{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:MMGIKF6QOSPAMQIU6ODVQA52J7","short_pith_number":"pith:MMGIKF6Q","schema_version":"1.0","canonical_sha256":"630c8517d0749e064114f3875803ba4fe5816b1604c1ad62c51ec9040c2f7ca8","source":{"kind":"arxiv","id":"1807.00715","version":1},"attestation_state":"computed","paper":{"title":"Scalable Platform for Adaptive optics Real-time Control (SPARC) Part 2: Field Programmable Gate Array (FPGA) implementation and performance","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"A. N. Ramaprakash, Avinash Surendran, Mahesh P. Burse, Padmakar S. Parihar","submitted_at":"2018-07-02T14:44:31Z","abstract_excerpt":"The next generation of Adaptive Optics (AO) systems on large telescopes will require immense computation performance and memory bandwidth, both of which are challenging with the technology available today. The objective of this work is to create a future-proof adaptive optics platform on an FPGA architecture, which scales with the number of subapertures, pixels per subaperture and external memory. We have created a scalable adaptive optics platform with an off-the-shelf FPGA development board, which provides an AO reconstruction time only limited by the external memory bandwidth. SPARC uses th"},"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":"1807.00715","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-07-02T14:44:31Z","cross_cats_sorted":[],"title_canon_sha256":"1ee5d291aefd7cb0201f34b7d080bcb2cc7eb8403e8a267b95af38575e939777","abstract_canon_sha256":"be79a297f253a2f8e14dc9423e126ec2d6efac5d9ae1038a4494184b13c0e3fe"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:09:05.365031Z","signature_b64":"EpopU5MlJ0hs/i22XYgfgLGbxgIBVq8z5eKfAEueLtX34vmdEyNCiOJ1UY7xDMZag10Yf1NklBIiiLLl2nZwCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"630c8517d0749e064114f3875803ba4fe5816b1604c1ad62c51ec9040c2f7ca8","last_reissued_at":"2026-05-18T00:09:05.364331Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:09:05.364331Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Scalable Platform for Adaptive optics Real-time Control (SPARC) Part 2: Field Programmable Gate Array (FPGA) implementation and performance","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"A. N. Ramaprakash, Avinash Surendran, Mahesh P. Burse, Padmakar S. Parihar","submitted_at":"2018-07-02T14:44:31Z","abstract_excerpt":"The next generation of Adaptive Optics (AO) systems on large telescopes will require immense computation performance and memory bandwidth, both of which are challenging with the technology available today. The objective of this work is to create a future-proof adaptive optics platform on an FPGA architecture, which scales with the number of subapertures, pixels per subaperture and external memory. We have created a scalable adaptive optics platform with an off-the-shelf FPGA development board, which provides an AO reconstruction time only limited by the external memory bandwidth. SPARC uses th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.00715","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":"1807.00715","created_at":"2026-05-18T00:09:05.364448+00:00"},{"alias_kind":"arxiv_version","alias_value":"1807.00715v1","created_at":"2026-05-18T00:09:05.364448+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.00715","created_at":"2026-05-18T00:09:05.364448+00:00"},{"alias_kind":"pith_short_12","alias_value":"MMGIKF6QOSPA","created_at":"2026-05-18T12:32:37.024351+00:00"},{"alias_kind":"pith_short_16","alias_value":"MMGIKF6QOSPAMQIU","created_at":"2026-05-18T12:32:37.024351+00:00"},{"alias_kind":"pith_short_8","alias_value":"MMGIKF6Q","created_at":"2026-05-18T12:32:37.024351+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/MMGIKF6QOSPAMQIU6ODVQA52J7","json":"https://pith.science/pith/MMGIKF6QOSPAMQIU6ODVQA52J7.json","graph_json":"https://pith.science/api/pith-number/MMGIKF6QOSPAMQIU6ODVQA52J7/graph.json","events_json":"https://pith.science/api/pith-number/MMGIKF6QOSPAMQIU6ODVQA52J7/events.json","paper":"https://pith.science/paper/MMGIKF6Q"},"agent_actions":{"view_html":"https://pith.science/pith/MMGIKF6QOSPAMQIU6ODVQA52J7","download_json":"https://pith.science/pith/MMGIKF6QOSPAMQIU6ODVQA52J7.json","view_paper":"https://pith.science/paper/MMGIKF6Q","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1807.00715&json=true","fetch_graph":"https://pith.science/api/pith-number/MMGIKF6QOSPAMQIU6ODVQA52J7/graph.json","fetch_events":"https://pith.science/api/pith-number/MMGIKF6QOSPAMQIU6ODVQA52J7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MMGIKF6QOSPAMQIU6ODVQA52J7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MMGIKF6QOSPAMQIU6ODVQA52J7/action/storage_attestation","attest_author":"https://pith.science/pith/MMGIKF6QOSPAMQIU6ODVQA52J7/action/author_attestation","sign_citation":"https://pith.science/pith/MMGIKF6QOSPAMQIU6ODVQA52J7/action/citation_signature","submit_replication":"https://pith.science/pith/MMGIKF6QOSPAMQIU6ODVQA52J7/action/replication_record"}},"created_at":"2026-05-18T00:09:05.364448+00:00","updated_at":"2026-05-18T00:09:05.364448+00:00"}