{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:PTHAJZYJYDL6RFCFCA77XNDJ5Z","short_pith_number":"pith:PTHAJZYJ","schema_version":"1.0","canonical_sha256":"7cce04e709c0d7e89445103ffbb469ee71b4279c7fa6bd89656b22140916b9d1","source":{"kind":"arxiv","id":"1804.09830","version":1},"attestation_state":"computed","paper":{"title":"Gaia Data Release 2. Calibration and mitigation of electronic offset effects in the data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"C. Allende Prieto, C. Crowley, C. Dolding, C. Fabricius, C. Vetel, D. Katz, E. Masana, F. Chassat, F. De Angeli, F. Fusero, G. Busso, G. Sarri, G. Seabroke, J.F. Pasquier, J.H.J. de Bruijne, J. Martin-Fleitas, L. Corcione, M. Cropper, M. Davidson, M. Riello, M. Smith, N. C. Hambly, N. Cross, N. Rowell, O. Marchal, P. Gare, P. Sartoretti, R. Collins, R. Kohley, S. Baker, S. Boudreault, S. Els, X. Luri","submitted_at":"2018-04-25T22:59:51Z","abstract_excerpt":"The European Space Agency Gaia satellite was launched into orbit around L2 in December 2013. This ambitious mission has strict requirements on residual systematic errors resulting from instrumental corrections in order to meet a design goal of sub-10 microarcsecond astrometry. During the design and build phase of the science instruments, various critical calibrations were studied in detail to ensure that this goal could be met in orbit. In particular, it was determined that the video-chain offsets on the analogue side of the analogue-to-digital conversion electronics exhibited instabilities 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":"1804.09830","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-04-25T22:59:51Z","cross_cats_sorted":[],"title_canon_sha256":"f8f34ff5a24fcf31a461b7e4db137eb256fbfe44cce9a88ff855f68ee19b5d1b","abstract_canon_sha256":"bfff546de5b4a089d3343f675540a6da95fe1ffb9149089b41f314be778a6ad6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:08:07.322546Z","signature_b64":"6uc0yhH3mw4u1yn0ufNEmrQH54XoUgmqb9d4J0AVR02rxH6EbAig2zg/XmvluKkdQj/S0xW5XCTdCuT0MJHxCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7cce04e709c0d7e89445103ffbb469ee71b4279c7fa6bd89656b22140916b9d1","last_reissued_at":"2026-05-18T00:08:07.321954Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:08:07.321954Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Gaia Data Release 2. Calibration and mitigation of electronic offset effects in the data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"C. Allende Prieto, C. Crowley, C. Dolding, C. Fabricius, C. Vetel, D. Katz, E. Masana, F. Chassat, F. De Angeli, F. Fusero, G. Busso, G. Sarri, G. Seabroke, J.F. Pasquier, J.H.J. de Bruijne, J. Martin-Fleitas, L. Corcione, M. Cropper, M. Davidson, M. Riello, M. Smith, N. C. Hambly, N. Cross, N. Rowell, O. Marchal, P. Gare, P. Sartoretti, R. Collins, R. Kohley, S. Baker, S. Boudreault, S. Els, X. Luri","submitted_at":"2018-04-25T22:59:51Z","abstract_excerpt":"The European Space Agency Gaia satellite was launched into orbit around L2 in December 2013. This ambitious mission has strict requirements on residual systematic errors resulting from instrumental corrections in order to meet a design goal of sub-10 microarcsecond astrometry. During the design and build phase of the science instruments, various critical calibrations were studied in detail to ensure that this goal could be met in orbit. In particular, it was determined that the video-chain offsets on the analogue side of the analogue-to-digital conversion electronics exhibited instabilities th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.09830","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":"1804.09830","created_at":"2026-05-18T00:08:07.322037+00:00"},{"alias_kind":"arxiv_version","alias_value":"1804.09830v1","created_at":"2026-05-18T00:08:07.322037+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.09830","created_at":"2026-05-18T00:08:07.322037+00:00"},{"alias_kind":"pith_short_12","alias_value":"PTHAJZYJYDL6","created_at":"2026-05-18T12:32:46.962924+00:00"},{"alias_kind":"pith_short_16","alias_value":"PTHAJZYJYDL6RFCF","created_at":"2026-05-18T12:32:46.962924+00:00"},{"alias_kind":"pith_short_8","alias_value":"PTHAJZYJ","created_at":"2026-05-18T12:32:46.962924+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/PTHAJZYJYDL6RFCFCA77XNDJ5Z","json":"https://pith.science/pith/PTHAJZYJYDL6RFCFCA77XNDJ5Z.json","graph_json":"https://pith.science/api/pith-number/PTHAJZYJYDL6RFCFCA77XNDJ5Z/graph.json","events_json":"https://pith.science/api/pith-number/PTHAJZYJYDL6RFCFCA77XNDJ5Z/events.json","paper":"https://pith.science/paper/PTHAJZYJ"},"agent_actions":{"view_html":"https://pith.science/pith/PTHAJZYJYDL6RFCFCA77XNDJ5Z","download_json":"https://pith.science/pith/PTHAJZYJYDL6RFCFCA77XNDJ5Z.json","view_paper":"https://pith.science/paper/PTHAJZYJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1804.09830&json=true","fetch_graph":"https://pith.science/api/pith-number/PTHAJZYJYDL6RFCFCA77XNDJ5Z/graph.json","fetch_events":"https://pith.science/api/pith-number/PTHAJZYJYDL6RFCFCA77XNDJ5Z/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PTHAJZYJYDL6RFCFCA77XNDJ5Z/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PTHAJZYJYDL6RFCFCA77XNDJ5Z/action/storage_attestation","attest_author":"https://pith.science/pith/PTHAJZYJYDL6RFCFCA77XNDJ5Z/action/author_attestation","sign_citation":"https://pith.science/pith/PTHAJZYJYDL6RFCFCA77XNDJ5Z/action/citation_signature","submit_replication":"https://pith.science/pith/PTHAJZYJYDL6RFCFCA77XNDJ5Z/action/replication_record"}},"created_at":"2026-05-18T00:08:07.322037+00:00","updated_at":"2026-05-18T00:08:07.322037+00:00"}