 10 GHz. The purpose of our study is the analysis of the production cost of the dish and its performance in combination with a realistic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.5426","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":"1108.5426","created_at":"2026-05-18T04:14:37.531090+00:00"},{"alias_kind":"arxiv_version","alias_value":"1108.5426v1","created_at":"2026-05-18T04:14:37.531090+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.5426","created_at":"2026-05-18T04:14:37.531090+00:00"},{"alias_kind":"pith_short_12","alias_value":"SKR7MWT66IR4","created_at":"2026-05-18T12:26:41.206345+00:00"},{"alias_kind":"pith_short_16","alias_value":"SKR7MWT66IR4PQQO","created_at":"2026-05-18T12:26:41.206345+00:00"},{"alias_kind":"pith_short_8","alias_value":"SKR7MWT6","created_at":"2026-05-18T12:26:41.206345+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/SKR7MWT66IR4PQQOP3PL2IWK7Y","json":"https://pith.science/pith/SKR7MWT66IR4PQQOP3PL2IWK7Y.json","graph_json":"https://pith.science/api/pith-number/SKR7MWT66IR4PQQOP3PL2IWK7Y/graph.json","events_json":"https://pith.science/api/pith-number/SKR7MWT66IR4PQQOP3PL2IWK7Y/events.json","paper":"https://pith.science/paper/SKR7MWT6"},"agent_actions":{"view_html":"https://pith.science/pith/SKR7MWT66IR4PQQOP3PL2IWK7Y","download_json":"https://pith.science/pith/SKR7MWT66IR4PQQOP3PL2IWK7Y.json","view_paper":"https://pith.science/paper/SKR7MWT6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1108.5426&json=true","fetch_graph":"https://pith.science/api/pith-number/SKR7MWT66IR4PQQOP3PL2IWK7Y/graph.json","fetch_events":"https://pith.science/api/pith-number/SKR7MWT66IR4PQQOP3PL2IWK7Y/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SKR7MWT66IR4PQQOP3PL2IWK7Y/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SKR7MWT66IR4PQQOP3PL2IWK7Y/action/storage_attestation","attest_author":"https://pith.science/pith/SKR7MWT66IR4PQQOP3PL2IWK7Y/action/author_attestation","sign_citation":"https://pith.science/pith/SKR7MWT66IR4PQQOP3PL2IWK7Y/action/citation_signature","submit_replication":"https://pith.science/pith/SKR7MWT66IR4PQQOP3PL2IWK7Y/action/replication_record"}},"created_at":"2026-05-18T04:14:37.531090+00:00","updated_at":"2026-05-18T04:14:37.531090+00:00"}