{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:PSAMJNIJVU7UKPALD6TKJTLD2Q","short_pith_number":"pith:PSAMJNIJ","schema_version":"1.0","canonical_sha256":"7c80c4b509ad3f453c0b1fa6a4cd63d43b474d4a422d07b2bef5139711f610a5","source":{"kind":"arxiv","id":"1309.2157","version":1},"attestation_state":"computed","paper":{"title":"The Gaia astrophysical parameters inference system (Apsis). Pre-launch description","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.SR"],"primary_cat":"astro-ph.IM","authors_text":"A. Berihuete, A. Bijaoui, A.C. Lanzafame, A. Dapergolas, A.J. Korn, A. Karampelas, A. Lobel, A.-M. Janotto, A. Recio-Blanco, A. Vallenari, B. Arcay, B. Pichon, B. Rocca-Volmerange, C.A.L. Bailer-Jones, C. Carri\\'on, C. Dafonte, C. Gu\\'ed\\'e, Ch. Ordenovic, C. Liu, C. Martayan, C. Soubiran, D. Fustes, D.-W. Kim, E. Kontizas, E. Livanou, F. Th\\'evenin, H. Lindstr{\\o}m, I. Bellas-Velidis, I. Kolka, J. Knude, J. Surdej, J. Zorec, K. Smith, L. Delchambre, L.M. Sarro, M. Garc\\'ia-Torres, M. Kontizas, M. Manteiga, P. de Laverny, P. Drazinos, P. Tsalmantza, R. Andrae, R. Drimmel, R. Sordo, T. Astraatmadja, U. Heiter, Y. Damerdji, Y. Fr\\'emat, Y. Lebreton","submitted_at":"2013-09-09T13:49:27Z","abstract_excerpt":"The Gaia satellite will survey the entire celestial sphere down to 20th magnitude, obtaining astrometry, photometry, and low resolution spectrophotometry on one billion astronomical sources, plus radial velocities for over one hundred million stars. Its main objective is to take a census of the stellar content of our Galaxy, with the goal of revealing its formation and evolution. Gaia's unique feature is the measurement of parallaxes and proper motions with hitherto unparalleled accuracy for many objects. As a survey, the physical properties of most of these objects are unknown. Here we descri"},"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":"1309.2157","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2013-09-09T13:49:27Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"3975db5aa86d010386e5088c6b7e7990073cd08d950b0065ca2ae8e2120e5c25","abstract_canon_sha256":"931ceb1aa46aed72c2b32f2313fe2cb755e5432a7fb7033d427a2c52f00059b0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:47:44.301039Z","signature_b64":"wKy13RpYoWkk6ylMgSJ11kWjR53gMwgkJWZ8UkSbwQiajWl5gKT5huhmx+QoucZmFiiWiDCjREWZJrMeKclwDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7c80c4b509ad3f453c0b1fa6a4cd63d43b474d4a422d07b2bef5139711f610a5","last_reissued_at":"2026-05-18T01:47:44.300490Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:47:44.300490Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Gaia astrophysical parameters inference system (Apsis). Pre-launch description","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.SR"],"primary_cat":"astro-ph.IM","authors_text":"A. Berihuete, A. Bijaoui, A.C. Lanzafame, A. Dapergolas, A.J. Korn, A. Karampelas, A. Lobel, A.-M. Janotto, A. Recio-Blanco, A. Vallenari, B. Arcay, B. Pichon, B. Rocca-Volmerange, C.A.L. Bailer-Jones, C. Carri\\'on, C. Dafonte, C. Gu\\'ed\\'e, Ch. Ordenovic, C. Liu, C. Martayan, C. Soubiran, D. Fustes, D.-W. Kim, E. Kontizas, E. Livanou, F. Th\\'evenin, H. Lindstr{\\o}m, I. Bellas-Velidis, I. Kolka, J. Knude, J. Surdej, J. Zorec, K. Smith, L. Delchambre, L.M. Sarro, M. Garc\\'ia-Torres, M. Kontizas, M. Manteiga, P. de Laverny, P. Drazinos, P. Tsalmantza, R. Andrae, R. Drimmel, R. Sordo, T. Astraatmadja, U. Heiter, Y. Damerdji, Y. Fr\\'emat, Y. Lebreton","submitted_at":"2013-09-09T13:49:27Z","abstract_excerpt":"The Gaia satellite will survey the entire celestial sphere down to 20th magnitude, obtaining astrometry, photometry, and low resolution spectrophotometry on one billion astronomical sources, plus radial velocities for over one hundred million stars. Its main objective is to take a census of the stellar content of our Galaxy, with the goal of revealing its formation and evolution. Gaia's unique feature is the measurement of parallaxes and proper motions with hitherto unparalleled accuracy for many objects. As a survey, the physical properties of most of these objects are unknown. Here we descri"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.2157","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":"1309.2157","created_at":"2026-05-18T01:47:44.300593+00:00"},{"alias_kind":"arxiv_version","alias_value":"1309.2157v1","created_at":"2026-05-18T01:47:44.300593+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.2157","created_at":"2026-05-18T01:47:44.300593+00:00"},{"alias_kind":"pith_short_12","alias_value":"PSAMJNIJVU7U","created_at":"2026-05-18T12:27:57.521954+00:00"},{"alias_kind":"pith_short_16","alias_value":"PSAMJNIJVU7UKPAL","created_at":"2026-05-18T12:27:57.521954+00:00"},{"alias_kind":"pith_short_8","alias_value":"PSAMJNIJ","created_at":"2026-05-18T12:27:57.521954+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2605.23018","citing_title":"Gaia Exoplanet Orbits, Demographics, and Evolution Survey (GEODES): Characteristics of Three Long-Period Companions Accelerating their Host Stars","ref_index":15,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/PSAMJNIJVU7UKPALD6TKJTLD2Q","json":"https://pith.science/pith/PSAMJNIJVU7UKPALD6TKJTLD2Q.json","graph_json":"https://pith.science/api/pith-number/PSAMJNIJVU7UKPALD6TKJTLD2Q/graph.json","events_json":"https://pith.science/api/pith-number/PSAMJNIJVU7UKPALD6TKJTLD2Q/events.json","paper":"https://pith.science/paper/PSAMJNIJ"},"agent_actions":{"view_html":"https://pith.science/pith/PSAMJNIJVU7UKPALD6TKJTLD2Q","download_json":"https://pith.science/pith/PSAMJNIJVU7UKPALD6TKJTLD2Q.json","view_paper":"https://pith.science/paper/PSAMJNIJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1309.2157&json=true","fetch_graph":"https://pith.science/api/pith-number/PSAMJNIJVU7UKPALD6TKJTLD2Q/graph.json","fetch_events":"https://pith.science/api/pith-number/PSAMJNIJVU7UKPALD6TKJTLD2Q/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PSAMJNIJVU7UKPALD6TKJTLD2Q/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PSAMJNIJVU7UKPALD6TKJTLD2Q/action/storage_attestation","attest_author":"https://pith.science/pith/PSAMJNIJVU7UKPALD6TKJTLD2Q/action/author_attestation","sign_citation":"https://pith.science/pith/PSAMJNIJVU7UKPALD6TKJTLD2Q/action/citation_signature","submit_replication":"https://pith.science/pith/PSAMJNIJVU7UKPALD6TKJTLD2Q/action/replication_record"}},"created_at":"2026-05-18T01:47:44.300593+00:00","updated_at":"2026-05-18T01:47:44.300593+00:00"}