{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:SYCUT4ZKUIAECLBXMYL5TPGBUY","short_pith_number":"pith:SYCUT4ZK","canonical_record":{"source":{"id":"1804.09373","kind":"arxiv","version":8},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-25T06:25:23Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"02207ee188e81ab119c3e4358ef656af6613a7a553ec171eca020893cc999521","abstract_canon_sha256":"fdf8e192310c8aaebeb5ce84f5976c38dbc18d44e7c5ca6e309176e6f4d46828"},"schema_version":"1.0"},"canonical_sha256":"960549f32aa200412c376617d9bcc1a6121c4e1d526fba8f76729da5f04a6b94","source":{"kind":"arxiv","id":"1804.09373","version":8},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.09373","created_at":"2026-05-18T00:03:06Z"},{"alias_kind":"arxiv_version","alias_value":"1804.09373v8","created_at":"2026-05-18T00:03:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.09373","created_at":"2026-05-18T00:03:06Z"},{"alias_kind":"pith_short_12","alias_value":"SYCUT4ZKUIAE","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"SYCUT4ZKUIAECLBX","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"SYCUT4ZK","created_at":"2026-05-18T12:32:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:SYCUT4ZKUIAECLBXMYL5TPGBUY","target":"record","payload":{"canonical_record":{"source":{"id":"1804.09373","kind":"arxiv","version":8},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-25T06:25:23Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"02207ee188e81ab119c3e4358ef656af6613a7a553ec171eca020893cc999521","abstract_canon_sha256":"fdf8e192310c8aaebeb5ce84f5976c38dbc18d44e7c5ca6e309176e6f4d46828"},"schema_version":"1.0"},"canonical_sha256":"960549f32aa200412c376617d9bcc1a6121c4e1d526fba8f76729da5f04a6b94","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:03:06.130106Z","signature_b64":"B07QHZz5yByq+rHWv/s9iI8WavxFX4V2ved9tlN//xK1nYIKyyoL9jmAi3+hhKOl0tgvNcNJKdsqnW+GhCMjBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"960549f32aa200412c376617d9bcc1a6121c4e1d526fba8f76729da5f04a6b94","last_reissued_at":"2026-05-18T00:03:06.129611Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:03:06.129611Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.09373","source_version":8,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:03:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fpyhg1JZqYtaN8h/3y1FGNsi7aMtZKEZ/crM3y8JI1yTSV53HPbqtm5VRl0oNzzbADhYvrz8JiPjZJ78NXrVBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T09:05:29.827046Z"},"content_sha256":"03107fe30e371e1054c0d0cffecaaf23e3075646e1da7d56e2b8d300e4a9b713","schema_version":"1.0","event_id":"sha256:03107fe30e371e1054c0d0cffecaaf23e3075646e1da7d56e2b8d300e4a9b713"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:SYCUT4ZKUIAECLBXMYL5TPGBUY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gaia Data Release 2: Summary of the variability processing & analysis results","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.SR","authors_text":"A.C. Lanzafame, A.F. Lanza, A. Garofalo, A. Kochoska, \\'A.L. Juh\\'asz, A. Moitinho, A. Panahi, A. Pr\\v{s}a, B. Holl, C. Aerts, C. Ordenovic, D. Lorenz, D. Ord\\'o\\~nez, D.W. Evans, E. Distefano, E. Plachy, E. Szegedi-Elek, F. Barblan, F. De Angeli, F. Glass, F. Mignard, G. Busso, G. Clementini, G.Jevardat de Fombelle, G. Marschalk, I. Lecoeur-Ta\\\"ibi, I. Musella, I. Pagano, J. Charnas, J. Cuypers, J. De Ridder, K. Nienartowicz, L. Eyer, L. Moln\\'ar, L.M. Sarro, L. Palaversa, L.P. Guy, L. Rimoldini, L. Szabados, M. Audard, M. Grenon, M. Lopez, M. Marconi, M. Pawlak, M. Riello, M. Roelens, M. S\\\"uveges, N. Mowlavi, O. Marchal, P. Koubsky, R.I. Anderson, R. Molinaro, S. Blanco-Cuaresma, S. Leccia, S. Messina, S. Morgenthaler, S. Regibo, S. Zucker, T. Lebzelter, T. Mazeh, T. Muraveva, V. Ripepi, V. Votruba","submitted_at":"2018-04-25T06:25:23Z","abstract_excerpt":"The Gaia Data Release 2 (DR2): we summarise the processing and results of the identification of variable source candidates of RR Lyrae stars, Cepheids, long period variables (LPVs), rotation modulation (BY Dra-type) stars, delta Scuti & SX Phoenicis stars, and short-timescale variables. In this release we aim to provide useful but not necessarily complete samples of candidates.\n  The processed Gaia data consist of the G, BP, and RP photometry during the first 22 months of operations as well as positions and parallaxes. Various methods from classical statistics, data mining and time series anal"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.09373","kind":"arxiv","version":8},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:03:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y/96NQ70Kq39oRN6K1yOzzKINOtfYauf3v4/cH0s2pgYdbXSp3T8sbjhJp7XZCFuUr3xcLMLAZaRUcK9MjTKDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T09:05:29.827696Z"},"content_sha256":"4e5828b6739ec97d898047e203b3aeb374de18e62f45bc5187228519f79a6285","schema_version":"1.0","event_id":"sha256:4e5828b6739ec97d898047e203b3aeb374de18e62f45bc5187228519f79a6285"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SYCUT4ZKUIAECLBXMYL5TPGBUY/bundle.json","state_url":"https://pith.science/pith/SYCUT4ZKUIAECLBXMYL5TPGBUY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SYCUT4ZKUIAECLBXMYL5TPGBUY/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-28T09:05:29Z","links":{"resolver":"https://pith.science/pith/SYCUT4ZKUIAECLBXMYL5TPGBUY","bundle":"https://pith.science/pith/SYCUT4ZKUIAECLBXMYL5TPGBUY/bundle.json","state":"https://pith.science/pith/SYCUT4ZKUIAECLBXMYL5TPGBUY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SYCUT4ZKUIAECLBXMYL5TPGBUY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:SYCUT4ZKUIAECLBXMYL5TPGBUY","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"fdf8e192310c8aaebeb5ce84f5976c38dbc18d44e7c5ca6e309176e6f4d46828","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-25T06:25:23Z","title_canon_sha256":"02207ee188e81ab119c3e4358ef656af6613a7a553ec171eca020893cc999521"},"schema_version":"1.0","source":{"id":"1804.09373","kind":"arxiv","version":8}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.09373","created_at":"2026-05-18T00:03:06Z"},{"alias_kind":"arxiv_version","alias_value":"1804.09373v8","created_at":"2026-05-18T00:03:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.09373","created_at":"2026-05-18T00:03:06Z"},{"alias_kind":"pith_short_12","alias_value":"SYCUT4ZKUIAE","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"SYCUT4ZKUIAECLBX","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"SYCUT4ZK","created_at":"2026-05-18T12:32:53Z"}],"graph_snapshots":[{"event_id":"sha256:4e5828b6739ec97d898047e203b3aeb374de18e62f45bc5187228519f79a6285","target":"graph","created_at":"2026-05-18T00:03:06Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"The Gaia Data Release 2 (DR2): we summarise the processing and results of the identification of variable source candidates of RR Lyrae stars, Cepheids, long period variables (LPVs), rotation modulation (BY Dra-type) stars, delta Scuti & SX Phoenicis stars, and short-timescale variables. In this release we aim to provide useful but not necessarily complete samples of candidates.\n  The processed Gaia data consist of the G, BP, and RP photometry during the first 22 months of operations as well as positions and parallaxes. Various methods from classical statistics, data mining and time series anal","authors_text":"A.C. Lanzafame, A.F. Lanza, A. Garofalo, A. Kochoska, \\'A.L. Juh\\'asz, A. Moitinho, A. Panahi, A. Pr\\v{s}a, B. Holl, C. Aerts, C. Ordenovic, D. Lorenz, D. Ord\\'o\\~nez, D.W. Evans, E. Distefano, E. Plachy, E. Szegedi-Elek, F. Barblan, F. De Angeli, F. Glass, F. Mignard, G. Busso, G. Clementini, G.Jevardat de Fombelle, G. Marschalk, I. Lecoeur-Ta\\\"ibi, I. Musella, I. Pagano, J. Charnas, J. Cuypers, J. De Ridder, K. Nienartowicz, L. Eyer, L. Moln\\'ar, L.M. Sarro, L. Palaversa, L.P. Guy, L. Rimoldini, L. Szabados, M. Audard, M. Grenon, M. Lopez, M. Marconi, M. Pawlak, M. Riello, M. Roelens, M. S\\\"uveges, N. Mowlavi, O. Marchal, P. Koubsky, R.I. Anderson, R. Molinaro, S. Blanco-Cuaresma, S. Leccia, S. Messina, S. Morgenthaler, S. Regibo, S. Zucker, T. Lebzelter, T. Mazeh, T. Muraveva, V. Ripepi, V. Votruba","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-25T06:25:23Z","title":"Gaia Data Release 2: Summary of the variability processing & analysis results"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.09373","kind":"arxiv","version":8},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:03107fe30e371e1054c0d0cffecaaf23e3075646e1da7d56e2b8d300e4a9b713","target":"record","created_at":"2026-05-18T00:03:06Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"fdf8e192310c8aaebeb5ce84f5976c38dbc18d44e7c5ca6e309176e6f4d46828","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-25T06:25:23Z","title_canon_sha256":"02207ee188e81ab119c3e4358ef656af6613a7a553ec171eca020893cc999521"},"schema_version":"1.0","source":{"id":"1804.09373","kind":"arxiv","version":8}},"canonical_sha256":"960549f32aa200412c376617d9bcc1a6121c4e1d526fba8f76729da5f04a6b94","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"960549f32aa200412c376617d9bcc1a6121c4e1d526fba8f76729da5f04a6b94","first_computed_at":"2026-05-18T00:03:06.129611Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:03:06.129611Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"B07QHZz5yByq+rHWv/s9iI8WavxFX4V2ved9tlN//xK1nYIKyyoL9jmAi3+hhKOl0tgvNcNJKdsqnW+GhCMjBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:03:06.130106Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.09373","source_kind":"arxiv","source_version":8}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:03107fe30e371e1054c0d0cffecaaf23e3075646e1da7d56e2b8d300e4a9b713","sha256:4e5828b6739ec97d898047e203b3aeb374de18e62f45bc5187228519f79a6285"],"state_sha256":"4da2002997fdd7fb034ae691fcdadd59c862d99e9e1afb20137e25c5857bde55"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pwLnX+JC1vV4C4rFLt15cqd64C74+Xh7c/1faD+tfO+YGevwUjWOPGAhazrPke12rQavi/MI7SzwgDWd7sxNAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T09:05:29.830635Z","bundle_sha256":"acf7c01b443adf9165baf1a34170cc2823cf1d33885279e0cca8f8b08f648a1e"}}