{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:IYRMZEUNTTMDT4L6DAFWMLFR6A","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":"72d091dd932823b496cd0530d6fa2ce69a174f937cb1460ec296c0c6efd7ce52","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-09-15T09:37:27Z","title_canon_sha256":"ca690dbc293b51132c8ba1b4d81be34b9658f6d7e328718d820d9336c665d75c"},"schema_version":"1.0","source":{"id":"1809.05683","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.05683","created_at":"2026-05-18T00:05:27Z"},{"alias_kind":"arxiv_version","alias_value":"1809.05683v2","created_at":"2026-05-18T00:05:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.05683","created_at":"2026-05-18T00:05:27Z"},{"alias_kind":"pith_short_12","alias_value":"IYRMZEUNTTMD","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"IYRMZEUNTTMDT4L6","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"IYRMZEUN","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:e5715a0700b0ce50e9ca1e59bfcef1c73954f63761044983345076c3151be6d5","target":"graph","created_at":"2026-05-18T00:05:27Z","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":"Stellar variability from pulsations and granulation presents a source of correlated noise that can impact the accuracy and precision of multi-band photometric transit observations of exoplanets. This can potentially cause biased measurements in the transmission or emission spectrum or underestimation of the final error bars on the spectrum. ARIEL is a future space telescope and instrument designed to perform a transit spectroscopic survey of a large sample of exoplanets. In this paper we perform simulations to assess the impact of stellar variability arising from pulsations and granulation on ","authors_text":"Andreas Papageorgiou, Bart Vandenbussche, Enzo Pascale, Ioannis Argyriou, Subhajit Sarkar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-09-15T09:37:27Z","title":"Stellar pulsation and granulation as noise sources in exoplanet transit spectroscopy in the ARIEL space mission"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.05683","kind":"arxiv","version":2},"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":"sha256:2df57a6e396dbb8bf58e9174c22b3b3e192209a1c3fe91a5fb30557224e1aa32","target":"record","created_at":"2026-05-18T00:05:27Z","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":"72d091dd932823b496cd0530d6fa2ce69a174f937cb1460ec296c0c6efd7ce52","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-09-15T09:37:27Z","title_canon_sha256":"ca690dbc293b51132c8ba1b4d81be34b9658f6d7e328718d820d9336c665d75c"},"schema_version":"1.0","source":{"id":"1809.05683","kind":"arxiv","version":2}},"canonical_sha256":"4622cc928d9cd839f17e180b662cb1f016b3a4e6514e5e3d6ba4e099b12f4369","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4622cc928d9cd839f17e180b662cb1f016b3a4e6514e5e3d6ba4e099b12f4369","first_computed_at":"2026-05-18T00:05:27.449401Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:05:27.449401Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qpc0fU7+DH526iky8TbJ8j3JeFhocB0JGeoXZ0hhcqDbd8fhpomU9loMBvnXaweXg7qeywL7Ur8QfM7H09YUBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:05:27.449977Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.05683","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2df57a6e396dbb8bf58e9174c22b3b3e192209a1c3fe91a5fb30557224e1aa32","sha256:e5715a0700b0ce50e9ca1e59bfcef1c73954f63761044983345076c3151be6d5"],"state_sha256":"10aa0002756491addfc823307d366d3924eba6182369b20c57e10c63a415a3ea"}